baber/WOPTO huggingface dataset:
Patent GB-583963-A (GB)
Title: Improvements in aircraft landing gear
IPC: B64C25/64
Filed: 1944-08-09
Abstract: 583,963. Shock-absorbers. MILES AIRCRAFT, Ltd., and WOODHOUSE, J. W. Aug. 9, 1944, No. 15174. [Class 108 (iii)] [Also in Group XXXIII] A torsional shock absorber for aircraft undercarriages comprises two members connected by an intervening layer of elastic material, deformable under the landing load with relative movement of partial rotation between the two members. The shock absorber, shown applied to a tail wheel unit in Fig. 2, comprises elliptical inner and outer metal members 1a, 1b, with an intervening layer of natural or synthetic rubber 1c preferably bonded to both members. The outer member may be split at one or more points 10, in order that the rubber may be compressed when the unit is inserted into its housing in the mounting bracket 2. The wheel fork 6 is bolted to the inner member la of the shock absorber. Specification 493,521 is referred to Reference has been directed by the Comptroller to Specification 493,521.
Patent GB-554976-A (GB)
Title: Improvement in and relating to pressure balanced plug valve
IPC: F16K5/22
Filed: 1941-11-25
Abstract: 554,976. Plug cocks. TRIGGS, W. W. (Merco Nordstrom Valve Co.) Nov. 25, 1941, No. 15188. [Class 135] Shoulders on both ends of the plug of a valve abut the casing, are provided with stems exposed to atmospheric pressure, and their outer peripheral surfaces are exposed to annular chambers. In the form shown in Fig. 1, the plug is slightly tapered and provided' with stems 8, 26 and shoulders 10, 25. An inner waslier 12 of metal and an outer washer 13 of resilient material engage the shoulder 10, and a cover' member 14 engages the outer peripheries of similar washers 17, 18, the inner portions of which bear on the shoulder 25 under the action of an adjustable gland 21, metal wear ring 22, rings 23 of resilient material, and a metal ring 24. The chambers 27, 28 are connected by a pair of grooves 31, and a pair of shorter grooves 33 are connected to the chambers when the plug is fully open and closed by means of dwarf grooves in the casing, lubricant being supplied to the grooves 31 from a reservoir 42 through ducts 38 provided with check valves 39 retained in place by pins 40. In a form applicable to cylindrical or tapered valves the shoulder 50, Fig. 3, in proximity to the operating stem is engaged by a metal washer 52 backed by a resilient gasket, and the shoulder 54 by a metal washer 55, acted on by an adjustable member 63 through metal and resilient thrust rings, and the lubricant reservoir is connected to the chamber 28. In a further form shown in Fig. 4, the chambers 27, 28 are not connected to the lubricant system, which supplies a circumferential groove 68 connected permanently by a pair of grooves 69 and in full open and closed positions by a pair of grooves 71 to a circumferential groove 67. Lubricant is also supplied to the washers 83, 85 through ducts 77, 81 leading to annular grooves 76, 79.
Patent GB-1081022-A (GB)
Title: Bimetal element for damp working conditions
IPC: G01K5/62
Filed: 1965-04-09
Abstract: 1,081,022. Temperature responsive actuating elements. DANFOSS A/S. April 9, 1965 [April 30, 1964], No.15228/65. Heading G1D. A bi-metal element for use in damp conditions in which the element is covered with a protective cover of an adhering elastic plastics material e. g. an epoxy resin or a polyamide.
Patent GB-832387-A (GB)
Title: Improvements in or relating to appliances for use in performing physical exercises
Inventor: JOHNSON CLARENCE LA VERNE
IPC: A63B23/12
Filed: 1957-05-14
Abstract: 832,387. Exercising appliances. PICAS INTERNATIONAL Ltd. May 14, 1957, No. 15329/57. Class 132(1) An exercising appliance comprises a base member 2 shaped to seat stably in the angle between a wall and a floor and having two sockets 6 each containing, at its bottom, a concave seating face 9 conforming to the surface of a ball member 4 carried on the end of one. of a pair of rods 1, means being provided to restrict the mouth of the socket and retain the ball therein to form a universal joint, the user grasping the rods and leaning on them in an off-balance position to support himself. Rods 1 each consist of two sections of mild steel tubing screwed one into the other, their upper ends having rubber band grips and their lower ends receiving spigots 6 which are secured by screws 7 and carry ball members 4. As shown, seatings 9 are aluminium secured by a nail 10 and ball members 4 are held in place by sheet aluminium retaining plates 11 held in position by a metal facing plate 12.
