baber/WOPTO huggingface dataset:
Patent GB-957374-A (GB)
Title: Modified polyvinyl chloride resins and method of making
IPC: C08F8/00
Filed: 1962-08-28
Abstract: Modified vinyl chloride resins are made by treating vinyl chloride resins with mono-alkali metal salts of methylolated phenols in an inert solvent, and isolating the modified resin from the reaction mixture. Specified resins are polyvinyl chloride and copolymers of vinyl chloride with minor amounts of vinylidene chloride, vinyl acetate, vinyl stearate, vinyl chloracetate, allyl chloride, ocimene, dipentene, phellandrene, acrylonitrile, methyl acrylate, butyl acrylate, methyl methacrylate or diethyl maleate. Specified salts are the sodium and potassium salts of 2, 6-dimethylol -4- alkyl phenol, 2, 4-dialkyl -6-methylol phenol and 2, 21-methylene bis (4-chloro -6- methylol phenol). Specified solvents are ketones, hydrocarbons, halogenated hydrocarbons, ethers and alcohols. The products may be cured and cross-linked by heating.  They may be used in films, coatings, structural materials and adhesives, and may be compounded with blowing agents and expanded.  The products may be compounded with pigments, fillers, plasticizers and other polymers, e.g. copolymers of styrene and acrylonitrile, butadiene and acrylonitrile, styrene and methyl methacrylate, and a -methyl styrene and acrylonitrile, and graft copolymers of styrene, a -methyl styrene, acrylonitrile, or methyl methacrylate on polybutadiene or butadiene copolymers. Examples describe the reaction of polyvinyl chloride in 2-butanone with (I and III) the monopotassium salt of 2,21-methylene bis (4-chloro -6- methylol phenol) and (II) the monopotassium salt of 2,6-dimethylol -4- t.-butyl phenol.  The product of Example I is stabilised with dibutyl tin maleate, and the products of Examples I and II are dissolved in 2-butanone to give film forming compositions.
Patent GB-973738-A (GB)
Title: Improvements in disc brakes
Inventor: CLAY BENJAMIN ANDREW
IPC: F16D55/00
Filed: 1961-09-14
Abstract: 973,738. Disc brakes. GIRLING Ltd. Aug. 31, 1962 [Sept. 14, 1961], No. 32943/61. Heading F2E. A disc brake comprises two (or more) discs 10, 11 slidable keyed on a rotatable shaft 12 within a stationary housing 13, a backing plate 19 carrying friction pads on both sides located between the discs, a backing plate 16 carrying a friction pad on one side located between the disc 10 and an abutment surface 18 on the housing and a backing plate 21 carrying a friction pad on one side located between the disc 11 and a piston 22 (or pistons) working in an hydraulic cylinder 23 (or cylinders) for urging the pads into engagement with the discs. The backing plates 16, 19, 21 are movable in an axial direction and are slidably guided by torque-taking surfaces 26 located outside the periphery of the disc in an opening 24 in the housing from which the backing plates with the friction pads can be removed in a direction parallel to the surfaces of the discs. In another embodiment the backing plates are in the form of flat bars which extend chordwise of the discs and are mounted at one end on a removable torque-taking pin located in a recess of the housing, the other end being notched to engage with a fixed pin. With this arrangement the friction pads can be of a substantial length in a circumferential direction and the backing plates may be actuated by two or more pistons working in parallel hydraulic cylinders. The brake discs may be engaged by two or more sets of angularly spaced friction pads. Both embodiments may be used as an oil-immersed brake.
Patent GB-491938-A (GB)
Title: Improvements in and relating to electricity meters
IPC: G01R11/02
Filed: 1936-12-01
Abstract: A light worm gearing is made of aluminium or magnesium alloys The worm and, if desired, the worm-wheel may be made of an aluminium-magnesium alloy containing up to 15 per cent of magnesium.
