baber/WOPTO huggingface dataset:
Patent GB-1329139-A (GB)
Title: Multi-stage change speed gear for power-operated tools
IPC: B23Q5/26
Filed: 1970-11-13
Abstract: 1329139 Variable-ratio gearing ROBERT BOSCH GmbH 13 Nov 1970 [14 Nov 1969] 54078/70 Heading F2D A constant-mesh gear for an electric percussion drill has gear-wheels 171, 18<SP>1</SP> one or other of which is selectively clutched to a shaft 9<SP>1</SP> by spring-loaded balls 30 which project out of a cylindrical portion 13 of the shaft 9<SP>1</SP>, the shaft 9<SP>1</SP> being axially slidable by a shift device (not shown), acting via a groove in the shaft 9<SP>1</SP>, to selectively engage the balls 30 with internal teeth 19<SP>1</SP> of one or other of the gear-wheels 17<SP>1</SP>, 18<SP>1</SP> which are axially retained by casing bosses, the internal teeth 19<SP>1</SP> of the gear-wheels stopping short of the adjacent faces of the wheels to provide a neutral position. The gear-wheels 17<SP>1</SP>, 18<SP>1</SP> are continuously rotated at different speeds via an intermediate shaft (not shown) by an electric motor (not shown), the gear wheels 17<SP>1</SP>, 18<SP>1</SP> freely rotating (with the clutch balls 30 in the neutral position ) on the cylindrical portion 13 of the shaft 9<SP>1</SP> which is integrally formed with a pinion which meshes a gear-wheel on an output shaft. The two, or three (Fig. 2, not shown), spring-loaded balls 30 permit change of ratio whilst under load i.e. during drive and additionally serves as a safety release clutch to allow over running and slip on overload.
Patent GB-1129587-A (GB)
Title: Improvements in or relating to reel mountings
IPC: G11B15/66
Filed: 1965-12-21
Abstract: 1,129,587. Securing reels on hubs. HONEYWELL Inc. 21 Dec., 1965 [28 Dec., 1964], No. 54181/65. Heading F2U. A tape reel 62 is held on a mandrel 16 having radially movable sectors 40 biased inwards by a surrounding rubber band 58, and outwardly to grip the reel 62 by a tapered sleeve 30 loaded axially by spring 60 such that axial movement of the sleeve 30 against spring 60 allows the rubber band 58 to contract the sectors 40 on to a steeper taper 38 of the sleeve 30 and thus release the reel. The sectors have a flanged periphery locating the rubber band 58. Rollers 54 engage the sleeve 30 and slide in circular radial holes 24 in a ring 22 attached to the mandrel body 16. The outer flanges 44 of the sectors locate the reel axially against the edge 18 of the mandrel 16. The sleeve 30 may be hexagonal or have individual tapers on a cylindrical surface. Rollers 54 may be replaced by solid lifters.
Patent GB-1180695-A (GB)
Title: Fluid Shortening for Cakes and Cream Icings
IPC: A23D9/013
Filed: 1968-11-15
Abstract: 1,180,695. Fluid shortening. PROCTER & GAMBLE CO. 15 Nov., 1968 [16 Nov., 1967], No. 54243/68. Heading C5C. A fluid shortening comprises a liquid glyceride base oil and triglyceride hardstock and a quaternary mixture of, by weight of the shortening:-(a) 0À5-5À0% normally solid monoester of glycerol and C 12 -C 22  fatty acid, the monoester having an I.V. of less than 12; (b) 0À5-3À0% monoester of polyoxyethylene sorbitan and C 14 -C 22  fatty acid; (c) 0À2-2À0% decaglycerol ester of C 14 -C 22  fatty acid containing 2 to 5 fatty acid groups per molecule; (d) 1-5% monoester of propylene glycol and a C 14 -C 26  fatty acid, at least 20% of the fatty acid containing at least 22 carbon atoms. The base oil may be a vegetable, animal or fish oil or a synthetic diglyceride or triglyceride with one C 2 -C 6  fatty acid residue and one or two C 12 -C 22  residues. The preferred base oil is cottonseed and/or soybean oil. Preferred additives are (a) monoglyceride of completely hydrogenated soybean oil; (b) polyoxyethylene (20) sorbitan monostearate; (c) decaglycerol triester of a partially hydrogenated vegetable oil of I.V. not greater than 45 and fatty acid residues of 16-18 carbon atoms; (d) superglycolated completely hydrogenated rapeseed oil or propylene glycol monobehenate. The triglyceride hardstock may be completely hydrogenated soybean oil present in amount 1-20% by wt. of the shortening.
