baber/WOPTO huggingface dataset:
Patent GB-987769-A (GB)
Title: Foamed polymers and process for preparing same
IPC: C08J9/00
Filed: 1962-05-10
Abstract: A foamable thermoplastic polymer composition comprises a free-flowing uniform blend of (a) large thermoplastic polymer particles having an average particle size of at least 500 microns, and (b) finely-divided thermoplastic polymer particles having an average particle size of less than 100 microns and having associated therewith a volatile organic foaming agent in the amount of 10 to 50% by weight, the volatile organic foaming agent being a non-reactive organic compound which has only a slight solvent action on the large thermoplastic polymer particles and the finely divided thermoplastic polymer particles and has an atmospheric boiling point in the range -10 DEG to 80 DEG  C., or a mixture consisting predominantly of a said organic compound with a small amount of an organic compound having a solvent action on the thermoplastic polymer particles, the proportions of foaming agent being 5 to 12% of the total weight of foaming agent and thermoplastic polymer particles present.  The larger particles preferably have an average size of 700 to 1500 and the smaller are preferably less than 5 microns, e.g. from 0.01 to 5 microns (such as spray-dried polymer latex).  The compositions can be prepared by blending finely divided particles containing foaming agent with the larger particles or by simultaneously blending the mixed particles with foaming agent.  Polymers specified include cellulose ethers and esters and homo- and interpolymers of vinylidene compounds, such as halides, esters, olefins, ethers, acids, amides and vinyl aromatic compounds. Blends such as those of styrene polymers with natural and synthetic rubber and graft copolymers of styrene, with or without acrylonitrile on a rubber diene polymer can be used.  Specified foaming agents are aliphatic, hydrocarbons, alkyl halides, perchlorofluorohydrocarbons, aliphatic amines, aliphatic ethers and acetaldehyde.  The compositions are converted to foamed material by extrusion at 250 DEG  to 400 DEG  F. with a pressure inside the die greater than 150 p.s.i.  In Example (1) blends are prepared of spray-dried polystyrene latex (particle size 0.01 to 1 micron) blended with pentane, polystyrene particles of size 700 to 1000 microns and calcium silicate.  In similar examples there are used (3) a blend of acetone and pentane as foaming agent; (4) polyvinyl chloride latex particles (0.1 to 2 microns) and suspension polymerized P.V.C. particles (700 to 1000 microns); (5) P.V.C. particles (0.1 to 2 microns) and styrene-acrylonitrile interpolymer particles (700 to 1000 microns).
Patent GB-1097840-A (GB)
Title: Improvements relating to motorised mowers
IPC: A01D34/47
Filed: 1965-04-29
Abstract: 1,097,840. Mowers. R. J. CUSTANCE. April 29, 1965 [Nov. 10, 1964], No. 18141/65. Heading A1F. A mower comprises a body 6 supported on four ground wheels, viz. front wheels 11 and rear wheels 12, and carrying a cutter unit and a motor 9 which drives both the cutter and the wheels, the two wheels 11, 12 on each side of the mower being driven through a friction roller 44 which rests on and between the wheels. The rollers 44 are carried on a shaft 42 extending through a bearing tube 41<SP>1</SP> interconnecting side arms 40 adapted to pivot about bolts 39, 41 under the action of tension springs to bring the rollers 44 into contact with the wheels. Backwards or downwards movement of the mower handle causes its ends 16 to slide in channel 52 thereby swinging the assembly 40, 41, 42 and 44 upwardly to disengage the rollers from the wheels. The cutter unit may comprise a cutter reel mounted between the front ground wheels or a reciprocating cutter. A grass box may be located in the space behind the cutter reel. The motor 9 is an electric motor or I.C. engine.
Patent GB-514545-A (GB)
Title: Improvements in or relating to the mounting of foot-supporting pads in boots and shoes
IPC: A43B7/22
Filed: 1938-06-18
Abstract: 514,545. Foot-arch supports. JEFFRIES, C. W., and PADMORE & BARNES, Ltd., June 18, 1938, No. 18154. [Classes 17 (ii) and 17 (iii)] To position a foot-supporting pad in a shoe the insole is formed to receive the pad at any one of a number of possible positions and a foot-support has corresponding means to indicate thereon in relation to a foot placed thereon positions for the pad, whereby a selected position may be read from the foot support and a pad approximately secured in the shoe. The foot support may comprise a slide 27 in guides having a heel rest 29, the position of the slide being indicated by a pointer 30 co-operating with a size scale. A group of holes 32 may receive in various positions a pair of pegs 13 carried by a metatarsal arch support. The insole has an identical group of holes 19. The slide is extended to the size of the foot, and the foot placed on the slide. An arch support is then positioned to suit the foot and the foot removed. The pad is then detached from the slide and attached to the insole in the position which was found correct on the slide.
