baber/WOPTO huggingface dataset:
Patent GB-654141-A (GB)
Title: Improvements in or relating to composite or laminated sheet materials, for example sandblast stencils
IPC: B05C17/06
Filed: 1946-06-12
Abstract: 654,141. Sand blast stencil. MINNESOTA MINING & MANUFACTURING CO. June 12, 1946, No. 17645. Convention date, Jan. 11. 1940 Drawings to Specification. [Class 60] [Also in Groups VIII and XVI] A sandblast stencil sheet comprises a lamination consisting of at least two layers, one being a rubber-compounded blast-resistant layer and another containing   uncured rubber, and an adhesive coating on an exposed face of the lamination. A back-sizing may be fixed on the non- adhesive surface of the lamination. The adhesive may be adjacent to the blast-resistant layer or to the layer containing the uncured rubber, and this uncured rubber layer may comprise a unified permanent liner impregnated with a composition comprising uncured rubber, the liner being a unified fibrous sheet of e.g. cellulosic material, paper or fabric. The backsizing may be a cellulose derivative e.g. ethyl cellulose, glue or resin. and the blastresistant layer a comminuted base material bonded together by rubber, or it may contain rubber and a toughening agent comprising glue. It may also contain vulcanized rubber and a material serving to render the rubber tough and inelastic.
Patent GB-1222836-A (GB)
Title: Nuclear reactor core and control element arrangement
IPC: G21C3/326
Filed: 1968-04-11
Abstract: 1,222,836. Reactors. COMBUSTION ENG. Inc. 11 April, 1968 [14 April, 1967], No.17676/68. Heading G6C. In a pressurized water reactor, having control rods movable axially in the core, large axial coolant channels and control rods, are disposed among the fuel assemblies so as to provide a reduced maximum to average core power distribution. The control rods and coolant chanels are spaced several neutron diffusion lengths apart. The fuel elements 46 are supported by the spacer grids 50 and tubes 56 are regularly disposed among the fuel elements. Every other fuel assembly in the core is associated with a control rod assembly which is movable in the tubes 56 and the tubes provide a regular coolant channel pattern throughout the core. In order to protect the control rods 66 from turbulent coolant flow, a casing 78 is mounted on the plate 30. The plate 30 prevents fuel assemblies being forced upwards by coolant flow. The control rod supporting spider 68 bears against the guide strips 82 inside 78. Those tubes 56 not occupied by rods 66 are provided with fixed restrictions which limit the coolant flow. The tubes 56 extend beyond the upper ends of the fuel elements to provide the control rods with protection from the coolant flow.
Patent GB-634808-A (GB)
Title: Improvements in or relating to cellulose ether compositions
IPC: C08K5/13
Filed: 1947-07-07
Abstract: Thermoplastic cellulose ethers are stabilized by the addition thereto or incorporation therein of diisobutylphenol.  The process is applicable to ethyl cellulose of ethoxyl content 37-52 per cent (preferably 43-48 per cent) and having a viscosity of at least 20 centipoises (measured on a 5 per cent solution in 80 : 20 toluene: alcohol at 25 DEG  C.), and also to any other thermoplastic cellulose ether such as propyl cellulose, ethyl propyl cellulose, ethyl butyl cellulose, methyl ethyl cellulose and benzyl cellulose.  The ethers should be substantially acid free.  If desired a sulphur dioxide producing compound may also be added, or the effect of this obtained by moulding in an atmosphere of sulphur dioxide or exposing the flake cellulose ether or the moulding powder to an atmosphere of sulphur dioxide prior to moulding.  The diisobutylphenol is added in amount from 0.5-5 per cent (preferably 1-3 per cent) of the weight of the ether.  