baber/WOPTO huggingface dataset:
Patent GB-977929-A (GB)
Title: Improvements in products of plastic and rubber and in their manufacture
IPC: C08J9/42
Filed: 1963-02-15
Abstract: A rubber-impregnated plastic foam is obtained by soaking a preformed body of foamed polyurethane or polyvinyl plastic in a bath of a rubber latex composition or spraying or brushing the foamed plastic with the latex composition which contains a sulphur vulcanizing agent comprising 1 to 3% of sulphur based on the dry weight of the rubber component, the latex composition being introduced into the foamed plastic in an amount such that the weight ratio of rubber to plastic in the composite material is within the range from 2:1 to 5:1, drying the latex -soaked material and vulcanizing at a temperature of at least 100 DEG C. for not more than 70 minutes to establish cross-linking bridges of sulphur between the rubber component and the plastic component. The latex may be derived from natural rubber or synthetic rubbers based on butadiene, styrenebutadiene, isoprene and/or chloroprene.  An anticoagulant such as sodium lauryl sulphate may be incorporated in the latex or used to impregnate the plastic prior to latex treatment. Polyurethane plastics may be exposed to the action of difluorodichloromethane or monofluorotrichloromethane before soaking, e.g. in the foaming stage.  Fire retarding agents such as sodium, potassium or ammonium phosphates may be added. Products with unimpregnated cores may be prepared.ALSO:A fire-proofed plastic foam is obtained by soaking a preformed body of foamed polyurethane or polyvinyl plastic in a bath of a rubber latex composition or spraying or brushing the foamed plastic with the latex composition which contains a sulphur vulcanising agent comprising 1 to 3% of sulphur based on the dry weight of the rubber component, the latex composition being introduced into the foamed plastic in an amount such that the weight ratio of rubber to plastic in the composite material is within the range from 2 : 1 to 5 : 1, drying the latex-soaked material and vulcanising at a temperature of at least 100 DEG C. for not more than 70 minutes to establish cross-linking bridges of of sulphur between the rubber component and the plastic component. The latex may be derived from natural rubber or synthetic rubbers based on butadiene, styrene-butadiene, isoprene and/or chloroprene.  An anticoagulant such as sodium lauryl sulphate may be incorporated in the latex or used to impregnate the plastic prior to latex treatment.  Polyurethane plastics may be exposed to the action of difluorodichloromethane or monofluorotrichloromethane before soaking, e.g. in the foaming stage.  Fire retarding agents such as sodium, potassium or ammonium phosphates may be added. Products with unimpregnated cores may be prepared.
Patent GB-1095158-A (GB)
Title: Apparatus for the closing of packages
IPC: B65B51/06
Filed: 1965-02-15
Abstract: 1,095,158. Package taping machines. UNIVERSUM-VERPACKUNGS G.m.b.H. & CO. KOMM. GES. Feb. 15, 1965 [Feb. 21, 1964], No. 6364/65. Heading B8F. As a package 15 (Fig. 1) is pushed into an apparatus for applying adhesive tape to the package closure it operates a switch 22 which causes a beam 18 to be lowered under power until it impinges on the package. In the embodiment described the operation of the switch 22 causes the conveyer 11 to move thus carrying the package 15 through the apparatus. The package is sensed by an arm 25 which turns about its pivot until it throws a switch 26 which stops the downward motion of the beam 18. The adhesive tape is supplied from rolls 14, 20 and pressed on to the package by rollers 16 and 21. After the adhesive tape has been applied to the package a finger 27 trips a switch 28 which causes the beam 18 to be lifted, and then a finger 12 trips a switch 29 which causes movement of the conveyer to cease. If the packages fed into the machine are of the same height a manually operated switch 30 disconnects the switch 29 and the beam 18 remains in its downward position until all packages have passed through.
Patent GB-285262-A (GB)
Title: Improvements in two-color kinematograph films
IPC: G03C7/22
Filed: 1927-03-08
Abstract: 285,262. Thornton, J. E. March 8, 1927. Drawings to Specification. Colour kinematography.-A film of the kind described in Specification 213,647, which is built up by cementing together two thin films each comprising a transparent support carrying a component image in coloured colloid relief produced by printing on a ready-coloured colloid layer which is developed to remove the unexposed portions of the colloid, is characterized in that the two thin films are cemented together with their supports in contact. Films having margins of full thickness as claimed in Specifications 272,986, 273,056 and 275,331 are excluded from the scope of the invention. The component films may be produced by the methods described in Specification 213,647. The colours of the colloid layers may be orange-red and blue green or they may be red and blue provided that each is subsequently treated with a yellow dye. The two component films are cemented together after printing, either before or after the developing operation. The finished film may be provided with one or more external layers of protective varnish. Specifications 26786/11, 9324/12, 14340/12, 26828/12, 188,329, and 213,866, also are referred to.
