baber/WOPTO huggingface dataset:
Patent GB-449323-A (GB)
Title: Improvements in tube rolling mills
IPC: B21B21/00
Filed: 1934-12-21
Abstract: 449,323. Rolling tubes. NORTON & CO., Ltd., SIR J. F., and NORTON, W. J., Adelphi Iron Works, Salford. Dec. 21, 1934, Nos. 36671/34 and 21934/35. [Class 83 (iv)] A tube S is fed in increments step-by-step between reducing pilger rolls 10, 11 over a mandrel e reciprocated into and away from the rolls but not progressing through the roll pass, the tube and mandrel being turned when free of the bite of the rolls. Figs. 1, 2 and 3, joined together, give an elevation of the mill in which the mandrel e is gripped in the chuck d on a slide b but passes freely through the chuck q on a slide r which however grips the tube end. Another chuck 26 receives the leading end of the finished tube and participates in the step-by-step movement while drawing it off the mandrel which has received a fresh tube blank. The tube and mandrel are reciprocated from a crank-pin 15 on the roll shaft 13 which reciprocates a connecting rod 16 coupled directly to the tube gripping slide r and indirectly to the mandrel gripping slide b, the indirect compensating coupling being a bell-crank lever 18 with roller 22 and cam slot 23, the vertical arm of the lever then being thus influenced by the slot 23, when it drives the connecting rod 24 driving the connecting rod i to which the slides band 25 are coupled. Instead of this bell-crank compensated relative reciprocation of the mandrel feed and tube feed slides, lost motion couplings may be provided. On the forward stroke the rod i, the mandrel e and tube s are rotated by gearing f, g, through an angle (90‹) by the feed screw c which is turned by the ratchet wheel p and so feeds forward an increment to the slide r and the tube s, i.e. the tube gradually progresses over the mandrel. When the feed screw is moving backward the ratchet wheel p turns with it so that the screw has no rotary motion. The tube end progresses towards the chuck 26 which, when the slide 25 moves to the left, it causes the lagging slide 27 to close the chuck jaws 26 to grip the tube and vice versa allowing the tube to progress through the chuck so that the back end of the tube can be released from the chuck q and a fresh tube blank passed over the mandrel and gripped in the chuck q which has been moved back along the feed screw c and the machine base by the motor in rotating the feed screw through a chain and sprockets. The motor is also used to advance the tube initially up to the rolls.
Patent GB-619467-A (GB)
Title: Improvements in or relating to electric stand lamps
IPC: F21V21/22
Filed: 1946-12-12
Abstract: 619,467. Adjustable lamp supports. TOBIN, J. G. P. Dec. 12, 1946, No. 36682. [Classes 75 (ii) and 75 (iii)] [Also in Group XXIV] In an electric lamp stand comprising a lamp holder, a reflector 13 and a vertical pillar 15 to which an arm carrying a friction joint is pivotally secured, focusing is effected by a pin 12, extending from the housing 2 for the lamp socket, which co-acts with a slot 11 in a shroud 10 connected to the reflector 13 so that upon rotation of the shroud the reflector is displaced longitudinally to focus the lamp. The vertical pillar 15 comprises two telescopic tubes 17, 18 which can be locked in any desired relative position by means of a split chuck 19 and a threaded sleeve 25 arranged at the top of the lower tube 18. A spring 31 disposed between the lower end of the upper tube 17 and the bottom of the lower tube 18 assists the telescoping movement. The pivoted arm to which the lamp is secured comprises two telescopic tubes 4, 5 which are a good fit to provide a friction joint. A pin 6 in the inner tube 5 co-acts with a longitudinal slot 7 extending into a transverse slot 8 to allow limited rotation of the lamp-holder.
