baber/WOPTO huggingface dataset:
Patent GB-1120404-A (GB)
Title: Novel thermoplastic elastomeric compositions
Inventor: BREEN ADRIAAN WOUTER VAN
IPC: C08L25/10
Filed: 1967-02-09
Abstract: Thermoplastic elastomeric compositions comprise (1) 100 parts of a block copolymer A-B-A, where each A is an independently selected polymer block of a vinyl aromatic hydrocarbon and B is a polymer block of a conjugated diene hydrocarbon, and (2) 2 to 200 parts of a non-segmented, i.e. random copolymer of a vinyl aromatic hydrocarbon and a conjugated diene containing more than 50% of vinyl aromatic hydrocarbon.  The compositions may be prepared by standard techniques and may also contain fillers and extender oils.  In the examples, polystyrene - polybutadiene - polystyrene block copolymers are compounded with styrene-butadiene copolymers or, in comparative examples, with polystyrene, and also with an aromatic extender oil, carbon black, a silica filler, and with ground whiting.
Patent GB-450211-A (GB)
Title: Power-transmitter
IPC: D05B69/16
Filed: 1936-02-29
Abstract: 450,211. Friction clutches; operating clutches. FAIRWEATHER, W. C., 65, Chancery Lane, London.-(Singer Manufacturing Co. ; Elizabeth, New Jersey, U.S.A.) Feb. 29, 1936, No. 6165. [Class 80 (ii)] In a power transmitter for sewing-machines, a driving clutch disc 27, Fig. 1, which is integral with a belt pulley 28 driven from a power shaft, is journalled through a pair of spaced ball bearings 24 on a pin 21 fixed in one arm 8 of an inverted U- shaped frame 10. The driven clutch disc 36 is secured on one end of a shaft 35, to the other end of which is secured a belt pulley 37 for driving the sewing - machine, the shaft 35 being journalled through ball bearings 34 in a sleeve 19 supported in the other arm 9 of the frame 10, this arm having a removable portion 17, Fig. 5. A helical rib 33 on the sleeve engages a helical groove 32<1> in the portion 17, and to the sleeve 19 is clamped an arm 39 linked to a treadle, whereby the sleeve can be rotated and thus caused to move axially to bring the clutch discs into engagement. A retracting spring 41, Fig. 3, connects the arm 39 to an arm 42 which is adjustably held on the arm 9 by a screw 48 passing through a curved slot 47. A screw 44 adjustably threaded in the arm 9 and passing through the slot 47 carries a brake shoe 45 which engages the disc 36 when the clutch is disengaged, the shoe being prevented from rotation by projections 46 engaging the sides of the frame 10. The latter is suspended by pivots 6 from a bracket 2 and has an extension 14 which is held between nuts 15 on a threaded rod 12 suspended by a pivot 11 from the bracket 2, whereby the frame can be adjusted angularly so as properly to tension the belt driving the pulley 28.
Patent GB-588989-A (GB)
Title: Improvements in or relating to planographic printing plates and their manufacture
IPC: B41N1/14
Filed: 1945-03-13
Abstract: 588,989. Printing-surfaces. ADDRESSOGRAPH-MULTIGRAPH CORPORATION. March 13, 1945, No. 6258. Convention date, May 15, 1944. [Class 100 (ii)] [Also in Group XV] A planographic printing-plate is formed of a parchmentized waterleaf formed from cellulosic pulp prepared to a viscosity of from 0.5 to 3.5 poises. It is preferably parchmentized to such an extent that it has an opacity of from 50 to 60 per cent. and so as to have a lateral water diffusion rate of not more than 25 mm. in four hours, preferably not over 10 mm. not less than 5 mm., and preferably has a smoothness of not less than 5.5 seconds. The printing-plate may comprise a mixture of hardwood fibres, and other fibres such as softwood fibres or cotton fibres substantially longer than the hardwood fibres preferably prepared to a viscosity of not more than 10 poises, and the fibres are preferably bleached alkali-cooked fibres, such as bleached sulphate fibres, or bleached soda fibres. The plate preferably includes a backing which may be of the kind described in Specifications 493,135, 496,421 and 570,035 which comprise parchmentized printing-plates provided with backing plates. An ink-receptive image is formed on the printing-surface of the plate. Specification 541,672 also is referred to.