Patent GB-987031-A (GB)
Title: Game apparatus
IPC: A63F9/16
Filed: 1963-02-18
Abstract: 987,031. Chance apparatus. G. ALMASHY. Feb. 18, 1963, No. 6438/63. Heading A6H. A game of chance, which is also designed to give practice in basic arithmetic, comprises a playing surface 17 which slopes downwards towards its centre 18, is provided with an outer peripheral wall 13 and an inner, broken wall 19, and is formed with two circles of depressions 21, one circle between the two walls and the other inside the inner wall. The depressions are each numbered and are divided into differently coloured groups, each group being associated with a different arithmetic operation. The game also comprises a number of balls and a separate spinning device for operation on the area 18 of the playing surface. In use, the spinner is set in motion and balls dropped on to the playing surface, the balls being then dispersed among the depressions by the spinner. When the balls have settled in depressions a score is calculated, based upon the numbers ascribed to the depressions and the arithmetic operations ascribed to the groups of depressions concerned.
Patent GB-707435-A (GB)
Title: Improvements in or relating to telephone systems
Inventor: PREIST THOMAS PHILIP
IPC: H04Q5/06
Filed: 1952-03-13
Abstract: 707,435. Party-line systems. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Feb. 25, 1953 [March 13, 1952], No. 6492/52. Class 40 (4) Each party-line station includes a signalling relay CA having one terminal connected to earth by way of a recifier MRA and the other connected to the junction of the windings of a double-wound retard RA which is bridged across the line, the connection to one line conductor being by way of a capacitor QA ; the arrangement of the rectifier and capacitor is different at each station on the line, so that selective signalling from an associated main station is ' effected by . the application of a potential of one or other polarity to one or other line conductor. As shown, operation of a key KA at the main station energizes relay CA at station 1, thereby completing a circuit for bell BA. Stations 2, 3, and 4 may be similarly called by means of keys KB, KC, and KD respectively, the operation of any of the keys also causing the disconnection of the main station telephone T from that line conductor to which signalling potential is applied. Each party-line station has a magneto generator associated with its telephone TA to enable it to call the main station, the values of the impedances used being such that the potentials applied to the signalling relays CA are not sufficient to operate them. One partyline station cannot call another directly but first calls the main station which then calls the wanted station, local batteries providing microphone current for a conversation between two party-line stations. More than one party line may be provided, the main station then having facilities for interconnecting the different lines.
Patent GB-108834-A (GB)
Title: Improvements in and relating to Means for Securing Flanged Railway Rails to Metal Sleepers.
Inventor: ASHMORE WILLIAM HENRY
IPC: E01B9/32
Filed: 1917-05-08
Abstract: 108,834. Ashmore, W. H. May 8,1917. Sleepers, securing rails to.-Flanged railway rails are secured to the sleepers by means of clamps D-shaped as shown and held in position by a T-shaped bolt L which engages in a curved slot in the under surface of the tail H of the clamp. The pressure of the clamp is adjusted by the nut N formed with a cylindrical extension engaging in a slot B in the sleeper.
Patent GB-314821-A (GB)
Title: New or improved clip, strap or the like for roofing tiles, slates, and the like
IPC: E04D1/34
Filed: 1928-03-02
Abstract: 314,821. Clay, J. March 2, 1928. Glazing. - A clip or hanger for fixing roofing tiles, glass for skylights, and the like, consists of a flat V-shaped strip of copper a adapted to be fixed to a batten or purlin c by a nail b which is passed through a hole in the slate d and a hole in the apex of the V. The lower ends e of the clip are bent back on to the lower edge of the slate or glass. Specifications 250/12, 226,383, and 274,117, [all in Class 20 (iv), Floors &c.], are referred to.
