baber/WOPTO huggingface dataset:
Patent GB-1077656-A (GB)
Title: Improvements in or relating to semiconductor devices
Inventor: FISHMAN DENIS
IPC: H01L23/48
Filed: 1964-10-23
Abstract: 1,077,656. Semi-conductor device. STANDARD TELEPHONES & CABLES Ltd. Oct. 23, 1964, No. 43310/64. Heading H1K. Pressure contacts between the component parts of a semi-conductor device are made by inserting a metal foil between the contacting surfaces of the parts, heating the device in vacuo, applying and maintaining a pressure across the surfaces and allowing the device to cool. A semi-conductor body (1) of Si or Ge has two supporting discs (2) of material of corresponding thermal expansion, e,g. W or Mo, joined thereto by solder (3). The semiconductor may have P and/or N-type layers therein or these layers may be introduced by the solder. The lower supporting disc rests on a copper sink 6 but has interposed therebetween a metal foil (9) of low ductility, e.g. Ag. Above the upper supporting disc is another metal foil (7) and a copper electrode 4 having a connecting lead 5 bonded thereto. An insulating sleeve 13 is placed over lead 5 together with retaining washers 11 and 12 and spring washers 10. A screw-threaded collar 14 having holes for lugs 22 in its upper surface is mounted above the washers. The mounting apparatus is pumped out at 20 and heat applied by hotplate 16, a ram 19 is used to give a predetermined pressure on the semi-conductor device. The cap 17 is then rotated and its lugs 22 rotate the collar 14 which tightens down on to the washer 12. The pressurized semi-conductor assembly may then be hermetically sealed in another housing. The contacts between the supporting discs and the semi-conductor body may also be made the same way instead of soldering. An ordinary spring may be used in place of the spring washers. The device is allowed to cool in N 2  and then hermetically sealed in a second housing.
Patent GB-1070186-A (GB)
Title: Loudspeaker enclosure
IPC: H04R1/28
Filed: 1964-10-23
Abstract: 1,070,186. Loud-speakers. SONY CORPORATION. Oct. 23, 1964 [Oct. 25, 1963], No. 43342/64. Headings H4J and H4X. A loud-speaker enclosure has front, side and rear walls and a mounting position for a loudspeaker on the front wall. A side wall has at least a portion thereof formed as a subdiaphragm having a mechanical resonance corresponding to a portion of the frequency spectrum for which emphasis is desired. An enclosure 1, Figs. 1, 2, has front and rear panels 2, 3 formed of relatively rigid polyvinyl chloride plates and its four side walls 4, 5, 6 etc., formed as sub-diaphragm panels of polyvinyl chloride, polyethylene foam or propylene in the form of membranes. An air-tight casing is provided when the loudspeaker 9 is mounted on the panel 2. Each sub-diaphragm is damped by a coating of synthetic rubber adhesive. The front and rear panels 2, 3 are secured together by cross-bars 13 and a polyurethane elastic member (14), Fig. 5a (not shown), is centrally located between each sub-diaphragm and its adjacent cross-bar 13. Glass fibre (15) covers the rear panel 3. Sound waves produced by the sub-diaphragms have a velocity at right angles to the principal axis of the loud-speaker, see Fig. 1, and reinforce the response of the system. The sub-daphragms have resonance peaks of low sharpness, at approximately 500 c/s., and are utilized to give an overall system response which is relatively uniform to below 200c/s. when using an enclosure of 13 cm. x 13 cm. x 8 cm. The enclosure may be mounted in the corner of a room, but the best low frequency response is obtained by placing the rear of the enclosure against a first wall close to a corner so that one sub-diaphragm is spaced from but close to a wall adjacent the first wall. An alternative enclosure (Fig. 10, not shown) has relatively rigid side walls (26) which contain drone cones (22, 23, 24, 25) having a natural resonant frequency of about 500 c/s. In other arrangements (Figs. 11, 12, not shown) the front and rear walls are relatively rigid and the connecting wall (27) forms a sub-diaphragm which is circular or elliptical in cross-section.
