baber/WOPTO huggingface dataset:
Patent GB-1075298-A (GB)
Title: Improvements in or relating to rock drill assemblies
IPC: E21B19/087
Filed: 1966-01-17
Abstract: 1,075,298. Percussive drills. GEBR. BOHLER & CO. A.G. Jan. 17, 1966 [Jan. 21, 1965], No. 2185/66. Heading B4C. A pneumatically-actuated percussive rock drill assembly comprises a drill 1 connected to a variable-length support 2 by an articulated joint 3 in which an air supply bore is formed, the controls 17, 33 for the drill and support being mounted close to the top of the drill. A rotary valve member (6, Figs. 2 and 3) is mounted in a tubular member (5) forming the pivot of the joint and is provided with a gear (7) meshing with a pinion (19) connected to a pivoted arm 18. The valve member (6) is formed with a port (102) adapted, when the arm is rotated by a lever 33, to communicate a compressed air feed (101) with passages (104), (105) leading to the rock drill. The air to the support is controlled by a valve member (16) rotatably mounted in an arm 15 the valve being rotated by a handle 17 so as to direct the air from the supply feed (101) to one or other side of a piston 21 in the support via various passages (114), (127), (154) in the arm 15 and ports (122), (115), (156), (161), (165) in the valve 16. If it is desired to lower the support rapidly, an exhaust valve (31), (32) may be actuated by a finger-operated plunger (30). In order to direct compressed air to the drill bit for flushing purposes, the valve (6) is rotated, by the lever 33, to a position in which air is fed to a cylinder housing a piston (35, Fig. 5), the piston having a stem (36) which abuts a ball valve (37). Upon opening the ball valve, a separate supply of air is fed through a pipe (38) and passages (180), (181), (183), (184) to a hole through the drill bit.
Patent GB-728472-A (GB)
Title: Portable gantry crane
IPC: B66C19/02
Filed: 1953-01-26
Abstract: 728,472. Vehicle jacks. NOBLE, J. D. Jan. 26, 1953 [May 29, 1952], No. 2201/53. Class 79(3). [Also in Group XXX] A portable and collapsable gantry crane comprises an elongated horizontally disposed bridge beam supported by a pair of towers and means pivotally connected to the opposite ends of the bridge beam and engaged with the towers for movement lengthwise thereof. The crane towers are pivoted to and nesting upon a cross beam having ground engaging wheels for transportation as a trailer and two adjustable ground engaging supports are lowered to support the crane independently of a tractor. The beam is adjusted to the horizontal by ground engaging screw jacks 58, Fig. 9, secured to the base of each tower and by extending outriggers 55, 56, which nest in compartments in the base, and a pivoted telescopic arm 59 each having adjustable screw jacks 57 and ground engaging feet- 18. In operation the cross beam is raised together with the wheels so that the crane is supported by the base of the towers and by the ground engaging feet.
Patent GB-399366-A (GB)
Title: Improvements in surgical dressings
IPC: A61F13/00
Filed: 1933-01-23
Abstract: 399,366. Surgical dressings ; medical capsules. LIEVRE, G. P., 25, Rue de Villejust, Paris. Jan. 23, 1933, No. 2205. Convention date, Jan. 21, 1932. [Classes 81 (i) and 81 (ii.)] A surgical dressing comprises a folded or rolled pad C in the thickness of which is a deformable, hermetically sealed pocket A containing an active substance such as an antiseptic or serum, the inner wall Z of the pocket being relatively weak so that it will tear on unrolling or unfolding. The pocket may be of rubber, rubberized fabric, waxed paper or fabric, or a cellulose derivative. The Specification as open to inspection under Sect. 91 comprises surgical dressings containing one or more receptacles adapted to be opened in any manner, for example by mechanical, physical, or chemical action. This subjectmatter does not appear in the Specification as accepted.
