baber/WOPTO huggingface dataset:
Patent GB-1206152-A (GB)
Title: Improvements in crop conditioners having counter-rotating rolls
IPC: A01D82/02
Filed: 1967-09-22
Abstract: 1,206,152. Hay-conditioners. SPERRY RAND CORP. 22 Sept., 1967 [27 Sept., 1966], No. 43238/67. Heading A1F. [Also in Divisions B2 and F2] In a crop-conditioner having oppositely rotating crushing rollers 12, 14 the lower roller 14 is fluted at least adjacent to its ends, the flutes 25 being helically arranged and directed so that the crop tends to be fed axially inwardly as it is picked up. As shown, both rollers are fluted throughout their lengths, the two half-rollers being oppositely-fluted but in an alternative construction (Fig. 4, not shown) each roller comprises four oppositely-fluted quarterrollers, the two outer quarters being fluted so as to feed inwardly.
Patent GB-1389756-A (GB)
Title: Safety device in a firearm
IPC: F41A17/64
Filed: 1972-09-19
Abstract: 1389756 Firing pin stop COLT INDUSTRIES OPERATING CORP 19 Sept 1972 [28 Oct 1971] 43377/72 Heading F3C A safety device which limits the forward movement of a firing pin 24, Fig. 1, comprises a latch 42 which is slidably mounted in a chamber 44, Fig. 2, of a frame member 12 and is urged towards the firing pin by a spring 68, having an end abutting a back sight 50 mounted on the frame member 12. The latch 42, Figs. 2 and 3, has a pin 60 received in a passage 62 formed in the frame member 12, is recessed at 52 to receive a shoulder 38, Fig. 1, of the firing pin 24 therein, and has an arcuate portion 56, Fig. 3, engageable with a portion 36, Fig. 1 of the firing pin which is intermediate the shoulder 38 and a shoulder 32 also formed on the firing pin. The latter is urged, by a spring 30 mounted in a firing pin passage 26, towards a hammer 22. The forward movement of the firing pin 24, being limited when a surface 54, Fig. 3, abuts the shoulder 38, Fig. 1, of the firing pin, ensures that an end 28 of the latter is maintained in a firing pin opening 58 in a safety member 34, thus permitting free movement of the firing pin towards the hammer 22 should the end 24a of the firing pin be subjected to a blow from a round (not shown) when entering chamber 20 of barrel 16 of the firearm.
Patent GB-1166993-A (GB)
Title: Cutting Jigsaw Puzzles
IPC: A63F9/10
Filed: 1965-10-14
Abstract: 1,166,993. Cutting jigsaw puzzles. TOOGOOD & JONES Ltd., and J. S. CLEARY. 14 Oct., 1966 [14 Oct., 1965], No. 43584/65. Heading B4B. A tool for cutting jigsaw puzzles comprises a blade curved to provide oppositely facing concave portions one of which has a mouth wider than the other, one edge of the blade being sharpened, by chamfering one face of the blade, to form the cutting edge. The chamfered face is inside the wider mouth and outside the smaller. The tool is held in a holder 28, Fig. 2, of plastics material or metal. A sheet of card or other material is cut into strips 10, 11 by a succession of cuts 12, 13, 14 &c. connected at 15, the individual cuts corresponding to the shape of the tool which is turned slightly between one cut and another about points 15. The blade may have a pin at one or each end to assist in locating the blade for making connected cuts. The tool (20), Fig. 5 (not shown), is mounted in a press body (21) moulded of plastics material and is operated by a cam (26) with a handle (27). A stripper blade (23) or a rubber pad within the blade (20) ejects the tongue 25, Fig. 3. Several blades of varying dimensions may be used in cutting a single puzzle.