Patent GB-227141-A (GB)
Title: Improvements in detachable blades for airscrews and the like
IPC: B64C11/24
Filed: 1923-07-13
Abstract: 227,141. Leitner, H. July 13, 1923. Screw propellers.-Hollow metal screw propeller blades are formed on one or both faces with one or more longitudinal corrugations for preventing distortion during manufacture and for stiffening the blades. The corrugations h in the driving face b, Figs. 1 and 4, of a hollow metal propeller are shaped to fall within the general contour of the section. Towards the root additional stiffening is provided by laminat'ions d, or alternatively taper gauge pla.te is employed. The plates may be stiffened by a nut k, Fig. 6, passing through a tube l and washers m, n. Alternatively a box girder m<1>, Fig. 7, is placed with two sides in contact with the faces and secured thereto by rivets n<1>, or by brazing or welding. Specifications 4068/15, 167,210, and 215,156 are referred to.
Patent GB-178368-A (GB)
Title: Improvements relating to ferro-concrete
IPC: E04C5/03
Filed: 1921-07-05
Abstract: 178,368. Myles, P. J. July 5, 1921. Reinforced concrete.-One or more strands of a wire rope or cable are removed and the remaining portion of rope is used as a reinforcement for concrete which binds into the spiral grooves. Old winding ropes from collieries and suspension cableways may be used; the reinforcement may be arranged as coils for chimney construction, or otherwise, and the strands removed may be utilized to produce further ropes for reinforcing concrete.
Patent GB-182492-A (GB)
Title: Improvements in self-centring chucks
IPC: B23B31/16
Filed: 1922-07-03
Abstract: 182,492. Bech, F. July 1, 1921, [Convention date]. Chucks. - Jaws foi self-centring chucks are rendered adjustable for wear by providing the usual stepped jaw 1 with a similarly-shaped central portion 2 moved by means of an eccentric. The portion 2 is guided by a cylindrical rib 3, and is provided with a slot 9 engaged by an eccentric 8 formed integral with a bolt 4. The latter is provided with a circular head 5 and a similarly shaped nut, both being recessed into the jaw, and adjustment and locking is effected by means of a spanner engaging holes 7 in the head and nut.
Patent GB-860129-A (GB)
Title: Improvements in and relating to means for cartoning flexible bags of liquid
IPC: B65D77/06
Filed: 1956-06-13
Abstract: 860,129. Lined cartons. CROWTHER, H. A. H. June 13, 1957 [June 13, 1956], No. 18302/56. Class 18. A carton contains a liquid holding flexible bag 1 having a pouring nozzle 2 which passes through a wall 5 of the carton and is externally closured by a resilient plug 4a having a thin end portion 4c and an elastic skirt 4b which can be swung around a flange 3 of the plug. The nozzle 2 is passed through a circular aperture 4 in a sloping area 15 of the front wall F of the rectangular carton. Hand or finger openings 8 may be formed by incisions 5 in opposing sides of the carton and the carton may be formed from a blank of sandwiched corrugated paper the top wall T providing three superposed layers 11, 16 and 19 whilst the bottom comprises two superposed layers. A strip of plastic material may extend down the front wall F of the carton for protection during the pouring of the liquid. Specification 470,720 is referred to.
Patent GB-1105524-A (GB)
Title: Improvements in or relating to safety devices for road vehicles
IPC: B60Q11/00
Filed: 1964-05-01
Abstract: 1,105,524. Lamp failure alarms. A. H. CUDDON-FLETCHER. 30 April, 1965 [1 May, 1964], No. 18310/64. Heading G4N. A system for indicating failure of one or more of a number of parallel connected brake lights 1 comprises a parallel arrangement of a resistor 4. and indicator lamp 3 inserted in series with the brake light supply.
