baber/WOPTO huggingface dataset:
Patent GB-861410-A (GB)
Title: Improvements in pencil lead holders
IPC: B43K21/04
Filed: 1959-07-24
Abstract: 861,410. Pencil holders. FABER-CASTELL R. G VON, [trading as FABER-CASTELL, A. W. [Firm of]]. July 24, 1959 [Jan. 31, 1959], No. 25532/59. Addition to 861,118. Class 146(3). In a pencil holder as claimed in the parent Specification a tubular casing 4 is secured to the rear end of the front part 3 of the barrel and surrounds the part of the plunger 5 extending rearwards from the front part 3, the plunger 5 terminating in a knob 9 which projects from the rear end of the tubular casing. The plunger 5 is hollow and is secured at its forward end to the collet 1. The collet 1 grips a long piece' of lead 6 which extends rearwards into the plunger 5. A collar 5<SP>1</SP> on the plunger 5 serves as an abutment for a retracting spring 7. When the knob 9 is depressed the collet 1 relaxes its grip on the lead 6 which then slides downwards under the influence of gravity, until gripped again by the collet upon release of the knob. The parts 3, 4 may be of plastic, or part 3 may be of wood and the tubular casing 4 of a light metal, e.g. aluminium.
Patent GB-962705-A (GB)
Title: Process for the preparation of neomycin
IPC: C07H15/232
Filed: 1962-07-04
Abstract: Neomycin is produced by culturing a neomycin-producing strain of streptomyces flavo-albus on or in a nutrient therefor under aerobic conditions. A strain of this new species has been deposited at the State Hygienic Institute of Budapest under the No. 601,205.1. Cultivation is preferably at a temperature of 24 to 31 DEG C.  The antibiotic may be isolated by known methods.
Patent GB-691581-A (GB)
Title: Improvements in or relating to airlines having electrical conductors and couplings therefor
Inventor: HARRIS WILLIAM EDWARD
IPC: H01R24/58
Filed: 1951-11-03
Abstract: 691,581. Two-part couplings. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Nov. 3, 1951, No. 25765/51. Class 38 (i). [Also in Group XXVIII] A reinforced rubber airline containing a four-core polythene cable 2 comprises hose coupling parts 3 and 4 enclosed by rubber sleeves 16 and having integral spigots 5 and lugs 7 to which are screwed discs 9 perforated to let air pass. A standard telephonetype plug 14 and a corresponding jack 15 ,connected to the conductors are screwed into the discs 9 of the parts 4 and 3, respectively. Connection of complementary coupling parts is made by screwing the parts together, a gasket 13 being provided to make the seal air-tight.
Patent GB-695643-A (GB)
Title: Improvements in or relating to apparatus for distributing air in a plurality of localities from a common supply duct
IPC: F24F13/06
Filed: 1950-10-23
Abstract: 695.643. Cleaning spinning machines. CARRIER ENGINEERING CO., Ltd., and FOWLER, A. P. Oct. 23, 1951 [Oct. 23, 1950], No. 25803/50. Class 120(iii) An apparatus for supplying puffs of air to the creel and roving bobbins 5. Fig. 1, drafting gear 6 and yarn bobbins 7 of a ring spinning frame comprises a compressed air supply duct 1 'having disposed along its length a plurality of sets of diametrically diposed slots 3 and branch pipes 2a, 2b, 2c, Fig. 3 of .different lengths leading to nozzles 4; all but one of the pairs of slots 3 being normally obturated by a rachet and pawl activated rotatable liner 8, Fig. 2, having sets of diametrically opposed slots 3a, arranged helically so as to successively uncover each pair of slots 3 for a duration and at intervals determined by the speed of operation of the pawl. In a modification all the branch pipes are -df equal length, and in a further modification the pipes of each pair have three nozzles in parallel. In a still further modification wherein the supply duct is rectangular in cross-section the obturator is of plate form and is reciprocated by a cam or crank.