Patent GB-1157791-A (GB)
Title: Improvements in Web Rewinding Machines
Inventor: BREACKER EDWARD ALBERT
IPC: B65H67/04
Filed: 1965-10-13
Abstract: 1,157,791. Winding webs. CHAMBON Ltd. 13 Oct., 1966 [13 Oct., 1965], No. 43437/65. Heading B8R. In a turret web winding machine, hollow web-roll cores 10 are gripped between three pairs of axially movable mandrels 16. One. mandrel of each pair is continuously driven by a sun gear (46) meshing with a planet gear (45, Fig. 2). The sun gear (46) is driven via a twoplate friction clutch (47) and gear (52) from a motor (not illustrated). An empty core 10 is delivered by gravity to recesses 12 in a pair of discs B mounted on a shaft 14. Rotation of the turret 20 through 120 degrees, rotates via gearing (73-76, Fig. 3), the shaft 14 to deliver an empty core to the core receiving station 15. Further rotation of the turret moves the empty core away from the station 15 and into contact with an adhesive applying roller 21 mounted in a trough of adhesive 32. When the empty core arrives at the web receiving station 22, the web is still being wound on to the previous core at the release station 23. When the required diameter of web-roll is achieved, the web is cut-off by a knife 33 and the leading end of the cut web is pressed against the empty core at station 22 by a roller 34. Each of the mandrels (16, Fig. 2) has an annular groove (57) at its outer end, and when a mandrel is at either the core receiving station 15 or the release station 23, it is operatively connected to a solenoid (61 or 62) by rollers (58) attached inside the arms of a C-shaped member (60). The mandrels are each retained in either the withdrawn outward or inward positions by a spring-loaded ball (64) which engages in either of two axially spaced detents (65 and 66). To increase the grip of the mandrels 16 on the core 10 whilst web winding takes place, a ball (67) on each mandrel comes into contact with a cam plate (68, Fig. 3) when at the web receiving station 22 so that the mandrel is displaced slightly inwards. The increase in grip is released when the mandrel arrives at the core release station 23 when the ball (67) carries off the cam plate (68). The turret 20 is retained in its three positions by a detent (70, Fig. 3) against the tension of the incoming web tending to rotate it backwards.
Patent GB-1148236-A (GB)
Title: Textile spinning or twisting ring
IPC: D01H7/60
Filed: 1967-09-25
Abstract: 1,148,236. Two part spinning or twisting ring. SFB SCHWAEBISCHE FORMDREHTEILE G.m.b.H. 25 Sept., 1967 [13 Oct., 1966], No. 43525/67. Heading D1D. A spinning or twisting ring consists of an upper part 1 of sheet metal detachably coupled to a lower part 2, the upper part having a ring flange 7, a cylindrical web 6 and an enlarged shoulder 9 which has an inside width which corresponds to the outside diameter of the lower part. Raised portions 12 may be provided inside the upper part to resiliently engage in recesses in the outer surface of the lower part The lower part may be a worn standard spinning ring having a ring flange 10, or may be a circular cylinder (Fig. 2).
Patent GB-1359624-A (GB)
Title: Electric alarm watch
IPC: G10K9/122
Filed: 1972-09-21
Abstract: 1359624 Alarm watch TIMEX CORP 21 Sept 1972 [29 Sept 1971] 43839/72 Heading G3T An alarm wrist watch has an electrically activated Piezo-electric resonator arranged to vibrate a portion of the watch to produce an audible alarm. The resonator may be a Piezo-electric ceramic vibrating in the X, Y or X-Y mode formed as a coating on the watch dial or crystal, or, as shown, forming at least part of a crystal mounting ring 21, to vibrate the crystal 18, and secured to the watch case 22 by elastic e.g. rubber ring 23. The resonator may be energized using an electronic or mechanical switch that closes at a preset time to connect a battery to an oscillator that drives the resonator via a voltage multiplier or transformer.