Patent GB-751243-A (GB)
Title: Improvements in or relating to magnetic transducing means and methods of constructing same
IPC: G11B5/48
Filed: 1954-03-03
Abstract: 751,243. Magnetic recording and reproducing. BURROUGHS CORPORATION. March 3 1954 [March 11, 1953], No. 6264/54. Class 40(2) [Also in Group XIX] A combined reading and recording head for a magnetic drum recorder consists of closed ring core 10, Fig. 1, having read and record coils 13, 14, and a short - circuited winding 12 which transfers energy from the head to the drum. To fix the wire 12 in position it is wound round the core and over a resilient metal shim 24, Fig. 3, and soldered, the shim serving to conduct heat away from the wire during soldering, thus preventing deformation, and to tension the wire. In operation the head is positioned with the wire 12 close to the drum surface so that that part of the drum surface nearest the wire is moving parallel to the axis of the core.
Patent GB-228092-A (GB)
Title: Improvements in motor power plants
IPC: F02B41/08
Filed: 1924-03-11
Abstract: 228,092. Curtis, C. G., and Newton, E. R. Jan. 24, 1924, [Convention date]. Two - stroke - cycle engines ; cylinders, arrangement of ports in. - In a plant comprising a twostroke internal combustion engine discharging into a secondary expansion apparatus, such as a turbine or reciprocating engine, the internal - combustion engine has two sets of exhaust ports which are opened successively, scavenging being effected at an approximately constant super-atmospheric pressure. Partially expanded gas in the twostroke engine 10, Fig. 5, is transferred through ports A to the nozzles A<2> of a turbine stage 17. Compressed air is admitted by ports C, and the secondary exhaust ports B are opened at the end of the stroke, air and exhaust gas being thereby led to the second stage nozzles B<2> of the turbine. The first stage chamber 17 acts as a reservoir to steady the fow. The ports C, A, B are controlled by the oppositely moving pistons 12, 13. The turbine drives a compressor 25 supplying the air to the ports C. In a modification, Fig. 7, wherein the two-stroke engine 10 discharges into a reciprocating engine 21, the two sets of exhaust ports commmunicate with a common pipe 36 leading to the admission port of the cylinder 21, which has a valve-controlled exhaust port 24. Instead of being controlled by the pistons, the ports C, A, B may be valve-controlled, and single exhaust ports may be substituted for the double ports.
Patent GB-1310588-A (GB)
Title: Copolymer resins
IPC: A61K8/81
Filed: 1970-02-10
Abstract: 1310588 Copolymers L'OREAL 12 June 1970 [12 June 1969] 6304/72 Divided out of 1310587 Heading C3P A copolymer resin derived from at least one monomer taken from at least two of the following groups, in which the weight percentage of the units derived from one of the monomers through the entire length of any constituent copolymer chain in the resin does not differ from the weight percentage of the units derived from the said monomer in the resin by more than 2À5 weight per cent, the groups being: (I) vinyl acetate, vinyl propionate, vinyl butyrate, methallyl acetate, methallyl propionate, methallyl butyrate, allyl acetate, allyl propionate, allyl butyrate, crotyl acetate, crotyl propionate, crotyl butyrate, methyl crotonate, butyl crotonate, octyl crotonate, ethyl vinylacetate, butyl allylacetate, hexyl allylacetate, ethyl allyloxyacetate, octyl allyloxyacetate, ethyl allylthioacetate, octyl allylthioacetate, ethyl allylaminoacetate, octyl