Patent GB-940345-A (GB)
Title: Launching machine for a bridge beam
Inventor: STRONG JOHN WALLACE
IPC: E01D21/06
Filed: 1959-12-23
Abstract: 940,345. Cranes; jacking systems. HEAD WRIGHTSON & CO. Ltd. Feb. 22, 1961 [Dec. 23, 1959], No. 43792/59. Headings B8B, B8H and B8J. Apparatus by which beams B may be laid across supporting piers P, P<SP>1</SP> in the construction of a bridge comprises a truss 2, one end of which is carried by a mast 1 which is movable on wheels over tracks laid on one side of the gap to be bridged and the other end of which carries a depending mast 7 for support of the truss on a pier P<SP>1</SP> at the other side of the gap. The truss 2 provides guide means for movement therealong of beam-holding slings and is equipped with means for lowering a beam on to the piers P and P<SP>1</SP>. As shown in Fig. 2, the apparatus has been brought into a position bridging piers P and P<SP>1</SP> by movement of the mast 1 on wheels (not shown) along a track 13 laid on a previously positioned beam B<SP>1</SP>. One end of the beam B to be laid has then been slung in a sling 28 supported by a carriage 27 movable on wheels 29 along a guideway formed in the truss. The other end of the beam, which is shown resting on a bogie where wheels 27 have just left the track 13, will next be similarly slung on the truss and the whole apparatus moved laterally, if necessary, to position the beam B. Such lateral movement is by movement of a bogie 14 on to which the mast was run when it left track 13. The wheels 15 of this bogie run on a track whose direction may be varied up to 30 degrees on each side of the normal to track 13, and the depending mast 7 runs on a parallel track 18 on the pier P<SP>1</SP>. When correct longitudinal and lateral positioning of the beam B has been attained, the beam is transferred from the slings 28 to similar slings 35 (see Fig. 6) which are carried by the lowering means 36 of Fig. 2. The latter each comprise a pair of parallel struts 40 and 43, Fig. 6, one of which is attached to members 41 supporting the sling 35 and the other of which is secured, by means not shown, to the truss 2, the members 40 and 43 being relatively movable vertically by jacks 42. The bogie 14 of Fig. 2 may be omitted and wheels replacing its wheels 15 may be provided on the mast 1. These wheels, and the wheels, not shown, by which the mast moves along track 13, may be removable or retractible so that only longitudinal or lateral movement of the apparatus is possible at any one time. In an alternative arrangement the separate slings 28 and 35 are replaced by a single sling 51, Figs. 8 and 10 (not shown), which is suspended from a wheeled trolley for movement on a track extending along the top of the truss. In this arrangement the beamlowering jacks act between the said sling 51 and the trolley.
Patent GB-945873-A (GB)
Title: Improvements in or relating to punching devices
Inventor: SCHOTT ARTHUR KENNEDY
IPC: B21D28/24
Filed: 1962-11-20
Abstract: 945,873. Sub-press mechanisms. HOUDAILLE INDUSTRIES Inc. Nov. 20, 1962. No. 43886/62. Heading B3W. A sub-press mechanism 10 comprises a C-shaped frame 11 having upper and lower arms 12, 13 with axially aligned bores 16 and 19 respectively, a die 15 removably secured in the bore 19; a punch and guide assembly 14 reciprocably disposed in the upper arm, said assembly including an elongated punch guide sleeve 27, an upper collar 28 slidably surrounding the sleeve and a lower collar 29 surrounding the lower end of the sleeve, a stripping spring 30 around the sleeve and biasing the collars apart, a pair of snap rings 38, 39 retaining the collars against the stripping spring, the collars each having a surface 31, 32 in slidable contact with the upper arm 12, a punch 22 slidably received within the sleeve 27 and having a head 43 projecting above the upper collar, a manually removable snap ring 44 securing the head to the upper collar, the lower collar 29 having a downwardly directed recess 35 defining a shoulder within the axial limits of the working end 21 of the punch, the recess being adapted to receive a stripper button 36, and there being a lifting spring 45 acting between the upper arm 12 and the upper collar 28 to bias the punch and guide assembly away from the die. The punch is prevented from turning in the sleeve by a key 51, the sleeve is secured to the lower collar by a pin 42 and the lower collar is keyed for sliding movement only by a pin 18. The die is retained in the lower arm by a set-screw and is locked against angular movement by a pin 25. The pin 18 has a bifurcated end, Fig. 4, at least one of the bifurcations being resilient and the dimension across the bifurcations being about 0.005 inches larger than the diameter of the hole 17.
