baber/WOPTO huggingface dataset:
Patent GB-1283093-A (GB)
Title: Electrical contacts formed with environmental seals
Inventor: PAGE IAN BRUCE
IPC: H01R13/432
Filed: 1969-06-13
Abstract: 1283093 Two part couplings AMP Inc 19 May 1970 [13 June 1969] 30045/69 Heading H2E An electrical contact, 2, crimped to a wire, 4, has an injection moulded resiliently flexible annular collar 5 extending radially from the contact such that when the contact is inserted in a contact-receiving assembly 7 the collar engages the walls 6 sealingly. Withdrawal of the contact from the assembly 7 is prevented by cooperation between lance 8 and shoulder 9. The collar may taper towards its periphery or may be bulbous. A plurality of contacts may have a common collar (Fig. 3, not shown).
Patent GB-916498-A (GB)
Title: Improvements relating to the production of semi-conducting materials
Inventor: ANTELL GEORGE RICHARD
IPC: C01B25/06
Filed: 1958-09-19
Abstract: Crystalline indium or gallium arsenide or phosphide is formed by heating in a pressurized reaction zone the constituents of the compound required together with bromine, chlorine or iodine present as such or as a thermally decomposable compound and maintaining a temperature gradient along the reaction zone such that the desired arsenide or phosphide condenses in the cooler portion from the vapour phase to a crystalline solid.  According to one embodiment, a lower halide of indium or gallium is fed to a heated reaction zone with arsenic or phosphorous vapour whereby at the cooler end indium arsenide is deposited and indium trihalide formed.  An inert carrier gas may be employed.  Temperatures as low as 750 DEG C. may be employed.  Alternatively an ingot of the desired phosphide or arsenide is heated with a halide of indium or gallium or elemental halogen.  Thus indium triiodide reacts at the hotter end of the reaction zone with indium arsenide ingot to form indium lower iodide and arsenic which at the cooler end of the reaction zone react to reform crystals of indium arsenide and indium triiodide, the latter returning by connection and diffusion to the indium arsenide ingot to decompose and repeat the process. A temperature gradient of 875 DEG to 825 DEG C. is suitable.  If the ingot is gallium arsenide and iodine is the "carrier", a gradient of 1070 DEG  to 1030 DEG C. is suitable.  As a further alternative an indium or gallium ingot is placed at the hotter end and a halide of phosphorus or arsenic passed through the reaction zone thereby in the hot zone decomposing to form a lower halide of indium or gallium and elemented arsenic or phosphorus which, on passing to the cooler end react to form indium or gallium trihalide and deposit indium or gallium arsenide or phosphide.
Patent GB-748126-A (GB)
Title: Improvements in or relating to dry shavers
IPC: B26B19/32
Filed: 1952-11-27
Abstract: 748,126. Dry shavers. COMPTOIR FRANCE-ETRANGER. Nov. 27, 1952 [Nov. 27, 1951 ; March 19, 1952], No. 30106/52. Class 131. The casing of a dry shaver comprises a body part, fitting into the palm of the hand and housing a coil spring motor, a neck portion, and a smaller curved part carrying a laterally projecting cutting head consisting of a fixed grid and a rotatable cutter, gearing, extending in the neck, connecting the motor to a driving spindle for the cutter and the smaller part of the casing housing a speed regulator for the spindle. As shown, a cutting head holder 3 is screwed into one end of the two-part casing 1, 2, in which the ends of the spindles of the mechanism are directly mounted, the other end of the casing receiving a box 5 rotatable about a winding shaft 4 and housing a spring 6. The ends of the spring are secured to catches on the wall of the box and on the shaft 4 and a ratchet and pawl device 9, 10 prevents unwinding. A toothed wheel 11, integral with the box 5, forms part of a gear chain 12, 14, 15, 17, 18 to drive the shaft 19 of a cutter. A speed regulating wheel 20 is secured to the shaft 19 and has pivoted inertia blocks 23 with felts 24 which rub on the holder against the action of compression springs 25. Cutting blades 32, mounted on a disc 31 strengthened by a plate 42<SP>1</SP>, are inclined in the direction of rotation and the cutting edges form an angle of 30 degrees with the slots 39 in the grid 38 which are substantially radial and in groups of three, a smaller aperture being provided between each group. The disc 31 is cardan mounted to allow correct centreing of the cutting member and is urged by a spring 29. The 33 slits are preferably made by an etching process giving a funnel-shaped cross-section and may extend over the peripheral edge of the grid. A protective cap 41 is provided. The bearings are lubricated by providing an oil-impregnated pad in the recess formed for the bearing. In a modification of the cardan mounting the disc carrying the cutting blades is mounted on a rectangular-section part which can pivot on a transverse axis with respect to a socket screwed on the shaft 19.
Patent GB-1153989-A (GB)
Title: Battery Charger
Inventor: OTA HAJIME
IPC: H01M10/46
Filed: 1966-07-05
Abstract: 1,153,989. Battery charging apparatus. FEDTRO Inc. 5 July, 1966, No. 30192/66. Heading H2H. Battery charging apparatus for dry cells comprises L-shaped slidable contacts 40, 42, 44, 46 co-operating with each other or fixed contacts 70, 72 to receive from one to four cells, there being also fixed contacts 78<SP>1</SP>, 801 for charging a cell of the type having both its terminals at one end, e.g. a transistor battery. With no cells present, springs 78, 80 cause engagement of contacts 40, 42, 70 and 44, 46, 72, and a contact 82 connects the contacts 78<SP>1</SP>, 80<SP>1</SP> so that a circuit is formed between input terminals 86, 88 which includes the above mentioned members, fixed contacts 74, 76, a rectifier 96 and a lamp 98. Terminals 86, 88 are connected to an A.C. supply or to appropriate poles of a D.C. supply. Insertion of a cell between a selected pair of the contacts 40 . . . 46, 70, 72 breaks the short circuit between the selected pair, e.g. at points 40C . . . 46C, to include the cell in the charging circuit. Engagement of a cell with the contacts 78<SP>1</SP>, 80<SP>1</SP> opens the contact 82, Fig. 5 (not shown), to produce a similar effect. The apparatus includes a housing having a batteryreceiving compartment containing the contacts and springs and a rectifying compartment containing the rectifier 96 and indicating lamps 98, 108, Figs. 2, 3 and 4 (not shown). Lamp 108 and switch 110 form a circuit to test the charge of a cell placed between the contacts 40, 42, the switch 110 being normally opened by an extension of the lid of the housing when the lid is closed during a battery charging operation, Fig. 6 (not shown).