Patent GB-374104-A (GB)
Title: Improvements in and relating to glass-houses, cold frames for gardens and like structures
IPC: A01G9/14
Filed: 1931-03-03
Abstract: 374,104. Garden frames. XIMENES, E., 7, Chichester Rents, Chancery Lane, London. March 3, 1931, No. 6565. [Classes 20 (i) and 20 (iii).] A cold frame or the like comprises two pentagonal end walls a each carrying galvanized iron dowel pins d which extend through and project laterally on either side of the walls and engage in recesses formed in the ends of detachable connecting bars b. The frame may be extended indefinitely in either direction by the attachment of further connecting bars which, in turn, are connected at their other ends to similar end walls. Each wall is grooved on either side at e to receive a glass pane f. The front sloping edge of each wall is recessed at i to receive a second glass pane g the upper end of which rests upon the upper edge of the pane f. These panes are secured in position by a hinged arm c which is adapted to be locked when in its lowered operative position. To prevent warping, the end walls are reinforced by galvanized iron bars h.
Patent GB-750718-A (GB)
Title: Improvements in or relating to harvester-threshers
IPC: A01F12/56
Filed: 1954-03-05
Abstract: 750,718. Harvester-threshers. SOC. BOURGUIGNONNE DE CONSTRUCTION. March 5, 1954 [April 18, 1953], No. 6570/54. Class 58. A harvester-thresher has a straw trusser 14 which can be moved horizontally between a working position in which it projects over one side 11 of the harvester-thresher and a position in which it is stowed along the back 12, movement of the trusser being guided by superimposed rails extending partway along the said side and back. In an embodiment, the rails are troughed. They comprise lower and upper side rails 16, 161 with open ends 18, 181, a lower transverse rail 19 with a slot 22 and upper transverse rails 23 and 24. The trusser is mounted on a frame having uprights 27 which are supported by rollers 28 and 29 running in the rail troughs. In changing from the working to the stowage position, the trusser is moved backwards so that the rear rollers leave the open ends 18, 181, then swung about the front rollers to bring the rear roller 28 into the slot 22 and the rear roller 29 opposite the open end 26 of the rail 24, and then moved transversely to bring the rollers into the troughs of the transverse rails. Pivoted on each upright is a lever 31 pivoted at 32 to a lever 33 which is connected at one end 34 to the trusser and provided at the other end with a hole 35. The rail 16<SP>1</SP> is pierced by holes 37. To secure the trusser in the working position, pins 36 are passed through the holes 35 and 37 and screwed into the vertical hubs of the rollers 29. The rails 23 and 24 are pierced by holes 38 receiving pins for securing the trusser in the stowage position. The horizontal axles of the rollers 28 have projections 39 with which pivoted hooks 40 and 41 can be engaged. The trusser is driven by a detachable belt or chain 47.
Patent GB-397931-A (GB)
Title: Improvements in or relating to radio and similar high frequency carrier wave systemsfor the transmission of television high speed picture telegraphy and the like
IPC: H04N7/10
Filed: 1932-03-04
Abstract: 397,931. Wireless transmitting systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand,. London, and DAVIS, N. E., Openways, Little Baddow, Chelmsford. March 4, 1932, No. 6629. [Class 40 (v).] In a wireless television or like transmitter, a control room A includes, in addition to apparatus 1 for driving and amplifying the modulating frequencies, a modulating valve 4, the output of which is connected to highfrequency apparatus at a transmitter B by a highfrequency cable 2<1>, 3<1>, connected at the transmitter across an impedance 9 of such magnitude as to terminate the cable correctly. The ter-- minal impedance is in the grid circuit of valves 81 amplifying the carrier wave, so that variations in the impedance of the modulating-valve modulate the carrier. The cable is of the kind. described in Specification 284,005, [Class 36, Electricity, Conducting &c.], with a central conductor 2<1> connected to the anode of the modulating-valve and an outer conductor 3<1> connected to the cathode of the modulating-- valve and to the earthed end of the terminal impedance. The terminal impedance may consist of a constant-impedance network compensating for attenuation of the higher modulating frequencies. Inductance coils may be inserted at intervals in the length of the central conductor so that the cable acts as a low-pass filter. Specification 299,856, [Class 40 (v), Wireless. signalling &c.], also is referred to.