Patent GB-462851-A (GB)
Title: Improvements in or relating to hinges
IPC: E05D7/06
Filed: 1935-11-28
Abstract: 462,851. Hinges. BEATON & SON, Ltd., G., and YOUNG, F. C. Nov. 28, 1935, No. 33048. [Class 65 (ii)] In a self-aligning hinge, particularly for doors, of the type in which one wing has a part 7 with opposed spherical surfaces to be received in corresponding recesses associated with the other (forked) wing 13, 14, assembly of the members is facilitated by forming one of the recesses in a floating member 18 carried by one limb 13 of the forked hinge wing and held spaced from that limb and in operative engagement with the member 7. In the form shown, the hinge parts are held together by a pin 9 which passes with clearance through the member 7, has a head engaging the member 18, and is pressed downwards by a spring 17 to hold the members 18, 7 in contact, the pin being secured by a nut 12. The hinge pin may fit closely in the part 7 and have clearance in the limbs 13, 14. In a modification, the hinge pin is not used, the member 18 being formed with a stud which screws into a hole in the limb 13 for adjustment towards and away from the member 7 ; alternatively, the member 18 may be tapped and threaded on a stud projecting from the part 13.
Patent GB-300962-A (GB)
Title: Improvements in and relating to current regulating machines for vehicles
IPC: H02J7/16
Filed: 1928-11-13
Abstract: 300,962. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). Nov. 21, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Regulation, auto - matic; charging batteries.- In generators supplying lighting &c. circuits and charging batteries on vehicles and in which high output of the generator and consequent overcharging of the battery is prevented by a thermal switch inserting a resistance into the field circuit of the generator when the temperature of the generator rises, means are provided to operate the switch by hand. The generator output may thus be limited when the vehicle is used for short periods insufficient to operate the switch thermally. The switch comprises two contacts b, a across a resistance in the field circuit, the movable contact a being separated from the fixed contact b by a bimetallic strip c on heating or manually by turning a screw c. In a modification, the screw is replaced by a rotary insulating cam.
Patent GB-1316925-A (GB)
Title: Pressure metering valve for vehicle braking systems
IPC: B60T11/34
Filed: 1971-07-15
Abstract: 1316925 Braking systems; valves BENDIX CORP 15 July 1971 [5 Aug 1970] 33226/71 Headings F2F and F2V A pressure metering valve for a vehicle braking system comprises a first valve element 72 urged into engagement with a shoulder 56 in a housing, the element 72 defining fluid inlet and fluid outlet regions in the housing. A second valve element 80 yieldably urged towards the fluid inlet is also provided, the second valve element having a stem 82 passing through an opening 84 in the first valve element and a section 86 transversely extending from the stem 82, positioned at the fluid inlet side of the first valve element 80 and arranged, when inlet fluid pressure reaches a first predetermined level, to engage the first valve element 72 to close passages 76 therein to terminate fluid flow through the valve. At a second, higher, predetermined pressure the first valve element 72 moves away from the shoulder 56 to restore fluid flow through the valve. The second valve element is made from a resilient material so that if the valve should fail the section 86, at a third pressure, is forced into the passages 76 and thus opens the valve for limited fluid flow. The second valve element 80 has a diaphragm 88 supported on a supporting member 64, the diaphragm overlying a cavity 90 in the member 64 so that it is depressed into the cavity at the first predetermined pressure to effect closure of the passages 76 by the section 86. The valve is disclosed as being mounted in the housing of a master cylinder in the output to the front brake of a vehicle.
Patent GB-301649-A (GB)
Title: Improvements in boxes
IPC: B65D6/28
Filed: 1927-12-08
Abstract: 301,649. Venesta, Ltd., and Rutherford, H. Dec. 8, 1927. Corner joints.-A box of plywood &c. is provided at the internal corners with horizontal and vertical battens b, a of triangular cross-section secured to the sides &c. by wire stitches c which are passed through two adjacent box parts and the corresponding battens and have their protruding ends c<1> clinched against the exposed faces of the batten.
Patent GB-797997-A (GB)
Title: Improvements in or relating to indexing cards
IPC: B42F17/32
Filed: 1955-11-21
Abstract: 797,997. Filing papers. ROSS, H. H. Oct. 18, 1956 [Nov. 21, 1955], No. 33292/55. Classes 16 and 146(1) An indexing card 6, particularly for a punched card system, has an upstanding tab 7 with its outer edge substantially aligned with a side edge of the card, the width of the tab 7 being 0.4 to 0.5 of the width of the card and the width of card being 0.4 to 0.8 of the width of the container 5. Preferably the angle x is 120 degrees. In the arrangement shown in Fig. 1, the card may be placed in position 1 with side a visible, position 2 with side a or side b visible, or position 3 with side b visible.