Patent GB-461531-A (GB)
Title: Improvements in and relating to control arrangements for the feed motion in lathes
IPC: B23Q5/18
Filed: 1936-07-02
Abstract: 461,531. Lathes. PITTLER WERK ZEUGMASCHINEN - FABRIK AKT. - GES July 2, 1936, No. 18414. Convention date Jan. 16. [Class 83 (iii)] An arrangement for controlling two ranges of feed motions in a lathe by means of a single hand wheel, comprises two control drums connected by double bevel gearing such thai the control drum for setting the individua feed motions within each range executes two complete rotations for each rotation of th( control drum effecting the change from one range to the other. The hand wheel 42 arranged to control the longitudinal feed o: a turret slide 37 and the rotation of the vertical turret when this is used for facing, is con nected by bevel gears 45, 46 having a ratio of 2 : 1 to rotate cam drums 38, 39 in the inverse ratio. Cam grooves on the latter are engaged by projections on the sliding fork; 40, 41 which move the groups of cluster gear; 3, 5 and 7, 9; 11, 13; 15, 17. Twelve speec changes are thus obtained from the driving shaft 1, by rotation of the hand wheel 42 .the six speeds of the gear train 7-18 being used twice, once with the gear pair 2, 3 and then with the pair 4, 5 in engagement. An indicator is fitted to the shaft carrying the cam drum 38 or may be fitted to the hand wheel 42. The drive for the longitudinal feed is derived from the shaft 19 through a reversing gear 54, spur wheels 30, 31, worm and rack-and-pinion gearing 32-36. The surfacing feed is obtained by spur gears 20-22 a coupling 53 and bevel and worm gears.
Patent GB-295809-A (GB)
Title: Improvements in or relating to suspenders for socks and the like
IPC: A41F11/16
Filed: 1927-07-11
Abstract: 295,809. Rigold, E. E. July 11, 1927. Sock-suspenders.-In a sock-suspender, a single continuous strap 1 is attached to a fastening attachment 7 comprising a plate with three slots 4, 5, 6 and a, horned part 10 pointing upwardly when in use. The band passes from the sock grip first through the horizontal slot 4, then through the inclined slot 5, and finally through the vertical slot 6 and around the leg to the horned part 10.
Patent GB-1530748-A (GB)
Title: Limulus lysate turbidity test for pyrogens
IPC: G01N33/579
Filed: 1977-05-03
Abstract: 1530748 Detection of endotoxin WORTHINGTON BIOCHEMICAL CORP 3 May 1977 18469/77 Heading G1B A composition for use in detecting endotoxin in aqueous liquid comprises an optionally lyophilized aqueous lysate of washed ameboryte cells from the blood of the horseshoe ends, buffered at a pH between 6À5 and 6À8 and at a concentration such that 1ml of the lysate is reactive with 0À1 ml of a 1mg per ml endotoxin solution to develop upon incubation for 60 minutes at 37‹C turbidity that imparts absorbancy between 0À07 and 0À2 at 360nm. The buffer may be "pipes" (1,4-piperazine bis- (ethane sulphuric acid)) buffer and-or phosphate buffer.
Patent GB-1067333-A (GB)
Title: Thermoelectric apparatus
IPC: H01L35/08
Filed: 1965-05-03
Abstract: 1,067,333. Thermoelectric devices. CAMBRIDGE THERMIONIC CORPORATION. May 3, 1965 [May 1, 1964], No. 18475/65. Heading H1K. In manufacturing a support carrying conductive thermojunction members for incorporation in a thermocouple assembly, the support is first covered with an insulating cement, then grains of hard insulating material are embedded in the cement so as to protrude therefrom and thermojunction members applied in such a way that they are keyed to the grains. In a typical arrangement the support plate is of alumina, beryllia, anodized aluminium, copper, or beryllium copper. Epoxy resin is applied to it and grains of alumina, silicon carbide, glass or quartz embedded in it by means of an air gun. After hardening the resin thermojunction members 16 (Fig. 1), e.g. of copper, silver or nickel are flame sprayed on in any desired pattern through a stencil and are then tinned. Tinned P and N thermoelements of bismuth telluride or lead telluride are then soldered between the support plate and a similar plate with a corresponding pattern of thermojunction members to provide a series connected assembly. Finally, leads 27 and 28 are attached to the terminal thermojunction members.
Patent GB-974586-A (GB)
Title: Toothed wheel or pulley
IPC: F16H55/00
Filed: 1963-05-10
Abstract: 974,586. Securing wheels on hubs. A. A. BURRELL. May 10, 1963, No. 18501/63. Heading F2U. A sprocket wheel, spur gear or pulley B, splined at 16 on a reduced diameter end 9 of a hub A, is axially retained, against a shoulder on the hub, by set screws 18. The spline teeth 16 may be formed as shown in the bore of the sprocket wheel B or, for small wheels (Fig. 5, not shown), in a recess at one end thereof. The hub A may be formed with two sets of alternately spaced plain and threaded apertures whereby the set screws can be screwed into the hub or wheel for the fitting of a large or small wheel respectively.