Patent GB-367973-A (GB)
Abstract: 367,973. Franking-machines; printing-surfaces. WHEELER, W. H., Stamford, and OGDEN, J. W., Springdale, both in Connecticut, U.S.A. Dec. 23, 1930, No. 38772. [Class 100 (ii).] Postal franking-machines, in which printing is positively effected by external operation, are provided with means inaccessible to the operator for limiting the period during which the printing-elements are in a condition for printing in order to prevent the taking of fraudulent impressions. The printing-die is formed of two main parts 3 having recesses in which are accommodated, during printing, arms 3b carrying printing characters and arranged radially on a series of printing wheels. The impression is taken by means of a verticallyreciprocable platen 101. The parts 3 of the die are normally held apart by springs 4s, and during this period, the wheels are set by the usual counting-mechanism. The parts 3 are carried by pairs of bell-crank levers 4, two arms of each pair being slotted to engage pins 5a carried by slides 5. Each slide 5 is vertically movable under the influence of an arm 6 carried by a rock shaft 6a to which is connected a lever 13 provided with a pin 13a engaging a cam slot Sa in a slide 8. The slide 8 is mounted on a bar 7 and is normally held in a position to separate the parts 3 by a spring 8s. A roller 8d on the slide is engaged by a roller 10c on a lever 10 pivoted to the bar 7 and held in contact with the roller 8d by a spring 10s. The bar 7 is moved by a bar 100 and causes the closing of the die parts in time for an impression to be taken by the platen 101. Pivoted to the bar 7 is a spring-held catch 11 which engages the end of a slide 9 and draws it along with the bar 7 in opposition to a spring 9s. At a certain point in the movement of the bar, the catch is tripped by a stop 11d out of engagement with the slide 9, and permits it to return under the influence of the spring 9s, the speed of this movement being restrained by a dashpot 12. When the slide 9 returns, it oscillates the lever 10 and releases the slide 8 which returns under the influence of its spring 8s and effects the separation of the die parts 3. The catch 11 is released before the bar 7 has completed its stroke to cause the closing of the parts 3, but the return movement of the slide 9 is sufficiently slow to permit the parts to close and the impression to be taken before the lever 10 is tripped. It is therefore impossible to stop the machine with the die parts closed in order to effect fraudulent impressions. Attempts to force the parts 3 together would produce tension in the springs 4s, and would also tend to force the pin 13a against the upper edge of the slot 8a, so this edge is serrated to produce added resistance to the movement of the pin. In normal use the pin slides along the smooth bottom edge of the slot.
Patent GB-417248-A (GB)
Title: Improvements in and relating to remote control systems
IPC: G08C19/48
Filed: 1932-12-31
Abstract: 417,248. Distant - control systems. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.- (Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin.) Dec. 31, 1932, No. 37032. Void [Abridged as open to inspection under Sect. 91 of the Acts, July 1, 1933]. [Class 40 (i).] A remotely controlled receiver of the resultant field type comprises a single winding rotor band a multi-winding stator a, all the windings being supplied with direct current derived from an alternating current source by dischargetube rectifiers, and the current in the stator windings being determined by control potentials applied to grid electrodes in the tubes I-III supplying them. The tubes are arranged as full-wave rectifiers. Slow rotation of the rotor may be effected by a controlling device, Fig. 2, (not shown).
Patent GB-1249028-A (GB)
Title: Reversing relay motor protector combination
IPC: H02P23/00
Filed: 1969-07-23
Abstract: 1,249,028. Electromagnetic switches. TEXAS INSTRUMENTS Inc. 23 July, 1969 [23 July, 1968], No. 37105/69. Heading H1N. [Also in Division H2] An A.C. motor for driving a garbage disposal unit is started in opposite directions upon successive closures of a master switch. Means responsive to a predetermined level of motor current disconnects a starting winding after each switch-closure, and means responsive to a higher current-value reconnects the starting winding without motor reversal. When line switch 53 is open, coil 21 is deenergized, whereby movable contacts 77 drop away from fixed contacts 45, 46, 48, 50. At the same time, follower 79 engages fixed cam 5 in position C. When switch 53 is closed, the follower 79 is lifted by coil 21 and turned by engagement with the angled ends 95 of tines 91 and cam 93. The contacts 77 then connect the pairs 46, 48, and 45, 50, whereby the running and starting windings 65, 67, are energized, the follower 79 being in position A. After the motor reaches full speed, the current through winding 65 and coil 21 is reduced to permit the follower 79 to drop to the position B, since coil 21 no longer holds up the core piece 83. However, in view of the flux-concentrating ring 33, the core piece 111 and cam 93 are held down. Contacts 77 re-opened to disconnect the starting winding 67. When the coil is next de-energized, by operating manual switch 53 or by overload current opening breaker 41, the assembly 68 drops so that follower 79 steps around to a new angular position. Upon the next application of power the contacts 77 move to connect pairs 45, 46 and 48, 50, during the starting operation and then re-open, under diminished current conditions, to disconnect the starting winding. The windings 65, 67 are connected in the opposite sense, whereby the motor runs in reverse with respect to the previous operation. In the event of an overload insufficient to trip breaker 41, the coil 21 pulls up core 83 to reclose contacts 77, whereby the starting winding is re-connected. Follower 79 is withheld from cam 5 so that the contact assembly does not rotate. When this type of overload condition terminates, the follower 79 drops to the position B which cuts out the starting winding while leaving the motor running without change of direction. The contact assembly 68 is formed by crossarm 69, follower 79, rockable conductive segments 73 carrying the contacts 77, post 81, core 83, and spring 87. Another spring 86 engages washer 105 to apply a downward force on core piece 83. The stepping cam 93 has armature 111 and is forced upwardly by spring 101. When the coil 21 is energized, the contact assembly 68 is pulled up by core 83 and cam 93 is forced down by armature 111. The cross-arm 69 has lugs 71 located in slots formed in segments 73, a rivet 75 being inserted in each lug.