Patent GB-977612-A (GB)
Title: Apparatus for printing, dispensing and application of gummed labels
Inventor: KIND OSCAR
IPC: B65C11/02
Filed: 1960-12-06
Abstract: 977,612. Labelling apparatus. O. KIND, [trading as METO-GESELLSCHAFT OSCAR KIND KOMM. GES.]. Dec. 6, 1960, No. 33295/64. Divided out of 977,611. Drawings to Specification. Heading B8F. The subject-matter of this Specification is the same as that described in and with reference to Figs. 1-5 of Specification 977,611 from which it is divided.
Patent GB-521507-A (GB)
Title: Improvements in and relating to apparatus for heating or cooling air
IPC: B60H1/00
Filed: 1938-11-17
Abstract: 521,507. Unit air heaters or coolers. BOULY, H. G. (E. A. Laboratories, Inc.). Nov. 17, 1938, No. 33450. [Class 137] An air heater or cooler, particularly suitable for use in motor cars, comprises a heat exchanger and separate power driven means for causing air to flow through the exchanger in separate streams, at least one of which leaves the casing of the device without mixing with another of the streams. In Fig. 1, the heater is bolted to the dash board of a motor vehicle, and a fan 17 draws air through the outer sections of a heat exchanger 9 divided by partitions 23, and discharges it past control panels 27 hinged at 28. A blower 24 secured to the same axle 18 and the fan 26 draws air through the central part of the heat exchanger. and delivers it through a duct 22 leading to any desired point, such as to a wind screen heater. Flow and return pipes 13 lead to a source of hot (or cold) water, such'as the cooling system of the car. The flow of air may be reversed as shown in Fig. 4, the fan 47 drawing air through inlet openings 51, and discharging it past control shutters 43 and through the heat exchanger 9 into the vehicle. The blower 45 draws air through the central part of the heat exchanger in a direction opposed to that at the outer part, and delivers it through an outlet duct 52, there being no interference between the opposed air streams. In Figs. 5 and 7, the outlet duct from the blower 60 is a Y-shaped member 53, one branch of which directs air towards the feet of the driver, and' the other leads by a flexible tube 55 to a nozzle 56 adjacent the windscreen. The fan 59 blows air through the heater 62, its outlet being controlled by panels 63.
Patent GB-1538141-A (GB)
Title: Keyboard assembly for a combined electronic watch/calculator
IPC: G04G21/00
Filed: 1976-08-11
Abstract: A tabulator keyboard of simplified design may be fabricated from a single flexible circuit and a minimum of other mechanical structures. The flexible circuit combines in one piece an array of deformable upper contacts, an array of stationary lower contacts, as well as the required interconnections between the elements of these arrays and the electronics module. The flexible circuit may be made of a reasonable transparent dielectric film (e.g. polyamide). The flexible circuit is folded in use such that the lower stationary array has its conductive surface opposite the upper deformable array. Means are provided for making electrical contact between a selected element in said lower array with a selected element in said upper array.
Patent GB-910375-A (GB)
Title: Improvements relating to tie clips
IPC: A44B6/00
Filed: 1959-10-05
Abstract: 910,375. Spring clips. GOODE, J. A. Jan. 5, 1961 [Oct. 5, 1959], No. 33629/59. Class 44. A one-piece tie clip comprises a pair of main arms 10, 11 made of resilient material disposed on opposite sides of a tie receiving space defined between them, the arms being connected with each other at one end of the clip and free from each other at the opposite end to form an entrance to the tie receiving space so that when a tie and the part of the garment to which it is to be clipped is inserted through the entrance into the tie-receiving space, the tie and the part are subjected to gripping pressure, one of the main arms 11 being bent at the entrance end of the tie-receiving space to form an additional gripping arm 16 projecting into the tie-receiving space, the main arms being integrally connected with each other at the opposite end of the tie-receiving space by a connecting part 12 which is more resistant to bending than the two main arms themselves. The clip is made of metal or synthetic resin and the arm 16 may be either flat or corrugated as shown. The part 12 is of curved cross-sectional shape to provide the increased resistance to bending. The connection between the arms 11, 16 can be similarly curved if desired. The exterior surfaces can be decorated.
