baber/WOPTO huggingface dataset:
Patent GB-441297-A (GB)
Abstract: 441,297. Thermostats. RADIATION, Ltd., Thimble Mill Lane, Aston, Birmingham, and YATES, H. J., 15, Grosvenor Place, Hyde Park Corner, London. Sept. 14, 1934, No. 26470. [Class 64 (ii)] [See also Group XI] A helical bi-metallic thermostatic element operating a pivoted damper c surrounds the pivot spindle d of the damper and is protected from direct action of the flue gases by a trough-like extension h of the damper, which partially surrounds it.
Patent GB-926811-A (GB)
Title: Improvements in or relating to the production of carboxylic acid chlorides
IPC: C07C69/80
Filed: 1961-12-12
Abstract: Organic carboxylic acid chlorides are made by heating a trichloromethyl benzoic acid ester of a primary alcohol (preferably containing 1-5 carbon atoms), or a nuclear substitution derivative thereof, preferably in the range 50 DEG -160 DEG C., with mono-di- or trichloroacetic acid in the presence of an inorganic metal halide functioning as a Lewis acid as catalyst to yield a mixture of aromatic dicarboxylic acid half ester chloride and mono-, di- or trichloroacetyl chloride. Preferably an ester of m- or p-trichloromethyl benzoic acid is used to prepare the half ester chloride of iso- or terephthalic acid.  The metal halide catalyst, preferably ferric chloride, may be present in an amount from 0.01 to 1% by weight, based on the total weight of the reactants.  The reaction is complete after 1 to 2 hours.  The chloroacetyl chlorides may be separated from the aromatic dicarboxylic acid half ester chlorides by fractional distillation.  The trichloromethyl benzoic acid esters can be made by the partial hydrolysis of the corresponding a ,a ,a ,a 1,a 1,a 1-hexachloroxylenes to the trichloromethyl benzoyl chlorides and conversion to an ester by heating with a primary alcohol.  Alternatively the esters may be made by exhaustive photocatalytic chlorination of the corresponding methyl toluates aboxe 150 DEG C. and esterification of the trichloro-methylbenzoyl chlorides with a primary alcohol.  In examples, (1) methyl p-toluate is chlorinated, the product esterified with methanol and the methyl p-trichloromethylbenzoate is heated with monochloracetic acid in the presence of ferric chloride: chloroacetyl chloride and terephthalic acid methyl ester chloride are separated by distillation; (2) methyl m-trichloromethylbenzoate, produced by chlorination, is heated with trichloroacetic acid in the presence of ferric chloride and trichloroacetyl chloride and isophthalic acid methyl ester chloride are separated by distillation; the corresponding ethyl, propyl or butyl esters may be used; (3) methyl p-chlorom-trichloromethylbenzoate is heated with dichloroacetic acid and ferric chloride and dichloroacetyl chloride and 4-chloroisophthalic acid methyl ester chloride are obtained; the starting material is made by chlorinating methyl p-chloro-m-toluate and esterifying with methanol; (4) methyl p-trichloromethyl benzoate and monochloroacetic acid are heated in the presence of antimony pentachloride giving products as in (1); (5) methyl m-trichloromethyl benzoate and monochloroacetic acid are heated with zinc chloride; Example (4) is repeated using aluminium chloride.
Patent GB-926269-A (GB)
Title: Polymer production process
IPC: C08F8/32
Filed: 1961-12-12
Abstract: Polymers containing methacrylo-cycloimide units, which may be N-substituted are made by reacting a polymer containing units of the formula: <FORM:0926269/IV(a)/1> wherein X represents an oxygen atom or a group = NR in which R represents hydrogen or an alkyl or cycloalkyl group, with a compound of the formula R1NH2, R1, which is different from R when X represents the group = NR, being a hydrogen atom or an alkyl or cycloalkyl group.  Polymer starting materials are homopolymers containing cyclic methacrylic anhydride or methacrylocycloimide units, which latter may be N-substituted, and copolymers containing such units together with units derived from methyl methacrylate, acrylic esters, acrylonitrile, methacrylonitrile styrene and vinyl and vinylidene chlorides.  Reactant compounds specified are ammonia and methylamine.  The reaction may be carried out in the presence of water, a polyhydric alcohol or an excess of amine.  Specifications 505,354, 883,555, 884,226 and 899,342 are referred to.
