baber/WOPTO huggingface dataset:
Patent GB-1017363-A (GB)
Title: Improvements in or relating to photographic apparatus
Inventor: LEWINDON HERBERT ARTHUR
IPC: G03B1/48
Filed: 1963-07-16
Abstract: 1,017,363. Mounting devices. LEATHLEY PUBLICATIONS Ltd. July 28, 1964 [July 16, 1963], No. 28148/63. Heading G2A. A mounting device to facilitate the accurate positioning of a film having a photographic image thereon in a camera comprises a mounting plate 10 with a rectangular aperture 11 therein, a transparent plate 13 filling the aperture and having at least one of its faces flush with the corresponding face of the plate 10, there being two studs 14, 15 alongside and equidistant from the left hand edge of the aperture (as seen in Fig. 1) and retaining devices in the form of spring loaded turnbuckles 18, . . ., 21 projecting from the same face of the plate 10 as the studs 14, 15, the turnbucles retaining a transparent cover plate 27 over and urged towards the plate 13, the film 26 lying therebetween. The cover plate 27 is located by studs 28, 29, 30 and is provided with clearance holes for the studs 14, 15 which fit into standard 35 mm. sprocket holes. A similar arrangement is provided on the other side of the mounting plate 10, a cover plate 39 located by the studs 28, 29, 30 urging a film 38 into contact with the plate 13. A shortened cover plate 39 may be used. The mounting device may be used with photographs on glass plates. Apertures 40, 41 are provided for locating the device in a camera.
Patent GB-464057-A (GB)
Title: Improvements in apparatus for tempering glass plates and sheets
IPC: C03B35/20
Filed: 1935-10-11
Abstract: 464,057. Tempering glass sheets. AMERICAN SECURIT CO. Oct. 11, 1935, No. 28163. Convention date, Oct. 13, 1934. [Class 56] A device for supporting a glass plate or sheet in an horizontal position during tempering comprises a frame having a number of spaced surfaces of very small area on which the glass sheet rests. The frame is composed of a number of thin bars 5, Fig. 3, secured in spaced relation to one another by means of rods 6. The bars are provided with lugs or blunt knifeedges 8 on which the glass sheet rests, the small area of contact between the lugs and the glass causing the loss of heat by conduction from the glass to be reduced by a minimum. The bars 5 are made of refractory material such as nickel chromium, and the lugs may be provided with strips of heat-insulating material, such as asbestos or wood. In use, a frame carrying a sheet of glass 9, Fig. 1, is placed in a tunnel kiln 1 provided with a roller conveyer 2. The conveyer carries the frame out of the kiln to the cooling-device, which may consist of a pair of air-distributing boxes 4, of conical shape, connected to a suitable blower.
Patent GB-282371-A (GB)
Abstract: 282,371. Lebre, F. Dec. 17, 1926, [Convention date]. Generating energy spontaneously.-A process for locating by the compression of fluid in which the heat generator is, it is stated, more than equivalent to the energy expended in compressing includes the adiabatic compression AB, Fig. 1, of a mass of fluid, e.g. moist air, which is then cooled over BC in a heat exchanger at constant pressure, expanded over CD and discharged, while simultaneously a second mass of fluid is expanded over A<1>B<1> and then heated in the exchanger by the heat from BC. compressed adiabatically over C<1>D<1> and discharged into the chamber to be heated. The expansion and compression chambers may be constituted by a rotary pump comprising a stator 1, Fig. 2, blades 3. connected to stationary chambers which can be connected to a. heat exchanger or to the atmosphere as required.