Patent GB-1158140-A (GB)
Title: High Barrier Thermoplastic Film
IPC: B29C48/08
Filed: 1966-12-06
Abstract: 1,158,140. Extrusion-laminated films. NATIONAL DISTILLERS & CHEMICAL CORP. 6 Dec., 1966 [8 Dec., 1965], No. 54614/66. Heading B5B. A laminated film comprises an inner layer of polyvinylidene chloride extrusion laminated between outer layers of a polyolefine, e.g. polyethylene. The outer layers are preferably thicker than the central layer and the whole film may be stretched, at least transversely, by a ratio of at least 2:1. The apparatus of Specification 1,115,004 may be used to extrude the laminate. The product has high resistance to the passage of gases, e.g. an O 2  transmission rate as low as 1À5 c.c./645 sq. cm./24 hr.
Patent GB-1223307-A (GB)
Title: Derivatives of salicylamide
Inventor: MROZIK HELMUT
IPC: A61K31/625
Filed: 1968-11-18
Abstract: 1,223,307. Derivatives of salicylamides. MERCK & CO. Inc. 18 Nov., 1968 [22 Nov., 1967], No. 54657/68. Heading C2C. [Also in Division A5] Novel derivatives of salicylamide of the formula wherein A is H or C 1-6  alkanoyl; n is 0, 1, 2 or 3; Y is halogen, OH, C 1-5  haloalkyl, C 1-5  alkoxy, or NO 2 ; R is phenoxypyridine, phenylthiopyridine, pyridinoxybenzene or pyridinethiobenzene residues and each of said aromatic rings is optionally substituted with up to three of the following: halogen, C 1-5  alkyl, haloalkyl, C 1-5  alkoxy, C 1-5  alkylthio, NO 2 , CN, C 1-5  halogenated alkoxy, C 1-5  halogenated alkylthio or NH 2 , and Z is H or C 1-5  alkyl and acid addition or replacement salts thereof are prepared by reacting compounds of the formula wherein each of X and X 1  is halogen, C 1-5  alkyl, haloalkyl, C 1-5  alkoxy, C 1-5  alkylthio, NO 2 , CN, C 1-5  halogenated alkoxy, C 1-5  halogenated alkylthio, or NH 2 , Q is O or S, and one of W 1  and W 2  is H and the other of W 1  and W 2  is NH 2  or C 1-5  alkylamino, with the corresponding salicylic acids in the presence of a halogenating agent, followed by, if desired or necessary, alkylation of the amido nitrogen atom. 5 - Amino - 2 - (3,4 - dichlorophenoxy)pyridine is obtained by hydrogenating 5-nitro-2-(3,4 dichlorophenoxy) pyridine resulting from the condensation of 3,4-dichlorophenol with 2- chloro-5-nitropyridine. The following intermediates are prepared in a similar way: 2-amino- 5 - (3,4 - dichlorophenoxy) pyridine, 2 - nitro-5- (3,4 - dichlorophenoxy) pyridine, 5 - amino-2- (m - trifluoromethylphenoxy) pyridine, 5 - nitro- 2 - (m - trifluoromethylphenoxy) pyridine, 3- chloro - 5 - amino - 2 - (m - trifluoromethylphenoxy) pyridine, 3 - methyl - 5 - amino - 2 - (mtrifluoromethylphenoxy) pyridine, and 3-amino- 5 - nitro - 2 - (m - trifluoromethylphenoxy)- pyridine. 3-Chloro-4-(3-pyridinoxy)-aniline is made by reducing 3 - chloro - 4 - (3 - pyridinoxy)-nitrobenzene, obtained by reacting 1,2-dichloro-4- nitrobenzene with 3-pyridinol. The following compounds are prepared in a similar way: 3- methyl - 4 - (3 - pyridinoxy) - aniline, 4-(3- pyridinoxy) - aniline, 4 - (3 - pyridinoxy) nitrobenzene and 3 - methyl - 4 - (3 - pyridinoxy)- nitrobenzene. 5 - Amino - 2 - (pchlorophenylthio) pyridine is prepared by reducing 5-nitro-2-(p-chlorophenylthio) pyridine, resulting from the reaction of 2-chloro-5-nitropyridine on p-chlorothiophenol. Similarly, 2 - amino - 5 - (p-chlorophenylthio) pyridine and 2 - nitro - 5 - (pchlorophenylthio) pyridine are obtained. 4 - (3 - Pyridinethio) - aniline is prepared by hydrogenating 4 - (3 - pyridinethio) - nitrobenzene, which is made by reacting p-chloronitrobenzene with 3-mercaptopyridine.