allylaminoacetate, diethyl allylmalonate, methyl undecylenate, butyl crotyloxyacetate, ethyl methallyloxyacetate or ethyl vinyloxyacetate; (II) 3-butenoic acid, 4-pentenoic acid, 10-undecenoic acid, allylmalonic acid, crotonic acid, allyloxyacetic acid, crotyloxyacetic acid, methallyloxyacetic acid, 3 - allyloxy - propionic acid, allylthioacetic acid, allylaminoacetic acid or vinyloxyacetic acid; and (III) vinyl octanoate, vinyl laurate, vinyl palmitate, vinyl stearate, vinyl isostearate, allyl laurate, methallyl laurate, allyl stearate, methallyl stearate, allylisostearate, methallyl isostearate, allyl behenate, methallyl behenate, crotyl laurate, allyl oleate, oleyl crotonate, lanolin crotonate, lauryl vinylacetate, stearyl allylacetate, lauryl allyloxy acetate, lauryl allylthioacetate, lauryl allylaminoacetate, dioctyl allylmalonate, octyl undecylenate, cetyl-vinyl ether, stearyl-vinyl ether, lauryl-allyl ether, lauryl methallyl ether, stearyl-orotyl ether, 1 - allyloxy - 3 - dodecyloxy - propanol - 2, 1- allyloxy - 3 - dodecylthio - propanol - 2, 1- hexene, 1 - octene, 1 - dodecene, 1 - hexadecene, 1 - octadecene, 1 - eicosene, or N- vinylpyrrolidone. When one of the monomers used is acidic, the polymer may be neutralized by use of an inorganic or organic base in an amount which is 50-100% of that required stoichiometrically. Organic bases such as monoethanolamine, diethanolamine, triethanolamine, an isopropylamine, morpholine, 2- amino - 2 - methyl - propanol - 1, or 2 - amino- 2 - methyl - propane - diol - 1,3. The required properties of the polymer are obtained by careful monitoring of calculated amounts of monomers added during polymerization. It is also possible to continuously monitor the resistivity of the polymerization medium, this giving an indication of the amount of most reactive mono - mer consumed, or remaining.
Patent GB-664521-A (GB)
Title: Continuous mining apparatus
IPC: E21C27/26
Filed: 1949-03-10
Abstract: 664,521. Endless-chain mining-machines. JOY MANUFACTURING CO. March 10, 1949. [March 30, 1948] No. 6534/49. Class 68 (i). A self-propelled mining-machine comprises a mobile chassis 1 on which rotates, about a vertical axis 2, a turntable having mounted thereon, on transverse pivots, a boom 4 which can be swung in a vertical plane, about said pivots, by jacks 115. Slidably mounted on the guide surfaces 107 of the boom 4 is a combined cutter and hopper unit 5, 18 which can be advanced or retracted with respect to the boom by jacks 110. The contours of the surfaces 107 are such that the cutter-hopper unit is advanced parallel to the mine floor when the boom is in its lowermost position and moves downwards away from the roof on being retracted when the lower boom is in the uppermost position. The cutter assembly comprises a plurality of endless chains disposed in parallel relationship with the bit blocks in transverse staggered formation and the disintegrated mineral is carried to the rear by the uppermost run of the chains and dropped into a hopper 18 provided with breakers and thence onto a conveyer 9 suspended below the boom. The mineral is dropped by this conveyer onto a scraper conveyer 6 passing rearwards up through the mobile chassis. The nose portion of this conveyer is provided with laterally disposed screw conveyers 7 driven by the scraper conveyer and this nose portion is vertically adjustable. A motor 16 drives, through suitable gearing, a transverse shaft which operates two worm-wheel units that drive two gear wheels 90 which mesh with a segment 92 on the turntable.
