baber/WOPTO huggingface dataset:
Patent GB-636252-A (GB)
Title: Improvements in gun-loading mechanism
IPC: F41A9/26
Filed: 1946-08-19
Abstract: 636,252. Gun-loading appliances. VISCKERSARMSTRONGS, Ltd., and BRERETON, C. F. Aug. 19, 1946, No. 24633. [Class 92 (i)] Means for continuously loading heavy guns at all angles of elevation comprises a rounds carrier 10 with one or more tubular receivers for the rounds lying on the surface of a cone of semi-vertical angle 45 degrees, the carrier rotating about an axis inclined at 45 degrees to the gun's axis. The carrier receives the rounds in a direction in line with the gun trunnion axis, transports them to a loading position in line with the gun's axis and then returns to the round-receiving position. A second similar carrier 11 arranged symmetrically with the first and coacting therewith receives the empty cartridge cases and transports them to a discharge shoot. In the form shown, the rounds are fed by the hoist 19, Fig. 4, by way of a part-arcuate guide 20 to a position in which the top round is coaxial with the gun trunnions 2 where it is rammed by a rammer 21 into one of a number of tubular receivers 12 on a truncated conical carrier 10. The carrier then rotates on an inclined axis pin 5, Fig. 1, to a position in which the charged receiver is coaxial with the gun barrel where it is rammed into the breech by a ram 22 operated by a motor 23. Empty cartridge cases are ejected into receivers 13 on a similar conical carrier 11, the appropriate receiver 13 being brought into place behind the breech by rotation of the carrier after the round from the receiver 12 has been rammed and the carrier 10 rotated. The empty cases are removed from the receivers 13 and discharged to shoots 15 or 16. To permit the gun to be loaded continuously at all angles of elevation, the carriers are mounted on inclined axis pins 5, 6 on a frame 36, Fig. 1, extending from the gun cradle. The frame carries a motor 24 which drives the carriers through gearing leading to pinions such as 32 engaging circular racks on the carriers. The receivers 13 are shown slotted to receive a projection 44 on an endless chain 39 for moving the cases into the shoot 16. Specification 615,830 is referred to.
Patent GB-573950-A (GB)
Title: Improvements in floating platforms particularly for use in camouflaging stretches ofwater
IPC: F41H3/00
Filed: 1939-08-28
Abstract: 573,950. Launching platforms for aircraft ; camouflaging. UNDERWOOD, G. C. L. Aug. 28, 1939, No. 24704. [Class 20 (i)] [Also in Group XXXIII] Floating platforms which can be used for supporting camouflage material for obscuring stretches of water, such as a, Fig. 1, and also as landing platforms for aircraft comprise a number of rigid units b hinged together and supported above the surface of the water by floats. Each unit is of triangular construction and formed of bars k, Fig. 5, with a vertical bar l at one end attached to a float m, and each corner is provided with a hinging arrangement o, p whereby the units may be hinged together with spaces d between them. The first rows of units are provided each with three floats and to these are attached units with a single float, and the ends of the platform thus formed are filled in with units having two floats. The spaces enclosed may be of triangular or hexagonal shape. Larger units may have rigidly fixed to them smaller units of the same shape and the spaces between may be partially obscured by small similar units hinged to the larger units.
Patent GB-762713-A (GB)
Title: Process for the production of 3,5-dioxo-pyrazolidines
Filed: 1954-08-25
Abstract: 1,2 - Diphenyl - 3,5 - dioxo - pyrazolidine, which may contain a 4-alkyl substituent, is prepared by reacting a mixed dianhydride of malonic acid or an alkyl-substituted malonic acid with a monocarboxylic acid, and hydrazobenzene in which one or both phenyl groups may be substituted with an inert substituent, e.g. halogen atoms, alkyl and/or alkoxy groups such as alkyl or alkoxy groups containing 1 to 3 carbon atoms.  It is preferable to add a tertiary amine to the reaction mixture in an amount substantially sufficient to neutralize any dianhydride which does not react with the hydrazine reactant.  The reaction may be started at a low temperature, e.g. about 0 DEG  C., and thereafter the temperature is slowly raised to the boiling-point of the reaction mixture.  In the examples: 1,2-diphenyl-4-n-butyl-3,5-dioxo-pyrazolidine is prepared. Dianhydrides of malonic acid or an alkyl-substituted malonic acid and a monocarboxylic acid are prepared by reacting malonic acid or an alkyl-substituted malonic acid with the anhydride of the monocarboxylic acid, or by reacting a salt of malonic acid or an alkyl-substituted malonic acid, e.g. an alkali metal or tertiary amine salt, with the monocarboxylic acid halide.  In the examples the mixed dianhydride of n-butyl malonic acid and acetic acid is prepared by reacting n-butyl malonic acid and acetic anhydride, and by reacting disodium-n-butylmalonate and acetyl chloride in the presence of pyridine, the mixed dianhydride of malonic acid and butyric acid is prepared by reacting a mixture of di-sodium and di-potassium n-butylmalonate and butyryl chloride, and the mixed dianhydride of n-butyl malonic acid and benzoic acid is prepared by reacting disodium n-butylmalonate and benzoyl chloride.
