baber/WOPTO huggingface dataset:
Patent GB-895612-A (GB)
Title: Improvements in governor systems, especially for injection pumps of internal combustion engines
IPC: F02D1/00
Filed: 1959-11-26
Abstract: 895,612. Centrifugal governors. PRECISION MECANIQUE LABINAL. Nov. 26, 1959 [Nov. 27, 1958; Dec. 12, 1958; Dec. 29, 1958 (2); Jan. 19, 1959; March 4, 1959], No. 40262/59. Class 57. A centrifugal governor of the kind comprising a ring of balls 5 mounted between two plates 2, 7, at least one of which is conical, is arranged so that the contact surfaces of one plate with the balls provide only for sliding or pivoting movement of the latter thereon and the contact surface of the other plate provides only for rolling of the balls thereon, and the assembly of balls and contact surfaces is washed by a pressurized lubricant. The plate 2 is secured to a drive shaft 1 of an I.C. engine and is provided with a number of radially disposed channels 4 providing a slight clearance for the balls, the contact surface 3 being hardened and polished to facilitate pivoting of the balls thereon during rotation of the plate 2. The plate 7 is of conical form and provided with an integral sleeve 8 slidable and rotatable on the end 9 of the shaft 1, the balls 5 rolling in the V-shaped channel formed by the outer surface of the sleeve and the inner conical surface 6 of the plate. The bearing surfaces are lubricated by oil, which is contained in a sump formed by the lower half of the casing and pumped by the centrifugal action of the rotating assembly through holes 7a formed in the plate 7, the oil being directed back into the sump by a deflector plate 32. The plate 7, which may be permitted to rotate relative to the plate 2 or prevented from such rotation by a pin-and-slot device 34, 35, acts through a plate 10 against a bearing 24 mounted on one end of a pivoted lever 25, the other end of the lever acting through a roller 27 on the end 28 of the fuel-injection control rod 29. For idling speeds, the governor is controlled by a spring 31 acting on the rod 29, the loading thereof being adjusted externally through a lever arrangement 40, 44, 47, Fig. 2; the loading may be increased by the use of an additional leaf spring 37. For higher speeds, the governor is loaded by springs 14, 18, of different rates, mounted between rings 12, 17, 19 on a rod 15 secured to the casing 16 of the governor, the loading of the springs being increased by the rotation of a lever 20 movable between adjustable stops 22, 23. In a modification (Fig. 3, not shown) the highspeed loading springs are mounted within a bore formed in the end of the engine drive shaft and the end of the lever 25, in contact with the fuel-injection control rod 29, is arranged at idling speed to abut a spring-loaded stop movable externally of the casing so that, if necessary, additional fuel may be admitted to the engine.
Patent GB-922147-A (GB)
Title: An improved variable loss circuit
IPC: H04B3/10
Filed: 1961-11-10
Abstract: 922,147. Automatic gain control. STANDARD TELEPHONES & CABLES Ltd. Nov. 10, 1961 [Nov. 14, 1960], No. 40392/61. Class 40 (4). A variable loss pad employed for automatic gain control in a carrier system comprises series and shunt thermistors of which the heating elements are connected in opposite sides of a differential network which compares a pilot signal with a reference voltage. The pilot signal is taken from the output of an amplifier 11 and passes through filter 1, amplifier 2 and rectifier 3 to the differential network or comparator 4 which controls thermistors in the loss pad 6 and in alarm circuits 7, 8. In the event of the pilot level varying outside limits fixed by the circuits 7, 8 the pad 6 is switched by means of a circuit 10 to a fixed or manually adjustable gain condition, the comparator 4 being disconnected. The pad 6 may take the form of an L or T network, Fig. 3, with thermistors T1, T2, while each of the alarm circuits 7, 8 may comprise similar thermistors T3, T4, Fig. 4, controlling a polarized relay RL1 biased to operate at a critical current value. The heaters Th1 . . . Th6 of the thermistors T1 . . . T6 are connected in opposite sides of the comparator, Fig. 2, and are fed by way of transistors Tr1, Tr2 by the pilot signal and a reference voltage, the latter being temperature-stabilized by Zener diodes MR1, MR2. A meter M measures the out-ofbalance current and indicates the loss of the pad 6.