Patent GB-822589-A (GB)
Title: Bis-(aminomethyl)-benzene derivatives
IPC: C07C233/00
Filed: 1957-05-15
Abstract: The invention comprises (a) compounds of the general formula <FORM:0822589/IV (a)/1> wherein the two aminomethyl groups are in the 1 : 3- or 1 : 4-positions; Q1, Q11, Q111 are each hydrogen or halogen atoms, lower alkyl or lower alkoxy groups; Z is either a hydroxyalkyl radical -Y-OH, an acyloxy radical -Y-O-Ac1, a hydrocarbyloxyalkyl radical -Y-O-R, or a hydrocarbyl radical R (where Y is an alkylene radical having 2-6 carbon atoms and its two free valency bonds on different carbon atoms, R is a hydrocarbyl radical containing 1-8 carbon atoms, and Ac1 is a carboxylic acyl group having 1-8 carbon atoms); and Ac is a halogenated-alkanoyl radical having 2-4 carbon atoms and one or two halogen atoms, at least one halogen atom being attached at the 2 position (i.e. the a -position) of the alkanoyl; (b) compounds of the general formula <FORM:0822589/IV (a)/2> wherein Z is either a residue -Y-OH or -Y-O-R (Y, R, Q1, Q11, Q111 having the meanings ascribed above); and (c) the preparation of compounds of formula (I) by reacting a compound of the general formula (III) wherein Z is -Y-O-R Y-OH, or R, with two molar quantities of a halogenatedalkanoylating agent derived from the corresponding acid, except that if Z, in formula (I), is Y-O-Ac1, a compound is first formed where Z is -Y-OH and the said compound is reacted with an acylating agent, Ac1-halogen or (Ac1)2O (wherein Ac1 does not include formyl) or formic acid.  Compounds of formula (III) are prepared by (i) reacting terephthaldehyde, isophthalaldehyde, or their ring-substituted analogs with at least two molar quantities of an amine Z-NH2 and reducing the bis-anil so formed; (ii) reacting the corresponding xylylene dihalides with two molar quantities of a primary amine Z-NH2; or (iii) reacting the xylylene dihalide first with excess ammonia and then reacting the resulting bis-(aminomethyl)-benzene with two molar equivalents of a halide Z-(halogen).  U.S.A. Specification 2,640,080 is referred to.ALSO:The Specification discloses pharmaceutical compositions comprising compounds of the formula <FORM:0822589/VI/1> wherein the two aminomethyl groups are in the 1 : 3- or 1 : 4-positions; Q1, Q11, Q111 are each hydrogen or halogen atoms, lower alkyl or lower alkoxy groups; Z is either a hydroxyalkyl radical -Y-OH, an acyloxy radical -Y-O-Ac1, a hydrocarbyloxyalkyl radical -Y-O-R, or a hydrocarbyl radical R (where Y is an alkylene radical having 2-6 carbon atoms and its two free valency bonds on different carbon atoms, R is a hydrocarbyl radical containing 1-8 carbon atoms, and Ac1 is a carboxylic acyl group having 1-8 carbon atoms); and Ac is a halogenated-alkanoyl radical having 2-4 carbon atoms and one or two halogen atoms, at least one halogen atom being attached at the 2 position (i.e. the a -position) of the alkanoyl; together with an inert diluent alone or with other amoebacides such as chloroquine.