Patent GB-1125490-A (GB)
Title: Steering wheels
Inventor: SHWARTZBERG SHALOM
IPC: B62D1/11
Filed: 1966-10-01
Abstract: 1,125,490. Steering wheels for motor vehicles. FORD MOTOR CO. Ltd. 1 Oct., 1966, No. 43961/66. Heading B7J. A steering wheel for a motor vehicle comprises a rim 11 of steel tube (of the section shown in Fig. 3) covered by a layer 15 of cellulose-acetatebutyrate plastics. Indentations 12 being formed in the back surface of the rim 11 to provide finger grips. Two spokes 13, (14) also covered by the plastics layer, are formed by a single steel pressing and have a U-section, the depth of which decreases at the outer ends of the spokes so that they are flat when welded to the back of the rim 11. The hub 16 of the wheel is part of the same pressing as the spokes and is welded to a collapsible, energy absorbent corrugated structure 21 mounted on the upper end of the steering column (not shown). A pad 17 of energy absorbent material is supported on a steel pressing 18 secured by two bolts 19 (only one shown) to the spokes 13, (14).
Patent GB-1059358-A (GB)
Title: Rotary piston engines
IPC: F01C19/04
Filed: 1963-11-08
Abstract: 1, 059, 358. Rotary-piston engines and pumps. BIURO KONSTRUKCYJNE PRZEMYSLU MOTORYZACYJNEGO. Nov. 8, 1963 [Nov. 8, 1962], No.44229/63. Heading F1F. In a rotary-piston I. C. engine, pump or compressor of the n and n + 1 lobe type a plurality of radially-movable segments (4), Fig. 1 (not shown), lodged in the peripheral wall of the engine casing or body structure are pressed against the piston (3) by the pressure of working fluid transmitted from the working spaces between the piston and said wall to a plurality of spaces (11a, 11b, 11c) behind each segment through a corresponding number of individual passages (9a, 9b, 9c) in the end walls of said casing, the segments being supported by tubular carriers (7) through which cooling medium flows to a cavity (15) in each segment. The said spaces are separated from one another by partitions (12) situated in a fixed wall (5a). Sealing at the ends of each segment is effected by pairs of T-shaped members (21a, 21b), Figs. 2 and 5 (not shown), which are pressed apart by springs (23). The carriers (7) are sealed relative to said casing by flexible diaphragms (14). Alternatively, each of the passages (9a, 9b, 9c) contains a plunger (18), Fig. 4 (not shown), or a diaphragm, and is filled with a hydraulic medium by which pressure is transmitted to the spaces (11a, 11b, 11c). When the engine comprises two units, it may be further modified or improved in that each transfer passage (28), Fig. 6 (not shown) between the units is defined by a sleeve (26) lodged in a hole (27) which is sealed at one end by a resilient ring (29) which presses the sleeve against the side face of the piston -in one or other of the units.
Patent GB-1332227-A (GB)
Title: Electronic flash unit
IPC: G03B15/05
Filed: 1971-09-24
Abstract: 1332227 Electronic flash units PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 24 Sept 1971 [29 Sept 1970] 44663/71 Heading G2A An electronic flash unit includes a rectangular parallelopipedic housing 1 and a reflector 3 rotatable about an axis 4 which lies along one edge of the housing. The reflector 3 can be fixedly positioned in at least two positions, one of which is such that the reflector is contained in a cavity 8 of the housing. The longitudinal axis of the flash tube may be parallel to the axis 4, or perpendicular thereto. The housing may contain a photo-sensitive element operable to extinguish the tube when sufficient light has fallen on the subject.