Patent GB-756974-A (GB)
Title: Improvements in or relating to power operated sliding doors or the like
IPC: B66B13/26
Filed: 1954-01-25
Abstract: 756,974. Door-operating apparatus EXPRESS LIFT CO., Ltd., and HEPPELL, W. A. Jan. 18, 1955 [Jan. 25, 1954], No. 2215/54. Drawings to Specification. Class 65 (1).. A power-operated sliding door is provided with an inertia member which moves with it during closing and which actuates control means to stop the movement if the door is abnormally decelerated, for example by meeting an obstruction. The arrangement may be used in conjunction with a sensitive door edge device. In the form described a pendulum is mounted on a knife-edge bearing on a baseplate adjustably mounted on the door so that the pendulum normally rests against a stop during the closing of the door and moves away from this stop to actuate a switch if the door is subjected to deceleration of more than a predetermined value. Specification 756,975 is referred to.
Patent GB-873530-A (GB)
Title: Fountain type lettering pen
IPC: B43K5/00
Filed: 1959-01-21
Abstract: 873,530. Reservoir pens. MILLER, J. Jan. 21, 1959, No. 2255/59. Class 146(3). In a lettering pen comprising a nib of the type that includes a flexible tongue overlying the writing blade and having a shoulder portion in combination with, a holder, the holder is constituted by a barrel for the reception of an ink cartridge and is connected to the nib by a coupling member, a feed tube having a piercing end extending through the coupling member from the cartridge to a point adjacent to the writing end of the nib. The barrel 5 has a main bore for the reception of an ink cartridge 24 having a rubber seal 25 at its front end and a compressible, bulb-like cap 26 at its rear end. A subsidiary bore 7 at the front end of the barrel is connected to the main bore by a narrow passage 11. A sleeve 14 having an arcuate extension 15 is screwed into the bore 7 and secures in the bore a collar 8 mounted on a feed tube 9 which extends through the sleeve 14 and passage 11 into the main bore of the barrel. The rear end of the tube 9 is, sharpened and when the cartridge 24 is inserted in the barrel, pierces the seal 25. The arcuate extension 15 of the sleeve 14 has flared outer portions 15a which are bent over on themselves to form grooves which receive the marginal portions of the shank 17 of a nib 18. The nib 18 has an overlying flexible tongue 19 secured thereto, which tongue is formed with a shoulder 20. A hole in the shoulder 20 is axially aligned with the bore of the sleeve 14 and with the passage 11 and the tube 9 passes therethrough to terminate at a position near the writing tip of the nib. Pressure on the bulb-like cap 26 at the rear end of the ink-cartridge urges a drop of ink down the feed-tube 9 to the writing tip of the nib. The cartridge 24 may be of glass or plastic and the parts 5, 9, 14, 15 are of a corrosion-resistent metal.
Patent GB-158261-A (GB)
Title: Door lock
IPC: E05B59/00
Filed: 1921-01-17
Abstract: 158,261. Zimmermann, V. May 6, 1918, [Convention date]. Void [Published under Sect. 91 of the Act]. Lock with bolt operated by latch handle; lock mechanism, slider-type; keyholes, obstructing.- In a door lock, a lever 19 shoots and retracts the bolt 16, which is blocked in its two positions by a sliding tumbler 15. Two key pins 11, 12 with slots 9, 10 are provided, one on each side of the lock, the pins preventing complete rotation of the key. A plate 25 slides on the pins so that when the key is inserted in the keyhole on one side, it blocks the keyhole on the other, preventing use of a picking-instrument. When the key is rotated, it lifts the tumbler 15, which slides on the bolt guides 13, 14, freeing the notch 51 from the projection 50. The key is checked when it has lifted the tumbler to its maximum height, by the tooth 17. The handle 7 is then turned to the left, whereupon its follower 22 pushes over the lever 19, pivoted at 20, to shoot the bolt. The withdrawal of the key allows the projection 50 to drop into the slot 53, locking the bolt in its operative position. To withdraw the bolt, the tumbler is raised by the key and the latch-bolt 5 retracted by the handle 7. whereupon a projection 23 on the latch-bolt pushes back the lever 19, withdrawing the bolt 16.