Patent GB-1335132-A (GB)
Title: Water-soluble resins
IPC: C08L61/10
Filed: 1971-06-16
Abstract: 1335132 Preparing crosslinkable copolymers VIANOVA KUNSTHARZ AG 16 June 1971 [22 July 1970] 28304/71 Headings C3P and C3R [Also in Division C7] Cross-linkable copolymers that are watersoluble when neutralized are prepared by esterifying (a) 5-40% by weight of a partially or wholly etherified condensation product of a phenol and formaldehyde with (b) 5-30% by weight of an α,#-ethylenically unsaturated carboxylic acid or a functional derivative thereof having at least one free carboxy group, while simultaneously copolymerizing (b) with (c) from 30-90% by weight of a further ethylenically unsaturated monomer that has no free carboxy groups. Reaction is suitably effected in an organic solvent that is at least partially soluble in water at 20‹ C. using, for example, dicumyl peroxide initiator and t-dodecyl mercaptan regulator. The phenol of component (a) is preferably a p-alkyl, p-aryl, p-aralkyl or p-halo phenol, a bis-phenol such as 2,2-bis-(4-hydroxyphenyl)propane or 4,4-bis-(4-hydroxyphenyl)- pentanoic acid, or 2-(4-hydroxyphenyl)-2-(carbethoxyphenyl)propane; etherification of the condensate is preferably effected with butanol. Component (b) may be acrylic, methacrylic, crotonic, maleic, fumaric, itaconic, citraconic, mesaconic or aconitic acid, or a partial ester or amide of such polycarboxylic acids. Comonomers (c) include alkyl or hydroxyalkyl acrylates and methacrylates, dialkyl maleates and fumarates, styrene and its alkyl-substituted derivatives, (meth)acrylonitrile and (meth)- acrylamide. The copolymers are rendered water-soluble by treating with bases such as ammonia or diisopropanolamine. Solutions of the products can be coated by electrodeposition or by dipping, spraying, brushing, rolling or flow-coating, e.g. on zinc-phosphated steel plate. The solutions may be combined with pigment, e.g. titanium dioxide, or with a glycidyl ester of synthetic fatty acids mainly containing a tertiary carbon atom attached to the carboxy group.
Patent GB-286755-A (GB)
Title: Improvements in automatic brakes for talking machines
Filed: 1926-11-10
Abstract: 286,755. Gramophone Co., Ltd., and Buckle, H. L. T. Nov. 10, 1926. Brakes.-Relate to automatic brakes of the kind in which a rotatable brake member is released from the action of a detent and, allowed to engage the turntable when the detent is moved up by a part operated by the tone-arm. According to the invention, means for withdrawing the brake, after it has been applied, comprises a link pivoted at one end of the brake member and adapted to be engaged by the brake-operating means when this has been moved in one direction beyond a given point. The brake mechanism shown, which is of the kind wherein automatic application of the brake is effected at the end of the playing of a record by reversal of the movement of the tone-arm, comprises a rotatable member 1, pivoted at 2 on a plate 3 and carrying a pad 4 adapted to engage the rim of the turntable 5. The brake is held in the " off " position during playing, by the abutment of a trip lever 10 pivoted on the member 1 against one end of a detent 6 pivoted at 19 on the plate 3. springs connected to a lug 9 on the plate, and to the parts 6, 10 respectively, holding the members in engagement. As the tone-arm moves over the record, it rotates a lever 12, pivoted at 13, this lever carrying a pawl 16 which is pivoted at 25 and has engagement with the end of an arm 28 frictionally connected with pivot 13. 'I'he pawl slides during the playing of a record over ratchet teeth 17 on the are-shaped end 18 of the detent 6; when the end of the record is reached, and the direction of movement of the tone-arm is reversed, as for example by the action of an eccentric groove on the record, the pawl 16 imparts a thrust to the detent 6, rocking it about its pivot 19 so that the trip-lever 10 is disengaged. The spring 11 thereupon applies the brake of the turntable. Pivoted at 21 on the brake member 1 is a link 20 which is guided by the engagement of a slot 22 in it with a pin 23 on the plate 3. One end of the link 20 has a hook 24 which, when the member 1 moves into the " on " position is brought into the path of a projection 29 on the lever 12. On moving the tone-arm outwards after the brake has been applied, a point is reached when the part 29 exerts a pull on the link 20, thereby moving the brake into the " off " position, when it is again held by the detent 6. This movement of the brake member 1 is accompanied by a rocking and sliding movement of the link 20, so that the hooked end 24 is clear of the part 29 before the outward movement of the tone-arm is finished. The first Provisional Specification describes a modification wherein a link which serves the same purpose as the link is pivoted at one end by a pin and slot connection to the lever actuated by the tone-arm, and at the other end to the rotatable brake-member.
Patent GB-915579-A (GB)
Title: A process for the production of partially halogenated amine-boranes
Inventor: DEWING JOHN
IPC: C07F5/00
Filed: 1959-08-19
Abstract: A partially halogenated secondary or tertiary amine borane having the general formula R.BHmX(3-m) where R is a secondary or tertiary amine, X is a halogen atom other than fluorine and m is 1 or 2, by bringing a compound of formula R.BHnX(3-n) where n = 0 or 1 into contact with hydrogen at elevated pressure and temperature in the substantial absence of oxygen, carbon dioxide and hydroxylic compounds and in the presence of a substance which combines with the hydrogen halide formed in the reaction until absorption of hydrogen corresponding to the replacement of fewer than three halogen atoms has taken place. The boron halide component is preferably boron trichloride.  The amine component of the addition compound may be an alkylamine, aralkylamine, arylamine, heterocyclic amine or mixed amine, preferably a tertiary alkylamine such as trimethylamine or triethylamine.  The substance which combines with hydrogen halide may be an amine or other basic material, e.g. an electropositive metal such as aluminium.  Pressures of 100 to 10,000 atmospheres and temperatures in the range 180 DEG  to 250 DEG C. are preferred.  A solvent such as a hydrocarbon, ether or amine may be present.  An example describes the production of trimethylamine dichloroborane by hydrogenation of trimethylamine-boron trichloride complex. Specification 861,760 is referred to.