Patent GB-443358-A (GB)
Title: Improvements in flushing apparatus for sanitary and other purposes
IPC: E03D1/12
Filed: 1934-05-24
Abstract: 443,358. Siphon discharge water - waste - preventers. PHILLIPPS, M. T., Esplanade South, Henley Beach, Australia. May 24, 1934, No. 15486. [Class 26] A siphon-discharge waterwaste - preventer comprises bells 2, 9, Fig. 1, of which the inner is situated within a vessel 8 disposed around the down pipe 7 and communicates by an inverted U-tube 10 with a branch of a Y-piece 12 ; the other branches of the Y-piece are respectively connected to the air-space within the bell 2 and to a pressbutton-device 24, adapted to break a water seal produced in the branches by the admission of water through a hole 14: The outer bell 2 has an air-admission pipe 5, and a narrow upper portion 3 to accommodate the pipe 10 and the vessel 8 is externally shaped to accommodate the Y-piece and its branches. The press-button-device includes a piston 31, Fig. 4, with a bushing 34 having a conical surface engageable with a similar surface 27 on a spring-pressed member 26, which also has a press-plate 28, air passages 35<a>, 35<b>, and 35, and a lubricating pad 33 being also provided. An enlargement 20 to receive such water as may be drawn back on the return stroke of the press-button plunger, is provided in the press-button circuit. Specification 416,368, [Group XXIX], is referred to.
Patent GB-782081-A (GB)
Title: Improvements in shampooing preparations for the hair
Inventor: LINCOLN ERIC
IPC: A61K8/36
Filed: 1955-05-31
Abstract: A shampoo preparation comprises a mixture of beer and a detergent, the amount of beer being from about 5-75 per cent by weight of the mixture.  The detergent may be solid, soft or liquid soap, or a synthetic detergent such as an alkyl sulphate in the form of the sodium or triethanolamine salt, or mixtures of such compounds.  The beer is preferably a "bitter" beer.  Albumen, an organic acid such as citric, lactic or tartaric acid, a water softener such as sodium hexameta-phosphate, perfume, and colouring material may also be incorporated.
Patent GB-983470-A (GB)
Title: An improved ash receptacle with tongued hinge
IPC: A24F19/00
Filed: 1963-04-19
Abstract: 983,470. Smokers' ash-trays. HAPPICH G.m.b.H. GEB. April 19, 1963 [May 8, 1962; June 30, 1962], No. 15562/63. Heading A2M. An ash receptacle has a swing-action lid 5 articulated to the ash container 6, the lid and the ash container having moulded profiles 1, 2, at their hinge edges, one profile 1 fitting into the other 2 to form the articulation. The profiles may extend over the entire length of the hinge edges and a flat spring 3 presses the lid profile into the profile of the ash container. The profiles may present round cross-sections (Fig 1) or may be angular or V-shaped to form triangular sharp-cornered cross-sections (Fig. 2, not shown). The spring 3 may be clipped or riveted to the wall of the container 6. A projection may be provided on the edge of the lid 5 which coacts with the spring 3 to help secure the lid in its extreme positions (Fig. 3, not shown). In an alternative embodiment, (Fig. 7) the case 100 of the ash receptacle has a surround 52, with a turned-down edge 30. At the rear the edge 30 and surround 52 are partly cut away and a lid 44 is bent over at the rear edge and has tongues 60 (Fig. 10) projecting at each end. The tongues extend below the edge 30 thus forming the hinge. The lid may be horizontal or sloped and may be padded.