Patent GB-1080647-A (GB)
Title: Heat-insulating slabs
Inventor: WASHBOURNE COLIN
IPC: B22D7/10
Filed: 1964-11-02
Abstract: A heat-insulating composition for lining the top of an ingot mould comprises 4 to 20% cellulosic fibre, 4 to 10% binder and the remainder a mixture of a granular refractory material, a fibrous refractory material forming from 0 to 10% of said mixture and a granular, water insoluble low melting point silicate forming up to 20% of said mixture.  In use the low melting point silicate melts to form a slag which renders the lining more coherent both during and after use.  The cellulosic constituent may be repulped newsprint; the binder may be a synthetic resin such as phenol formaldehyde, urea formaldehyde or a furane type resin or a natural gum or resin such as gum arabic or cellulose glue or an inorganic material, e.g. aqueous sodium silicate; the granular refractory may be sand, powdered quartz, quartzite, mineral silicates, calcined dolomite, alumina or magnesia and the fibrous refractory may be asbestos, rock-wool or slag-wool.  The low melting silicate should generally melt below 500 DEG C and may be p  powdered glass but may be partly formed in situ by reaction e.g. between silica and the salt of an alkaline earth metal.  Where the binder is a water soluble alkali metal silicate the quantity of added granular low melting silicate may be as low as 1%. A slab of the composition may be formed by dewatering an aqueous slurry of the constituents and drying the resulting slab.  To prevent undesired migration of any soluble silicate to the surface of the slab during drying it may be dried with that face which is intended for contact with molten metal in contact with an imperforate surface during the drying operation.
Patent GB-1108234-A (GB)
Title: Improvements in or relating to polyvinylidene fluoride resins
IPC: C08J5/18
Filed: 1965-10-21
Abstract: A vinylidene fluoride homopolymer having a melting point of 175 DEG C. or higher and a crystallization temperature of 135 DEG  C. or higher.  It preferably has an inherent viscosity of 0.4 to 1.2 at 30 DEG  C. in dimethyl formamide at a concentration of 0.4g./100c.c. It is preferably prepared by polymerization at 60 DEG  C. or lower. It may be formed into films or fibres.  In Examples the vinylidene fluoride is suspension polymerized in the presence of methylcellulose, water, isopropyl-peroxy-dicarbonate and chloroform.
Patent GB-983001-A (GB)
Title: Apparatus and method for producing beverage
IPC: B67D1/00
Filed: 1961-12-14
Abstract: 983,001. Beverage making apparatus. GENERAL FOODS CORPORATION. Dec. 14, 1961 [Jan. 26, 1961], No. 44766/61. Heading A4D. Apparatus for producing a beverage such as hot coffee has a container 15 in which water is heated electrically and is supplied to a decanter 16 via a pipe 70 when the water boils and steam pressure is high enough to expel it, and soluble coffee powder in a strip of packets 17, the coffee contained in a packet 17a being released by a circular knife 45 having beaters 62 to assist discharge down a shoot 20 which also has an air blower to assist discharge into the vessel 16. An on-off switch 18 energizes a thermostatically controlled heater 77 to maintain the water in container 15 at 150-160‹F and the blower motor. When the water is warm and a packet is in position closing of a switch 113 starts a brewing cycle in which a heater inside container 15 heats the water to boiling point and a predetermined quantity is expelled by steam pressure and the contents of a package 17a are delivered via shoot 20. The machine may be set to deliver hot water only. Specifications 983,002 and 983,003 are referred to.
Patent GB-1413957-A (GB)
Title: Display devices
IPC: G09F19/14
Filed: 1971-09-27
Abstract: 1413957 Display devices DEEP PRINT PROJECTS Ltd 22 Dec 1972 [27 Sept 1971] 44890/71 Heading G5C A display device showing an image which changes as an observer moves past the device comprises a transparent lenticular screen 1 whose planar near face is provided with two or more images, each in the form of multiple strips 5 separated by transparent strips 4 at the same pitch as the screen lenticules, a removable image or picture 7 being placed behind the screen. Alternatively, the image strips may be printed on a transparent carrier sheet which is attached to the screen 1. Opaque strips 6 are placed behind the fixed image strips 5, so that an observer sees either image 7 or image 5.