Patent GB-1277028-A (GB)
Title: Improvements in or relating to electrical connectors
Inventor: HOWARTH ERIC
IPC: H01R13/22
Filed: 1968-11-20
Abstract: 1277028 Two-part couplings M & C SWITCHGEAR Ltd 19 Nov 1969 [20 Nov 1968] 54961/68 Heading H2E An electrical connector comprises interengageable spigot (plug) and socket members 10, 25, one member e.g. spigot 10 having a nut 22 held captive thereto by a ring 23 located between opposed annular grooves 22B, 16C in said nut and spigot, the socket 25 having a formation, e.g. an external screw thread 27A to engage said nut. The ring 23 may be of synthetic resinous material e.g. nylon tubing and is inserted into the cavity through a hole (24B, Fig. 3, not shown) in the nut 22, which hole may intercept the groove in the nut tangentially. The spigot and socket members 10, 25 house registrable electrical contacts 14, 31 of which those in at least one member for e.g. in socket 25 are resiliently mounted by means of coil spring (43, Fig. 6, not shown). A pin and slot connection on at least one of the contacts (Fig. 6, not shown) enable a rotational and wiping contact to be made. The end faces of one of the contacts may be concave. The individual conductors 12 are earthed to body of plug 10 through a metallic clamp 17 and a corrugated earthing ring 29 connects the casing of socket 25 to body of plug 10.
Patent GB-1083866-A (GB)
Title: Non-tacky putty compositions
IPC: C10C3/02
Filed: 1965-12-28
Abstract: Putty compositions which rapidly skin-over and become tack-free are prepared by adding a relatively low molecular weight (500 to 12,000) polysulphide polymer to a high molecular weight (50,000 to 200,000) elastomeric adhesive compound mixed with at least one plasticizer and at least one filler.  There may be 1 to 20 parts by weight of low molecular weight polysulphide polymer, 100 to 1500 parts by weight of plasticizer and 100 to 1500 parts by weight of filler per 100 parts by weight of high molecular weight elastomer.  In an example, putties are prepared from a high molecular weight polysulphide polymer, a mercaptan terminated polysulphide polymer (molecular weight about 4000) chlorinated biphenyl, calcium carbonate, magnesium silicate, titanium dioxide, toluene and an acrylate resin.  The low molecular weight polysulphide polymer also may be terminated by isocyanate groups or amine groups.  Other high molecular weight elastomers mentioned are 1-butene homopolymer, isobutylene-isoprene copolymer, styrene-butadiene copolymer, 2-chloro-1,3-butadiene homopolymer and saturated chlorosulphonated polyethylene polymer.  Other fillers and plasticizers are listed.