Patent GB-518418-A (GB)
Title: Improvements in or relating to aircraft landing gear
IPC: B64C25/62
Filed: 1938-08-24
Abstract: 518,418. Aircraft landing-gear. VEREINIGTE DEUTSCHE METALLWERKE AKT. - GES., FAUDI, F., and TOENNIS, E. Aug. 24, 1938, No. 24926. [Class 4] The energy stored in the springing medium of aircraft landing-gear when stressed by the weight of the aircraft is utilized in stressing another springing system when the aircraft is lifted from the ground and the energy thus accumulated is employed for actuating aircraft parts, such as undercarriage retraction gear or flap operating gear. In one form a shock-absorbing strut comprises a cylinder b in which slides' a hollow piston rod a having an annular piston c. The space above the piston c contains compressed air serving as the springing medium while the air in the annular. space f below the piston absorbs recoil shocks. A packing ring d moves with the piston rod a, its movement being restricted by stops: A plunger z is adapted to enter the piston c causing air or other medium to be metered through slits or openings in the piston. When the strut is relieved of load the compressed air in space f . is available for operating a double-acting servo-motor consisting of a cylinder g with piston h. More than one servo-motor may be provided and pressure may be exerted on the piston through a liquid medium. The energy accumulator f may be separate from the shock strut. The springing medium may be constituted by steel springs or rubber springs and may be stressed through a mechanical, pneumatic or hydraulic transmission.
Patent GB-1497577-A (GB)
Title: Film-forming olefin polymer compositions
IPC: C08L23/16
Filed: 1975-06-11
Abstract: 1497577 Laminates IMPERIAL CHEMICAL INDUSTRIES Ltd 11 June 1976 [11 June 1975] 25011/75 Heading B5N [Also in Divisions B2 and C3] Multilayer heat-sealable products comprising a C 2-6  α-olefin polymer substrate film having bonded to at least one face thereof a film of a composition comprising (1) copolymer of 95-99À75% propylene with ethylene and (2) 41-90% of a C 4-10  α-olefin homopolymer or copolymer with up to 10% of a C 2-10  α-olefin, may be prepared by bonding preformed films with an adhesive or by co-extruding the substrate polymer and composition. The laminate or substrate polymer film may be biaxially stretched and heat set. In examples propylene/ ethylene copolymer/polybutene-1 blends and polypropylene are co-extruded to form polypropylene film having a film of the composition on both sides.
Patent GB-518543-A (GB)
Title: Improvements in or relating to the lasting of footwear
IPC: A43D21/18
Filed: 1938-08-26
Abstract: 518.543. Lasting shoes. MAYER, K., and HAUPT, R. Aug. 26, 1938, No. 25074. [Class 17 (i)] A pulling-over and tacking machine is modified for cement lasting by mounting wiping members on the tacking heads. The arms 3, previously carrying the tackers, are provided with means engaging a pair of wiping members 10, hinged together on a pivot 11 carried by the arm 3 at the toe end. The wipers are heated. The edges of the upper, lining and toe-puff, previously treated with adhesive. can thus be pulled over the lasted round the toe end at one operation.