Patent GB-1196155-A (GB)
Title: Simultaneous Control of Crown and Gauge of Plate during the Rolling Process
Inventor: SHOHET KAY NESSIM
IPC: B21B37/38
Filed: 1967-09-04
Abstract: 1,196,155. Rolling. BRITISH IRON & STEEL RESEARCH ASSOCIATION. 1 Nov., 1968 [4 Sept., 1967], No. 40408/67. Heading B3M. The gauge and crown of a plate being rolled in a 4-high mill are controlled by means of two sets of roll bending jacks suitably positioned between the ends of the work rolls and backing rolls. The sets can be in any two of three configurations; the jacks between the backing rolls (J.B.B.); with jacks between the work rolls (J.W.W.); or with jacks between adjacent work and backing rolls (J.W.B.). In a preferred arrangement, Fig. 6, the jacks are in J.B.B. and J.W.B. configuration. The J.W.B. jacks control the crown of the work rolls, and hence of the work, while the J.B.B. jacks compensate for any gauge changes created by the former jacks. A computer can be used to control the jacks, in response to information relating to the work roll camber, the mill stiffness, the rolling load, the dimensions of a workpiece, and the load-deflection characteristic of the sets of jacks.
Patent GB-1385755-A (GB)
Title: Nickel-iron-chromium alloys
IPC: C22F1/10
Filed: 1972-08-31
Abstract: 1385755 Nickel-iron-chromium alloys CREUSOT-LOIRE 31 Aug 1972 [28 Sept 1971]  40409/72 Heading C7A An alloy for high temperature use, such as in aeronautical turbines, has a composition, in per cent by weight, in the following range:- Fe 15 - 25 Cr 15 - 25 C 0.03- 0.2 Si less than 0.4  Mo 2.5 - 9.0 Nb 1.5 - 6.5 Ti 0.5 - 1.5 Al 0.3 - 1.5  Ni and incidental impurities the balance. The Nb may be replaced by Ta on an equivalence basis of 2x%Ta is equivalent to x%Nb. The presence of 0.005%B is also referred to. The alloy has a matrix of Ni 3 (Ti, Al, Nb) and a tetragonal phase of Ni 3 (Nb. Ta). The alloy is produced by subjecting to heat treatment a composition in which the sum of the atomic percentages of Ti, Al, Nb and Ta is 4 to 6 and the ratio of the sum of the atomic percentages of Ti and Al to the sum of the atomic percentages of Nb and Ta is 0.8 to 1.5, the treatment being a solution treatment followed by ageing which is initially at a temperature derived form the graph in Fig. 3. The ageing temperature may be reduced from the initial temperature within the limits indicated by the hatched area of Fig. 2.
Patent GB-1028827-A (GB)
Title: Liquid dispensing package
IPC: B65D77/06
Filed: 1964-10-06
Abstract: 1,028,827. Dispensing cartons. ROBERT SKARSTEDT A.B. Oct. 6, 1964 [Oct. 9, 1963], No. 40687/64. Heading B8P. An outer cardboard carton is folded from a blank and has a plastics liner reinforced by a corner portion 20 to form a pouring spout, the liner having a cut 21 (Fig. 9, not shown) in a seam 17 that engages in the edge of an opening formed by a tear-off tab 22 (Fig. 1, not shown) in the carton closing flaps. The length of the reinforcing portion is longer than the opening formed by the tear-off tab thereby ensuring that when the cut engages the opening the spout portion is maintained in a protruding position. The carton is secured by adhesive and the liner is secured by adhesive to the inside of the carton at the shaded part 3a. The liner is made of a folded sheet of plastics material and the side portions are joined by thermoplastic welding. The reinforcement 20 may be laminated having one layer of polyethylene or of the material known under the Trade Mark " Cellophane "- this layer being fused with the liner. When the carton is sealed the stiffened corner of the liner lies between triangular parts of two top closing flaps so that on opening the tear-off flap the liner can be gripped and drawn out of the carton to form the pouring spout.