Patent GB-940602-A (GB)
Title: Improvements in or relating to hand coverings
IPC: A41D19/00
Filed: 1961-12-15
Abstract: 940,602. Gloves. ADVANCE GLOVE MANUFACTURING CO. Dec. 15, 1961 [Dec. 19, 1960], No. 44980/61. Heading A3V [Also in Division H5]. Gloves, mittens or other hand coverings are made by placing a non-conducting form 15 on a sheet 12 of partly or wholly thermoplastic material, stretching a second portion 13 over the form, bringing together the flat electrode 11 and the shaped electrode 18 and applying high frequency electric power between them to cause dielectric sealing, removing the form, trimming off excess material and turning the glove inside out. The electrodes 11, 18 are made of high conductivity metal e.g. brass or bronze and the form 15 may be made of wood, resins, rubber or compositions in sections 15a, 15b, 15c for easy withdrawal. The glove fabric may be a thermoplastic film of polyvinyl chloride, polyvinylidene chloride; copolymers of vinylidene chloride and vinyl chloride, ethyl cellulose, cellulose acetate, cellulose acetate butyrate &c., or from thermoplastic coated fabrics, or fabrics made by interweaving non thermoplastic and thermoplastic strands. One portion of the glove, e.g. the palm portion may be completely non thermoplastic.
Patent GB-936266-A (GB)
Title: Improvements relating to packaging
IPC: B65D85/62
Filed: 1961-12-15
Abstract: 936,266. Packaging bottle capsules and the like. O. J. BRUUN. June 18, 1962 [Dec. 15, 1961], No. 45000/61. Class 94(1). Lightly rested bottle capsules &c. 1 are enclosed in a wrapper 3 coated internally with a substance 4 into which the edges of the capsules embed themselves so as to prevent jamming together of the stacked articles with consequent difficulties of separation for use. The substance may be latex or like adhesive enabling the wrapper to be readily secured along a seam 5. A protective element 2 may be pressed into the open end of the stack.
Patent GB-1113432-A (GB)
Title: Antifungal compositions and methods
Inventor: LEWIS DAVID RODERICK
IPC: C07C39/36
Filed: 1963-11-16
Abstract: Antimicrobial (e.g. pharmaceutical or fungicidal) compositions contain at least one pentahalogenophenol or a salt or ester thereof, in which 2 to 4 of the halogen atoms are fluorine, the rest of the halogen atoms being other than fluorine e.g. Cl, B or I; and a diluent or carrier therefor.  Active ingredients specified are p - chlorotetrafluorophenol, p - bromotetrafluorophenol, p - iodotetrafluorophenol, dibromotrifluorophenol, dichlorotrifluorophenol and trichlorodifluorophenol or salts or esters thereof.  The pharmaceutical compositions, which may be adapted for topical application to the skin, may be liquid, solid, semi-solid or powder, e.g. creams, ointments, tinctures, mouth washes, antiseptic lozenges, pastilles, soaps or shampoos containing conventional excipients.  The active ingredients may be used as preservatives in cosmetics and pharmaceutical products, soaps, barrier creams, eye drops and other toiletry goods.  The compositions may be used for agricultural purposes and for the preservation of adhesives, textiles, ropes, paper, hides and skin, timber and paint. The compositions preferably contain 0.1 to 5.0% by weight of pentahalogenophenol.
Patent GB-1241955-A (GB)
Title: Improvements in or relating to seals
Inventor: CAMAC GEORGE
IPC: F04D29/14
Filed: 1967-10-05
Abstract: 1,241,955. Shaft seals. SPEEDWELL RESEARCH Ltd. 19 Dec., 1968 [5 Oct., 1967], No. 45414/67. Heading F2B. An annular diaphragm which may be used in a centrifugal pump described in Specification 1,185,312 comprises a one-piece main body having radially-spaced outer and inner portions 11, 12 interconnected by a relatively thinner web 13, an insert 15 being provided in one of the outer or inner portions of material having a greater resilience than that of the main body. The main body may be made of metal (e.g. titanium or stainless steel), sintered or hard P.T.F.E., glass-loaded P.T.F.E., a fluorocarbon resin, a phenolic asbestos resin or a polyimide and the insert 15 may be made of compressed asbestos fibre or rubber. The web 13 may be corrugated and formed by a spiral or by concentric rings, the cross-section of the corrugations being V-shape, sinusoidal arcuate or square. As shown, the outer portion 11 is provided with the insert and clamped between two parts of the pump casing, while the inner portion 12 may be provided with either a wearresistant insert 12a, Fig. 1A, or a wear-resistant coating for making static sealing contact under the influence of liquid pressure against a shoulder 40 on the shaft when the pump is both stationary and filled with liquid. When the pump is stationary and empty, the diaphragm assumes the position shown clear of the shoulder 40. The seal chamber 50 is divided into two compartments 56, 57 by an annular partition 51 clamped at its periphery 52. A subsidiary impeller 46 having blades 69, 70 rotates within the compartment 56 of the seal chamber. When the pump is running and full of liquid, the subsidiary impeller 46 pumps liquid out of the compartment 57 of the seal chamber so that the diaphragm is again freed from the shoulder 40 and an annulus of liquid is formed between the blades 69 and the partition 51. If desired, the diaphragm may be urged by a spring into a static sealing position on the shoulder 40, the spring pressure being reduced when the pump is running as described above.