Patent GB-169122-A (GB)
Title: Shoe machine
IPC: A43D21/00
Filed: 1921-01-18
Abstract: 169,122. Strauss, S. Jan. 18, 1921. Lasting; special kinds of boots, machines for.-A shoe machine adapted to shape an upper without the use of a female die and to attach it, whilst on the last, to the sole comprises means for holding an upper blank and for pressing a last into it. The last 1 rests on a sole 4 on a removable platen 5 which can be raised or lowered by a screw 9 operated by bevel-gearing 14, 16 and a hand-wheel 20. The platen 5 in its raised position is accommodated in an opening 21 in a collar 22 removably mounted on standards 25 of the frame 11. An upper blank a is placed on the collar and gripped bv a yoke 26 having an opening 27. The yoke 26 can be raised or lowered by rods 30 pivoted to arms 33 operated through cranks 35, rock-shaft 36, and a lever, the yoke being held against shoulders 31 on the rods 30 by rubber or other resilient bushings 41. The yoke 26 has an endless groove 45 in its under face, adjacent the opening 27, in which is movably mounted a ring 46 carrying springs 48 which frictionally engage a lasting collar 47 having lasting members 60. The support 46 is normally held upward in the groove by springs 53 encircling pins 51. A plate 54 vertically adjustable through a screw 55 and wheel 59 is adapted to press down the pins 51 and cause the lasting- members 60 to penetrate the upper and sole. Excess of pressure on the plate 54 is indicated by compression of the bushings 41. In operation, the upper blank a is stretched over the opening 21 and gripped by the yoke 26 and the last placed in position on the sole 4. The platen 5 is raised until the marginal portion of the sole meets the flange 65 of the upper, which is now stretched over the last, when the plate 54 is lowered, driving the lasting members through the flange 65 and sole 4. On raising the plate 54 the springs 53 raise the pins 57 and ring 46, leaving the collar 47 attached to the shoe. The platen 5 is lowered and the shoe removed, and the flange 65 and sole 4 stitched together, the collar 47 forming a guide. The ankle and front slit are cut with the help of guide-grooves in the last, which can then be removed and the shoe finished.
Patent GB-676293-A (GB)
Title: Closure means for an artificial rectal opening
IPC: A61F2/00
Filed: 1949-01-28
Abstract: 676,293. Colostomy appliances. FRANKEN, J. Jan. 28, 1949 [Jan. 28, 1948], No. 2456/49. Class 81 (ii). A closure device for an artificial rectum comprises an inflatable rubber bladder connected by a tubular neck to a bottom plate which rests against the outside of the abdomen, the plate being provided with a recess against which an inflating means can be brought with sealing engagement. The base plate 4 has a neck 3 and semi-elastic tubular extension 2 enclosed in the neck of a rubber bladder 1. A spring-loaded ball valve 7 closes the air inlet 5a. After insertion, the bladder is inflated by means of a bulb fitted with a rubber nozzle which is pressed tightly against the recess in the plug 5. When it is desired to deflate the bladder the ball valve 7 is lifted off its seating by a narrow extension fitted to the inflating nozzle or by any other.thin rod. An alternative valve arrangement is also described with reference to Fig. 2 (not shown).
Patent GB-1141783-A (GB)
Title: Purification of olefin polymers
Inventor: DRUSCO GIOVANNI DI
IPC: C08F6/02
Filed: 1968-01-17
Abstract: 1,141,783. Purifying olefin polymers. MONTECATINI EDISON S.p.A. 17 Jan., 1968 [18 Jan., 1967], No. 2464/68. Heading C3P. Olefin polymers containing Ziegler-Nattatype catalyst residues are purified by washing the polymers with an aqueous solution of a solubilizing compound for the residues in the presence of a polymerizable monomer in the liquid state. The monomer is not a solvent for the polymer, but a solvent for the polymer which is insoluble in the aqueous phase may be present. The washing may also be effected in the presence of an oxidizing agent. The polymer may be polybutadiene, an ethylene-propylene copolymer, and an ethylene-propylene-non- conjugated cyclic or acyclic diene terpolymer. The solubilizing compound may be NaOH 3 HCl, CH 3 COOH, tartaric acid, gluconic acid or a salt thereof. The Specification contains a flow diagram of a continuous process for removing catalyst residues, and recovering the polymer, solvents, and liquid monomer.