Patent GB-936587-A (GB)
Title: A collapsible box or case
IPC: B65D6/16
Filed: 1960-11-01
Abstract: 936,587. Collapsible boxes. H. BERKES. Nov. 1, 1960 [Dec. 25, 1959], No. 37446/60. Class 18. A collapsible box or case in Fig. 8, comprises a bottom panel C having longitudinal battens 4, two end panels A and B, each having transverse battens 2 pivotally attached at their lower ends to the battens 4 and two detachable side panels E, having transverse battens 8, each side panel being arranged to fit between the end panels and to rest on the bottom panel with the battens 8 carrying the exterior surface of battens 4 on the bottom panel, Fig. 2, and lid D, Fig. 2, having transverse battens 10 and 11 is placed to fit between the battens 2 and 8, with the battens 10 and 11 engaging an exterior side of the panel 3 and battens 2 of the panel A, respectively. The lid may be secured by bolts, pins or screws inserted through holes 13 in the battens 2 or holes 16A in the panel B, Fig. 8, or alternatively, or additionally, by metal angles 14 fixed with bolts 15, Fig. 6 (not shown). When the box is collapsed the lid together with the side panels, whose battens 8 are spaced differently so that they may be nested together for storage, are stowed away in the space provided by the battens 4 of the bottom panel, the length of the batten 11 of the lid being such as to fit between the battens 4, Fig. 8. In another embodiment in Fig. 10 the battens 4 may be provided on the underside of the bottom panel so that the upper surface may be covered with a cloth or soft material to convert the box into a stretcher.
Patent GB-899102-A (GB)
Title: A double reflector lamp assembly
IPC: F21V7/00
Filed: 1959-11-06
Abstract: 899,102. Trough-shaped lamp reflectors. SCHMIDT, P. Nov. 6, 1959 [Oct. 22, 1959], No. 37646/59. Class 75(4) A double reflector lamp with elongated two-bulb light source 3 has a cusp-like crosssection or reflector 2 and arcuate outwardly extending portions in the vertical end walls 7. Ventilating slots 8 are provided.
Patent GB-1376037-A (GB)
Title: Cast hinge and method and apparatus for its formation
IPC: E05D3/00
Filed: 1972-08-11
Abstract: 1376037 Casting hinges COATS & CLARK Inc 11 Aug 1972 [7 Oct 1971] 37672/72 Heading B3F [Also in Division E2] A hinge comprises a first cast metal element 26 formed with oppositely directed projections 36 received in enclosures in a second element 28, the element with the bearing elements lying outwardly having in a surface depressions 52, 54 which distort the metal of that element and force the bearings apart to allow free pivoting. The elements are cast in dies 60, a second element 28 being formed around an already formed first element 26<SP>1</SP>, and are moved by transfer core element 64 to a location 26<SP>11</SP>, 28<SP>1</SP> between opposed members 80, 82 which are movable to contact the hinge, trim it, and hold it while a punch 160 sliding in the element 82 strikes the depressions in the element 28, distorting the metal and loosening the fit of the projections 36 in the enclosures.
Patent GB-765239-A (GB)
Title: An improved leak detection unit
Inventor: BELL ALAN
IPC: G01M3/04
Filed: 1954-12-31
Abstract: 765,239. Stuffing - boxes. FOSTER WHEELER, Ltd. Nov. 17, 1955 [Dec. 31, 1954], No. 37801/54. Class 122 (5). [Also in Group XXVIII] A device for detecting leaks at a gas-sealed point such as a gland in a liquidcontaining system such as a heat-exchange circuit, comprises two chambers 22, 24 separated by a membrane 20 made of a material susceptible to attack by the liquid, the chamber 22 communicat. ing with the sealing gas space around the joint &c. and the chamber 24 with an indicating instrument. As shown, the membrane is clamped between cylinders 10, 12 by a union nut 18. The cylinder 12 is welded into a box 28 provided with pipe connections 30, 32 whereby a stream of fluid may be passed through the chamber 24 to an indicator. Liquid leaking at the gland will fall on to the membrane, perforate it and pass through to the chamber 24 and be carried away. Where the liquid in the system is sodium, the membrane is made of wire woven compressed asbestos fibre, such as Klingerit (Registered Trade Mark), the sodium reacting with air in the chamber 24 to form a smoke of oxide. An orifice 36 in a partition 34 restricts the passage of.gas and prevents a drop in gas pressure if the membrane fails or is being replaced; in Fig. 2 (not shown), the partition is replaced by a sintered steel disc allowing the liquid to pass but preventing rapid escape of gas.