The amount of sulphur dioxide utilized should be about 0.05-0.5 per cent based on the weight of the ether, the corresponding quantities of preferred sulphur dioxide producing compounds such as butadiene sulphone and sodium dioctyl-sulphosuccinate being about 0.2-0.5 per cent and 0.3-1.0 per cent respectively. Suitable sulphur dioxide producing compounds leaving no residue on heating are the sulphones from butadiene, piperylene, isoprene, 2-methyl pentadiene, amyldiene.  Other compounds leaving a residue which will function as a plasticizer are the sodium dialkyl-sulpho-succinates such as sodium dioctyl sulphosuccinate, and alkyl sulphites, acetone bisulphite, sodium formaldehyde sulphoxylate may also be used, as may inorganic compounds which release sulphur dioxide on heating to 200 DEG  C. These inorganic compounds tend to produce haze on moulding.  Other materials which may be incorporated are plasticisers, such as dibutyl phthalate, diethyl phthalate, butyl stearate, triphenyl phosphate, tricresyl phosphate, raw castor oil, non-volatile mineral oils, methyl phthalyl ethyl glycollate, hydrogenated methyl abietate, resins such as oil-soluble phenol-aldehyde condensates, ester gum, hydrogenated glycerol abietate, pentaerythritol abietate, rosin, oil-modified alkyd resins, waxes such as paraffin, microcrystalline petroleum, carnauba, candelilla, montan and japan waxes, and pigments, dyes and fillers.  Examples are given.ALSO:In moulding cellulose ether compositions containing di-isobutylphenol and, if desired, plasticizers and fillers, the operation may be carried out in an atmosphere of sulphur dioxide to stabilize the moulded article against the effect of heat and light.  Compounds which liberate sulphur dioxide when heated to not more than 200 DEG C. may be incorporated in the composition if desired.  Ethyl cellulose, propyl cellulose, ethyl propyl cellulose, ethyl butyl cellulose, methyl ethyl cellulose and benzyl cellulose may be so stabilized.
Patent GB-121175-A (GB)
Title: Improvements in Dough Dividing and like Machines.
Inventor: EMBREY LAURENCE
IPC: A21C5/00
Filed: 1917-12-04
Abstract: 121,175. Embrey, L. Dec. 4, 1917. Automatic-feed weighers. -Relates to dough-dividing machines in which the dough is automatically severed by a knife controlled by weighing-mechanism. The dough is fed from a hopper 1 by feed rolls 2, 3 fitted with paddles 5 operated by cams 7, 8 , adjustable by levers 11, 12, and passes through a throat 4 having an adjustable wall 28 on to a belt 61 which delivers it to a belt 59 forming part of the scale pan. A knife 33, normally held up by triggers 40, is released by the weighing-device and descends under the influence of springs 34 to sever the dough. The feed roll 2 is mounted in bearings 30 adjustable by screws 26 supported in lugs 73 by collars 72, which screws are adapted to adjust simultaneously the wall 28 of the throat 4 through links 31 and the hopper wall 76 by engaging threaded lugs 77. Upon descent of the scale pan 59, the weight pan 65 raises a rod 46 and overbalances a weighted lever 43 furnished with a projection 49 which engages with and rocks a member 51 carrying a pin 50 adapted to trip the triggers 40. Rocking of the member 51 also removes a pin 48 from beneath a pawl 37 on a cam 35 allowing the pawl to engage a constantly-running ratchet 36 to rotate the cam and restore the knife 33. A second cam 56 engages a pin 66 on the projection 49 and restores the lever 43. At the end of a revolution of the cams, the member 51, rocked partly by gravity and partly by springs behind the triggers 40, trips the pawl by the pin 48 and brings a stop pin 54 into the path of a stop 55 on the cam 56.
Patent GB-1160359-A (GB)
Title: Isotopic Electric Generator Using Thermoelectric Elements.