Patent GB-595357-A (GB)
Title: Improvements in or relating to power plants
IPC: F02C7/36
Filed: 1944-04-08
Abstract: 595,357. Differential gearing. POWER JETS (RESEARCH & DEVELOPMENT), Ltd., and BRAME, E. April 8, 1944, No. 6590. [Class 80(ii)] [Also in Group XXVI] In a gas turbine plant, the turbine drives an air compressor and another machine through differential gears. In Fig. 1 in a plant arranged for combined jet and airscrew propulsion the turbine rotor 2 drives an air-compressor 7 and an air-screw 26 through differential gears 22, 20, 21. Various forms of equivalent differential gears with crown wheels of different diameters are shown.
Patent GB-595427-A (GB)
Title: Variable pitch propeller
IPC: B64C11/34
Filed: 1945-03-15
Abstract: 595,427. Variable-pitch propellers. ENGINEERING & RESEARCH CORPORATION. March 15, 1945, No. 6598. Convention date, June 1, 1944. [Class 114] The pitch of an aircraft propeller is controlled by the dynamic air pressure exerted on a forward facing plate. The plate 100 exposed to the air pressure due to forward movement adjusts the position of the valve 56 against the face of the control spring 106. The valve controls pressure liquid flow to either side of the fined piston 22, thus moving the cylinder 20 to turn the blades 16. The characteristic of the spring is arranged so that the pitch is the optimum one for the linear speed at any instant. In a modification applied to pusher propellers, the plate 100 is enclosed in a rearward facing compartment to which air is led from a forward facing pipe.
Patent GB-415807-A (GB)
Title: A new or improved device for holding books, newspapers and other articles
IPC: A45C13/40
Filed: 1933-03-06
Abstract: 415,807. Clips. OTTINO, G. P., 18, Lonsdale Road, Kilburn, and HOLLAND, C. A., 67, Dynham Road, West Hampstead, both in London. March 6, 1933, No. 6759. [Class 44.] A clip for holding books, newspapers and other articles to a suit-case or the like consists of a plate with upper and lower portions a, b and an intermediate curved portion c. Multiple jointed hinges, each having four leaves e, f, g, h, have the leaves h attached to the part b by screws, and the leaves e attached to the suitcase by screws m secured by thumb nuts n. The hinge pins k<1> are encircled by helical springs, and the parts a, b are displaced relatively to enable the part a to bear against the surface of the suit-case. A stick or umbrella may be carried in the curved portion c, and books or papers between the part a and the supporting surface.
Patent GB-1122542-A (GB)
Title: Injection moulding machine
IPC: B29C45/07
Filed: 1966-02-16
Abstract: 1,122,542. Injection moulding machines. LESTER ENG. CO. 16 Feb., 1966 [3 March, 1965], No. 6818/66. Heading B5A. An injection moulding machine has an axially reciprocable injection screw 12 in an injection cylinder 10 which can be pivoted into and out of register with the inlet of a mould 4, 6, and means 83, (100...102) responsive to pre-determined retraction of the screw 12 to swing the cylinder 10 from a position in which its nozzle 11 is out of register with the mould inlet to a position in which it is in register therewith. In one example, Fig. 4, Fig. 9 (not shown), the injection nozzle 11 has a cylindrical or part-spherical end face of the same curvature as a sprue insert member 60. In a modification, Fig. 10 (not shown) the nozzle has a spherical tip (62) engaging a depression (63) in an insert (64) which is slidable laterally with respect to a sprue bushing (65). Pivoting of the cylinder 10 is effected by a double acting cylinder 83 and piston rod 84 carrying a vertical shaft 85 engaged in a T-slot 86 in a collar member 70 surrounding the cylinder 10. The injection cylinder can be further pivoted to the position seen in Fig. 2 (not shown) for cleaning purposes, by first moving the cylinder 10 axially to disengage the parts 85, 86 and then by pulling a handle 94. Axial movement of the injection cylinder 10 is effected by a cylinder 91 whose piston-rod 92 is connected to a head 72 engaging a T-slot member 73 secured on the mould frame 3. The injection screw 12 is moved axially to effect injection by fluid pressure cylinders 58 and pistons 57. The screw 12 is keyed in the hub member 34 of a drive gear 35 which is driven through a pinion 40, Fig. 3, clutch 41 and four-speed drive unit 45 by an electric motor 43. Fig. 11 (not shown) shows a circuit diagram for automatic operation of the machine.