Patent GB-1493803-A (GB)
Title: Writing apparatus
IPC: B41J2/49
Filed: 1973-11-28
Abstract: 1493803 Selective printing R A G MOFFATT 22 Nov 1974 [28 Nov 1973] 55182/73 Heading B6F A writing machine has a pen 12 orthogonally moved by the rocking nails 13, 14 which produce the X and Y components respectively. Depressing a character key in a keyboard (not shown) connects one of the pairs of cams 30, 31 with their two respective followers (not shown). The followers are respectively associated with the rails 13, 14. Each cam pair 30, 31 produces orthogonal movement in the pen 12 to produce a character. The cam pair 30, 31 can alternatively be a single cam with two tracks. Alternatively the cam followers can be contoured and the cam pairs replaced by an eccentric nib on the shaft 32. The shaft 32 may be rotated by a spring; the spring being tensioned by a motor or depression of the keys. A stop (d), Fig. 3 (not shown), prevents the shaft 32 performing more than one revolution when a key is depressed. The pin 12 is moved in a letter spacing direction by a pawl and ratchet mechanism, Fig. 6 (not shown). The keyboard may embody a mechanism, Fig. 8 (not shown), for preventing simultaneous depression of more than one key. Case shift can be effected by providing two tracks on each cam 30, 31 between which the followers can be switched.
Patent GB-1534509-A (GB)
Title: Axial flow pumps or fans
IPC: F04D29/64
Filed: 1975-12-23
Abstract: 1534509 Axial-flow pumps or fans GIRDLESTONE PUMPS Ltd 23 Dec 1975 [23 Dec 1974] 55481/74 Heading F1C An axial-flow pump or fan comprises an impeller 2 which produces flow of fluid in the axial direction with a circumferential component on to a backplate 4 having a helical ramp of opposite pitch to that of the impeller, the ramp ending in a shoulder 4a adjacent a radial outlet 3a and through which it directs the pumped fluid. A plurality of circumferentially spaced outlets may be provided, the backplate having a corresponding plurality of helical ramps. The backplate and impeller may be detached to permit substitution of different impellers and backplates.
Patent GB-1484048-A (GB)
Title: Waste gas discharging system for a regenerative coke oven battery
IPC: C10B5/10
Filed: 1974-12-23
Abstract: 1484048 Coke ovens CARL STILL 23 Dec 1974 [22 Dec 1973] 55529/74 Heading F4B In a coke oven battery having regenerators for heating combustion air, there are a number of longitudinal waste gas ducts 9-14 running under the regenerators and connected to the chimney at one end of the battery, and a number of groups of three transverse ducts 3a, 3b-8a, 8b receiving waste gas from the re. generators on both sides of the battery, each group being connected to a single one of the ducts 9-14. The transverse ducts run under the longitudinal ducts and connections are made by sloping down the floor of the longitudinal ducts to the level of the floor of the group of transverse ducts. The ducts are lined with heatresisting mortar reinforced with wire netting.
Patent GB-1471298-A (GB)
Title: Electroacoustic transducer
IPC: H04R9/04
Filed: 1974-12-23
Abstract: 1471298 Electrodynamic transducers; diaphragms FOSTER ELECTRIC CO Ltd 23 Dec 1974 55535/74 Heading H4J In an electrodynamic transducer (Fig. 1) comprising permanent magnets 2, 3, 2<SP>1</SP>, 3<SP>1</SP> carried by a soft iron plate 5, 6 one on each side of a diaphragm 1, one of the soft iron plates 5 is perforated and the diaphragm carries a conductor 4 having a chemically produced non-corrosive film 9 (Fig. 3) formed on the surfaces thereof. Preferably the conductor 4 is of aluminium and the non-corrosive film is aluminium oxide. The conductor 4 is preferably of zig-zag shape (Fig. 2). It is preferably formed by adhering aluminium foil (thickness 20 microns) to a polyester diaphragm (thickness 12 microns) using a thermosetting resin bonding agent (thickness 5 to 10 microns). A photoresist agent is applied to the aluminium foil in the desired pattern, the foil is subjected to photographic printing, etching and photoresist removing steps. The etching solution comprises Na 2 CO 3 , CrO 3  and NaAlO 2 . The transducer may be in a loudspeaker, headphone or microphone.