Patent GB-911142-A (GB)
Title: Improvements in or relating to screw elevators
Inventor: LAUDER JOHN PATON
IPC: B65G33/00
Filed: 1959-12-28
Abstract: 911,142. Screw elevators. HODGKINSON (SALFORD) Ltd., JAMES. Dec. 19, 1960 [Dec. 28, 1959], No. 43974/59. Class 78 (1). An elevator screw A elevates coal to screw conveyer E which discharges it into feed hopper D of a mechanical stoker. The casing B of screw A is furnished with a skid C to prevent the screw contacting the ground.
Patent GB-1279641-A (GB)
Title: Parallax panoramagrams and like pictures
Inventor: STEPHENS HARRIS NEWTON JR
IPC: G03C9/02
Filed: 1969-09-05
Abstract: 1279641 Parallax panoramagrams EASTMAN KODAK CO 5 Sept 1969 [6 Sept 1968 31 July 1969] 44080/69 Heading G2J A parallax panoramagram or like picture has a lineated image printed on a paper substrate and an aligned lenticular viewing screen therefor which comprises a film of hot-melt thermoplastic composition containing from 41-90% by weight of a cellulose acetate butyrate having a butyryl composition greater than 38% by weight, a free hydroxyl content of less than 2% by weight and from 10-59% of a plasticizer of b. p. of 8325‹C. or over, the composition having a melt viscosity at 375‹ F. of between 2, 000 and 50, 000 centipoises. The cellulose acetate butyrate is preferably 65-85% and the plasticizer preferably 15-35% are e. g. tin-alkyl esters of acyl citric acid di-alkyl phthalates, dibasic acid esters, aryl phosphates or acylated monoglycerides preferably di-2-ethyl hexyl adipate. A method of making the parallax panoramagram or like picture comprises extruding the hot melt composition described on to the substrate in the form of bead-like strips which are then embossed with a lenticular pattern, the panoramagram is then removed from the apparatus after curing. Stabilizers (e.g. 0À1-0À3% by weight of cellulose present) such as protan acceptors, anti-oxidants and buffering agents may be added to the melt and dyes e.g. ultramarine blue and organic dyes may be added to improve the clarity of the screen. Promoting agents may be added to the inks, up to at least an equal percentage of that of the plasticizers, to improve adhesion of the films on the substrate.
Patent GB-1005171-A (GB)
Title: Improvements in vehicle suspension systems
IPC: F16F9/48
Filed: 1963-11-08
Abstract: 1,005,171. Hydra-pneumatic sheet absorbers. CATERPILLAR TRACTOR CO. Nov. 8, 1963 [Dec. 26, 1962], No. 44116/63. Heading F2S. A hydro-pneumatic spring suspension strut comprises a support piston 13 telescoping within a casing 12 to compress gas in a chamber 46 on an increase in load. Means are provided for lowering the spring rate with loads above a given size and includes, first and second gas chambers 46, 49 in the strut precharged to different pressures with the precharge in the second chamber higher than in the first, the support piston 13 being effective to compress the gas in the first chamber on retraction of the piston 13 within the casing 12. A floating piston 34 has a limited amount of movement in one direction and is movable in an opposite direction to compress the gas in the second chamber after the pressure in the first chamber exceeds the precharge pressure in the second chamber. A passageway 32 extends from the first chamber to the floating piston 34 and contains hydraulic fluid directly exposed to the gas in the first chamber for transmitting pressure from the gas in the first chamber to the floating piston 34. In the construction shown, the higher pressure gas chamber 49 is contained within a cylinder 27 concentric with the casing 12 and above the floating piston 34. The cylinder 27 is closed by a plate 29 through which the passageway 32 passes and against which the floating piston abuts when the suspension strut is fully extended. Orifices 39 are provided in the side walls of the floating piston for distributing lubricating oil added to the top of the piston during initial assembly of the strut. An hydraulic expansible chamber 53 is formed between the piston head 14 and the casing, a valve 54 allowing free flow of hydraulic fluid to the chamber and an orifice 55 restricting the reverse flow of the fluid to damp the movement of the strut. The gas chambers are filled through charging valves 48, 51 which are so mounted in the end cap of the strut that these valves must be removed before the strut is disassembled.