Inventor: FREUND JEAN-PIERRE
IPC: G21H1/10
Filed: 1968-04-17
Abstract: 1,160,359. Thermoelectric generators. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION, and COMPAGNIE GENERALE DE TELEGRAPHIE SANS FILS. 17 April, 1968 [24 April, 1967], No. 18145/68. Heading H1K. An electric thermopile generator having a radioactive isotope heat source comprises in a metal housing active thermopile elements 22, having a base of tellurium and bismuth such as Bi 2 Te 3 , Sb 2 Te 3  or Bi 2 Se 3  doped with N-type or P-type impurity, clamped between a support 24 forming the cold contact and a hollow prism 32 containing the isotope forming the hot contact by a spring-loaded thrust rod 40 of heat-insulating material. A packing of thermally and electrically insulating material 56 separates the thermopile and heat source from the housing. Electrical insulation on each end face of the thermopile is provided by a coating of alumina, and electric lead-out wires pass along groove 26 and out of the housing by a leak-proof connector. The housing fits in a vessel (10), Fig. 1, not shown, and is surrounded by heavy radiation-absorbing material such as lead. The housing is filled with a neutral gas such as xenon.
Patent GB-1371511-A (GB)
Title: Transportation
IPC: E01B25/00
Filed: 1971-06-25
Abstract: 1371511 Elevated railway systems, vehicle control F C PERROTT 25 June 1971 27 June 1970 24 July 1970 9 Nov 1970. 1 June 1971] 29993/71 36010/70 53099/70 and 18247/71 Headings B7L and B7N  In a suspended monorail system the vehicles are provided with apparatus for guiding the vehicles over static junctions. Vehicle 380 has a body 382 suspended from bogie 383 which is supported by four pneumatic tyred wheels 385-388 riding on hardwood tracks and normally guided by horizontal wheels 389-392. The bogie is electrically driven from a supply picked up by distribution rails 393. The vehicle is guided over a junction by track selection wheels 395, 396 which are coupled by beam 397 and are pivotable about an axis 398 as the vehicle approaches a junction so that in dependance on the required vehicle they engage either the left or right side of a central guide member 401 which is provided at the junction. During movement to the left as shown the vehicle is supported on two wheels 385, 387 and is held vertical by the co-operation of horizontal guide wheels 389, 392 and the selection wheels 395, 396. Keep plates which co-operate with safety discs on the selection wheels and the support wheels can be provided at the junctions, Figs. 5 and 6 (not shown). The normal speeds of the vehicles are kept constant on the same section of track, this speed being determined by the frequency and voltage of the power supply. For acceleration of the vehicles the distribution rails are divided into sections which are supplied in sequence with voltages at inreasing frequency so that the vehicles are subjected to step by step acceleration. A speed trim is also provided for separation control or for use when the vehicles run as contact trains.
Patent GB-857721-A (GB)
Title: Improvements in or relating to crimping yarns of synthetic linear polymers
Inventor: POWNALL LESLIE
IPC: D02G1/02
Filed: 1958-06-07
Abstract: 857,721. Crimping yarns. BRITISH NYLON SPINNERS Ltd. June 2, 1959 [June 7, 1958], No. 18259/58. Class 120(3). Yarn of a synthetic linear polymer e.g. a polyamide or polyester, is crimped by continuously withdrawing the yarn from a package which is wholly immersed in hot water or hot aqueous dye solution and subjecting the yarn to a deforming treatment e.g. comprising falsetwisting or passage around an edge or through a stuffer-box, which is effective on the yarn while it is heated to an elevated temperature to set the deformation and so that potential crimp is imparted to the yarn. The crimp may then be developed by relaxing the yarn, and/or bulk and stretch properties may be modified by heating the yarn while it is extended by a controlled amount. Specification 797,051 is referred to.