Patent GB-535159-A (GB)
Title: Improvements in or relating to diascopic projection apparatus
IPC: G03B21/06
Filed: 1940-02-09
Abstract: 535,159. Optical-projection apparatus. KODAK, Ltd. Feb. 9, 1940, No. 2510. Convention date, Feb. 11, 1939. [Class 97 (i)] A projector for use with strip films includes a film gate comprising a pair of separable apertured plates 27, 28 with means for guiding the film between them, spindles 51 carried by the opposite ends of one of the plates, each provided with yieldable means for positioning and locking a film spool on it, together with a flange 50 fixed at one end of each spindle and a flange 54 carried by the spool for retaining the roll of film in position on the spool. As shown, the plates 27, 28 are hinged together at one edge by pins 72 mounted in lugs 66 on the plate 28 and passing into the plate 27, a hinged U-section clasp 47 holding the plates together at the opposite edge. The film strip 35 is guided at the edges between metal strips 33 secured to the plates, these strips also holding glass plates 36 covering the gate apertures. Plates 37 retain the glass plates in position and define the maximum gate opening, which may be adapted for image areas of other sizes by aperture plates 39 detachably held by screws 49. The hollow spool spindles 51 are carried by flanges 50 formed on opposite ends of the plate 28, each being provided internally with a U-spring 55 having bent ends 58 which pass through slots in the upper end of the spindle and engage a shoulder 60 formed in the bore of the spool 52, which is thus retained on the spindle. The end of the film is retained on the spool by passing it beneath a pin 68 extending from the flange 54 into a recess or fluting formed in the surface of the core. The film is fed by rotating the spool by means of the flange 54. The gate is removably held in an open-sided slot 25 in an enlarged part 24 at the rear of the lens barrel, in which it is supported and retained by a plate 77 which, after being pressed forwardly against a leaf spring 78 may be turned downwardly about pintles 80 to allow the gate to be removed. In order that images arranged either horizontally or vertically on the film may be projected in an upright position, the lens barrel is rotatable on the body of the projector, for which purpose a ring 91 secured to the latter is engaged by a U-section ring on the member 24 formed by an L-section plate 92 secured to a ring 84. A curved recess 95 in the base of the projector accommodates the lower film spool.
Patent GB-672342-A (GB)
Title: Improvements in or relating to extruding
IPC: B21C25/02
Filed: 1950-02-01
Abstract: In an extrusion process (see Group XXII) the starting product is a cast billet of an aluminium alloy containing 3.2 per cent Cu, 1.2 per cent Mg, 0.81 per cent Mn, 0.53 per cent Si, 0.59 per cent Fe and the remainder Al.  The extruded rods are cooled in air, heated to 490 DEG C. for 1 1/2 hours in an air furnace, quenched, aged for 5 days at room temperature and then subjected to a 1 per cent cold drawing.