Patent GB-741398-A (GB)
Title: Improvements relating to horizontal coke oven batteries
IPC: C10B41/02
Filed: 1953-09-10
Abstract: 741,398. Sliding bolts; multiple fastenings; fastenings operated from a distance. KOPPERS GES., H. Sept. 10, 1953 [Sept. 12, 1952], No. 25099/53. Class 44. [Also in Group XII] Apparatus controlling the sequence of operations in discharging a horizontal coke oven battery incorporating a coke pusher machine 24 and a coke guide machine 25, comprises pneumatically controlled mechanism for unlatching the appropriate doors 5 and for preventing operation of the pusher ram 26, until pneumatic connection is made between a compressor 29 on the coke guide machine 25 and a control member 35 on the coke pusher machine 24 via the appropriate pipe 9 extending over the battery 2 and associated with each oven chamber 1. Each pipe 9 is connected to a locking device 11 or 12 controlling the lowermost latch 10 of each door 5 and is also connected via a three-way cock 15 with a compressed air main 14. Each looking device comprises a housing 16, Fig. 2, enclosing a spring-pressed piston 17 formed with a spigot 20 normally holding the door latch 10 in a closed position. When the cock 15 is opened, air passing from the pipe 9 through a lateral port 22 in the housing 16 depresses the piston 17 against the action of the spring 18, releasing the latch 10. The doors are then removed by conventional doorhandling mechanism mounted on each machine. The ram motor control incorporates the compressor 29, a pressure cylinder 34 and a pipe 30 with a valve 48 mounted in the coke guide machine and making connection through an automatic coupling 32 with a branch pipe 43 extending from each pipe 9, and the control member 35, a switch 37, a ram motor relay 38 and a pipe 33 mounted on the coke pusher machine and making connection through an automatic coupling 31 with a branch pipe 42 extending from each pipe 9. The automatic couplings 31, 32 may be of the type described in Specification 701,355, [Group XII], and the pressure in the system is several times that in the air main 14. A non-return valve 44 in the connection 42 prevents passage of air when subject only to the pressure from the main 14. When the machines are correctly positioned, the automatic couplings 31, 32 complete the pneumatic circuit, the valve 48 is turned on, and the pressure in the system actuates the control member 35, the switch 37 and the relay 38, allowing the ram motor to be started, and also lighting a warning lamp 39 and giving an audible signal. Fig. 4 (not shown) discloses a mechanical door-locking system in which removal of the door on the coke pusher side releases a lever connected by a cable to a counterweighted latch holder on the coke guide side of the battery.
Patent GB-1317331-A (GB)
Title: Method of making a phosphorus glass passivated transistor
IPC: H01L21/316
Filed: 1970-05-26
Abstract: 1317331 Semi-conductor devices RCA CORPORATION 26 May 1970 [5 June 1969] 25160/70 Heading H1K The emitter of an NPN transistor is formed by a process including the deposition of a phosphosilicate glass on to a masking oxide layer having an aperture defining the emitter site, applying a protective coating and using a photoresist method to remove that portion of the phosphosilicate glass layer substantially aligned with the masking layer aperture. A P type Si wafer 14 having an N+ type surface layer 16 is provided with an N type layer 18 by epitaxial growth. An SiO 2  layer 22 is produced by oxidation, a window is formed and B is predeposited in an oxidizing atmosphere. The borosilicate glass layer (24), Fig. 1 (not shown), formed on the surfaces is removed and the wafer is heated in steam to drive-in the B to form the P type base region 26 and to form an oxide layer (28), Fig. 2 (not shown), in the window. Openings are formed in the oxide layers to expose the collector contact and emitter sites and a layer 34 of phosphosilicate glass is formed either by heating in an atmosphere of phosphorus and oxygen or by pyrolysis of silane and phosphine, N + type collector contact and emitter regions 36, 38 being formed by this process. A protective coating 40 of phosphorus doped SiO 2  is deposited by heating in silane and phosphine and annealing in oxygen to density the coating. The protective coating is treated with benzene sulphonic acid to prepare the surface for the application of a photoresist (42), Fig. 5 (not shown), which is exposed to a similar pattern to the collector contact and emitter diffusion openings. Precise size and alignment of openings is not required and the masked surface is etched to remove the phosphorus doped oxide layer 40 and the phosphosilicate glass layer 34 over the diffusion openings, the etchant being selected so that exposed parts of the thermal oxide layer 22 are not removed. A base contact window 48 is opened and emitter, base and collector electrodes 50, 52, 54 are applied.
Patent GB-665845-A (GB)
Title: Steam traps for locomotive steam drier drains
IPC: F16T1/06
Filed: 1948-09-27
Abstract: 665,845. Centrifugal separators. SCHIPPERS, J. F., and GORDON & CO., Ltd., J. Sept. 15, 1949. [Sept. 27, 1948] No. 25189/48. Class 23. [Also in Groups XIII and XXIX] When the blow down valve 121 of a steam trap (see Group XIII) of a locomotive steam drier is open, the pressure in a locomotive steam drier drain system forces a steam-condensate mixture tangentially into the upper cylindrical chamber 128 of a vortex separator 105 and during two stages of centrifugal separation the steam passes out at the top into the smoke stack of the locomotive and the water is ejected tangentially from the bottom chamber 129 through a drain outlet 131 on to the track.