Patent GB-1462501-A (GB)
Title: Current stabilised power  supplies
IPC: H01F27/16
Filed: 1974-04-09
Abstract: 1462501 Transformers M Y KOROTKOV N D MOSKALENKO B V STEFANOV K F SMIRNOVA and V E BULYGIN 9 April 1974 15572/74 Heading HIT [Also in Division G3] A power transformer for use in a high-power current stabilizer (see Division G3) comprises a secondary winding in the form of a rigid busbar 7 embraced by a magnetic core 5 carrying primary windings 6. Sections 9 of the core 5 separated by oil-impregnated wood gaskets 14 comprise laminations punched from coldrolled transformer steel such that the direction of rolling coinsides with the longitudinal axis of the core arms. The primary winding 6 is built up from U-shaped copper tubes 17 of rectangular cross-section with the U-shaped ends of adjacent layers alternately disposed at opposite ends of the core. Turn to turn insulation is provided by a strip 19 of fibreglass alminate and awrapping (20, Fig. 7, not shown) of glass micanite tape. The winding is insulated from the core arms by insulating sheets 11 and 12 and secured by oil-impregnated wooden wedges 21 and insulating plates 22. The winding on each core arm is interleaved (Fig. 8, not shown), connections between turns being made with copper tubes 50, which may be shunted by copper jumpers (51, Fig. 9, not shown). The winding on one core arm may be connected in series or parallel with that on the other. The coolant circuit for the primary winding is completed with rubber hoses 53, 55 and pipe unions 58 at inlets and outlets. The secondary winding 7 comprises two copper conductors welded together (59, Fig. 11, not shown), or a cylindrical pipe pressed into rectangular cross-section, and is insulated with glass mica tape (63). A pipe union (62) is fitted to each end of the bus-bar to allow coolant to be supplied to the internal duct. The sections 9 of the magnetic core are held in rigid alignment by non-magnetic covers 13, 13<SP>1</SP>, tie rods 16, and epoxy-based compound 15 which is poured into each cover and over the gaskets 14.
Patent GB-379353-A (GB)
Title: An improved stretcher for trousers and materials
IPC: A47G25/72
Filed: 1931-05-28
Abstract: 379,353. Trouser stretchers. LEE, A. E., 142, Littleheath Road, Selsdon, Surrey. May 28, 1931, No. 15622. [Class 141.] A trouser stretcher of the telescoping rod type comprises a frame 1 provided with rods 12 capable of sliding in. channels 13 in a frame 11. Springs 11 are capable of maintaining the frames separated but when compressed may be locked by a catch 19. At one end a batten 5 is provided, and is attached as by a hinge 6 to a lower batten, In operation, the lower ends of the trousers are gripped by the battens and pressure applied by a hinged spring 7, the frames being closed towards one another and maintained in position by the catch. The trousers are then wrapped around the frames and a spring 10 fastened on to the top of the trousers. Thereupon the catch 19 is released to allow the frames to separate.
Patent GB-667401-A (GB)
Title: Improvements relating to centrifugal electric switching arrangements
Inventor: PRICKETT ALFRED DONALD
IPC: H01H35/10
Filed: 1949-06-13
Abstract: 667,401. Centrifugal switches. LUCAS, Ltd., J. June 1, 1950. [June 13, 1950] No. 15642/49. Class 38 (v). [Also in Group XXIV] A switching arrangement which may be used for the control of a road vehicle automatic gear change mechanism, comprises two centrifugally-operated switches, one having contacts b, d which close at a given low speed and the other having contacts c, e which close at a relatively high speed, and an electromagnet h adapted to close contacts j to maintain a holding circuit for itself and contacts k in the circuit to be controlled. The centrifugal switches are mounted on a common rotary body a and the "moving" contacts d, e are carried by spring blades f, g which may be provided with loading masses, i, i<SP>1</SP>. Connections to the contacts may be made by means of slip rings (not shown). In operation, the contacts b. d close at e.g. 350 r.p.m., and the contacts c, e at e.g. 1,500 r.p.m. A circuit is now completed from a battery l through both pairs of contacts to energize the electromagnet h which closes its contacts k, j. When the speed drops and contacts c, e re-open the circuit for the electromagnet remains completed through contacts b, d and j.