Patent GB-477554-A (GB)
Title: Improvements in electric protective arrangements
IPC: H02H7/22
Filed: 1936-07-03
Abstract: 477,554. Protective cut-out systems. BRITISH THOMSON-HOUSTON CO., Ltd., and GOODALL, J. M. July 3, 1936, No. 18565. [Class 38 (v)] A bus-bar protective system involving differential protective arrangements (in which the operating winding of a relay is connected to the parallel-connected secondaries of current transformers, the primaries of which are in the incoming and outgoing conductors connected to the busbars), or earth - leakage arrangements (in which the switchgear frames are lightly insulated from earth, and connected to an earthed bar, the connection including a current transformer energizing a relay), has in addition the contacts of the out-ofbalance relay, or earth-leakage relay, respectively, connected in series with the contacts of a relay having its operating winding energized by a current transformer T in the neutral-to-earth connection G of the generator C supplying the bars. As applied to a duplicate bus-bar system A, B with differential protection, and having feeders D1 ... D3 and a bus-bar coupler E, the parallel-connected secondaries H1, H2 are connected to bus-bars K1, K2 as shown, so that, on fault, current will flow to one or other or both relays R1, R2, energizing the tripping bus-bars F1, F2 and opening the breakers connected to either or both bus-bars. The contacts of R1, R2 are in series with contacts of relay R3 in the connection G which also carries the fault current. By crossconnecting the secondaries associated with the coupler E and with the breaker connecting adjacent sections, the coupler-breaker and sectionalizing-breaker are included in the area of protection. The breaker - positions are indicated by crosses on the drawing.
Patent GB-972051-A (GB)
Title: Improvements in or relating to cushion supports
Inventor: GRIMSHAW NORMAN
IPC: A47C7/20
Filed: 1962-05-15
Abstract: 972,051. Cushion supports. VITAFOAM Ltd. May 14, 1963 [May 15, 1962], No. 18570/62. Heading A4M. A cushion support comprising at least one resilient member moulded from a material which will flow when subjected to heat and pressure and which will be resilient when cold, e.g. a resilient thermoplastic material, or a rubber compound, has moulded integral with the member, metal clips 20 or rods whereby it may be attached to a frame, and adjusting means by which the tension of the cushion support may be varied. The resilient cushion support may comprise either a rectangular part 11 as shown or several separate strips (Fig. 13 not shown). The cushion support may be secured by hooks 18, engaging the metal clips 20 or rods, Fig. 2, to a channel or angle sectioned bar 13 which is in turn secured to the frame 10 by a screw 12 and nuts 15, 16, the tension of the support being varied by adjusting the screw and nuts. The adjusting means may comprise internally threaded tubes co-operating with threaded rods connected directly between the cushion support and the frame 10. Alternatively, a tubular frame 58, 59, Fig. 14, may be directly connected to the cushion support by hooks and the tension of the cushion support varied by adjusting the length of the frame. This may be done by connecting two externally threaded ends 60, 61 to an internally threaded connector 62, or, Fig. 15, by allowing a ratchet bar 63, secured to frame part 58, to co-operate with a ratchet wheel 64 mounted in a housing 65 on an adjacent frame part 59.
Patent GB-129742-A (GB)
Title: Improvements in or relating to Apparatus for Measuring the Angle of Depression of a Distant Object.
Inventor: SPENCER MAXIMILIAN HAROLD
IPC: G01C5/00
Filed: 1917-12-15
Abstract: 129,742. Spencer, M. H. Dec. 15, 1917. Clinometers. - Apparatus for use from a captive balloon for measuring the angle of depression of a distant object, whereby the range may be readily calculated, comprises a pendulum geared to suitable scales and carried by field glasses or other sighting-instrument in such manner that it is free to move in a plane parallel to the optical axis and can also maintain a vertical position when the instrument is tilted sideways. In the form shown in Figs. 1 and 2, the pendulum 1 is carried by a bulkhead 3 at the top of a casing 4 containing a viscous liquid such as glycerine or castor oil, and is attached to quadrants 7, 16 geared respectively to circular scales 13, 14 divided into minutes and degrees. The pendulum is normally locked by spring-pressed friction pads 20, but. may be freed by pressure on a button 21. The casing 4 is slung by gimbals 5 to brackets on the casing of the binoculars, and its cover 17 is provided with an observation window 19. Readings may be reflected into the eyepiece of the binoculars by a prism 33, Fig. 5, mounted in a casing 35 connected to the observation window 19 by a transparent or other bellows 36. The prism 34 of the binoculars is shortened so as not to intersect rays from the prism 33. In a modification, the pendulum is normally locked by a sleeve engaging the pendulum bob and controlled from a press-button by a system of levers.