Patent GB-501583-A (GB)
Title: Improvements in automatic cut-outs for electrically heated utensils and appliances
IPC: H01H37/52
Filed: 1937-07-01
Abstract: 501,583. Two-part couplings -combined with switches. PREMIER ELECTRIC HEATERS, Ltd., and NEWTON, A. E. July 1, 1937, No. 18263. [Class 38 (i)] [Also in Group XXXVII] A device for controlling the supply of current to an immersion heater in a kettle or the like comprises a socket on which the immersion heater is mounted, a thermally responsive element, such as a bimetallic strip, on the inner wall of the socket, and an insulating plug in the socket carrying terminal pins and a switch member operated by the thermally responsive element. The Figure shows anarrangcment in which the bimetallic strip 26 curries a bushing 28 into which is screwed a pin 29 with a glass head 30 bearing on a spring blade 23. The blade 23 is mounted on the insulating plug 19 and connected to the contact pin 21 ; it carries one of a pair of contact pieces 24, the-other of which is carried on a rigid piece 22 connected to one end of the immersion heater 13. The pin 29 can be adjusted by means of a tool passed through an opening in the plug 19 to engage a pinion 31. Instead of the pin being adjustable it may engage an adjustable abutment on the blade 23, or an adjustable pin may be mounted on the blade. In a further modification the head 30 enters with a wedging action between the pieces 24. The contact member shown fixed in the drawings may also be mounted on a bimetallic strip, or the two common contact members may also be mounted on such a strip which brings them on heating towards the pin 29.
Patent GB-1303376-A (GB)
IPC: C07C45/43
Filed: 1971-06-01
Abstract: 1303376 Preparation of monochlorobenzaldehyde BAYER AG 1 June 1971 [2 June 1970] 18311/71 Heading C2C Monochlorobenzaldehyde is prepared by hydrolysing the corresponding monochlorobenzal chloride using finely divided iron, or a finely divided or dissolved iron compound, in the presence of water.
Patent GB-376931-A (GB)
Title: Improvements relating to bolt operated fastening devices
IPC: E05B65/10
Filed: 1931-06-25
Abstract: 376,931. Emergency-exit fastenings. SHOWELL & SONS, Ltd., E. and ASTLE, W., Stirchley Brassfoundry, Birmingham. June 25, 1931, No. 18328. [Class 44.] A " panic-bolt " fastening for theatre &c. doors has means for holding the bolts withdrawn until the door is closed, whereupon the bolts are automatically shot. One arm 18a of a lever 18 carrying the usual push-bar engages between projections 7d, 7e on a sliding member 7, the upper end of which has lugs 7a to which the upper bolt 10 is connected, whilst the lower end is coupled through a pivoted member 9 with a sliding member 8 to lugs 8a of which the lower bolt 10 is connected. The bolts are thus withdrawn simultaneously bv pushing the bar, and are shot simultaneously by a spring 11 acting on member 7. The bolts can be released from outside the door by a key inserted in a key-hole 6b, rotated anticlockwise to pass levers 13 and then rotated clockwise to bear on the ends of the levers and slide member 7, the levers being mounted on the slide. The arm 18b of lever 18 carries a gravity-operated pivoted catch 19 adapted to engage a projection 15b fixed on the casing 15 and hold the lever as shown in Fig. 2, with the bolts withdrawn. The catch is moved out of engagement to release the bolts by upward movement of a pin 20a extending through a slot in the casing and carried by a lever 20 pivoted inside the casing. A sliding rod 21 biased by a spring 22 and with a flange 21b and rounded end 21c which projects from the edge of the open door carries a pin 21a engaging a slot in lever 20. When the door is closed the rod 21 is moved inwards, raising lever 20 and releasing the bolts, which are then shot by spring 11.
Patent GB-367281-A (GB)
Title: Improved apparatus for bending or folding sheet metal
IPC: B21D39/02
Filed: 1931-06-25
Abstract: 367,281. Angular bending. JOHNSON, H. A., 406, Euston Road, London. June 25, 1931, No. 18361. [Class 83 (iv).] A hand-operated sheet metal folding machine is provided with a compression spring E or the like interposed between the lower fixed folding member B and the upper cam-operated slidable member A so that these parts are normally pressed apart.