Patent GB-601821-A (GB)
Title: Improvements in or relating to sound deadening pads for typewriters and like machines
IPC: B41J29/08
Filed: 1945-10-04
Abstract: 601,821. Castar - cups. DREVER, R. Oct. 4, 1945, No. 25807. [Class 52(i)] Castor - cups for typewriters and the like e consist of a casing having an opening at its upper surface closed by a plate member which is supported by pneumatic means in the form of an air-containing rubber ring or rings. As shown the device comprises a circular casing 1 the upper edge 3 of which is flanged over to define an opening 2 of less diameter than the casing. In assembling a rubber &c. disc 6, a metal or fibre disc 7, an embossed metal disc 8, an open-ended indiarubber tube 9 of a length to provide approximately two coils are successively placed in the casing 1 successively from the open-ended base. The base is closed by a disc 4 having secured thereto a pad 10 of felt, rubber &c. In use the pressure of the typewriter &c. feet cause the ends of the rubber tube 9 to close and slowly force the air out. In a modification the casing 1 having the flanged opening 2 is also closed at the base and the rubber tubing 9 a metal disc 8 of a diameter equal to that of the opening 2 and a rubber disc 6 of larger diameter are placed in position successively through the opening 2. The pneumatic means may take the form of rubber &c. rings or bag inflated at atmospheric or other pressure.
Patent GB-699391-A (GB)
Title: Coupling for ganged rotatably controlled units
Inventor: GLUECKSTEIN HENRY JOACHEM
IPC: H01C10/20
Filed: 1951-11-05
Abstract: 699,391. Multi-unit variable resistances. GLOBE-UNION, Inc. Nov. 5, 1951, No. 25861/51. Class 37. [Also in Group XXIV] The shafts of ganged variable -resistance units for radio or television sets are coupled by a disc 40 having a pair of apertures 44 shaped as shown in Fig. 4, so that the disc may, while in an eccentric position, be passed over the forward end of the shaft 34 of a rearward unit 10<SP>1</SP>, with the central part 42 of the disc engaging a slot 26 in the end of the shaft so as to couple the parts 34, 40 for rotation, and may then be moved radially into central position in which narrower parts 46 of the apertures cooperate with an annular groove 38 on the shaft 34 to hold the parts 34, 40 axially, the disc 40 having slots 48 which engage, when the units are assembled together, with fingers 22 on a plate 20 secured to the rearward end of the shaft 18 of the adjacent forward unit 10. With the fingers 22 engaged in the notches 48, the disc 40 is prevented from moving radially to such an extent as to free itself from the groove 38. A radial projection 24 on one finger 22 cooperates with a stop 17 to limit the rotation. In the twin unit shown, the forward unit 10 is clamped against a plate 16 secured to a bushing 14 mounted in the panel, and the rear unit 10<SP>1</SP> is similarly clamped against a plate 32 secured to a bushing 30 to which is also secured a cover 28 fitting over the forward unit 10 and clamped to the plate 16.
Patent GB-443846-A (GB)
Title: Improvements in and relating to electric discharge lamps
IPC: H01J61/92
Filed: 1934-09-10
Abstract: 443,846. Discharge lamps. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London, WARREN, H. W. H., The Orchard, St. Andrew's Road, Earlsdon, Coventry, and DAVIES, L. J., 147, Murray Road, and MITCHELL, J. H., 8, Graham Road, both in Rugby. Sept. 10, 1934, No. 25998. [Class 39 (i)] Two parallel arcs or discharges are maintained in series in separate compartments formed by a partition in close contact with the walls of the lamp at one end and not extending fully to the other end. Activated, selfheated cathodes 3 are arranged as shown on opposite sides of a glass partition 2 cemented or sealed to, or in close contact with, the walls 1 but not extending to the top 1<1>. The input leads 6 carry the lower cathodes, and the upper cathodes are connected together by a low-resistance connection 5 and are held by a support fused through the partition 2 or extending from the lower end 4. In exhausting the lamp, the cathodes are heated by induction or arcs, and leads need not be brought out from the upper cathodes. The lamp may be of the type operating with a high-pressure mercury or mercury and cadmium filling and with a low-pressure, rare gas filling and may have an outer envelope evacuated or filled with gas at sufficient pressure to prevent arcing between leads. Alternatively, the lamp 1 may have no outer envelope or may be inserted into a separate Dewar flask.