Patent GB-1095776-A (GB)
Title: Manufacture of polymer compositions
Inventor: PALMER MICHAEL JOHN
IPC: C08J3/215
Filed: 1964-05-06
Abstract: A polymer composition is prepared by forming a solution of the polymer in an organic solvent therefor, mixing a reinforcing filler with an organic solvent for the polymer with a high degree of shear to produce a dispersion of the filler in the solvent and mixing this dispersion with the solution of polymer.  By high degree of shear is meant mixing so that work is done on the mixture at a rate of at least 9 watts until the total amount of work done on the mixture is at least 7.5 joules per c.c. of the mixture. Specified polymers are natural and synthetic rubbers, specified solvents are aliphatic and aromatic hydrocarbons and chlorinated hydrocarbons while carbon black, silica, calcium silicate and aluminium silicate are specified reinforcing fillers. The usual compounding agents may also be present.
Patent GB-634810-A (GB)
Title: Improvements relating to gramophone records and materials for the manufacture thereof
IPC: C08J5/18
Filed: 1947-07-16
Abstract: A gramophone record is manufactured from a material comprising shellac as a thermoplastic ingredient and a bituminous substance which is not a coal tar derivative.  The bituminous substance may be a natural bitumen such as that known as "Gilsonite" (Registered Trade Mark) or may be derived from the refining of petroleum oils such as substances known as "Iranolins" (Registered Trade Mark) and is said to prevent the separation of wax from the shellac during record manufacture thereby avoiding stains.  Examples of composition comprising shellac, pitch, carbon black, slate powder, congo gum, rosin, and copal are given, the bituminous substance being added to provide one per cent or less by weight of the material.
Patent GB-1117077-A (GB)
Title: Extruded planks for wall coverings
Inventor: COLOMBO ROBERTO
IPC: E04F13/18
Filed: 1967-04-25
Abstract: 1,117,077. Facing units for walls. LAVORAZIONE MATERIE PLASTICHE, L.M.P., S.p.A. 25 April, 1967, No. 18949/67. Heading E1B. An extruded P.V.C. plank 12 for wall coverings comprises two foot sections 16 and 18 of differing widths and two bridge sections 17 and 19, the bridge section 19 having an inturned flange 26 to engage in a hook arm 31 on the foot sections 16 of an adjacent plank. The planks which are provided with ornamental grooves 35 are secured to wall 11 by nails N passing through the foot section 16.
Patent GB-281744-A (GB)
Title: A photographic slide or holder and an adapter for exposing plates or flat films
IPC: G03B17/26
Filed: 1926-08-07
Abstract: 281,744. Archer, C. Aug. 7, 1926. Dark-slides.-The shutter E of a dark-slide is made of flexible material such as celluloid, and is provided with a stop F that engages the top edge of the opening in the adapter A to prevent its complete withdrawal. The shutter is bent back over the door B and held bv a catch or hook engaging an eye G. A flat spring C presses the slide against the adapter, and a projecting end of the spring prevents withdrawal of the slide when the shutter is moved.
Patent GB-1316295-A (GB)
Title: Power-assisted steering arrangement for vehicles
IPC: B62D5/24
Filed: 1970-08-06
Abstract: 1316295 Power steering DAIMLER-BENZ A G 6 Aug 1970 [8 Aug 1969] 19681/72 Divided out of 1316293 Heading B7H In a power assisted vehicle steering system having a steering nut 413 rotatable but not axially displaceable in a cavity in a piston 412 and engageable with an axially fixed worm 415 with a rocker shaft 417 in driving connection with the piston and a control slide valve 421 co-operating with the nut 413, the worm 415 is supported in the end face 471 of the housing 410 and a central opening 472 in the piston 412 is sealed by a screw cover 473. A cavity 428 passing through piston 412 accommodates the nut 413 which has a finger 435 for operating the valve 421. The worm 415 is supported in the piston 412 at its end remote from the shaft bearing in the end face 471, by way of a ball circuit 414, the nut and an oblique contact bearing 413a.