Patent GB-996341-A (GB)
Title: Direct-current double polarity power amplifier
IPC: H03F3/26
Filed: 1963-10-15
Abstract: 996,341. Control of D.C. motors. C.I.T. COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS. Oct. 15, 1963 [Oct. 17, 1962], No. 40727/63. Heading H2J. [Also in Division H3] An amplifier for feeding a reversible D.C. motor M, comprises four transistors arranged in a bridge with the input signal applied between the bases of a first adjacent pair and the bases of each of the second pair connected to a potentiometer arranged across the other transistor of the second pair. If the polarity of the input signal is such that A is positive and B is negative, transistor Q 2  will conduct. The resulting potential across potentiometer R 2 , R 6  will cause transistor Q 4  to switch to the fully conductive condition and current will flow via transistors Q 2  and Q 4  to the motor, the magnitude of the current depending upon its conductivity of transistor Q 2  and hence upon the value of the input voltage. The load current reverses if the polarity of the input voltage reverses. The motor may form part of a servo system and as there is a small dead zone before the signal voltage is sufficient to make either input transistor conduct, the provision of stabilizing negative feedback in the system unnecessary.
Patent GB-972449-A (GB)
Title: Improved wrench or similar tool
IPC: B25B13/30
Filed: 1962-10-29
Abstract: 972,449. Wrenches. C. F. SEXTON. Oct. 8, 1963 [Oct. 29, 1962], No. 40754/62. Heading B4W. A wrench for starting the rotation of a tap body that has become fixed in position on a base, comprises a pair of pivoted jaws 2, 7 shaped internally to grip the nut 4, a screw 12 pivoted at 9 to the tail of the jaw 7, the screw passing through a support bracket 14 mounted on a plate 15 which may be clamped to the tap outlet part 1, and an internally screw-threaded sleeve 18 on the screw which on rotation gives axial movement to the screw. On the screw being drawn into the sleeve the jaws are first tightened on to the nut 4, continued rotation causing the nut to turn. The bracket 14 has a pivotal movement to facilitate mounting the tool.
Patent GB-948534-A (GB)
Title: Textile carding machine
Inventor: FRASER HENRY KENNEDY
IPC: D01G15/18
Filed: 1961-11-16
Abstract: 948,534. Carding engines. GIDDINGS & LEWIS-FRASER Ltd. Oct. 29, 1962 [Nov. 16, 1961], No. 41015/61. Heading D1N. A carding machine has sets of worker and stripper rollers consisting of a stripper roller interposed between two worker rollers. Where the sets of rollers are located under a main cylinder 13, a cover 14 is located under the stripper roller 10 of each set and a plain roller 15 is also provided to prevent fibres falling from the stripper roller.
Patent GB-920017-A (GB)
Title: Improvements in or relating to stencils
Inventor: GREEN CYRIL
IPC: B41N1/24
Filed: 1959-12-02
Abstract: 920,017. Stencils. GESTETNER Ltd. Dec. 19, 1960 [Dec. 2, 1959], No. 41016/59. Class 100 (2). A duplicator stencil blank comprises an oilcontaining stencil sheet secured to a backing sheet of paper rendered impermeable to oil by sizing with a chromium co-ordination complex of a saturated perfluoro-monocarboxylic acid. In the described example a paper backing sheet, 20 to 80 lbs. weight and free from rosin-alum size, was treated on one side only with an #to 1% solution of Scotch Gard FC805 containing 0.5 to 6% of urea and dried. There was then applied to either side by gravure printing one of the following wax coatings in a weight of 8 to 10 grams/sq. metre: black coating-a composition of carbon black, Yorkshire grease, mineral oil, petroleum jelly, montan wax, carnauba wax and litho varnish applied at 90-105‹ C., white coating-polyethylene, microcrystalline wax and paraffin wax applied at 105-115‹ C. Preferably, the coating, which will accept oil from the stencil sheet, does not extend to the margins of the backing sheet, thus enabling the said sheet to be handled by the margins, which remain free from oil.