Patent GB-752368-A (GB)
Title: Improvements in or relating to indexing mechanisms applicable to television cameras
Inventor: KING GEOFFREY
IPC: H04N5/225
Filed: 1954-03-09
Abstract: 752,368. Lens turrets. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Jan. 26, 1955 (March 9, 1954], No. 6882/54. Class 97 (1). An indexing mechanism for locating the lens turret of a television camera in its operative positions comprises an indexing wheel on the turret and an indexing follower urged towards the periphery of the wheel engaging a notch therein in an indexing position the follower being controlled by the follower of a control wheel, moved in correspondence with the indexing wheel so that the indexing follower can reach the notch only when the indexing wheel is in control position, means being provided to control the speed at which the indexing follower can reach the indexing position when permitted to do so by the control follower. This arrangement prevents undesirable noise when changing from one lens to another. As shown the control follower comprises an arm 5 pivoted at 6 and carrying a roller 4 pressed by a spring 7 against a control wheel 1 which is rotated with the indexing wheel 11. The latter has an indexing notch 14 to be engaged by the roller 17 of an indexing follower 15 pivoted at 16 and urged by a spring 18 towards the wheel 11. In the position shown the roller 17 is held away from the wheel 11 by the end 10 of the arm 5. When the notch 14 reaches the indexing position the roller 4 enters a depression 3 in the wheel 1 which causes the arm 5 to rotate and allows the arm 15 also to rotate and locate the roller 17 in the notch 14. Thus rotation of the arm 15 is controlled by a dash pot 21 comprising a plate 22 moving in a fluid in a container 23 having a one-way valve 24 which damps the movement of the arm 15 and allows engagement of the roller 17 and notch 14 to take place noiselessly.
Patent GB-167453-A (GB)
Title: Improvements in ship's sidelights and the like
IPC: B63B19/00
Filed: 1921-03-02
Abstract: 167,453. Soc. Anon. des Ateliers et Chantiers de la Loire, and Laupretre, C. Aug. 3, 1920, [Convention date]. Addition to 142,130 and 159,831. Cabin and deck lights.-In a ship's sidelight of the kind described in the parent Specifications, comprising a glass holder b provided on its periphery with alternate plain and screwed parts for engaging alternate plain and screwed parts on the interior of the port-hole frame a, an adjustable stop is provided to limit the rotational movement of the holder in the frame to the extent necessary to produce the desired tightening of the holder against the frame. Fig. 1 shows an arrangement wherein the holder b is mounted in a ring h hinged to the frame a, and is provided with trunnions b<3> engaging slots h<2> in the ring, one of the trunnions having an extension b<6> which serves as an operating-handle. The adjustable stop is formed by a brass strip h<4> fitted to the slot h<2>, the length of the strip being adjusted when desired by filing. The cover e, which is provided on its periphery with alternate screwed and plain portions e<1>, e<2> engaging alternate screwed and plain portions f<1>, f<2> on the interior of the glass-holder, may also be provided with a device to limit its rotational movement. This device comprises either a screw 2 in the cover co-operating with a screw 1 in the glass holder or a screw 3 in the glass holder co-operating with the lip 4 at the beginning of one of the screwed portions e' of the cover. The length of the plain and screwed portions are such that the cover can only engage the holder in one position. The locking nut h<3> on the operating handle b<6> is formed with ratchet teeth on its periphery, a special spanner being provided. Fig. 6 shows an arrangement wherein the trunnions b<3> of the glassholder b engage slots in lugs c<5> formed on the porthole frame and slots in the forked ends l<1> of a hinged half ring l<3>. The glass is shown in a position ready for opening which is achieved by pulling the glass holder away from the frame and then turning it through 90‹. The adjustable stop in this case is formed either by a strip l' lying in a groove e in the porthole frame or a strip lying in a groove in the half ring and secured thereto at l<6>.