Patent GB-733702-A (GB)
Title: Improvements in and relating to drying devices
IPC: F26B9/00
Filed: 1952-11-11
Abstract: 733,702. Electric resistance heaters. PETIT, L. Sept. 7, 1953 [Nov. 11, 1952], No. 28383/52. Class 39 (3). [Also in Group XIII] Apparatus for drying pepper pots &c. and comprising a box 1 having a removable coverplate 2 with apertures 3 for the pots 4 has an electric resistance heating element 5 supported at either end by insulated brackets 6 on the inner end walls of box 1. The device may be converted into a hot-plate by applying a further cover-plate or lid.
Patent GB-393162-A (GB)
Title: Means for treating fabrics
IPC: D06C29/00
Filed: 1932-10-13
Abstract: 393,162. Treating fabrics ; perforating-machines. UNITED AFRICA CO., Ltd., Unilever House, Blackfriars, London, and ELLIOTT, A., 366, Mauldeth Road West, Chorlton-cum-Hardy, Manchester. Oct. 13, 1932, No. 28523. [Classes 31 (ii) and 42 (i).] Holes or holes and depressions forming letters, designs, &c., are made in a fabric by means of rollers 2, 3, one of which carries pegs &c. 17 and the other is recessed as at 18, the threads being either broken or pushed aside, but no material removed. The material may then be dyed. According to the Provisional Specification, the recessed roller may be replaced by a rubber or other resilient roller, and dies may be used instead of rollers.
Patent GB-713243-A (GB)
Title: Improvements in and relating to microscopes
IPC: G02B21/20
Filed: 1949-11-10
Abstract: 713,243. Microscopes. SARTORY, P. K:, and SARTORY INSTRUMENTS, Ltd. Nov. 10, 1950 [Nov. 10, 1949], No. 28794/49. Class 97(1) In a stereoscopic binocular microscope the beam from the objective is geometrically divided and completely inverted so as to yield two beams producing erect images, each beam thereafter passing through a corresponding reflecting system, such as rhomboid prism, from which it emerges in a direction parallel to its incident direction to reach an eyepiece. As shown in Figs. 1 and 2 the beam from the objective 10 is divided by two Dove prisms 11 in contact along a line 11 b which invert each of the beams in one direction. Each beam is then reflected by a mirror 12, inverting in a perpendicular direction and after two reflections in a rhomboid prism 13 reaches the eyepiece 17. The prisms 13 are each rotatable about the axis of the beam incident thereon to allow interocular adjustment, and the portion of the system within the dotted circle of Fig. 1 may be rotatable about the axis of the objective 10. As shown in Fig. 4 the Dove prisms 11 are mounted in a holder 38 fitting, within a tubular member 33 having a cradle 36 to which is screwed a housing 37 bearing the mirror 12. Secured to the housing 37 is a plate 43 rotatably bearing two collars 45 each supporting a a rhomboid prism 13 and an eyepiece tube 47 rotatable about the axis of the collar 45 for interocular adjustment. The tubular member 33 fits into the body tube of the microscope and is located by the engagement of an adjustable screw thereon with .a groove 34, this arrangement permitting the member 33 and the system carried thereby to be rotated about the axis of the objective. The Dove prism holder 38, Fig. 9, comprises two part cylindrical members 39 connected by a web 40 and retaining members 41. The web is wedge-shaped at such an angle that the basis of the prisms, when located against the web, are at the correct angle. The prisms may be cemented to the members 41. Alternatively the web may be replaced by racks or by two transverse members locating the prisms. Holes 42 are provided for engagement by a tool to rotate the prisms relative to the mirror 12, when located in the tubular member 33, to adjust the prisms to the correct position.