Patent GB-884571-A (GB)
Title: 18,20-epoxy steroid derivatives
IPC: C07J71/00
Filed: 1959-12-03
Abstract: The invention comprises steroid compounds of the general formula <FORM:0884571/IV (b)/1> wherein R represents hydrogen or a lower alkly or a (lower alkyl)-CO-group, and R1 represents hydrogen or a (lower alkyl)-CO-group (the expression lower alkyl herein means an alkyl group containing 1 to 6 carbon atoms).  The compounds may be prepared (a) by treating 18,20 - epoxy - 4,20 - pregnadiene - 3 - one with osmium tetroxide to form a mixture of 18,20-epoxy-20(a  and b ),21-dihydroxy-4-pregnen-3-ones and either acylating these compounds to form the 21-monoesters or etherifying these compounds to form the 20-monoethers; (b) by treating 18,20 - epoxy - 4,20 - pregnadien - 3 - one with a lead tetra-alkanoate to form the 20,21-diesters and selectively hydrolysing, e.g. by treating with acid under mild conditions, the 20,21-diesters to form the 20-monoesters; and by etherifying the 18,20-epoxy-20-hydroxy-21-acyloxy-4-pregnen-3 - ones or by acylating with alkanoic anhydrides the 18,20 - epoxy - 20 - alkoxy - 21 - hydroxy - 4 - pregnen-3-ones in each case the 20-ethers-21-esters are formed.  Detailed examples are given. Specification 884,572 is referred to.
Patent GB-865598-A (GB)
Title: Trailer vehicles
IPC: B60P3/34
Filed: 1958-12-22
Abstract: 865,598. Collapsible vehicles. RUDMAN, DARLINGTON & CO. Ltd., and RUDMAN, J. Dec. 14, 1959 [Dec. 22, 1958], No. 41223/58. Class 108(1). A caravan has a rigid body 1 provided with bunks 16 and has a lid 4 hinged along a longitudinal edge so that it may be propped open by stays 5 to give headroom inside the vehicle. Waterproof sheets 12, 12X complete the closure being secured to the body by releasable fasteners 13. The props 5 have pins at their upper ends to engage apertures in leaf springs 10 secured to the lid 4.
Patent GB-1319205-A (GB)
Title: Apparatus for producing non-woven fabrics
IPC: D04H3/04
Filed: 1971-09-03
Abstract: 1319205 Bonded net forming apparatus CHAVANOZ SA 3 Sept 1971 [4 Sept 1970] 41266/71 Heading D1R Apparatus for forming a weft thread sheet and for incorporating said sheet into a non- woven net fabric includes a pair of spaced side-by-side elongate thread support means 30, 32, each comprising a helical member 34, 36 and a thread support element 38, 40, positioned inside and inwardly spaced from said helical member and extending along the central axis, a thread winding tube 22 for laying a continuous thread 16 about support elements 38, 40, and a sprocket and chain drive 44 for rotating helical members 34, 36 to advance the weft sheet along the support elements. Preferably the helical members 34, 36 are springs; alternatively helically grooved cylinders may be used. Support elements 38, 40 are preferably tubular, surrounding selvedge threads 50, although solid rods may be used. In the embodiment of Fig. 4 (not shown) the support tubes flare out to an increased diameter at their mid-points thus stretching the weft threads 58 as they are moved along the tubes by the springs. Tubes 38, 40 may rotate with springs 34, 36, or they may be supported in bearings. The weft thread sheet is passed between the nip of rollers (60, Fig. 1, not shown) and 62 whilst warp thread sheets (64, 66) are fed through above and below the weft sheet. The net may be bonded at its crossover points by passing through an adhesive bath (60) and an oven 72. Alternatively a hot-melt adhesive may be applied or the natural or man-made threads or yarns adhered by thermal fusion.