Patent GB-663011-A (GB)
Title: Improvements in and relating to tube assemblies for heat exchangers
IPC: F28D7/06
Filed: 1949-07-12
Abstract: 663,011. Pipe connections for heat-exchangers. BROWN FINTUBE CO. July 12, 1949 [Sept. 13, 1948], No. 18384/49. Class 99 (i). [Also in Group XIII] In heat-exchangers of the kind comprising a pair of parallel outer tubes 10 connected at one end by a return bend, a plurality of finned inner tubes 25 connected by return bends, lateral inlet and outlet tubes 22 for one fluid medium, and terminal inlet and outlet tubes 28 for the other fluid medium, means are provided for sealing the tubes 25 and 28 to the outer tubes 10. The tubes 25 are welded into a fitting comprising a plate 31 and cylindrical extension 32 which is located by a circlip 40 in a groove in the fitting engaging a shoulder 38 in the tube 10. A sealing ring '42 is pressed against bevelled seats in the tube 10 and fitting by a flange 18 and studs 44. A cover-plate 20 to which the tube 28 is welded preferably eccentrically, is sealed by a gasket 46 in a groove 52 and secured by studs 50 on the end of the fitting. The studs 44, 50 all screw into flange 16 of tube 10. Specifications 606,362, 651,465 and 670,574, [bolth in Group XIII], are referred to.
Patent GB-674577-A (GB)
Title: Felt-like fibrous products and methods of making them
IPC: D21H17/26
Filed: 1950-07-24
Abstract: 674,577. Paper and felt containing synthetic filaments. AMERICAN VISCOSE CORPORATION. July 24, 1950 [Feb. 9, 1950; Feb. 9, 1950], No. 18424/50. Class 96. Paper or water-laid felt &c. is made from a suspension of synthetic filaments, e.g. of regenerated cellulose, cellulose acetate, casein, linear polyamides or polyesters, vinyl chloridevinylidene chloride, polyethylene, polyacrylonitrile or co-polymers with vinyl acetate, vinyl chloride, styrene, isobutylene or vinyl α- chloracetate, of length <SP>1</SP>/ 32  to 1 inch and 0 to 90 per cent of natural fibres, e.g. of wood pulp, to which suspension has been added a waterinsoluble, alkali-soluble cellulose ether, e.g. an alkyl, a carboxyalkyl, hydroxyalkyl, or mixed ether or an alkali metal salt of a carboxyalkyl ether to be precipitated, e.g. by dilution or by acid or an acidic salt, into a fine particulate condition and to act as a dispersing agent for the fibres in the pulp and as a binder for the felted product. Such products may be strong and wet-strong paper for tea-bags, towelling, wrappings, paper bags, boxboard, wall-board, insulation, gas-mask filters, absorbent pads, surgical tampons, multiple - ply products, moulded shaped articles, &c. and may be resistant to acids, bacteria and moulds, and may be coated with melamine-formaldehyde resin to form highly transparent overlays, e.g. for table tops, or coated with polyvinyl butyral or may be combined with woven gauze. The acidic precipitant, e.g. sulphuric acid may be applied to the partly-dried, felted product.
Patent GB-492476-A (GB)
Title: Improvements in or relating to dyestuff intermediates
IPC: C09B67/42
Filed: 1937-07-02
Abstract: Preparations for dyeing comprise one or more arylides of b -hydroxynaphthoic acid and/or one or more acetoacetic arylides and sodium metasilicate or mixtures thereof with small proportions of other alkaline-reacting salts such as soda-ash or trisodium phosphate, or aqueous solutions of these ingredients.  In examples, sodium metasilicate in powder or finely crystalline form is intimately mixed, e.g. in a horizontal mixing drum, with: (1) "Brenthol" (Registered Trade Mark) MN Powder; (2) "Brenthol" OT Powder; (3) "Brenthol" AT Powder and trisodium phosphate; (4) "Brenthol" OT Powder and sodaash; (5) "Brenthol" OT Powder and "Brenthol" AT Powder.  Specification 474,638 is referred to.