Patent GB-1094467-A (GB)
Title: Catalytic hydrocracking
Inventor: EASTWOOD SYLVANDER CECIL
IPC: B01J29/06
Filed: 1966-01-20
Abstract: Hydrocarbons may be hydrocracked using a catalyst comprising a physical mixture of particles of a crystalline aluminosilicate component having a sodium content of less than 4% by weight, and optionally carrying a hydrogenation constituent, and a hydrogenation component comprising a major proportion of a porous support and a minor proportion of at least one hydrogenation constituent. Conditions are:  temperature between 600 DEG  and 950 DEG  F.; hydrogen partial pressure in the range 700 to 3000 p.s.i.g.; LHSV of hydrocarbon feed between 0.1 and 10; molar ratio of hydrogen to hydrocarbon feed between 2 and 80.  The feedstock may be gas oils, residual stocks, cycle stocks, whole topped crudes, heavy hydrocarbon fractions obtained by destructive hydrogenation of coal, tars, pitches, asphalts.  Examples relate to hydrocracking a pretreated 390 DEG  F. + gas oil fraction and a 650 DEG  - Tar Gas Oil.ALSO:A hydrocracking catalyst comprises a physical mixture of particles of (1) a crystalline aluminosilicate component having a sodium content of less than 4% by weight, and (2) a hydrogenation component comprising a predominant proportion of a porous support and a minor proportion of at least one hydrogenation constituent consisting of a metal of Group VI or VIII or an oxide or sulphide thereof.  The crystalline aluminosilicate component (1) may be zeolites X, Y or L, fanjasite or mordenite, and may be cation-exchanged with rare earth hydrogen, hydrogen precursor, calcium, manganese or magnesium ions. It may itself be combined with a hydrogenation constituent, for example Mo, Cr, W, Fe, Co, Ni, Pt, Pd, Os, Ir, Rh, Ru, their oxides or sulphides.  The hydrogenation component (2) may comprise sintered metal or glass, asbestos, silicon carbide, pumice, firebrick, diatomaceous earth, activated charcoal, refractory oxides, polyepoxides, polyamines, polyesters, vinyl resins, phenolics, amino resins, melamines, acrylics, alkyd or epoxy resins, inorganic gels, carrying as hydrogenation constituent Mo, Co, Cr, W, Fe, Ni, Pt group metals, their oxides or sulfieds.  Components (1) and (2) may be combined in weight ratio from 1:10 to 10:1.  Examples relate to catalysts which are mixtures of a cobalt-molybdena on REX crystalline aluminosilicate with silica-promoted cobalt-molybdena an alumina; REX crystalline alumino silicate with cobalt-molybdena on alumina; hydrogen-form aluminosilicate Y with cobalt-molybdena on alumina. The preparation of other components (1) and (2) is described.
Patent GB-854801-A (GB)
Title: Valve seat and valve closure seal
IPC: F16K1/46
Filed: 1959-01-26
Abstract: 854,801. Valves. ACF INDUSTRIES Inc. Jan. 26, 1959 [Jan. 30, 1958], No. 2725/59. Class 135. A valve closure seal in which a tapered female seat 24 coacts with a tapered male member 40 having an O-ring 50 in a groove 48 and a deformable band 58 encircling the ring and loosely held captive, e.g. by the arms of its L-section entering recesses 54, 56, whereby fluid enters behind the band to effect sealing between the band and seat and the band prevents displacement of the ring. The male member is provided with a stop shoulder 46 whereby the band is not compressed between the two valve members, and this stop may also act as a valve member. The wall 62 of recess 56 over the upper wall of recess 54 may be roughened to prevent sealing between the band and the male member. The male member may be balanced by being attached to a piston 38 sealingly slidable in the valve casing and having both faces exposed to downstream pressure via openings 70. The valve may be operated by a diaphragm.