Patent GB-770212-A (GB)
Title: Improvements in high vacuum diffusion pumps
Inventor: AIKIN ARTHUR WATSON
IPC: F04F9/00
Filed: 1955-08-19
Abstract: 770,212. Injectors. METROPOLITANVICKERS CO.. Ltd. -Aug. 19, 1955 [Sept. 8, 1954], No. 26041/54. Class 71 An inverted coneshaped jet-forming member 2 located above the flared open end 6 of the uptake pipe 1 of a high vacuum diffusion pump has a ridge 5 serving to return droplets of working fluid, e.g. oil condensed on the jet member 3 back to the pipe 1. The diameter of the ridge 5 is greater than that of the pipe 1 but is less than that of the flared end 6.
Patent GB-1021114-A (GB)
Title: Improvements in or relating to switching networks
IPC: H04Q3/54
Filed: 1963-07-01
Abstract: 1,021,114. Automatic exchange systems. P. LUCAS, and J. DUQUESNE. July 1, 1963 [June 30, 1962], No. 26061/63. Heading H4K. In a system using cross-bar switches controlled electronically in a manner similar to that described in Specification 1,011,508, group selection stages are located at a main exchange and subscriber selection stages at a satellite. A calling substation is connected (in a first routeselecting step known as " preselection ") through the subscriber selection stage to a junctor at the main exchange, the junctors forming the entries of routes extending through the group selection stage and the subscriber selection stage in cascade. In a final route-selecting step the seized junctor is connected to the called substation through the group selection stage and the subscriber selection stage.
Patent GB-201120-A (GB)
IPC: D04C1/00
Filed: 1922-09-27
Abstract: 201,120. Henkels, A. & E. July 18, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Braid.-A unitary braided fabric is made in strip form of a number of sections a, b, c of lace fabric of contrasted character or design.
Patent GB-310736-A (GB)
Title: Improvements in and relating to floor-surfacing devices
IPC: A47L11/16
Filed: 1928-09-12
Abstract: 310,736. Burnside, H. Sept. 12, 1928. Floors, treating; wheels and other tools. - A floor surfacing device comprises a frame 1 supporting an electric motor 12 which is connected by chain and sprocket gearing 13, horizontal shaft 14, and bevel gearing 16, 17, to a pair of vertical shafts 8, 9 carrying plates 20, 21 respectively, to which grinding heads 24 are resiliently connected. The plates are fitted with equi-spaced projections 30 connected to rings 27 of rubber or other resilient material, while projections 31 on the grinding heads are also connected to the rings 27 at points intermediate the projections 30. The grinding-heads, which rotate in gear like relation as shown in Fig. 3, are fitted with grinders 33 carrying blocks 34 of emery or similar material. Studs 35 on the grinders engage in caps 36 fitted to the grinding- heads so that in operation the grinders may rotate independently about the studs 35 to ensure uniform wear of the grinding-blocks. Springs 23 are located between central bosses on the plates 20, 21 and the grinding-heads respectively. The rear of the main frame carries a shaft 3 on which is pivoted a carriage having wheels 6 which adjust themselves to the surface of the floor under treatment.