Patent GB-1395128-A (GB)
Title: Adjustable hand truck
IPC: B62B3/08
Filed: 1973-09-28
Abstract: 1395128 Trollies J PETERS 28 Sept 1973 [20 Oct 1972] 45558/73 Heading B7B In a hand trolley comprising a first frame 14, 15 with a pair of wheels 11, a secondary frame 27 carrying an auxiliary wheel 30 is pivoted to the wheel pair axis and is pivotally linked to a gripping means 36 which may be fixed at a selected point along a support rail 31 to vary the angle of the first frame 14, 15. The castor wheel 30 is mounted on a rail 41 which may slide within a hollow member 43 of the frame 27 and is secured by a pin which passes through a hole in the rail 41 and a selected hole 45 in the tubing 43. A pair of spring members 52, 53 counterbalance the secondary frame 27 to allow free reciprocating of gripping means 36. The gripping means, Fig. 2, is adjusted by first pulling a handle 70 upwardly for locking rings 61, 61a to pivot about lug 65 and disengage from support rail 31. The housing 60 may be adjusted on rail 31 to the required position by handle 74 and the handle 70 then released for springs 63, 73 to urge locking rings 61, 61a into engagement with rail 31. In an alternative form of gripping means, Fig. 6, the rail 131 has notches 132-137 so that handle 139a may be pulled upwardly against bias of compression spring 141 to disengage locking means 139, and housing 138, defining a similar notch 138a may slide to a new notch position when handle 139a is released for locking.
Patent GB-459688-A (GB)
Abstract: 459,688. Cash registers. NATIONAL CASH REGISTER CO., Dayton, Ohio, U.S.A. July 12, 1935, No. 7187/36. Divided out of and addition to 459,663. [Class 106 (i)] Printing on bills and like inserted material.- The machine according to the parent Specification is now provided with means for effecting more than one interruption in the cycle of machine operation for the purpose of printing the data on more than two inserted slips. According to the parent invention, a gear 15 on the main shaft 16 is provided with a locking plate 17 that co-operates with pawls 20, 32 to arrest the shaft at the end and at an intermediate part of the cycle, respectively. The shaft is now arrested a third time by a pawl 53 co-operating with the locking plate 17 and actuated by means similar to those controlling the pawl 32. As the plate approaches the pawl 53, a stud 47, on a gear 46 meshing with gear 15, rocks a lever 50 clockwise about its pivot 49, which lever by a stud 56 on its free end rocks the pawl clockwise to intercept the plate. The lever 50 returns to normal position as the plate engages the pawl so that upon a slight backward rotation of the operating handle 11, the pawl returns to ineffective position to release the shaft for forward rotation,
Patent GB-950133-A (GB)
Title: Improvements in or relating to high density recording systems
Inventor: GABOR ANDREW
IPC: G11B20/14
Filed: 1961-12-22
Abstract: 950,133. Magnetic data storage apparatus. POTTER INSTRUMENT CO. Inc. Dec. 22, 1961, No. 46066/61. Heading G4C. A magnetic recording and playback system comprises means for recording the same data on two parallel tracks, the record being such that there are regularly recurring transitions in the magnetic condition of each track with an interval representing a data cell, there being further transitions in at least some of the cells representing recorded data playback means being provided to combine the playback signals from the two tracks. The system is applied to a magnetic tape. Recording circuit, Fig. 1. Clock pulses A(E, Fig. 2) are mixed at 3 with data pulses B delayed at 4 by one-half a cell period (F, Fig. 2), the output of the mixer 3 (G, Fig. 2) triggering a flip-flop 7 to produce a record current waveform C (H, Fig. 2). Playback circuit, Fig. 3. The playback waveform I, Fig. 2, is shaped and squared at 11, 13, 15 to produce waveform K. Waveform K is integrated at 18 and inverted and integrated at 17, 19, the resulting waveforms being combined at 21 and applied to an RC coupling 24 to produce waveform P which is applied to "and" gates 27, 38. The output of the "and" gate 27 is applied to monostable multivibrators 30, 32 to produce onehalf period pulses delayed by one-quarter period as at Q, Fig. 2. The waveform Q is applied directly and after inversion at 35 to the gates 38, 27. The outputs at 40, 41 of the gates 27, 38 are the clock waveform R and the data waveform S respectively. Storage arrangements. The recording waveform is applied from an input 49, Fig. 6, to two recording heads 56, 57. In playback, the output of the heads is applied to amplifiers 60, 61 whose outputs are combined in an "or" gate 64 to produce an error free waveform at 65. The two parallel tracks are each 20 mils wide and their centres are 60 mils apart (Fig. 11, not shown). The pairs of recording and playback amplifiers may be replaced by a single recording amplifier and a single playback amplifier for each track (Figs. 7-9,not shown). U.S.A. Specification 2,853,357 is referred to.