Patent GB-1063816-A (GB)
Title: 10-a-methyl steroids
IPC: C07J1/00
Filed: 1964-11-04
Abstract: The invention comprises (a) a process for preparing 10a -methyl-steroids of the androstane and pregnane series by catalytic hydrogenation of a 10a -methyl-D 9(11) steroid, followed if desired by insertion of a 4(5)-double bond by (i) dehydration of a 5-hydroxy product, in which a 7-halogen atom may also be converted to a D 6 double bond, (ii) dehydrogenation, (iii) halogenation and dehydrohalogenation, which latter may also insert a D 1 double bond, or by hydrolysis of a 17-ester, in all of which keto groups may be protected or, if reduced, reobtained by oxidation, (b) products of formula <FORM:1063816/C2/1> wherein X is a hydrogen or halogen atom or a C1- 7 alkyl group, Y is a hydrogen atom or a C1- 7 alkyl group, and D is a group <FORM:1063816/C2/2> wherein R1 is a free or esterified hydroxy group and R2 is a hydrogen atom or a C1- 7 alkyl group or R1 and R2 combined form an oxygen atom, R3 is a hydrogen or halogen atom or a free or esterified hydroxy group and R4 is a hydrogen or halogen atom or a C1- 7 alkyl, hydroxy or esterified hydroxy group, (c) the products 10a -androstane-3, 17-diones, 17a -ethyl-10a -androstan-17b -ol-3-ones, and 10a -pregnane-3, 20-diones, wherein the 5- and 9-hydrogen atoms may have a - or b -configuration, and (d) starting materials of formulae <FORM:1063816/C2/3> wherein X, Y and D are as hereinbefore defined, and their preparation by condensation of a des-A -androst- or pregn-9-en-5-one with an alkyl vinyl ketone of formula CH2 = CHCOCH2Y, wherein Y is hereinbefore defined, or with various specified haloalkenes, haloalkanones or ketals thereof, haloalkanols or ethers or esters thereof, or dialkylaminoalkanones or quaternary salts thereof, followed if desired by (I) hydrolysis of functionally converted hydroxy and keto groups, (II) oxidation of a 3-hydroxy group to a 3-keto group, (III) insertion of a D 4 double bond by dehydration of a 5-ol, or (IV) reduction of a D 4 double bond.  The compounds of the invention have anabolic, progestational and salt-retaining activity.  Reference has been directed by the Comptroller to Specifications 929,271 and 929,272.
Patent GB-1440984-A (GB)
Title: Marine propulsion system
IPC: B63H23/30
Filed: 1973-09-26
Abstract: 1440984 Marine propulsion ZAHNRADER FABRIK RENK AG 26 Sept 1973 [29 Sept 1972] 45130/73 Heading B7V [Also in Division F2] In a marine propulsion system having a diesel engine 102, Fig 4, which drives shaft 1 of Fig. 1, hydrodynamic coupling 2, 5, 6 is connected at the output side of the engine and clutch sleeve 15 bridges the coupling to driven shaft 8. The clutch includes a safety device, which in the embodiment shown is helical screw coupling 3, 16, and which, when the clutch is engaged and transmitting torque from the diesel engine, does not affect the operation of the clutch but when torque is being transmitted to the engine by the clutch effects disengagement of the clutch when a limit torque in the region of the idling braking torque of the diesel engine is exceeded.
Patent GB-1184747-A (GB)
Title: Improvements in or relating to apparatus for the Pneumatic Feeding of Fibres
IPC: D01G23/02
Filed: 1968-09-25
Abstract: 1,184,747. Pneumatic feeding of fibres. H. TRUTZSCHLER and H. TRUTZSCHLER. 25 Sept., 1968 [28 Sept., 1967], No. 45522/68. Heading DIN. A pneumatic feeding apparatus comprises a chute 1 opening into a pneumatic feed duct 6 which is provided upstream of the chute with a blower 7 and downstream with a second chute 8 leading into a textile machine 17. Air outlet apertures 9, 10 of the chute 8 are connected to the suction side of the blower 7. The bottom opening of first chute 1 is occupied by a pinned roll 5 above which are mounted two pairs of feed rolls 3, 4 whose drive is controlled by photo-electric cell 15 such as to ensure that a desired quantity of fibres is present in chute 8. A photo electric cell 2 controls the height of the column of fibres in chute 1. Photoelectric cell 15 may be replaced, by a pressure sensitive switch.