Patent GB-913865-A (GB)
Title: Carboxylic acid esters of polyfunctional hydroxymethyl ethers and a process for their production
Inventor: PLOETZ ERNST
IPC: C07C69/003
Filed: 1960-07-28
Abstract: Carboxylic esters of polyfunctional hydroxymethyl ethers are prepared by reacting 1 mol of an organic compound containing 2 to 6 primary or secondary alcoholic hydroxyl groups with at least 2 mols of formaldehyde or polymerized formaldehyde at an elevated temperature and treating the resultant hemiacetal with at least 2 mols of an acetylating and/or propionylating agent in the absence of water.  The initial polyhydroxy compounds may contain nitrogen, oxygen or sulphur as hetero-atoms.  Suitable polyhydroxy compounds include those derived from alkanes, alkenes and alkynes which may also contain aldehyde, ether, thioether, sulphone or amino groups.  The products of the formulae <FORM:0913865/IV (b)/1> in which R1 represents an alkyl radical containing 1-20 carbon atoms or a radical of the formula -Z-O-CH2-O-CO-R5, R2 represents an alkyl radical containing 2-4 carbon atoms which may be substituted by a hydroxyl group or by a group of the formula -O-CH2-O-CO-R6, R3, R4, R5 and R6 represent methyl or ethyl radicals, A, B and Z represent alkylene radicals containing 2-4 carbon atoms, and X represents an equivalent of an anion, are claimed per se.  The formaldehyde may be added in free form, either anhydrous or in aqueous solution, or in the form of its readily clearable polymers.  Inert solvents may be present.  The acylation is conducted under anhydrous conditions using acid anhydrides or halides, or ketenes.  In Examples (3)-(5), (8), (9) and (12)-(17) using paraformaldehyde and acetic anhydride:- (3) triethylene glycol gives its bis-acetoxymethyl ether; (4) triethanolamine gives the acetate of its triacetyloxymethyl ether; (5) tetraethanolammonium chloride gives its tetraacetyloxymethyl ether; (8) hexaethylene glycol, (9) dihydroxydiethylsulphone, (12) but-2-ene-1, 4-diol, (13) but-2-yne-1,4-diol, (14) n-hexane-1,6-diol and (15) n-hexane-2,4-diol give their respective bis-acetyloxymethyl ethers; (16) and (17) sorbitol gives its tetrahydroxymethyldiacetyloxymethyl and hexaacetyloxymethyl ethers. Using pentaerythritol and acetic anhydride, (1) and (2) formaldehyde, and (7) aqueous formaldehyde, give (1) and (7) the tetraacetyloxymethyl, and (2) the mixed polyacetyloxymethyl, ethers of pentaerythritol.  In other examples; (6) paraformaldehyde, propionic anhydride and dimethyldihydroxyethylammonium methosulphate give the bispropionic acid ester of dimethyldihydroxyethylammonium methosulphate bis-hemiacetal; (10) paraformaldehyde and ketene convert ethylene glycol to its bis-acetyloxymethyl ether; (11) paraformaldehyde and acetyl chloride convert butane-1,4-diol to its bis-acetyloxymethyl ether.  Many other reagents are specified.  The products are used in the treatment of textiles.
Patent GB-334067-A (GB)
Title: A self-feeding tool for feeding and cutting wire, tape, thread or the like
IPC: B65H49/20
Filed: 1929-08-29
Abstract: 334,067. Bleasdale, B., Heiser, C. R., and Jack, S. J. Aug. 29, 1929. Rod and bar feeds. - Pliers for feeding and cutting wire, tape, thread, &c. comprise a pair of lever arms pivoted together, a ratchet operated feed roller mounted on the pivot of the lever arms to feed the wire &c. and cutter blades on jaw extensions of the arms. The arm 1 carries a wire supply 21 which is fed to the jaws 11 on the ends of the pivoted lever arms 1, 2 by a feed roller 3 rotated when the lever arms are closed by a pawl 7 with head 7a engaging teeth 8 in a ratchet plate attached to the feed roller, the wire being pressed against the latter by pressure rollers 5 mounted in cheeks 15 on the lever arm 1 engaged by springs 17 carried by an auxiliary lever 18. The arms 1, 2 are opened by a spring 9, during which movement the feed roller 3 is held against backward movement by a holding pawl 12 on the arm 1. The length of wire fed is bent laterally and severed by blades 10 on the sides of the jaws 11.