Patent GB-1116259-A (GB)
Title: Anhydrous depilatory stick
Inventor: BRAUN ERNEST
IPC: A61Q19/04
Filed: 1965-07-07
Abstract: Solid depilatory compositions comprise a sterol, a non-ionic polyalkenoxy water-in-oil emulsifier, and a solid, inert, organic, filler material forming a solid base having dispersed therein a solid basic material selected from the hydroxides, carbonates, silicates, and tribasic phosphates of the alkali and alkaline earth metals and guanidine and as depilating agent a thiol R-SH, wherein R is an organic residue containing 2 to 4 C atoms and including at least one hydroxyl, keto, aldehyde, ether, amino, sulphonic acid, carboxylic acid or carboxylic acid salt group, the solid basic material being present in an amount sufficient to provide a pH of 10.5 to 12.5 in a saturated aqueous solution of the depilatory composition.  The preferred depilating agent is calcium thioglycollate.  The solid, inert, organic filler material may be a natural or synthetic wax, or solid hydrocarbon, starch, gum or resin.  The preferred sterol is an unsaponifiable lanolin fraction containing lanolin alcohols.  The compositions may also contain a perfume.
Patent GB-177825-A (GB)
Title: Machine for making grommets for joint making and for like purposes
IPC: F16B43/00
Filed: 1920-10-12
Abstract: 177,825. Lurcott, W. N. Oct. 12, 1920. Joint-making packing.-A machine for making grommets comprises a rotary and axially-reciprocating mandrel 9 with a rubber jacket 10 on which a strand 11 is coiled to form a core 12. The mandrel is connected to and rotated by a screw 13 passing through a block 14; it is supported by rollers 16, and is drawn backwards between four rollers 17, which roll the core 12 upon the covering 10 and cover it with a winding of the thread as shown in Fig. 3. The pulleys 17 have channelled edges, the curves being concentric with the mandrel 9, and are on spindles connected by mitre wheels 19 and mounted in brackets 20 attached to a face-plate 21. As the grommets are completed they are collected by a string 26 and cross-bar 27.
Patent GB-745367-A (GB)
Title: Improvements in soap compositions
Inventor: PARKE JOHN PEDLOW
IPC: C11D17/00
Filed: 1952-11-17
Abstract: A soap composition comprises soap, a non-ionic detergent, and a water-soluble, surface-active alkali metal salt of an N - substituted amino acid of the formula:-R1R2N - (CH2)xCOOM where R1 is an aliphatic hydrocarbon radical of 12 to 20 carbon atoms, R2 is hydrogen or an aliphatic hydrocarbon radical, M is sodium potassium, and x is 1 or 2.  The compounds are thus derivatives of glycine and b - alanine.  The compounds specified comprise salts of N - methyl - N - dodecyl glycerine, the sodium salt of N - dodecyl glycerine; the sodium salt of N - coco - b  - alanine prepared from coconut oil fatty acids; salts of N - tetradecyl b  - alanine and salts of N - octadecyl b  - alanine.  The amino acid salt is used in the proportion of at least 5 per cent, preferably 10 to 15 per cent, of the weight of soap.  The non-ionic detergent is preferably a water-soluble poly - (lower) alkylene oxide derivative.  Types of such compounds are given and the polyethylene oxide ester of the mixture of fatty acids derived from palm kernel oil is exemplified. Proportions of at least 1 per cent, preferably 3 to 10 per cent, of the weight of soap are used.  The soap compositions may be in the form of tablets, pastes, powders or liquids.
Patent GB-695730-A (GB)
Title: Improvements relating to temperature regulations in internal combustion engines
IPC: F01P7/16
Filed: 1950-11-28
Abstract: 695,730. Cooling-systems for engines. DAIMLERBENZ AKT.-GES. Nov. 28, 1950 [Nov. 28, 1949], No. 29106/50. Class 64 (iii) [Also in Group XXVII] Valves e, f, controlling conduits b, c leading cooling medium (as described, water), passing from an I.C. engine via a conduit a, respectively to a radiator and directly back to the engine or circulating pump, are moved by a thermostat d the datum position of which is adjusted in accordance with engine loading so that the water temperature varies inversely thereto. As shown, the engine throttle valve j is linked to a piston g on which the thermostat d is mounted. Alternatively, the engine suction, as at the throat of a Venturi nozzle in the intake pipe, may act on a spring-loaded piston similarly connected to a thermostat. In either case the conduit c may be dispensed with, the thermostat acting on a single throttling valve in the main cooling water circuit. With a diesel engine the thermostat may be connected to the regulating linkage of the fuel injection pump. Other engine load factors such as output shaft or other torque or the quantity of fuel supplied per unit of time may be used as control factors, and the cooling medium temperature may be controlled by thermostatic regulation of a radiator fan or louvre.