Patent GB-1062558-A (GB)
Title: Machine tool controlled by a template
Inventor: WEAVER PAUL JOSEPH
IPC: B23Q35/46
Filed: 1964-11-09
Abstract: 1,062,558. Copying lathes; machine beds and frames. TRUE-TRACE CORPORATION. Nov. 9, 1964, No. 45660/64. Headings B3B and B3T. A template controlled machine tool such as a lathe (10), Figs. 1-3 (not shown) comprises a pair of superposed slides (19), (20) mounted on the machine frame for longitudinal and transverse movement respectively. The slides (19) and (20) are actuated by hydraulic motors (21) and (22), respectively, which are controlled by a tracer valve 18 carried on an arbor 12 on the machine frame. The upper slide (20) carries templates (42) to (46) each with an associated cutting tool in holders (49) to (52). In operation, the templates are successively brought into co-operation with the tracer stylus (37) which follows the template contour and operates the tracer valve (18) which controls the movement of the slides and in consequence the movement of the cutting tools. In an alternative embodiment. Figs. 6 and 7 (not shown), the templates and tools are mounted on an indexable turret on the uppermost slide.
Patent GB-1437382-A (GB)
Title: Process for the manufacture of profiled bars or wire rod
IPC: B22D11/124
Filed: 1973-10-01
Abstract: 1437382 Making wire rod; continuous casting METALLURGIE HOBOKEN - OVERPELT 1 Oct 1973 [17 Oct 1972] 45765/73 Headings B3A and B3F Profiled bar or wire rod is made continuously, e.g. of copper, by continuously casting a strand with a molten core and cooling it by direct contact with coolant outside the mould to complete solidification and reduce its temperature to a value to allow machining after which it is heated before it is rolled to the required profile; the cooling before the machining takes place in at least two zones of intensive cooling, each followed by a zone of less or no cooling to make the temperature throughout the cross-section uniform. If the strand is rectangular in section, its corners are removed by four rotating milling cutters to produce an octagonal section and, after chips are brushed away, the workpiece is reheated and rolled to produce wire rod.
Patent GB-1393185-A (GB)
Title: Control method and apparatus for the production of pwder metal
IPC: B22F9/10
Filed: 1973-10-02
Abstract: 1393185 Arc furnace SPECIAL METALS CORP 2 Oct 1973 [3 Oct 1972] 45995/73 Heading H5H [Also in Division C7] In the production of alloy powders, at least one electrode of the desired composition is melted, and subsequently atomized (see Division C7). In the preferred embodiment, an arc is struck between two consumable electrodes 12, 13 the molten metal collecting in a heated tundish 10. The chamber 18, tundish 10 and electrodes 12, 13 are in a vacuum or a non-oxidizing atmosphere. The gap between the electrodes is kept constant by hydraulic drives 36, 37, activated by an electrode position control 39, and the electrodes are oscillated or rotated in opposite directions by motors 69, 70. The polarity is periodically reversed by switch 71. In other embodiments (Figs. 1, 2, not shown), only one electrode is used, and the arc is struck between the electrode and a water-cooled stool, the molten metal passing either to a heated tundish as in Fig. 3, or directly to a heated nozzle.
Patent GB-1528079-A (GB)
Title: Boilers
IPC: F24H1/44
Filed: 1976-11-05
Abstract: 1528079 Boilers; cleaning flues K G MALMSTROM 5 Nov 1976 [3 Dec 1975 4 Feb 1976] 46046/76 Headings F4A and F4B In a boiler of the type having a combustion chamber 5 supplied with flue gases from a burner 4 to a convection chamber 6 with convection surfaces, the convection chamber is partially enclosed by walls 3<SP>1</SP> which form a water-tight container, one of the walls separating the convection chamber from the combustion chamber 5, the walls extending at least to the upper portion of the convection chamber 6, filling means 16 being arranged to permit the container to be filled with water for dissolving soot and other deposits on the convection surfaces so as to clean the surfaces. The contaminated water from the container is removed through an outlet pipe 19 controlled by a valve 18. An electrode 21 may be arranged in contact with the liquid in the container and a source of D.C. voltage is connected between the electrode and a wall of the boiler and convection enclosure to prevent boiler corrosion.