Patent GB-1249826-A (GB)
Title: Improvements in or relating to the manufacture of contraceptive sheaths
Inventor: BERRY FRANCIS DOUGLAS
IPC: B29C65/78
Filed: 1969-08-19
Abstract: 1,249,826. Seaming non-metallic sheet material. L.R. INDUSTRIES Ltd. 14 Nov., 1969 [19 Aug., 1969], No. 41323/69. Heading B5K. [Also in Division A5] A contraceptive sheath is manufactured by cutting two substantially identical blanks 1A, 1B, Fig. 1, each corresponding in shape to the shape of the required sheath, from thermoplastic film material and welding the edge portions of the blanks together except at one end corresponding to the open end of the sheath. In one embodiment, Fig. 1, the blanks 1A 1B are cut from webs 2A, 2B by reciprocating cutters 3A, 3B which transfer the blanks to supports 4A, 4B formed with sheath-shaped recesses 5A, 5B. The edge portions of the blanks are retained on plane surfaces of the supports 4A, 4B by suction applied to apertures 6. The supports 4A, 4B are mounted on conveyers which are moved intermittently in unison. A mandrel 7A is moved towards the support 4A and partly enters the recess 5A to cause the edge portions of the blank 1A to lie flat along the edge surfaces of the mandrel 7A, the suction at the apertures 6 being stopped. The supports 4A, 4B are conveyed into juxtaposition so that the blank 1B is laid on the exposed surface of the mandrel 7A. A pair of profiled welding tools 8 carried by the support 4B are advanced towards each other to cause the edge portions of the blank 1B to be folded over on to the edge portions of the blank 1A. Welding current is passed through the tools 8 to form a flat seam, Fig. 4(b) (not shown). Finally, the sheath 10 is removed from the mandrel 7A. In a second embodiment, Fig. 2, the conveyers are replaced by two intermittently rotatable turrets 11A, 11B each provided with four supporting surfaces 12A, 12B each formed with a sheath-shaped recess 14. Sheath-shaped blanks are cut from thermoplastic film webs 18A, 18B by tools 15A, 15B each comprising a raised form (16), Fig. 3 (not shown), spring biased towards the respective turret and a profiled knife edge (17) outwardly of the form (16). The blanks are pressed into the recesses 14 by the forms (16). At stations (b), a mandrel 20 is advanced into the space between the two blanks held in the recesses 14. Two welding tools 21 move to engage the edge portions of the blanks to cause them to overlap and form flush seams, Fig. 4(b) (not shown). Alternatively, raised edge seams, Fig. 4(a) (not shown), are formed and are subsequently smoothed-off. Specified thermoplastic materials are polyethylene, polypropylene, ethylene-propylene copolymers, polyethylene terephthalate, polyvinyl chloride, polyvinylidene chloride, nylon and polycarbonates.
Patent GB-941234-A (GB)
Title: Waxing device for textile machines
IPC: B65H71/00
Filed: 1961-11-17
Abstract: 941,234. Waxing devices and stop motions for winding machines. SCHWEITER ENGINEERING WORKS Ltd. Nov. 17,1961 [Nov. 18, 1960], No.41327/61. Headings D1D and D1F. Device for supplying wax to a yarn moving between a cop S and a wind-up bobbin C, includes a rotatable and axially displaceable shaft 10 (Fig. 3) carrying a block of paraffin wax, drive means for driving the shaft and means for locking the shaft in a predetermined axial position when the wax block becomes worn to a critical extent. As described, one such device P (Fig. 7) is provided for each winding unit A of a multi unit cross-winder which is mounted on a rotating table 35 and which has several control units D, cop replacing units &c., about the circumference of the table. Shaft 10 is driven through pinion 11a, gear 7,belt 9 (Fig. 7), reduction gearing 4 and belt 6, from the grooved winding drum 5. When the thread F breaks or the cop S runs out, the yarn detector 36 (Fig. 7) is released and thus releases a three armed lever 30. This causes lever 38 to swing to the right (Fig. 7) and thus allows spring 43 to pull shaft 42, which drives drum 5, away from a driving belt 49 and against a friction braking wall of an aperture 48. Also arm 30b of lever 30, when the winding unit A reaches the next control unit, contacts switch 23 and starts cam-shaft 27, of the control unit, rotating. Cam 52 through rod 54 and a three armed lever 55 causes a two armed lever 15 (Fig. 3) to raise the wax block 12 off the thread F and a plate 14 against which it is normally spring pressed, and causes a yarn brake 57 and yarn cleaner 58 to open. The yarn fault is automatically corrected and the rod 54 releases the lever 55 which allows the above parts 12, 57, 58 and 42 to return to their working position. Other cams on the shaft 27 may actuate other devices including a shaft 50 which by means of a disc 50a reverses the bobbin C to obtain a yarn end for knotting. When the block 12 has been worn down to a cr itical extent an end 20c of a pivoted lever 20 engages a groove 11c between the pinion 11a and hub 11b. The other end of the lever 20 (Fig. 7) now prevents the three armed lever 30, when the next yarn fault occurs, from revolving into the switch 23 actuating position but instead revolves into an intermediate position and actuates a switch 31 which lights up a lamp 22 to inform the operator that the wax block needs replacing.