Patent GB-805957-A (GB)
Title: Improvements relating to railway track packing machines
IPC: E01B27/16
Filed: 1956-12-12
Abstract: 805,957. Railway track packing machines. PLASSER, F., and THEURER, J. Dec. 12, 1956 [Dec. 14, 1955], No. 37977/56. Class 104 (2). In a railway track packing machine in which an oscillatory movement is imparted to packing tools 3 arranged in pairs on a vertically adjustable tool-carrier 2 each tool 3 is articulated to a movable part 8 moved by a pressure medium and guided by a part 7 stationary with respect to tool carrier, and damping means 17 are provided in association with each moving part 8 such that the damping means 17 acts to maintain the oscillation centre of at least one tool 3 within its appointed instantaneous region. In the arrangement shown in Fig. 2 the cylinder 8, articulated to the tool 3, is moved to the left or right by passing fluid under pressure through ducts 71 or 7<SP>11</SP> into a chamber 8<SP>1</SP> or 811 on one or other side of the piston 8. A cylinder 15 connected to the cylinder 8 is moved by the cylinder 8 along a guide-rod 13 arranged above and parallel with the piston-rod 7. As the result of movement of the cylinder 8 fluid contained in the chambers 15<SP>1</SP> and 15<SP>11</SP> on one or other of the sides of a piston 14 is displaced, depending on the direction of movement of the cylinder 8, from the chamber 15<SP>1</SP> through a duct 18 in the damping device 17 past a spring- loaded non-return valve 22 and through a duct 19 into the chamber 15<SP>11</SP> or from the chamber 15<SP>11</SP> through duct 19 and 20 past a spring- loaded non-return valve 21 into the chamber 15<SP>1</SP>. Should the tool 3 be subjected to shock which tends to displace the cylinder 8 in the opposite direction to which it is being moved the fluid under pressure in chamber 15<SP>1</SP> or 15<SP>11</SP> causes the non-return valve 21 or 22 to be temporarily wholly or partially closed and thus the shock is absorbed. The non-return valve springs are accessible through caps arranged on the outer sides of the damping device 17.
Patent GB-1465092-A (GB)
Title: Transmission ratio control system
IPC: B60W30/18
Filed: 1974-03-20
Abstract: 1465092 Hydrostatic transmission control SUNDSTRAND CORP 20 March 1974 [19 April 1973] 38123/76 Divided out of 1465091 Heading F2W The subject-matter of this Specification is identical with part of that described in Specification 1,465,091, but the claims are directed to controlling the transmission by a valve responsive to opposing engine speed and fuel delivery pressure signals.
Patent GB-1234838-A (GB)
Title: Polyvinylidene fluoride compositions and films thereof
IPC: C08K5/092
Filed: 1968-08-09
Abstract: 1,234,838. Microcrystalline coating. KUREHA KAGAKU KOGYO K.K. 9 Aug., 1968 [9 Aug., 1967], No. 38131/68. Heading B2E. [Also in Division C3] A microcrystalline film or coated is produce on the surface of an article by (a) preparing a composition comprising polyvinylidene fluoride and 0.05 to 30 parts by weight, based on 100 parts by weight of polyvinylidene fluoride, of an additive which promotes microcrystallisation and which is terephthalic acid, kaolin, talc, diatomaceous earth or mixtures thereof, (b) applying this composition to the surface of the article, (c) heating and melting the composition, (d) keeping the composition molten and (e) rapidly cooling the article and composition. In the Examples mild steel and cast-iron block are coated. Step (b) is achieved by sprinkling or spraying and step (e) by dropping in cold water.
Patent GB-895855-A (GB)
Title: Improvements in or relating to traffic-observation mirrors for road vehicles
IPC: B60R1/08
Filed: 1959-11-11
Abstract: 895,855. Look-out reflectors for vehicles. HYDE, T. E. Nov. 10, 1960 [Nov. 11, 1959], No. 38240/59. Class 103(2). A vehicle mirror unit comprises a casing 1, Figs. 1 and 3, universally adjustable on a pillar 4 securable to the vehicle, and two mirror elements 2a, 2b each universally adjustable within the casing to present different fields of vision when observed from a com mon viewpoint, the casing projecting at 3 in front of the mirrors to constitute a weather shield. As shown in Fig. 3, each mirror element is carried by a plate 5 having a hemi-spherical socket 6 engaging a complementary shaped head 7 of a bolt whose stem 8 passes through a spacer sleeve 9 and the back of the casing, and is secured by a nut 10. The bolt is prevented from rotating by having a flat portion engaged by a screw 11.