Patent GB-1180475-A (GB)
Title: Phosphonitrilic Compounds and Stabilisation of Polymers Therewith
IPC: C07F9/6581
Filed: 1967-04-05
Abstract: 1,180,475. Phosphonitrilic compounds. HERCULES Inc. 5 April, 1967 [28 April, 1966], No. 15683/67. Heading C2C. [Also in Division C3] The invention comprises phosphonitrilic compounds of the formula wherein R is an alkyl group, one R<SP>1</SP> is H and the other R<SP>1</SP> is alkyl, Z is selected from -O- -S-, -NH- and -NR<SP>11</SP> and Y is selected from halogen, R<SP>11</SP>S, -NH 2 , R<SP>11</SP>NH-, and R<SP>11</SP> 2 N-, where R<SP>11</SP> is a monovalent hydrocarbon radical, m is 0 to 20, a is 0 to 500, b is 0 to 500 and a + b is from 3 to 500, preferably 3 to 100, and more preferably 3 to 10. Preferably R and the R<SP>1</SP> ortho to the OH group are C 4 -C 9  tertiary alkyl groups and the R<SP>11</SP> radicals which may be aliphatic (including cyclohexyl) or aromatic suitably contain 1 to 20 C atoms. The products may be obtained by condensing a phosphonitrilic halide, e.g. chloride, bromide or iodide with the appropriate dihydric phenol, phenol alcohol, mercaptan or amine, if desired in the presence of a catalyst, e.g. copper oxide, copper sulphate, magnesium oxide or magnesium chloride. The phenoxy substituted phosphonitriles are preferably obtained by condensing a sodium dialkyl-4-hydroxyphenoxide with a phosphonitrilic chloride in a mixture of diethylether and dioxane with strict exclusion of air. Any remaining halogen atoms attached to phosphorus may be further reacted with an appropriate mercaptan, preferably as the metal salt, e.g. sodium dodecyl mercaptide or with an excess of ammonia, R<SP>11</SP>NH 2  or R<SP>11</SP> 2 NH. Examples are given for the production of hexakis - (3,5 - di - tert - butyl - 4 - hydroxyphenoxy) cyclophosphatriene. Several other cyclotriphosphazatriene and cyclotetraphosphazatetraene compounds of the above formula are also specified including a phosphonitrilic chloride rubber in which 80% of the chlorine atoms have been replaced by 3,5-di-tertiary butyl-4-hydroxyphenoxy groups and 20% by diethylamino groups. The products are useful for the stabilization of polyolefins. Reference has been directed by the Comptroller to Specification 812,126.
Patent GB-1157713-A (GB)
Title: Articulated Vehicles
IPC: B62D53/02
Filed: 1967-04-06
Abstract: 1,157,713. Articulated vehicles. INTERNATIONAL HARVESTER CO. 6 April, 1967 [27 Oct., 1966], No. 15799/67. Heading B7H. [Also in Division E2] An articulated materials handling vehicle comprises front and rear frame sections 12, 14 connected about a vertical pivot axis 16 by spaced hinges 30, 32, each of which transmits load between the sections in one direction axially of the hinge only and comprises an unsymmetrically truncated ball 54 which is rotatably mounted on a pin 34 secured to one frame section and is housed in a mating socket 56 secured to the other frame section. The pin 34 is secured in aligned apertures 36, 38 through tongues 22 projecting from the rear frame section 14 by a nut 42, and is prevented from rotating in the tongues by a lock plate 41 which is welded to the pin-head 40 and includes an arm secured against an abutment on one tongue 22 by an adjustable locking cam (Fig. 5, not shown). An aluminium bronze collar 50 supported by the head 40 transmits axial load to the larger end face 52 of the ball 54. The socket 56 is press-fitted into an aperture in a tongue projecting from the front frame section 12. The ball 54 normally rotates with the socket relative to the pin 34 and collar 50, and moves in the socket only to accommodate misalignment of the tongues 18, 22. Lubricant passages 66, 68, 72 and grooves 70, 74 provide for lubrication of the bearing surfaces.
Patent GB-328477-A (GB)
Title: Improvements in bracket or arm seats for tramway and other poles
IPC: E04H12/24
Filed: 1929-05-24
Abstract: 328,477. Spencer, Ltd., J., and Spencer, Sir T. H. May 24, 1929. Posts.-A bracket or arm seat for tramway and other poles comprises a strip of metal bent to a U-form, the two parallel arms a being perforated and expanded to fit an arm e, and the curved base b being inwardly bent to form a seating c for the pole f, which is held by the usual clips. The curved part c presses against the arm e and is inwardly stepped at the centre to form two spaced seating surfaces for the pole f. The metal strip may be welded in place at j.
Patent GB-129366-A (GB)
Title: An Improved Electrical Heater.