Patent GB-1446509-A (GB)
Title: Method for manufacturing hollow conveyor screws for screw conveyor heat exchangers
IPC: B23P15/26
Filed: 1974-06-06
Abstract: 1446509 Making hollow conveyer screws for heat exchangers BAYER AG 6 June 1974 [6 June 1973] 25202/74 Heading B3A [Also in Divisions B8 and F4] A method of making a hollow conveyer screw 1, 21 for a screw conveyer heat exchanger having at least one screw thread comprises cutting a groove 4, 24 into the crest of the at least one screw thread, and joining the edges 5, 25 of the groove walls together with an impervious weld seam 6, 26. The groove can be covered by a profile 27 before welding and the seam can be machine finished by turning or grinding. The profile may be made of iron. The screw is formed at both ends with axial bores into which radial bores lead from the ends of the groove 4 as inlet and outlet for heat exchange fluid. Hollow shafted screws, Fig. 2, can be divided up into a plurality of heat exchanger sections by arranging several eccentric bores in the axial direction, interrupting the groove 24, and providing return channels, e.g. radial bores.
Patent GB-252311-A (GB)
Title: Improvements in or relating to paper making machinery
IPC: D21F1/54
Filed: 1925-10-13
Abstract: 252,311. Mead Pulp & Paper Co., (Assignees of Heisel, R. E.). May 25, 1925, [Convention date]. Deckle frame arrangements.-A paper-making machine, preferably of the Fourdrinier type, is provided with a stationary deckle which during the operation of the apparatus is spaced from the wire cloth, lateral spread of the pulp being prevented by fluid impinged upon the wire cloth 21 through apertures 52 in pipes 51 secured to the outer face of the deckle rail 30. The deckle rail 30 is preferably bevelled outwardly at an angle of approximately 45‹ to the wire cloth, and is mounted upon the side frame 34 of the machine by means of screws 35, 37 so that it can be adjusted vertically and laterally, a cranked handle 46 and bevel gearing 43 being provided for actuating the screws 37 simultaneously.
Patent GB-634289-A (GB)
Title: Improvements in toothed couplings
IPC: F16D23/10
Filed: 1946-12-05
Abstract: 634,289. Claw clutches and detents. SINCLAIR, H. Dec. 5, 1946, No. 25651. Divided out of 634,380. [Classes 80 (ii) and 80 (iv)] The subject-matter is the same as that of Specification 634,380, but the claims are directed to a single clutch or detent of general application, and claiming the feature that the rear faces 76 of the disengageable lock-splines 73 on the shaft are bevelled so that, in the unlocked condition the axial bias on the lock-sleeve (acting leftwards in Fig. 7) causes the lock-sleeve splines 74A to turn on the bevelled faces 76, thus causing the lock-sleeve to turn the intermediate member, screwing it axially along the shaft towards the engaging position. Take-up pawls may therefore be dispensed with, but are preferably provided. Specification 486,589 also is referred to.
Patent GB-908285-A (GB)
Title: A process for controlling an exothermic reaction
IPC: C08F2/02
Filed: 1959-07-27
Abstract: In a process for the copolymerization of olefins the monomer ratio, and hence the composition of the final copolymer, is maintained constant by the recycle of liquified monomer effluent as vapours from the reaction vessel.  The process may be used for simultaneous temperature control of the reaction, the withdrawn vapours being compressed, condensed and recycled.  Polymerization may be effected in bulk or in an inert hydrocarbon liquid, e.g. n-heptane.  Examples describe the copolymerization of ethylene and propylene in the presence of a catalyst formed from triisobutyl aluminium and vanadium tetrachloride, and apparatus suitable for carrying out the process of the invention is described and illustrated.  Specification 898,261 is referred to.
Patent GB-971939-A (GB)
IPC: A61M15/00
Filed: 1963-06-27
Abstract: 971,939. Centrifugal separators. H. HOGENKAMP, [trading as DR. HEINZ HOGENKAMP STROMUNGSBAU UND BAU VON HYDRODYNAMISCHEN ANLAGEN]. June 27, 1963 [July 11, 1962], No. 25671/63. Heading B2P. In a centrifugal separator for removing impurities from liquid-fibre suspensions for use in paper-making and comprising a vertical tube conically shaped at its lower end, a portion 3 of the tube is rotatable relative to other coaxial portions 2, 5 which, at their ends adjacent the portion 3, have a diameter equal to that of the portion 3. The latter is supported in roller bearings and is driven through belting by a variable speed electric motor. Vanes 4 are arranged at the entrance to the rotary portion to accelerate the suspension as it enters that portion. The suspension is fed by gravity or a pump through the inlet 1, the cleaned suspension being removed through a tube 6 and the impurities collecting in a box 7 from which they are continuously or periodically removed.