Patent GB-1034290-A (GB)
Title: Improvements in and relating to conveying apparatus
IPC: A21C9/08
Filed: 1964-11-12
Abstract: 1,034,290. Endless conveyers. BAKER PERKINS Ltd. Nov. 12, 1964 [Nov. 12, 1963], No. 46107/64. Heading B8A. An endless belt conveyer 10 receives pansets p of proofed dough from a proofer P, transfers them to a conveyer 11 which in turn transfers them to a conveyer 12 which transfers them to an oven supply conveyer 13. The conveyers 11-13 each employ a pair of spaced apart runs. Each of the conveyers 10-13 is driven by a separate electric motor. Limit switches LS-1, LS-3, LS-2 are respectively located at the delivery end of the conveyers 11, 12, 13. The conveyer 11 is driven faster than the conveyer 10 to spread the pansets p out to facilitate lidding at an adjacent lidding station. Arrival of the leading pansets p at the limitswitch LS-1 stops the conveyer 11 for a preset time delay to permit lidding while stopping the conveyer 10 at the same time. The pansets p pass on to the conveyer 12, which is considerably slower than the conveyer 11, and on reaching limit switch LS-3 actuate it. As long as the limit switch LS-2 on the conveyer 13 is not actuated, actuation of the limit switch LS-3 is without effect, but actuation of the limit switch LS-2 when the limit switch LS-3 is actuated causes the conveyer 12 to be stopped while the pansets p on the conveyer 13 are fed to an oven O. The conveyer 13 is driven faster than the conveyer 12 to spread the pansets p to achieve proper colour uniformity in baking. If the oven O runs so slowly that groups of pansets p back up on to the conveyer 10, which is stopped, a photo-electric system 16a, 16b, 16c halts the proofer unloader until the pansets p on the conveyer 10 move off on to the conveyer 11. An electrical control circuit is given in Fig. 2 (not shown).
Patent GB-1148620-A (GB)
Title: Partial bulkhead or shifting board suspension means
Inventor: ALPS CLAUS
IPC: B63B25/24
Filed: 1967-10-10
Abstract: 1,148,620. Partial bulkheads or shifting boards. WARNOWWERFT WARNEMUNDE VEB. 10 Oct., 1967, No. 46165/67. Heading B7S. A detachable flexible partial longitudinal bulkhead or shifting board 10 having rolling or sliding devices affixed thereto is drawn by a traction cable 8 passing over guide pulleys 7 to a winch 9 into a guide track 3 provided underneath the deck 1 and which at both ends is curved down along bulkhead struts 4 towards the internal floor 6, the bulkhead 10 being secured at the ends by retention devices 13. The bulkhead 10 is attached to cable supports 11 affixed by their lower ends to the floor 6.
Patent GB-1322517-A (GB)
Title: Piezoelectric ceramic transformers
IPC: H01L41/107
Filed: 1970-09-30
Abstract: 1322517 Piezoelectric transformers SUMITOMO ELECTRIC INDUSTRIES Ltd 30 Sept 1970 [1 Oct 1969 14 Nov 1969 (2)] 46462/70 Heading H3U A plate-type piezoelectric transformer having input electrodes EIN, E<SP>1</SP>IN and an output electrode EOUT is driven by a source OSC in longitudinal vibration either in the fundamental mode (curve a, Fig. 2) or the second higher harmonic mode (curve b, Fig. 2). To obtain the highest step-up voltage ratios the ratio of the width W to the half length L of the piezoelectric plate is held between certain limits, viz, for the fundamental mode the ratio W/L is within the limits 0À2 to 1À2 and for the second higher harmonic mode the limits are 0À05 to 0À85.