Patent GB-700703-A (GB)
Title: Improvements in or relating to railway vehicles
Inventor: GRAFF-BAKER WILLIAM SEBASTIAN
IPC: B61F5/06
Filed: 1951-03-20
Abstract: 700,703. Rail vehicle undercarriages. BRITISH TRANSPORT COMMISSION. Feb. 25, 1952 [March 20, 1951], No. 6674/51. Class 103(6) . : Between the body bolster 28 and the bogie bolster 19 are disposed a number of rocking struts 33 having two spherical bearings. at one end and a single bearing at the other so that a restoring force is produced to centralize the bogie. The socket 43 is secured to the bolster. 28 whilst the ball 42 is carried by an intermediate member 40 having a flat surface 46 to engage the upper surface 36 of the strut 33. Also secured to the member 40 is the ball 39 having a surface 45 which abuts the. underside of the bolster 28, the other socket half of the bearing 35 being secured to the strut 33. Thus when the strut rocks the surfaces 45, 46 disengage from the bolster and the strut respectively. The spherical bearings have rubber inserts 41, 44, 38 bonded to the mating surfaces. Specification 616,457 is referred to.
Patent GB-243214-A (GB)
Title: Improvements in or relating to sieves or screens
IPC: B07B1/46
Filed: 1925-03-12
Abstract: 243,214. Herrmann, R. March 12, 1925. Sieves and screens, forms and construction of. -In sieves of the kind comprising bars a of elongated section and enlarged on their upper sides, and carriers c of angular or U-shape in section and provided with slots for the bars a, tie-bars f are provided to hold the parts in assembled position and are embraced by the sides of the carriers c. The parts are preferably arranged so that the shoulders formed by the enlarged sides of the bars a rest on the edges of the slots in the carriers. A strengthening bar e may be riveted between the edges of the carriers and provide an additional support for the bars a. The carriers may be made in tubular form as shown in Fig. 10.
Patent GB-553130-A (GB)
Title: Normal dresser for grinding wheels
IPC: B24B53/08
Filed: 1942-05-19
Abstract: 553,130. Dressing grinding wheels. FELLOWS GEAR SHAPER CO. May 19, 1942, No. 6796. Convention date, May 22, 1941. [Class 60] Apparatus for dressing grinding wheels in which the profile is composed of a succession of different geometric curves comprises a dressing tool mounted on a carriage which is constrained to move so that the tool traverses the curves in succession while being maintained normal thereto at every point. As shown the grinding wheel G has a profile consisting of a straight line f leading into a circular part f<SP>1</SP> centered at p, and the tool 22 is adjustably mounted in a carriage 14 moving along tracks 11, 12 by the operation of a hand wheel 33. The carriage has depending conical rollers 15, 16 engaging the tracks and a further pair of rollers on a spindle 23 which engage a separate track 13, or the curved part of the track 12. The carriage is fitted with a spring- influenced member 27 riding on a fixed guide 30 by means of which the rollers on the spindle 23 are maintained in contact with the tracks.
Patent GB-821599-A (GB)
Title: Improvements in and relating to the testing of optical lenses
Inventor: MAURICE REUBEN DARRELL AGRESTI
IPC: G01M11/02
Filed: 1958-03-03
Abstract: 821,599. Testing lenses photoelectrically. BRITISHBROADCASTING CORPORATION. March 3, 1958, No. 6803/58. Addition to 797,513. Class 40(3). In apparatus for examining the resolution of optical lenses, as described in the parent Specification, the test chart has sets of bars 31 the bars of each set being of the same width, and the width varying from set to set. Transverse bars 32 are provided between adjacent sets.
Patent GB-267548-A (GB)
Title: Improvements in and relating to method and apparatus for dyeing
IPC: D06B11/00
Filed: 1927-03-11
Abstract: 267,548. Eclipse Textile Devices, Inc., (Assignees of Ness, H. E. van.). March 11, 1926, [Convention date]. Treating substances with liquids.-In a construction of apparatus for the spot-dyeing of yarns by passing the liquid through the material by centrifugal force, a cone of yarn C inserted in a perforated holder 15 is rapidly rotated by a belt 12 on a pulley 13, while dye is supplied by a pipe 25 into the core C<1>, which has two sets of perforations C<2>, C<3>. A stationary casing 16 receives the dye thrown off, which may be a solution in water or other non-volatile liquid. A splash-guard 26 may be inserted in the core, and may extend, perforated as necessary, to the lower end, in which case the entire core C' may be perforated. In a modification, the cone of yarn is rotated on a horizontal axis, and the core may be either entirely perforated or omitted altogether, the outlet or outlets of the supply pipe being adjustable horizontally. Rotation of the cone of yarn is continued after cutting off the liquid supply, until the mass is substantially dry.