Patent GB-307351-A (GB)
Title: Improvements in or relating to illuminating devices for embossed photographic films
IPC: G03B21/20
Filed: 1929-03-04
Abstract: 307,351. Soc. Francaise Cinechromatique, ProcÚdes R. Berthon, (Assignees of Soc. Civile pour l'Etude, de la Photographie et de la Cinematographic en Couleurs). March 5, 1928, [Convention date]. Three-colour systems; optical-projection systems.-For the projection and reproduction of embossed photographic films, a powerfully illuminated surface A of the same shape as the emergent pupil of the taking objective is arranged with respect to a large aperture lens B so that its image is formed in be position C correspond. ing to the emergent pupil of the objective by which the film D, to be projected or reproduced, was taken. The film D is positioned so that its distance from the image C is the same as that when taken. In place of the diffusing surface A a transmitting diffusing surface may be employed. The rays passing througn the film D are thus at the same angle as originally in taking the photograph.
Patent GB-490309-A (GB)
Title: Means for detachably connecting a brassiere to a girdle or corset
IPC: A41C1/06
Filed: 1937-03-09
Abstract: 490,309. Wearing-apparel. ROBBINS, P. H. March 9, 1937, No. 6941. Convention date, Oct. 20, 1936. [Class 141] Means for detachably connecting a brassiere to a corset in which the upper part of the corset is adapted to be overlapped by the lower part of the brassiere, comprise spaced anchoring devices provided at the front and back of the corset which are adapted to be detachably engaged in a slidable manner by loops provided at the lower edge of the front and back parts of the brassiere. In the form shown, the front of the corset 2 is provided with spaced anchoring devices 25, 26, each of which is provided with an upstanding coupler 34, Fig. 5, which is shaped to form a passage 37 for receiving an elastic loop 12, or 13, formed at the ends of an elastic band 3 which is stitched to the lower edge of the front of the brassiere. A similar arrangement of elastic band and spaced anchoring devices is provided at the rear of the brassiere and corset. In a modification, Fig. 7 (not shown), the elastic band is adapted to overlap the lower edge of the brassiere at the front and rear. In a further modification, Fig. 8 (not shown), the elastic loops are formed separately, and in this arrangement, the anchoring devices may be elastic and the loops non-elastic.
Patent GB-694821-A (GB)
Title: Improvements in and relating to the treatment of stockings and other shaped textile articles
IPC: D06C5/00
Filed: 1951-03-27
Abstract: 694,821. Finishing fabrics. HELDMAIER, L. Jan. 9, 1952 [March 27, 1951], No. 7043/51. Class 42 (i). A machine for continuously plasticising stockings and other shaped textile articles made of nylon or other polyamide material, comprises an endless conveyer 10 carrying forms for the reception of the articles and a pair of spray boxes 13, or other means for impregnating the articles with water or other liquid, spaced along the conveyer run : the conveyer takes the articles on the forms, after they leave each spray box 13 and before they reach the other spray box, firstly through a pre-heating chamber 15 in which the articles and forms are pre-heated to a predetermined temperature, and secondly through a plasticising chamber in which the articles are subjected to the combined action of moisture or steam and radiant heat in known manner. The use of a pre-heating chamber reduces the time the articles need to spend in the plasticising chamber. Steam or other radiators, or circulating hot air, under thermostatic control, may be used in chambers 15. Infra-red lamps 17, Fig. 1, or superheated steam pipes, may be used to provide the radiant heat in chambers 16 ; alternatively, the forms 11, Fig. 2, may pass between the inner walls 18 of the plasticising chamber 16, the space between the inner and outer walls being heated by gas jets 19. As shown, articles are loaded onto the forms at loading stations 12 and removed at stripping stations 20 ; after leaving chamber 16 and before removal at station 20 the articles may be subjected to a known conditioning treatment.