Patent GB-1492000-A (GB)
Title: Apparatus for breaking a semiconductor wafer
IPC: H01L21/301
Filed: 1976-09-16
Abstract: 1492000 Splitting INTERNATIONAL BUSINESS MACHINES CORP 16 Sept 1976 [21 Oct 1975] 38424/76 Heading B5E An apparatus for breaking a semi-conductor wafer along prescribed lines comprises a plurality of ball elements 8 mounted on a support 6, a flexible adhesive sheet 3 attached to a carriage 10, the wafer being mounted on the sheet, means 46 to move the support in a direction perpendicular to the plane 16 of the sheet 3 so that the ball elements deflect the sheet out of the plane to induce a bending moment about prescribed lines in the wafer juxtaposed the ball elements to break the wafer along the prescribed lines, and means to move the carriage so as to displace the sheet in its plane. The sheet 3 is attached to a mounting card 1 and the wafer, which has been prescribed with saw lines 4 is mounted on the sheet 3. The card is received in guides 5 on the carriage 10 which is movable in X and Y directions by sliding means 12, 14 so as to move the sheet and wafer in the plane 16. The support 6 is disposed below the plane 16 and, as described, has four ball elements 8 which have a diameter of 0À3125 inches and project 0À125 inches above the support. The support is mounted for vertical movement by the lifting means 46 which is mounted on a base 36 of the apparatus. Lifting of the support 6 by the means 46 cause the ball elements to engage and deflect the sheet out of its plane thus bending the wafer which fractures along the lines 4 in the vicinity of the ball elements. Movement of the carriage causes the wafer to break along all of its lines. Debris is removed through vacuum ports in a housing 18 disposed above the support. Each vacuum port also contains a port connected to a source of air or nitrogen under pressure to further assist in the removal of debris.
Patent GB-798584-A (GB)
Title: Process and apparatus for separating gas mixtures
IPC: F25J3/08
Filed: 1956-12-18
Abstract: 798,584. Cold separation of gas mixtures. UNION CARBIDE CORPORATION [formerly UNION CARBIDE & CARBON CORPORATION]. Dec. 18, 1956 [Jan. 4, 1956], No. 38599/56. Class 8(2). In a low temperature gas mixture, e.g., air rectification process wherein relatively high boiling point impurities, e.g., water vapour and carbon dioxide are condensed in a heat exchanger cooled by returning separated oxygen and nitrogen and are afterwards revaporized on switching the flow paths of the incoming air and at least the outgoing nitrogen, the reduction of the temperature difference between the air and the returning nitrogen and oxygen at the cold end of the heat exchanger and which is necessary to effect complete vaporization of the condensed impurities is effected by withdrawing either cold vapour or liquid from an external body of liquefied gas of composition similar to one or other of the separated components. A countercurrent heat exchanger having warm and cold legs 16, 22, Fig. 1, in series has interchangeable air and nitrogen paths 18, 20 and a separate non-interchangeable oxygen path 19 supplied from the rectification column 32 through a duct 50 which is also connected by a duct 61 to an oxygen reservoir 60. The liquid space of the reservoir 60 is connected by a duct 64 to the reboiler 36 and the latter is supplied with warm product oxygen from the discharge duct 19h by a blower 13b in a duct 13. In a modification the heat exchanger comprises a pair of alternating regenerators each with a non- switching oxygen duct therein and in order to meet a high temporary demand for oxygen gas, liquefied oxygen from the reservoir is vapourized and added to that leaving the warm end of the regenerators. In a further modification using a pair of alternating regenerators 100, 102, Fig. 3, having oxygen paths 106, 108 discharging into a common duct 110, the product oxygen having been warmed in an exchanger 172 is compressed at 112 and a portion thereof is cooled in exchanger 172 and in paths 174, 176 prior to being returned through valved ducts 173, 173a to the reservoir 160 and the reboiler 36 respectively. Liquefied oxygen is forced by a pump 163 through a vaporizer 164 to meet a temporary high demand. In a still further. modification for the production of low purity oxygen two pairs of regenerators are used one for the nitrogen and the other for the product oxygen which thus becomes contaminated with the revaporized impurities, and there is no direct connection between the liquid oxygen reservoir and the oxygen regenerators.