Patent GB-926890-A (GB)
Title: Process for preparing polyhalomethanoindans and polyhalomethanoindenes
Inventor: SCHMERLING LOUIS
IPC: C07C17/30
Filed: 1961-01-24
Abstract: A process for preparing polyhalo-substituted tetrahydro-methanoindanes comprises subjecting a 3,5-dihalo-cyclopentene to a non-catalytic Diels-Alder condensation with a polyhalocyclopentadiene.  The diene may be any cyclopentadiene, including methyl-; ethyl-, dimethyl- and diethyl-cyclopentadienes, containing 2 or more chlorine or bromine substituents, but is preferably hexachlorocyclopentadiene.  The 3.5-dihalocyclopentene may be prepared by halogenating cyclopentadiene at -50-50 DEG C.  The condensation may take place batchwise or continuously by heating equimolecular amounts at a temperature of 50-250 DEG C., preferably 100-200 DEG C., for 0.5-10 hours, preferably for 6-8 hours, optionally in the presence of a solvent such as benzene or toluene.  The resulting condensate may be dehydrohalogenated to give the corresponding tetrahydro - methano - indene.  Examples describe the preparation of 1,3,4,5, 6,7,8,8-octachloro and octabromo - 3a, 4,7.7a-tetrahydro - 4,7-methano-indane.  The products are useful as insecticides (see Group VI).ALSO:Insecticidal and insect repellent compositions are prepared containing as active ingredient a Diels-Alder adduct of a 3,5-dihalocyclopentene and a polyhalocyclopentadiene, in particular 1,3,4,5,6,7,8,8- octachloro 3a,4,7,7a-tetrahydro - 4,7 - methano - indone and 3,4,5,6,7,8,8 - heptachloro-3a,4,7,7a - tetrahydro-4,7 - methano indene.  The compounds may be formulated with, for example, water, benzene, myricyl alcohol, dibutyl ether, kerosine, mineral oil or alcohols, esters or ketones in general together with the usual surfactants; paraffin-wax or beeswax; or gaseous diluents such as propane, butane or "Freons" (Registered Trade Mark).  The compounds mentioned above are also formulated in a sugar solution and used as a poison bait for house flies and in oil in water emulsion.
Patent GB-118388-A (GB)
Title: Improvements in Reinforced Concrete Sleepers and like Supports.
Inventor: SAYER ROBERT COOKE
IPC: E01B3/32
Filed: 1918-02-18
Abstract: 118,388. Sayer, R. C. Feb. 18, 1918. Sleepers, composite.-A concrete railway sleeper is 'reinforced by chains which are connected to form a lattice-work skeleton as shown in plan in Fig. 4. To reduce weight for transit, the concrete body is formed beneath with spaces b, d which are subsequently filled in with concrete when the sleeper is being laid. The bolts c by which the rails are secured are tubular and provided with screwed caps c<5>, and the concrete grouting is tamped through them and through holes e to form the foundation and fill the spaces b, d. The spaces b are provided with covers a<2>, and the grouting enters the spaces through holes c<4> in the tubular bolts. Instead of the closed chambers formed by the spaces b and covers a<2>, the end portions of the sleeper may be open and the body cast with tubes or sockets through which are passed the bolts c. The removable caps c<5> admit of regrouting if the foundations sink.
Patent GB-489419-A (GB)
Title: Screw stopper holding device
IPC: B67B3/20
Filed: 1938-01-29
Abstract: 489,419. Applying screw-stoppers to bottles. MEADOWCROFT & SON, Ltd., W., and MEADOWCROFT, W. Jan. 29, 1938, No. 2854. [Class 125 (ii)] A screw-stoppering machine has gravity-controlled supporting devices which support the stopper centrally in relation to a screwing device and are released by the bottle mouth preparatory to the screwing operation. The hollow plunger A has a rubber pad B to engage the head of the stopper C. The plunger works in a bearing D on the bracket E and the collar F limits its downward movement. The clutch member J supported by bearings K, L can rotate but cannot move axially and it forms a slide for the plunger. The upper clutch member 0 is held by the spring S in engagement with the friction disc N on the member J and is rotated by means of a Bowden wire or other flexible drive. A tubu. lar bottle guide U is fixed to the bracket E and has slots for the passage of hinged stopper supports V with ledges v<1> upon which the head of the stopper rests. Paralle guides X are arranged at the side and the stopper C slides along these until it is held ir the central position by the supports V. The insertion of the bottle opens the supports lifts the stopper and puts it into engagement with the rubber pad B so that it can be screwed home. Specifications 483,318, 483,472, and 483,645 are referred to.