Patent GB-171364-A (GB)
Title: Improvements in laying-on apparatus for book-fastening machines
IPC: B42B2/00
Filed: 1921-09-28
Abstract: 171,364. Stõubli, Geb. Nov. 10, 1920, [Convention date]. Pusher feeds for single sheets; sheet guides and carriers.-A laying-on apparatus for book-stitching machines of the kind provided with a reciprocating work-table which moves laterally to receive the sheets, is constructed with a table of such a width that it can receive the sheets from the operator while the previously fed sheets are being sewn, these sheets being automatically transferred to the operative part of the table during its reciprocation. As shown in Fig. 2, one set of sheets is supported at the left side of a table 8 formed with sloping sides 9, 10, Fig. 3, over which the folded sheets are placed. While the sheets are being sewn by upper needles 38, 39 passing through a stitching bar 42, and by piercer needles 30, and a reciprocating bar 16 carrying a thread-looper 17, the operator lays another lot of sheets 44 on the right. hand end of the table 8. As the table moves to the right after the stitching operation a fixed stop 34 prevents the sheets 44 from moving and they are thus transferred to the front end of table 8. On the return of the table a stop 11, which is formed of a wedgeshape so that it can move under the sheets as the table moves to the right, engages the rear of the sheets and carries them forward to sewing position. An inclined surface 43 on the bar assists to position the sheets accurately on the table 8. The table 8 is supported in its operative position by lugs 36, 37. The movements of the parts of the machine are controlled by cams 4, 5, 6 on a shaft 3 driven through a treadle-operated clutch. The table 8 is reciprocated by a lever 31 and link 33 from the cam 6.
Patent GB-662613-A (GB)
Title: Photographic apparatus for recording theatre attendance
IPC: G03B15/08
Filed: 1949-10-07
Abstract: 662,613. Photo - cell - actuated apparatus. KAPLAN, J. J. Oct. 7, 1949, No. 25812/49. Class 40 (iii). [Also in Group XX] For recording the attendance at a motionpicture theatre or auditorium at a time when pictures are being projected from a film, a portion of the film is composed of a material which transmits light, such as polarized light or light of a particular wavelength, different from that transmitted by the remainder of the film, and a photo-electric cell, placed at any point where it will receive light from the projector, is adapted to respond to the light from this portion of the film and thereby energize a motor which operates a camera to photograph the audience. The photograph may be used to check the rental of the projected film when such is based on the attendance at the theatre. As shown schematically in Fig. 6, the recording apparatus C is located forwardly of the motionpicture screen S with the camera lens directed to the auditorium and is intended to produce a record as of Fig. 7. Photo-cell 90, Fig. 5, responds to light from a normal portion of film in the projector to energize solenoid 82 and hence operate switch 80, and photo-cell 100 screened as with light polarizing material or analyser 105 responds only to light from the special portion of the film to energize solenoid 83 and hence operate switch 81; with both switches operated solenoid 40 moves plunger 41 upwardly as shown to move lever 44 pivoted thereto and hence actuator rod 48 which depresses shutter lever 12 and simultaneously closes contacts 50, 51 of lamp 18, which lamp exposes data as at the lower part of Fig. 7 by use of a transparency stencil. When the special portion of the film has passed on through the projector, contact at switch 81 is broken and plunger 41 returns to its former position to close the shutter, extinguish lamp 18 and wind the camera film by operation of motor 55.
Patent GB-176407-A (GB)
Title: Improvements in or relating to motive-power engines, applicable also to pumps
IPC: F01B3/04
Filed: 1920-09-08
Abstract: 176,407. Olsen, S. D., and Olsen Engine Syndicate, Ltd. Sept. 8, 1920. Driving-gear; engines with main shaft parallel to axis of cylinder.-In fluid-pressure engines of the kind in which the cylinders are arranged around and parallel to the shaft, the pistons cooperating with a cam surface, a thrust takes place simultaneously in coaxial cylinders on opposite sides of a symmetrical cam so that the action is balanced. The cylinders a are arranged in coaxial pairs around the shaft d, to which is secured a cam e against which bears rollers c mounted on pins c<1> within the pistons b. The cylinders a are secured in casings f having a distributing casing h for the motive fluid, and, if necessary, water jackets j. The cylinders are formed with slots a<1> to accommodate the cam. The cam e may be formed with webs e<5> and may also be counterbalanced by a weight e<3> on its narrow side. The edges of the cam e may be recessed to accommodate the rollers c. The exhausts k of the cylinders of each group are connected by manifolds k<1> encircling the cylinders which may discharge into a common exhaust pipe k<2>. The covers of opposite cylinders are connected by tie-rods. The pistons may be withdrawn from the cylinders by rollers thereon running in grooves parallel to the edges of the cam.