Patent GB-1172917-A (GB)
Title: Improvements in or relating to a Heat Engine Ventilating Device
IPC: F04D25/02
Filed: 1967-06-23
Abstract: 1,172,917. Axial-flow fans. EUROTECHNI OFFICE EUROPEEN D'ETUDES ET DE REALISATIONS TECHNIQUES and S. E. R. M. A. G. SOC. D'ETUDES ET DE RECHERCHES MAGNETIQUES. June 23, 1967 [June 27,1966], No.29234/67. Heading F1C. [Also in Division H2] A heat engine ventilating device comprises, fixed respectively to a driven fan rotor 7 and a coaxial shaft 1 driven by the engine to be cooled, two magnetic coupling members capable of conveying torque without mechanical contact and one of which is an inductor having at least two complementary poles which magnetizes the other, induced, member which is of a permanent magnet material having a hysteresis cycle providing a slip coupling drive of the rotor beyond a predetermined maximum torque. This provides a substantially constant fan speed above a certain engine speed, and in the embodiment shown the induced member, a disc 4 of hysteretic alloy e. g. cobalt steel, is screwed or adhered to driving a pulley 3, and the driven, inductor, member is a ring shaped magnet 5 e. g. of barium ferrite adhered in the rotor 7 which is mounted on the shaft 1 by bearings 9, 10. In other embodiments the induced member is a cylinder surrounding either a cross-shaped inductor magnet (5b Fig. 8) or an axially magnetized annulus (14) having interpenetrating teeth (17, 18 Fig. 6); alternatively, the positions of the inductor and induced members can be reversed, and the inductor may be an electromagnet.
Patent GB-865210-A (GB)
Title: Improvements in the acid pickling of metals
Inventor: SHAW RICHARD ELLIOTT
IPC: C23G1/02
Filed: 1956-09-25
Abstract: Metals are pickled by immersion in an acid solution having a layer of inert liquid floating on its surface, the acid solution containing a surface active agent in a quantity less than that required to disperse or emulsify any of the inert liquid into the acid solution. The inert liquid may be a saturated hydrocarbon oil, petroleum jelly, a paraffin wax, an animal or vegetable oil such as lanolin, tallow or castor oil, bitumen, a low molecular weight synthetic resin, or a low melting natural resin.  A surface-active agent, preferably the one used in the acid solution, may also be incorporated in the surface layer.  Since the layers reduce fuming of hot acid baths, they are advantageously dyed to give warning that the baths are hot.  The examples relate to the pickling of steel and titanium, and disclose acid solutions containing diortho tolyl thiourea as inhibitor.  The Provisional Specification discloses acid solutions which do not contain surface active agents.
Patent GB-685403-A (GB)
Title: Process for the preparation of furane derivatives
Filed: 1950-11-30
Abstract: The invention comprises compounds of the general formula <FORM:0685403/IV (b)/1> wherein R stands for an alkyl or acyl group and X represents a chlorine or bromine atom.  These compounds are made by reacting a compound of the general formula <FORM:0685403/IV (b)/2> with reagents of the formula ZOX wherein X represents a chlorine or bromine atom and Z stands for hydrogen or an alkyl group. In examples (1) and (3) 2,5-diethoxy-3-hydroxy-4-chloro-tetrahydro furane is obtained from 2,5-diethoxy-2,5-dihydro-furane, and (1) tertiary butyl hypochlorite, or (3) hypochlorous acid; (2) 2,5 - diacetoxy - 3 - hydroxy - 4 - chlorotetrahydro-furane is obtained from 2,5-diacetoxy - 2,5 - dihydro - furane and tertiary butyl hypochlorite; (4) 2,5 - diisopropoxy - 3-hydroxy - 4 - chlor - tetrahydro - furane is prepared from 2,5-diisopropoxy-2,5-dihydrofurane and tertiary butyl hypochlorite; (5) 2,5-diethoxy - 3 - hydroxy - 4 - brom - tetrahydrofurane is prepared from 2,5-diethoxy-2,5-dihydro-furane and hypobromous acid.
Patent GB-929135-A (GB)
Title: Additives for otto cycle engine fuels
Inventor: NOTTES GUENTHER
IPC: C10L1/22
Filed: 1961-08-15
Abstract: An additive for fuels, e.g. gasoline containing 20% of benzene, comprises at least one glycol and pyrolidone and/or piperidone or their derivatives.  Lists of suitable compounds are given and include O-alkyl derivatives of piperidone, and polyglycols. Specification 754,904 is referred to.