Patent GB-1091289-A (GB)
Title: Method and apparatus for deslagging tube lined furnace walls
IPC: F23J3/02
Filed: 1965-09-29
Abstract: 1,091,289. Cleaning heat-exchangers. COMBUSTION ENGINEERING Inc. Sept. 29, 1965 [Oct. 20, 1964 (2)], No. 41436/65. Heading F2N. [Also in Division F4] A slag layer is removed from the tubes forming a furnace wall by introducing a fluid through holes 14 in the web 13 between the tubes to spread over the furnace walls behind the slag layer. A deflector welded to the tubes prevents air jets piercing the slag. The holes and deflector may be replaced by a T-pipe directing fluid from its ends up and down the web behind the slag. In furnaces without inter-tube webs, the fluid is introduced between the tubes from a pressure chamber within the furnace lining 8. Fluid is fed to the cleaning device intermittently so that a continuous layer of slag is formed before its removal.
Patent GB-1130047-A (GB)
Title: Improved rope end fixing
Inventor: TURNER ROY VICTOR
IPC: F16G11/04
Filed: 1966-09-16
Abstract: 1,130,047. End attachment for ropes. VICKERS Ltd. 22 Aug., 1967 [16 Sept., 1966], No. 41582/66. Heading D1T. The core 1 has a threaded boss 2 screwed into a nut 7 formed with an eye 8. The strands of the rope 9 are sandwiched between the core 1 and a two-part conical sleeve 3, 4; the parts 3, 4 being held together by an annular member 10. A nut 5 on the boss 2 is rotatable to cause relative axial movement between the core 1 and sleeve part 4. The core 1 may terminate in any other form of attachment member 8 and the parts 3, 4 may be bolted together.
Patent GB-1323867-A (GB)
Title: Nibbing punch
IPC: B21D28/34
Filed: 1971-09-07
Abstract: 1323867 Nibblers W A WHITNEY CORP 7 Sept 1971 [12 Oct 1970] 41706/71 Heading B3W The leading end of a nibbling punch comprises an annular wall 34 which bites into a workpiece to prevent lateral displacement of the punch relative to the die during a punching stroke. The depth of the recess 35 surrounded by the wall is less than the thickness of a workpiece on which the nibbler is to be used. Automatic means for indexing the workpiece may be provided. To facilitate manual indexing of the workpiece, a pilot punch 50, Fig. 9, is screwed into a threaded bore in the punch body. On the first punching stroke, the pilot punch punches a hole just before the punch proper forms a larger one. The workplace is moved between punching strokes until the pilot punch abuts the leading edge 20a of the slot 20 being punched and a crescent-shaped strip 47 is punched out at each stroke.
Patent GB-1150589-A (GB)
Title: Improvements in or relating to Chucks for Securing Workpieces in Machine Tools
Inventor: DOISTUA PEDRO SAGARDUY
IPC: B23B31/175
Filed: 1966-09-19
Abstract: 1,150,589. Chucks. P. S. DOISTUA, and C. A. GOIRI. 19 Sept., 1966 [17 Sept., 1965], No. 41713/66. Heading B3B. A chuck has radially adjustable jaws 10, screw-threaded manually rotatable spindles 7 which are interconnected by gears 6, 21 for mutual and simultaneous operation of the jaws 10, and hydraulically operated means comprising a piston 28 which actuates pivoted levers 15 to apply or release clamping pressure on the jaws through thrust members 22, the latter being arranged to engage grooves 8 in the spindles 7. The chuck body 1 is internally screw-threaded at 2 for attachment, e.g. to a mandrel. The gear 21 may be removed to allow for independent adjustment of the jaws.