Patent GB-975636-A (GB)
Title: Impression control for typewriter
IPC: B41J11/20
Filed: 1961-12-27
Abstract: 975,636. Typewriters. SPERRY RAND CORPORATION. Dec. 27, 1961 [Dec. 27, 1960], No. 46301/61. Heading B6F. The space S between the type guide 44 and the platen 14 is adjustable to accommodate a variable number of papers and so that impact impression on the top copy is constant. The adjustment is made by a detented dial 43 rotating on an eccentric 29 which slides the platen carriage bearing 10 backwards and forwards on flexible mounts 21. Specification 688,289 is referred to.
Patent GB-1022640-A (GB)
Title: Centrifugal and centripetal pumps
Inventor: CHAMBERS ARNOLD
IPC: F04D7/04
Filed: 1962-12-08
Abstract: 1,022,640. Centrifugal and centipetal pumps. KRECO DEVELOPMENTS Ltd. Dec. 4, 1963 [Dec. 8, 1962], No. 46396/62. Heading F1C. In the inward-flow pump shown, having an inlet port 13 and a discharge port 12, each impeller blade 19 is hardened and extends from the vicinity of the impeller hub 18 in a slightly curved manner to the periphery of the back plate 17 where it presents a machined surface corresponding in curvature to the circumference of the back plate, with a cutting edge which cooperates with that edge of the inlet port 13 which is forward with respect to the motion of the blades to provide a cutting device for dealing with solids in the pumped liquid. A rotary shut-off valve 30 is provided. The pump includes a gearbox 14 having double step-up gearing and an input coupling 16 by which it can be connected to a tractor power take-off. In another embodiment, of outward-flow type, the peripherallydisposed port which co-operates with the cutting edges of the impeller blades forms the discharge port.
Patent GB-935267-A (GB)
Title: Hairdresser's washstand for backward shampooing
IPC: A45D19/10
Filed: 1961-12-28
Abstract: A single stand supports one or more washing vessels provided with two or more neck recesses, each recess being intended for use in backward shampooing of hair in a separate cubicle.  Two recesses may be provided in a single basin, Figs. 1-6 (not shown), or one may be provided in each of two integrally joined bowls, Figs. 7-9 (not shown).  In each case, a common hot and cold water mixing unit and a hand spray are mounted centrally between the neck recesses.
Patent GB-1461000-A (GB)
Title: Mould inlet devices
IPC: B29C45/00
Filed: 1974-10-29
Abstract: 1461000 Injection jet BRITISH BATA SHOE CO 29 Oct 1974 [29 Oct 1973] 46647/74 Heading B5A An injection mould 2, 3 for a shoe heel or a shoe sole and heel comprises an injection port for injecting moulding material into a heel portion of the mould cavity, the injection port containing a nozzle 28 having an injection orifice 32 inclined at an angle up to 90 degrees (preferably 60 degrees) to the path normally followed through the injection port. The nozzle 28 is mounted on the end of an insert 22 which can be rotated within a hole 23 in mould port 3 to vary the direction of the orifice 32. The size of the orifice 32 can be varied by means of a set screw 35. By varying the direction or size of the orifice, or by altering its inclination (by replacing the insert 22 by another having an orifice of different inclination) it is possible to produce shoe heels free of surface imperfections.
Patent GB-1008429-A (GB)
Title: Improvements in and relating to plasticising screws for thermoplastic synthetic materials
Inventor: KOTHEMANN KARL HEINZ
IPC: B29C48/29
Filed: 1962-12-11
Abstract: 1,008,429. Mixing. F. STUBBE. Dec. 11, 1962, No. 46687/62. Heading B1C. [Also in Division B5] A device for treating thermoplastic synthetic materials comprises a heated funnel-shaped container 3 provided with means for producing a trickle flow of the charged material and supplying it to a plasticizing screw 1, and suction means 12 for degassing the charge connected to the upper portion of the container. In Fig. 1 material is fed to the container 3 from a hopper 14 and a screw 5 rotates so as to feed the material upwardly, an annular gap 7 being left through which the charge can trickle downwardly. In Fig. 2 (not shown) the hopper opening is disposed vertically above the apex of a cone within the container. A rotary distributor is disposed in the hopper opening. The cone and container are double-walled for heating purposes.