Patent GB-1448857-A (GB)
Title: Electrically-propelled driving means for a vehcile ap
IPC: B61C9/52
Filed: 1973-11-30
Abstract: 1448857 Propelling motor vehicles D & K ORENSTEIN & KOPPEL AG 30 Nov 1973 [30 Nov 1972] 55598/73 Heading B7H An electrically propelled driving means for a vehicle, especially for a railway bogie, includes two wheel sets secured on parallel rotatable axles 3, 3a carried in a frame 1 between which is disposed an electric motor unit 4, 5, 8 which drives the axles through separate transmissions. The motor unit has inner and outer torque producing members 4 and 8 each provided with an output shaft 13 and 9 respectively journalled at its non-driving end in or on the output shaft of the other member. Bevel gear units 7, 7a include gear wheels 12, 15 meshing gear-wheels 10, 14 coupled to the shafts 9 and 13 by flexible couplings 11. The member 4 of the motor unit constitutes a motor armature, while the member 8 constitutes a rotatable field to produce opposite torques on the shafts 9 and 13 and so drive wheels on the axles independently at speeds to compensate for varying tread diamaters of the wheels. In other embodiments, Fig. 2 (not shown), a motor (24) has separate armatures for rotation in opposite directions, while in Fig. 3 (not shown) independent motors (44a, 44b) are secured together by a clamping ring (45).
Patent GB-1381617-A (GB)
Title: Electronic calculators
IPC: G06F3/02
Filed: 1972-12-05
Abstract: 1381617 Digital calculators HEWLETTPACKARD CO 5 Dec 1972 [30 May 1972] 56094/72 Heading G4A A series-mode electronic calculator includes a serial multiword store. Words from a keyboard are entered into the first word position in the store. When an Enter key is operated all the words in the store are shifted down by one word position, the word in the top position being retained so that the words in the top and second positions are identical.  The embodiment described employs a 4-word serial recirculating shift-register main store (61, Fig. 1, not shown). Following the actuation of an Enter key, and assuming that the 4 words in the store are KB, M1, M2, M3, the successive words KB, M1, M2 are gated via a 1-word delay register (M5) to the last position of the store so that they are shifted down one word position in the 4-word cycle, word M3 being lost. The first word KB of the cycle is retained in the first position of the store so that the cycle is now KB, KB, M1, M2. Because of this arrangement a Repeat key is not required. If a Data key is now operated the first word storage position is cleared, i.e. KB is deleted, and the new data word is inserted in this position. When a Store key is operated recirculation occurs without shift down but the first word KB of the cycle is also passed to an auxiliary one word recirculating register (M4). By operating a Recall key the word in this register is reinserted in the first position of the main store, the data currently in the store being shifted down by one position. When an Add key is operated the first and second word of the cycle are fed to an adder and the result placed in the first word position. The words in positions 3 and 4 are shifted up to positions 2 and 3. Data in the first word position can be complemented by operating a Change Sign key, causing a complement bit accompanying the word to be inverted. If new data is now to be entered the original sign of the first word is restored prior to shifting the words in the main store down one position. The new data is placed in the first word position with its sign bit complemented.
Patent GB-1461079-A (GB)
Title: Rotor position sensor for controlling the commutation of a  dc motor
IPC: H02P6/14
Filed: 1973-12-06
Abstract: 1461079 Dynamo-electric machines; control of brushless motors INTERNATIONAL STANDARD ELECTRIC CORP 6 Dec 1973 [6 Dec 1972] 56537/73 Headings H2A and H2J The switching transistors T4, T7, T10 for commutating the stator windings MI, MII, MIII of a brushless permanent magnet D.C. motor are controlled by a rotor position sensor comprising a coupling member 4 driven by the motor rotor and disposed between a primary coil 7 connected to a pulse generator and pick-up coils 9 connected in the transistor control circuits T2, T3; T5, T6; T8, T9 of the transistors T4, T7, T10. The coupling member 4 is an apertured cylindrical element which varies in succession the coupling between the primary coil 7 and the various pick-up coils 9. The pulse generator for the coil 7 is conventional and includes a tetrode thyristor TT with or without the network R3, C2. Each coil 9 switches on its associated control transistor T2, T5, T8 and hence the further control transistor T3, T6, T9, which then holds on its predecessor T2, T5, T8 and switches off the transistor T9, T3, T6 already conducting via diodes D4, D5 D6, thus switching T4, T7, T10 in sequence. The control circuits for transistors T4, T7 and T10 are supplied from a stabilized voltage source including transistor T1 and Zener diode Z.