Patent GB-173466-A (GB)
Title: Improvements in head lamps for automobiles
IPC: F21S8/10
Filed: 1920-06-23
Abstract: 173,466. Ritchie, D. J. June 23, 1920. Vehicle lamps; search-lights; lantern obturators.-A head-lamp for motor-cars having a main reflector is provided with means for preventing dazzle comprising a plurality of obturators extending across the reflected beam and a separate lens focused on the effective edge of each obturator, the lenses being arranged to superimpose the images of the illuminated planes containing the obturators according to a common line of cut-off of the rays emerging from the lamp. The parabolic reflector r<2>, Fig. 1, is provided with apertures a<1>, a<2>, a<3>, Fig. 2, the edges o<1>, o<2>, o<3> of which act as obturators. Projecting lenses p<1>, p<2>, p<3> (there being two lenses p<2> arranged side by side) are arranged in front of the apertures and are focused on the edges o<1>, o<2>, o<3>. Each lens projects an image of these edges which are superimposed with a common line of cut-off forming the upper boundary of the light beam. Diaphragms d<1>, d<2>, which may be slightly inclined, separate the optical system and prevent the diffusions of the light into dark region above the cut-off. According to one Provisional Specification, the parabolic reflectors r<1>, r<2> may be substituted by a complete ellipsoidal reflector or by a semi-ellipsoidal reflector and a plane one. According to another Provisional Specification, instead of the obturators, a cylinder may be placed in front of the reflector r<1> and mav be divided into a number of sections by horizontal and, if desired, vertical diaphragms, projecting lenses being fitted into each end of the sections. Specification 173,243 is referred to.
Patent GB-686746-A (GB)
Title: New or improved lighting apparatus
IPC: F21S10/02
Filed: 1948-12-31
Abstract: 686,746. Lighting apparatus. WILLIAMS, R. G. Dec. 31, 1949 [Dec. 31, 1948; Dec. 5, 1949], Nos. 33671/48 and 31169/49. Classes 75(ii) and 75(iv) A lighting apparatus particularly for blending light beams of different colours into a single beam comprises at least two opposed truncated conical or pyramidal reflectors 4, 5, Fig. 4, disposed with larger ends remote from each other and so arranged that a portion, e.g. the beam B2, of the light from each of a plurality of lamps, e.g. four lamps R, B, W (not shown), and G (not shown), is reflected from the reflector 4, on to the reflector 5 to be reflected by the latter, while the remainder of the said light, e.g. B1, is transmitted independently of the reflectors 4, 5, so that the several emitted reflected and unreflected portions of all the beams are scrambled but parallel. The lamps R, G, B are provided with red, green, and blue colour filters 3, respectively, so that the final beam comprises intermingled parallel beams of red, green, blue and white light. The reflectors 4, 5 may be symmetical or asymmetrical, and the surfaces thereof may be ribbed, fluted, indented or irregular; and one of the reflectors 4, 5 may be conical and the other pyramidal. To avoid intermingling of the beams R1, B1 undeflected by the reflectors 4, 5, co-axial stepped semi-cylindrical louvres 6 may be provided. In an alternative construction the lamps are provided with parabolic or similar reflectors for projecting parallel beams and are so arranged that the light not reflected by the reflectors 4, 5 passes either outside or both outside and inside the latter. In a further alternative construction shown in Fig. 8, a small reflector 4d is associated with a larger reflector 5d and the unreflected portion B1, R1, &c. of each beam passes between the reflectors. By locating the lamps B, R. &c., closely together the unrenected beams may pass also interiorly of the reflectors. In all constructions the reflecting members may be of transluscent material with internal reflecting surfaces. Reference has been directed by the Comptroller to Specification, 646,642.
Patent GB-1030388-A (GB)
Title: Umbilical cord clamp
IPC: A61B17/122
Filed: 1964-08-18
Abstract: 1,030,388. Clamp fastenings. HOLLISTER Inc. Aug. 18, 1964 [Oct. 10, 1963], No. 33680/64. Heading E2B. [Also in Division A5] A clamp comprises a pair of arms 11, 12 joined at one end by a hinge-forming loop 13 and having interengaging locking means 14, 17 at their free ends and an arcuate projection 26 integral with the loop which blocks the loop prior to closure of the clamp. At its free end each arm has an enlarged portion 21, 22 for engagement by the fingers. One arm 11 carries a hooked projection 15 which on closing the clamp engages a recess 18 formed beneath a lip 19 on the other arm 12, to hold the clamp closed. The facing surfaces of the arms have serrations 20 disposed on each side of a longitudinal channel 23.