Patent GB-1358055-A (GB)
Title: Copper-based alloys
IPC: C22C9/06
Filed: 1971-09-22
Abstract: 1358055 Copper base alloy LANGLEY ALLOYS Ltd 18 Dec 1972 [22 Sept 1971] 44226/71 Heading C7A  Copper base alloys comprises:- with an optional addition of Mn 0À05-0À5%, the balance being Cu and the ratio %Ni/%Si being from 4 to 6. The molten alloy may be cast at 1150‹-1200‹C, the billet reheated to 900- 1000‹C, hot worked by forging, rolling or extrusion and then quenched in air, oil or water. The alloy may then be precipitation hardened at 400‹-600‹C for 4-6 hours with an optical pre-treatment by heating at 850‹-1000‹C for 30-60 mins followed by air, oil or water quenching or by cold working when the maximum precipitation temperature is 500‹C.
Patent GB-939725-A (GB)
Title: Improvements in or relating to load handling devices
IPC: E02F9/12
Filed: 1959-12-31
Abstract: 939,725. Excavating earth. HITA TRUST REG. Dec. 31, 1959 [Jan. 28, 1959], No. 44386/59. Class 68 (1). A mechanical loader comprises arms 2 pivoted at 3 on a vehicle, shown as a tracked vehicle A, arms 7 pivoted at 6 to the arms 2 and a loading member 8 pivoted to the arms 7, means being provided for moving the arms 2 relatively to the vehicle and the arms 7 relatively to the arms 2, whereby the member 8 may be thrust into the material even when the vehicle is stationary. The arms 2 are pivoted to spaced frames 4 secured to the vehicle and are swung about the pivots 3 by jacks 5. Jacks 10 swing the arms 7 on the pivots 6 and jacks 11 swing the member 8 on the pivots 9. The frames 4 are mounted on a revolving platform to permit vehicle loading at the side as well as at the rear.
Patent GB-1099440-A (GB)
Title: Fluid pressure actuating mechanism for main and associated auxiliary switch contacts
IPC: H01H9/00
Filed: 1965-10-20
Abstract: 1,099,440. Fluid actuation of switches. ELEKTROTECHNICKE ZAVODY JULIA FUCIKA BRNO NARODNI PODNIK. Oct. 20, 1965 [Oct. 20, 1964], No. 44421/65. Heading H2B. Respective piston and cylinder mechanisms for actuating a main switch and an auxiliary switch for signalling the condition of the main switch are interconnected by ports arranged such that the open and closed conditions of the main switch cannot be signalled until it has completed its transition. The auxiliary switch is operated in two stages by two respective pistons, one of which has to be moved before actuation of the main switch can be effected and the other of which is not moved until the main switch has completed its operation, a transition condition being signalled by the movement of the first piston until the second piston is moved. The auxiliary switch comprises contacts 7 which are closed to indicate the open condition of main switch 10; contacts 9 which are closed to indicate transition; and contacts 8 which are closed to indicate that switch 10 is closed. These contacts are operated by a rocking lever 5 which is moved by pistons 3 and 4. To close the main switch 10 pressure is admitted via pipe 14 to move piston 4 causing lever 5 to open contacts 7 and in the end position of piston 4 the contacts 9 are closed and a port 22 opened to allow pressure to pass to the main switch cylinder 11. Piston 12 then closes switch 10 and in its end position uncovers port 23 which feeds pressure to piston 3, thereby completing the movement of lever 5 to open contacts 9 and close contacts 8, this action being possible due to lost motion 26 between lever 5 and piston 4. To open switch 10 pressure is admitted via pipe 15 and the same sequence of movements occurs in the reverse direction. In a modification (Figs. 4 to 6, not shown), both auxiliary switch pistons have lost motion connection with lever 5 and this enables the pistons to be identical. In another modification (Figs. 7 to 10, not shown), the pistons move in a part-circular path around a common axis and the second piston (44) is directly connected to the contact-operating shaft (45) with lost motion coupling (46, 52) to the first piston. In a fourth embodiment (Fig. 11, not shown) the contacts are moved rectilinearly by longitudinal movement of a rod (61) which pivotally carries a rocking lever (60) inter-coupling, with lost motion, two rectilinearly moving pistons (57, 58).