Patent GB-1410798-A (GB)
Title: Mortars
IPC: F41A23/24
Filed: 1972-12-07
Abstract: 1410798 Metal ring-springs FRANCE ARMED FORCES MINISTER OF 7 Dec 1972 [7 Dec 1971 6 Nov 1972] 56611/72 Heading F2S [Also in Division F3] A mortar has a damping device constituted by an annular spring assembly 11, Fig. 1, having internal rings a, Fig. 8, and external rings b, the rings a, b having conical faces that slide on one another. Deformation-limiting rings e of piano wire, which may be thinner near the middle of the spring, are positioned between the rings b and end rings c are provided. Guide rings g, Fig. 9, are placed at spaced intervals along the spring assembly 11, a projection h of each guide ring g being located between adjacent external rings b. The spring assembly is mounted on a barrel 1 between a recoil piston 12 and a return piston 13 and is received in a cradle 8 fixed to a member which supports the mortar. Instead of using limiting rings e of different thickness, force distribution in the spring assembly may be determined by giving the middle rings a smaller cross-section, e.g. narrower, or the angles of the spring friction surfaces can be modified.
Patent GB-1327130-A (GB)
Title: Textured yarns
IPC: D02G3/24
Filed: 1971-12-13
Abstract: 1327130 Spinning yarns HEBERLEIN & CO AG 13 Dec 1971 [11 Dec 1970] 57827/71 Headings D1F and D1W In the production of compound "non-stretch high-bulk" yarn, at least one synthetic, e.g. polyamide, polyester, polyolefin or vinyl-based multifilament, yarn is textured, e.g. by falsetwist crimping, and immediately thereafter, perhaps on the texturing machine, crimp is developed therein, e.g. by hot or cold relaxation for 5-50% of the fully extended length, to a predetermined and controlled extent. Two such yarns false-twisted in opposite directions during the texturing process may be simultaneously treated to this stage. The resultant yarn(s) is are assembled with at least one "non- stretch" yarn, e.g. untextured yarn(s) of cellulose acetate, cotton, rayon, silk, wool or synthetic material such as polyacrylonitrile staple or polyamide filaments, and wound. The wound yarn may be consolidated by plytwisting, e.g. 100-200 turns/metre, optionally with at least one additional yarn.
Patent GB-1409577-A (GB)
Title: Apparatus for cutting sewing and folding fabric webs
IPC: D05B31/00
Filed: 1972-12-14
Abstract: 1409577 Cutting and stitching fabric C ARBTEB 14 Dec 1972 [9 June 1972] 57855/72 Heading B8R In the production of cut, sewn and folded fabric sheets from two webs 4, the webs are cut into sheets at cutting stations 8 sewn along their cut edges by sewing machines 20 and 21 at two sewing stations and the cut and sewn sheets from both stations are directed on to a single supporting surface 41 for folding. The webs are drawn over tables 6 by conveyers 7 and looped into recesses 11, the forward end of the web being held by a clamp 18. Belt conveyers 16 and 17 grip the leading and trailing margins of the looped piece of web and a travelling cutter 15 severs the piece from the roll. The pieces, still in looped condition, are forwarded past sewing machines 20 and 21 where the lateral edges are hemmed. A reversible conveyer 29, 30 receives sewn pieces alternately from the two sewing stations and forwards them to a point where gripping means 31 on endless chain 39 pull the pieces on to a surface 41 for folding first by a folding plate 43 and two folding sliders 44 and then by two reciprocable folding blades 48 and 50.