Patent GB-380254-A (GB)
Title: Improvements relating to fishing reels
IPC: A01K89/015
Filed: 1931-09-21
Abstract: 380,254. Fishing reels. HIRST, J. H., Tarn House, Whitehall Road, Wyke, Bradford, Yorkshire. Sept. 21, 1931, No. 26311. [Class 48.] A fishing rod of the rotating drum type is converted into one of the stationary drum type by a line guide E which can be turned from a position parallel to the rod to one at rightangles thereto. The guide E is mounted on the rod or on the reel and in the latter case is either pivoted to a fixed bracket or is mounted in a spring-pressed clutch member D which engages a projection T on a bracket A.
Patent GB-1014358-A (GB)
Title: Pulse converting system
IPC: H04B14/06
Filed: 1964-06-25
Abstract: 1,014,358. Electric selective signalling. MOTOROLA Inc. June 25, 1964 [July 11, 1963], No. 26337/64. Heading G4H. In a delta modulation system a series of alternate " 1 " and " 0 " signals which indicates the absence of change if converted to a series of " 0's " to avoid sending " 1's " by sampling three adjacent pulse positions, converting a 010 pulse sequence to a 000 sequence and vice-versa. Since the no-charge signal may occupy half of the duration of a transmission it saves power to change the alternate series to one of all " 0's " for this indication. The converter, Fig. 2, which may be used at the transmitter or receiver, comprises three shift register stages 25, 26, 27, through which the signals pass, and gates 29, 30 controlled by pulses from clock 28. Gate 29 has an input on lead 31 from .the " 1 " output of stage 26 and blocking inputs on leads 34, 35 from the " 0 " outputs of stages 25, 27. The sequence 010 is therefore converted to 000. Gate 30 has a constant input from terminal 38 and it opens when three " 0's " are present in the three stages to pass a " 1 " to the output circuit 32. By itself gate 30 would produce a sequence of " 1's " from a continuous succession of " 0's ". A connection is therefore made from gate 30 to the input of stage 27 which is set by the occurrence of a " 1 ". The following sequence is thereby changed from a 000 to 001 a " 0 " output is produced by gate 30. In the next following 000 sequence a " 1 " output is produced from gate 30 as before. The series of " 0 " signals therefore produces an alternating sequence. A more complex circuit is also described which produces a more accurate conversion and restoration of the pulse train. It has 4 stages of shift register instead of three and differs in that it adds a " 1 " pulse when the sequence 0010 appears in the register.
Patent GB-984895-A (GB)
Title: Improvements in aqueous resin dispersions
IPC: C08J3/03
Filed: 1961-07-21
Abstract: A process for the preparation of stable aqueous polyvinyl acetal dispersions comprises agitating the mixture comprising 100 parts by weight of a polyvinyl acetal containing not more than 30% by weight of hydroxyl groups calculated as polyvinyl alcohol, not over 30% by weight ester groups calculated as polyvinyl ester and the balance substantially acetal groups, and 0.5 to 30 parts by weight of an emulsifier with sufficient water to form a water-in-resin dispersion while heating the mixture up to at least the second order transition temperature of the resinous phase, agitating and heating said mixture to form a water-in-resin dispersion, and then with continued agitation and maintenance of the temperature of the mixture up to at least the second order transition temperature of the resinous phase adding sufficient water to cause the water-in-resin dispersion to invert to a resin-in-water dispersion.  The second order transition temperature is defined as the temperature at which the resin has a modulus of elasticity of 1 x 104 p.s.i., and the resin or resinous phase may include a plasticizer up to the amount of 5 parts.  The polyvinyl acetal may be the reaction product of a partially hydrolysed polyvinyl ester, e.g. acetate, with butyraldehyde, formaldehyde, acetaldehyde, propionaldehyde or benzaldehyde.  The plasticizer may be castor oil, dibutoxyethyl phthalate, diethyl phthalate, dibutyl sebacate, dibutyl phthalate, butyl ricinoleate, triethylene glycol dihexoate, trioctyl phosphate, triethylene glycol ester of coconut oil fatty acids, phenyl ethers of polyethylene oxide resin derivatives and oil modified sebacic alkyd resins.  The emulsifying agent may be a sodium, potassium, lithium, rubidium, caesium, quaternary ammonium, triethanolamine or morpholine salt of stearic, oleic, ricinoleic, palmitic, lauric, dodecyl benzene sulphonic or abietic acid.  The dispersions may also contain fillers and modifying agents such as starches, clays and natural gums.