Patent GB-565138-A (GB)
Title: Improvements in or relating to rollers for universal movement
IPC: B60B19/12
Filed: 1943-04-30
Abstract: 565,138. Castors. HLADIL, F. April 30, 1943, No. 6860. -[Class,52 (i)] A castor comprises a main roller 1, the periphery of which carries in spaced. radial arms 6 a number of small barrel-shaped rollers 8 at right angles thereto to facilitate castoring action. The small rollers may be mounted by anti-friction bearings on an endless wire polygon 9 or on separate short axles held in the periphery, e.g. held in 'spokes 21, Fig. 8, having forked ends 23 by spring clips 24. The castor may consist of more than one wheel or roller with peripheral rollers, as in Fig. 10, showing a castor mounted as a unit in a flanged casing 29 let into an article 32.
Patent GB-1262635-A (GB)
Title: Reciprocating pump apparatus for depositing viscous liquids
Inventor: WARREN CHRISTOPHER JOHN LEWIS
IPC: G01F11/02
Filed: 1968-02-13
Abstract: 1,262,635. Reciprocating pumps. C. J. L. WARREN and J.W. MILROSS. Feb. 6, 1969 [Feb. 13, 1968], No. 6934/68. Heading F1A. Apparatus for repetitively depositing predetermined volumes of a viscous liquid such as confectionary syrup comprises a container 36 and a pump having an entry port 43 communicating with the interior of the container and co-operating with a plunger 38 to function as an inlet valve, and a discharge valve 60 comprising a truly movable spherical member 61 which is drawn up to seal a circular discharge aperture 62 on the suction stroke and which otherwise rests on a stool 63. The viscous liquid provides the sealing medium between the plunger 38 and the cylinder 37. There is a slight time lag between the beginning of the suction stroke and the moment when the discharge aperture 62 is sealed, thus providing a drip preventing mechanism. The ball 61 has a specific gravity equal to or less than the specific gravity of the liquid and may be P. T. F.E. or stainless steel. A heater 41 is provided at the bottom of the container 36, which is lagged.
Patent GB-465544-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G69/16
Filed: 1936-03-07
Abstract: 465,544. Endless - chain elevators. JACKSON, L. MELLERSH-. (Gewerkschaft Eisenhutte Westfalia) March 7, 1936, No. 6940. [Class 78 (i)] In a bucket or platform lowering device of the kind in which the buckets, &c. are passed successively in a horizontal, or approximately horizontal position, under the point of delivery of the material to be conveyed and lowered into the lowering shaft, the buckets, &c. effect, at the upper point at which the movement is changed from the horizontal direction into the vertical direction, the division of the material into the quantity to be allocated to each bucket, &c. Coal, &c. is fed by an endless-belt conveyer 2, Fig. 1, on to platforms 8 which are pivotally connected to endless chains 7 and lower the material without breakage. At the point of discharge a rubber apron 9 retards the material. The casing of the conveyers is pivoted at 3 and adjustment is effected by a motor 6. Ropes 5 connect the casing to counterweights. The material may pass from the band 2 to the platforms over a comb-like support 14, Fig. 4, through which pass either the similarly constructed platforms or fingers formed thereon. Fine material falling through the support 14 either falls down the inclined surface 21 of the casing to discharge, or is withdrawn by a worm 22. The restoration of the platforms to load carrying position at the end of their upward movement is initiated by contact with the shaft 26, Fig. 6, and completed by the suspension shaft of a platform passing under the lower side of the preceding platform. A rotating cam 27 on the shaft 23 may facilitate this operation. In a modification in which each second platform of the construction shown in Fig. 6 is omitted, a rubber apron suspended from the top of the casing rests on the material as it passes over the inclined plate 14, and is pushed aside by an oncoming platform to permit the flow of material. In a further modification in which the effective length of the lowering conveyer is adjustable, the pulleys 30, 31, 32, Fig. 8, around which the chains 7 pass are mounted in a carriage 42 which is movable on rails by electric traction. Corresponding adjustment of the casing 19 is effected by a chain 33 which passes round pulleys 34, 35, 36, and is anchored at 37, 38. During lowering the material rests against a flexible travelling member 39 which passes over pulleys 40, 35a, 36a and 41, and is supported by the chain 33. This member 39 may be replaced by a fixed flexible wall secured to the chain 33,