IPC: F24H1/10
Filed: 1917-11-03
Abstract: 129,366. Nobbs, C. G., and Falkirk Iron Co. Nov. 3, 1917. No Patent granted (Sealing fee not paid). Heating by electricity.-An electric-heating attachment for water, oil, or other pipes consists of two or more similar parts each comprising three flanged plates forming inner and outer compartments for the heating-element and heat insulation respectively. In the form shown, the two parts are clamped upon the pipe c by bolts m, and the plates e, h, d are of springy-metal riveted together at their flanges. The heating-element of wire wound on mica is packed between spring steel plates a<1>, b<1> with mica insulation. The outer compartment may be empty or packed with mica borings or asbestos. The outer plates may be of polished nickel, copper, tin, or aluminium. The heating-elements have separate terminals o for series or parallel connexion, and may be enclosed within an outer casing. The heater is applicable to the water-circulation pipes of aeroplane or other engines to the oil-supply pipes of oil-fuel furnaces and engines, and other purposes.
Patent GB-187272-A (GB)
Title: Improvements in or relating to valves for pneumatic tyres
IPC: F16K15/20
Filed: 1921-06-10
Abstract: 187,272. Schrader's Son, Inc., A., and Schweinert, M. C. June 10, 1921. Addition to 157,174. Tyre valves.- A tyre valve of the type having a supplementary casing secured in the main casing by a loose coupling surrounding the supplementary casing has a valve seat at its lower end and has the outer end of the supplementary casing open to receive the insides of a different type of valve. The supplementary casing b has a packing washer d held in a groove c and adapted to be pressed against a shoulder e in the main casing by a coupling h provided with a long bearing j, and arranged to screw into the main casing. Rotation of the supplementary casing is prevented by lugs f engaging grooves or slots in the casing a. The lower end of the casing b has a conical seat m to co-operate with a dolly pin valve member n or a loose ball valve. The upper part of the member b is chambered out to receive valve insides comprising a seat member o held in position by a screwed ring # and adapted to co-operate with a lift valve t loaded by a spring 2 bearing against an abutment 3.
Patent GB-237708-A (GB)
Title: Improvements relating to drop down guns
IPC: F41A15/06
Filed: 1924-07-04
Abstract: 237,708. Baker, W. July 4, 1924. Breech actions, drop-down barrel. - Ejecting mechanism for single-barrelled and under-andover guns, comprises a sliding extractor a, a sear k engaging a notch in the extractor, provision being made for an initial extracting movement, a cam lever f operated by a projection on the body when the gun is opened, and an intermediate plunger d and spring e for transmitting movement from the lever to the extractor leg. The sear k is tripped by the lever f towards the end of the opening movement, the previously compressed spring e then causing the ejecting movement. If the cartridge offers excessive resistance during the opening of the gun, the spring e becomes fully compressed and the plunger d itself bears against the extractor and forces it out. The sear may be turned to the operative position by a spring, or, when it is desired to make the ejector mechanism selective, by means dependent on the firing mechanism. As shown, the sear is raised by a rod p actuated by a second rod o when the firing hammer n has fallen. Specification 5966/89 is referred to.
Patent GB-1037687-A (GB)
Title: Improvements relating to blends of olefin polymers and copolymers
IPC: C09D5/25
Filed: 1964-04-17
Abstract: A blend of ethylene polymers has a density of 0.950 to 0.960, preferably 0.956 to 0.959 gm./c.c., a melt index of 0.1 to 1.0 and an environmental stress cracking resistance (ESC) greater than 30 hours, said blends comprising (a) 20 to 60 weight per cent of a copolymer of ethylene and a C3- 8 alpha olefin of density of 0.920 to 0.950, high load melt index of 0.1 to 20 and ESC greater than 500 hours and (b) 80 to 40 weight per cent of an ethylene homopolymer of density at least 0.955, melt index 1 to 20 and ESC less than 10 hours.  The compositions may be blow moulded to form bottles, or extruded to form filaments, pipes and wire coatings.  Examples describe blends of polyethylene and ethylene/butene-1 copolymers.