Patent GB-673632-A (GB)
Title: A method of separating soapstock from vegetable or animal oils
IPC: C11B3/06
Filed: 1947-10-01
Abstract: In the centrifugal separation of soapstock from vegetable and animal oils containing saponified fatty acid, the need for diluting the material or for flushing the collecting vessel surrounding the centrifugal bowl is avoided by effecting the separation in a centrifuge of the closed type in which both the supply pipe and the discharge pipe are in sealed communication with the bowl, such for example as described in Specification 608,808, [Group XXVI]. Automatic pressure-operated valves of known type may be fitted in the oil and soapstock discharge pipes to maintain constant pressure in the outlets.  The freedom from soapstock of the oil may be controlled by a photo electric cell in the oil discharge pipe arranged to be influenced by the cloudiness of the oil and to regulate the speed of the centrifuge or a throttle valve on the oil inlet.ALSO:In the centrifugal separation of soapstock from vegetable and animal oils containing saponified fatty acid, the need for diluting the material or for flushing the collecting vessel surrounding the centrifugal bowl is avoided by effecting the separation in a centrifuge of the closed type in which both the supply pipe and the discharge pipe are in sealed communication with the bowl, such for example as described in Specification 608,808, [Group XXVI].  Automatic pressure - operated valves of known type may be fitted in the oil and soapstock discharge pipes to maintain constant pressure in the outlets.  The freedom from soapstock of the oil may be controlled by a photo electric cell in the oil discharge pipe arranged to be influenced by the cloudiness of the oil and to regulate the speed of the centrifuge or a throttle valve on the oil inlet.
Patent GB-1404321-A (GB)
Title: Electric lighters
IPC: F23Q2/28
Filed: 1972-06-07
Abstract: 1404321 Ignition systems PROCESS AUTOMATION Ltd and DUNHILL LIGHTERS Ltd 12 July 1972 [13 July 1971 7 June 1972] 32869/71 and 26546/72 Heading F1B [Also in Division F4] An ignition circuit for a smoker's lighter powered by at least one electric cell comprises a capacitor C1 to store energy for the production of a spark, a capacitor discharge circuit including spark electrodes IE for igniting fuel from the burner assembly, a manually operable switch SW1 actuable for the production of a spark, and a capacitor charging circuit including semiconductor switching means which is switched to a first state by a signal produced on closure of switch SW1 and to a second state by a return signal derived from discharge of the capacitor and which in the first state allows the capacitor charging circuit to operate and in the second state stops it operating. The semi-conductor switching means comprises transistors VT3, VT4 forming a complementary pair so that closure of switch SW1 turns on both transistors. Voltage supplied by cells E is applied to an inverter comprising a multi-vibrator the feedback for which is obtained from a winding P2 of a step-up transformer T 1 the output of which is connected via rectifier D1-D4 to the capacitor C1. Capacitor C1 discharges into a step-up transformer T2, the discharge being controlled by a thyristor D5 and its triggering diode D6. Discharge of capacitor Cl results in transistors VT3 and VT4 being turned off via capacitor C3 thereby stopping base current to transistors VT1, VT2. A capacitor C2 is also charged and the charge decays through resistances R1, R2 so that transistors VT3, VT4 are maintained off until switch SW1 is reactivated.