Patent GB-1161446-A (GB)
Title: Stable Ferrous Fumarate Suspension
Inventor: SERVRANCKX MAURICE
IPC: A61K31/295
Filed: 1967-09-29
Abstract: 1,161,446. Ferrous fumarate suspension. MOWATT & MOORE Ltd. 29 Sept., 1967, No. 44491/67. Heading ASB. A pharmaceutical suspension comprises from 4-12% ferrous fumarate of less than 325 mesh, 0.5-2.5% purified chondrus N.F., 0.1- 25% malt extract, 30-75% sugar and 0.1-5% sodium citrate, the percentages being weight by volume.
Patent GB-1411219-A (GB)
Title: Hydraulic stops for shock absorbers
IPC: F16F9/49
Filed: 1971-09-24
Abstract: 1411219 Shock absorbers with hydraulic end stops JONAS WOODHEAD Ltd 22 Dec 1972 [24 Sept 1971] 44669/71 Heading F2S The terminal portion of the stroke of a telescopic hydraulic shock absorber is damped. The shock absorber has first means 31 which, when the piston (not shown) approaches one of the ends 2 of the cylinder 1, closes off a first flow passage (36, 37 and the space containing a spring 32) which is open when the piston moves in that direction over the mid-portion of its stroke; and second means 20 for thereafter opening a second flow passage (36, 37, 17, 16) to afford flow in the same direction as through the first passage. The end of the contraction stroke is damped, the first and second flow passages leading from the cylinder below the piston to a conventional base valve (part shown 3, 4, 5) communicating with an annular reservoir (Fig. 1, not shown). As the piston approaches the base valve, it compresses a spring 34 which moves members 26, 28 and 31 down against the bias of a light spring 32 until the valve member 31 engages a seat 15 to close the first flow passage. Pressure below the piston then builds up until it lifts a valve element 20 to open the second flow passage to the base valve.
Patent GB-1426010-A (GB)
Title: Impact resistant panels
IPC: B32B17/10
Filed: 1973-09-26
Abstract: 1426010 Glass-plastics laminates GLAVERBEL-MECANIVER 26 Sept 1973 [29 Sept 1972] 45108/73 Heading B5N [Also in Divisions E1-E2] Impact-resistant panels wherein at least three sheets of vitreous (including vitreocrystalline) material are bonded by plastics interlayers are characterized in that (i) (a) a set of vitreous sheets of at least three different thicknesses are arranged in order of thickness or (b) a set of vitreous sheets of at least two different thicknesses are arranged in order of thickness and at least two of the bonding interlayers therebetween are of different thickness and are so arranged that the thinner or thinnest is nearer the first vitreous sheet of the set (as defined below), and in that (ii) at least the first sheet (i.e. starting from the highest thickness end) of the set is tempered. In (a) the arrangement of plastics interlayers specified in (b) may be adopted. The tempering may be thermal or chemical (using a molten KNO 3  bath), and all the vitreous sheets may be tempered. The plastics may be polyvinyl butyral (pvb) or polyurethane. The following thicknesses (mm) are specified in examples: (1) vitreous 9, 5, 5, 2; pvb all 0À76. (2) Vitreous 10, 5, 4, 3, 2; pvb 0À38, 0À76, 1À52, 2À28. (3) Vitreous 10, 5, 5, 4, 3; pvb all 0À38. (4) Vitreous 7, 7, 3; pvb 1À52, 2À28. The bonded vitreous sheets of the set may constitute a complete panel; or such a panel may be adhesively bonded by an aluminium spacer to a glazing unit (preferably a laminate of tempered vitreous sheets bonded by a pvb interlayer) with the resultant air space being dehydrated or may be bonded by a pvb interlayer to a polycarbonate or tempered vitreous layer carrying an electroconductive coating, e.g. vacuum-deposited gold. Alternatively such a coating may be present on the inner face of one of the vitreous layers of the set. The vitreous layers may be coloured or tinted and the panel may be flat or curved, and may be used as a bullet-proof enclosure wall or an aircraft or locomotive windscreen.