Patent GB-393620-A (GB)
Title: Improvements relating to variable speed power transmission gearing
Inventor: HAYES FRANK A
IPC: F16H61/662
Filed: 1931-11-27
Abstract: 393,620. Variable-speed friction gearing. HAYES, F. A., Middletown Township, New Jersey, U.S.A. Nov. 27, 1931, No. 18528/32. Convention date, Nov. 29, 1930. Divided on 393,624 and addition to 344,065. [Class 80 (ii).] Comprises means for effecting reversed drive in variable-speed and reversing gearing according to the parent Specification, that is, comprising twin sets of planetary rollers 20 operating by precession. For geared drives ahead, a disc 17 is connected by a clutch drum 29 and splined sleeve 25 to a drum 35 which is braked, and a planet carrying spider 23 is connected through a clutch ring 53 and a clutch drum 48 to the driven shaft 24, as shown. To change to reverse the disc 17 is connected to the shaft 24 and the planet carrier system is arrested or stopped. In the arrangement of the parent Specification, the reversing operation comprised separating the drum 29 from the disc' 17 and using the drum 35 for arresting the carrier system. According to this invention, the drum 29 is splined at 31 to the disc 17 so as to remain in engagement therewith. To effect reversed driving, a shift rod 32 is moved to.the left carrying with it the drum 29 which is splined at 28 to a sleeve 25 of the drum 35, and also carrying with it by a rotary connection 51 the drum 48. The drum 48 is thus disengaged from driving teeth 52 on the ring 53. At the same time, a non-rotary dog ring 61 is carried into engagement with teeth 59 on a drum 64 connected to the planet-carrying spider 22 of the other roller set, the spiders 22, 23 of the two sets being rigidly connected by a sleeve 15 on a driving-shaft 12. The middle disc 17 is thus driven reversely from toric discs 10, 11 keyed on the shaft 12, carrying round with it the drums 29 and'35. The reversed drive is passed on to the shaft 24 by engaging a clutch 75 by suitable means and the gearing may be controlled as described in Specifications 344,062, 344,064 and 393,624. An hydraulic servomotor for operating the shift rod 32 through an arm 102 is described with reference to Fig. 6 of the abridgment of Specification 393,624.
Patent GB-1302963-A (GB)
IPC: C08J9/06
Filed: 1970-04-17
Abstract: 1302963 Expanded vinyl chloride polymers PRODUITS CHIMIQUES PECHINEYSAINT-GOBAIN 17 April 1970 [18 April 1969] 18535/70 Heading C3C [Also in Division B2] Expanded vinyl chloride polymers are made by mixing at least one vinyl chloride polymer with a blowing agent consisting of at least one nitrogen-containing compound of the formula in which X is an oxygen or sulphur atom or an imino group; R 1  is a hydrogen atom, or a C 1-6  alkyl or C 2-5  acyl group, or a substituted or unsubstituted carbamoyl group; R 2  is a hydrogen atom, or a C 1-6  alkyl group; and R 3  is a hydrogen atom, or a C 1-6  alkyl or C 2-5  acyl group, a substituted or unsubstituted carbamoyl group, or a saturated aliphatic ester group containing not more than 6 carbon atoms and at least one acid selected from aliphatic, aryl and aralkyl hydroxy acids having from 2 to 16 carbon atoms, 1 or 2 hydroxy groups, and from 1 to 3 carboxy groups, and gelling, shaping and expanding the polymer(s), the operations being carried out in the absence of any other blowing agent and in any order, provided that any combination thereof may be carried out simultaneously and that the expansion must take place in a final stage. In examples, mixtures of polyvinyl chloride and/or vinyl chloride/vinyl acetate copolymer with zinc oxide, butyl-benzyl phthalate, dibasic lead stearate and phosphite, dioctyl phthalate, tribasic lead sulphate, ethylene-glycol methacrylate, cumene hydroperoxide and/or cadmium and zinc actuates were made cellular by expanding with a blowing agent comprising urea or buiret, together with glycollic, salicylic, lactic, malic, tartaric or citric acid.