Patent GB-618927-A (GB)
Title: A swivel-hook fitting for the suspension of articles
IPC: A47G25/32
Filed: 1946-11-13
Abstract: 618,927. Hooks. KRANTZ, H. Nov. 13, 1946, No. 33700. [Class 89 (ii)] A swivel attachment means for a hook comprises a plate 1 perforated for fixing to an article and having a raised flange 4 to receive and retain the flange 6 of a socket member 5 slotted at 7 to permit the shank 8 of the hook to swing from a vertical to a horizontal position. The socket receives the ball end 9 of the hook shank. When the article to which the hook is attached is not required to be suspended the hook can be folded flat against' the surface and rotation of the socket in the plate permits the hook to be turned so as not to project beyond the article.
Patent GB-325287-A (GB)
Title: Improvements in or relating to brushes for use in dynamoelectric machines, electric motors and the like, and to processes for the manufacture thereof
IPC: H01R43/12
Filed: 1928-11-17
Abstract: 325,287. Morgan Crucible Co., Ltd., and Grant, J. E. Nov. 17, 1928. Drawings to Specification. Brushes. - A compound brush, comprising separate conducting and lubricating portions, is made of different pieces of compressed consolidated powdered material, such as graphite and copper powder mixed with graphite &c., secured together to form a single mass with a compound bearing face. The brush formed may be further treated by heat. The body of the brush may be made of copper powder composition and blocks of consolidated graphite secured in grooves or recesses therein by means of an insulating adhesive. Scouring materials, such as emery, may be incorporated in some of the blocks. Specification 22659/06 is referred to.
Patent GB-456038-A (GB)
Title: Piston ring expander
IPC: F16J9/06
Filed: 1935-12-05
Abstract: 456,038. Piston-rings. PERFECT CIRCLE CO., Hagerstown, Indiana, U.S.A. Dec. 5, 1935, No. 33775. Convention date, May 25. [Class 122 (i)] A ring expander comprises a band 11 having leaf springs 14 connected by necks 13 with one edge thereof and spaced therefrom, e.g. by pressed-up projections 26, 27 on the band, or on the leaves and band. The latter is formed with a pressed or other projection 18 to engage in the split of the piston ring and prevent relative movement. The springs adjacent the gap in the band and opposite thereto may be closer together and shorter than the remainder. Apertures 17 may be provided for oil drainage when the expander is employed with a scraper ring.
Patent GB-1466843-A (GB)
Title: Ballast inductor unit for operating low pressure discharge lamps
IPC: H01F27/36
Filed: 1975-08-13
Abstract: 1466843 Ballast transformers J CATES 13 Aug 1975 33784/75 Heading HIT A ballast inductor unit for a discharge lamp, which unit comprises a mild steel casing containing a magnetic core 8, 9, with legs having air gaps 10, 11, these legs carrying primary and secondary windings 12, 13 connected in series opposition, includes additional magnetic members 16, 17, 18, 19 to increase the leakage flux. As shown the members are magnetic strips, and these may be disposed inside or outside the casing. Alternatively a second casing may be provided. A thermal cut-out may be provided in the casing which may be filled with polyester resin and silica. Dimensional details and operational details are disclosed.
Patent GB-618934-A (GB)
Title: Improvements in or relating to capacitors
IPC: G01D5/24
Filed: 1946-11-14
Abstract: 618,934. Condensers. COZENS, J. H., and TELEGRAPH CONDENSER CO., Ltd. Nov. 14, 1946, No. 33785. [Class 37] In a condenser having quartz as dielectric, the quartz is deposited by vacuum evaporation upon a metal electrode, and a second metal electrode is preferably similarly deposited on the quartz. The first electrode may be formed by depositing a metallic film, by vacuum evaporation, upon a base of resilient insulating material such as polyvinyl chloride or polystyrene.
Patent GB-1400066-A (GB)
Title: Drainage pipe
IPC: E02B11/00
Filed: 1972-07-20
Abstract: 1400066 Perforated pipe F KIRCHNER and A KIRCHNER [trading as FRANKISCHE ISOLIERROHR-U METALLWARENWERKE GEBRUDER KIRCHNER] 20 July 1972 [20 July 1971] 34000/72 Heading F2P A perforated corrugated plastics pipe 1 has a sheet 5 of plastics film secured thereto by engagement of both the film 5 and a locking cord 6 in a series of undercut depressions 3, each depression 3 being formed in an external crest 4 of the corrugations. The depressions are conveniently in line in the longitudinal direction of the pipe-line. Preferably each crest 4 bears a depression 3, the depth of which is substantially the same as the depth of the corrugations and the bases of the depressions as coplanar. The plastics is preferably P.V.C. and the pipe is preferably extruded as smooth tube and subsequently corrugated and depressed in travelling moulds.