Patent GB-1275493-A (GB)
Title: Print hammer
IPC: B41J9/42
Filed: 1970-09-23
Abstract: 1275493 Selective printing NATIONAL CASH REGISTER CO 23 Sept 1970 [6 Oct 1969] 45244/70 Heading B6F The hammer body 28 of the hammer impression mechanism described in detail in Specification 1,275,495 is fabricated from nylon containing 40% glass fibres as a filter.
Patent GB-1191169-A (GB)
Title: Improved Sheet Feeding Mechanism
Inventor: DICKINSON CHARLES HILLINGDON
IPC: B65H5/06
Filed: 1967-10-05
Abstract: 1,191,169. Feeding sheets. TIMSONS Ltd. 15 Nov., 1968 [5 Oct., 1967], No. 45338/67. Heading B8R. Sheets S are retarded as they are conveyed between endless bands 1 and 2 to front stops 11 by engagement with the nip n of slower moving feed rollers 13 and 14. The nip is relieved as the front edge of a sheet arrives at the stops by the provision of an arcuate recessed portion, 13a, in the periphery of roller 13. The sheets may be fed from gripper cylinder 12.
Patent GB-1372501-A (GB)
Title: Process and apparatus for controlling dimensions in plastics extrusions
IPC: B29C48/08
Filed: 1972-10-03
Abstract: 1372501 Controlling thickness of foamed plastics extrusions OWENS-ILLINOIS Inc 3 Oct 1972 45551/72 Heading B5A [Also in Division G3]  In the production of a foamed thermoplastics sheet, e.g. of polystyrene, by extrusion either from a flat sheet die or, as in the described embodiment, by extrusion of a tube 30 which is slit by knives 34 at diametrically opposed locations 31, uniformity of thickness of the sheet transversely of its direction of advancement from the die is obtained by measuring the thickness at a number of locations spaced transversely across the advancing sheet, and either manually or automatically raising or lowering the temperature of the die lips, in areas forming the regions of the sheet at which the thickness are measured, respectively to increase or decrease the thickness of the sheet at the locations. The temperatures are controlled by a plurality of independently controlled heating and/or cooling heat exchangers circumferentially spaced around at least one die lip, and the heat exchange may be effected by a fluid of variable temperature, or flow rate, circulating through die passages by electric strip heaters, or as in the described embodiment by eight or more cartridge heaters 26. In the described embodiment, the die is heated upstream of the die lips by band heating elements 22, 23 and the outer die lip is also diametrically adjustable with respect to the inner lip by circumferentially spaced bolts, the cartridge heaters 26 being located in insulated metal blocks. The extruding tube 30 is expanded internally by pressure air supplied through a conduit 31, is cooled by a ring 32; drawn over a sizing mandrel 33; and the slit halves of the tube are each flattened in passage over rolls 35 to 39 to thickness measuring stations 40, 41 at each of which is located a number of thickness measuring devices 42, 45. Each of the devices 42 and 45 controls a heater 26 through a power source controller 43, and thickness indicator 44, and may comprise an electrical strain gauge, or a capacitance or beta radiation gauge. The devices 42, 45, may also be employed by averaging their output in an automatic control.