Patent GB-302939-A (GB)
Abstract: 302,939. I. G. Farbenindustrie Akt.- Ges. Dec. 23, 1927, [Convention date]. Addition to 283,163 and 296,423. Organic bases.-In the production of organic bases by the catalytic treatment of mixtures of acetylene with ammonia or organic bases, as described in the parent Specification and in Specification 296,423, the mixture leaving the catalytic chamber is washed with the condensation products formed in the reaction. Either the crude condensation product or selected fractions of it may be used, and the washing is preferably effected below 0‹ C. The washing may be effected in two stages, first with the fractions boiling above 100' C. to recover the bases, and then -with the fractions boiling below 120‹ C. to recover acetylene and ammonia from the waste gas, which is mainly hydrogen. The ammonia and acetylene may be recovered separately by washing first with water to remove the ammonia, and then with the fraction of the condensation to dissolve the acetylene. 'The acetylene and ammonia, are boiled off and used again. In an example a packed column is employed with a cooling jacket at its upper end and the washing liquid is supplied to the column at 10‹ C.. the boiling point of the washing-liquid being 120- 300‹ C. After boiling off dissolved acetylene and ammonia., the washing liquid is in part withdrawn as a. crude product and in part returned to the column as washing liquid. The gases leaving the column are treated in a second column having a cooling jacket with a fraction of the condensate boiling at 60-120‹ C. to dissolve the acetylene and ammonia, leaving hydrogen of 85-90 per cent purity.
Patent GB-409352-A (GB)
Title: Improvements in or relating to automatic switches for use in telephone or like systems
IPC: H04Q3/00
Filed: 1932-10-28
Abstract: 409,352. Automatic exchange systems. AUTOMATIC ELECTRIC CO., Ltd., Strowger Works, Liverpool. Oct. 28, 1932, No. 30316. Convention date, Jan. 8. [Class 40 (iv).] A two-directional group selector giving access to groups of irregular size has two sets of wipers engaging with different, e.g. adjacent, levels of the same bank, the particular group of two groups in the same level over which hunting is to occur being determined by the set of wipers engaging the level. In the arrangement shown, the extra set of wipers 24-26 is spaced one level above the normal set 21-23 and one rotary step in rear. The first group of sixteen outgoing lines, corresponding to the digit 1, is connected to the ten contacts of the first level and the first six of the second level, the second group of seven lines to the last four contacts of the second level and the first three of the third level, and so on. The test bank 31 comprises pairs of lower and upper contacts engaged respectively by the normal and extra test wipers, the third wires of the lines of the first group in a level being connected to upper contacts so that hunting only occurs when the level is engaged by the extra set of wipers whilst the third wires of the lines of the second group on a level are connected to lower test contacts so that hunting only occurs when the level is engaged by the normal set of wipers. When both sets of wipers engage lines of the same group, simultaneous hunting occurs under the control of the normal switching relay 8 connected to test wiper 21 and the wiper-switching relay 9 connected to test wiper 24. If both sets of wipers find idle lines simultaneously, relays 8 and 9 energize together and connect up the extra set. If the normal set is first to find an idle line relay 8 alone operates, whilst if the extra set is first, relay 9 operates and connects relay 8 to wiper 24 to enable it also to operate. In the selector shown, the release relay 6 connects itself in series with the change-over relay 7 which is at first short-circuited, but operates during impulsing to short-circuit relay 6. By variation of resistances 16, 15, the release periods of relays 6, 7 can be adjusted as desired. The extra set of wipers may be mounted below the normal set, thus enabling the first level of the selector to be used in systems in which the digit 1 is not assigned.
Patent GB-1278456-A (GB)
Title: Circular knitting machine with photoelectric sensing of patterns
IPC: D04B15/78
Filed: 1969-06-16
Abstract: 1278456 Knitting-machines C TERROT SOHNE MASCHINENFABRIK 16 June 1969 [28 June 1968] 30341/69 Heading D1C A circular machine comprises photo-electric reading means for reading a multi-coloured pattern member, means for storing the information read, and a read-out for the information. The pattern member is removable so that it may be transferred to another machine. One may be helical, or may be repeated circumferentially and longitudinally, in which case uninterrupted operation is ensured by two alternately operative photocells.
Patent GB-601557-A (GB)
Title: Improvements in or relating to structural elements
IPC: E04C3/04
Filed: 1945-11-13
Abstract: 601,557. Structural elements. AKTIESELSKABET NORDISK STAALKONSTRUKTION & STAALLAMELSELSKAB. Nov. 13, 1945, No. 30372. Convention date, March 7, 1942. [Class 20(ii)] A structural ele. ment has three .flanges, with parallel surfaces, intersecting at the same point and with the flanges 1, 2 forming a right angle and the thirc flange 5 substantially bisecting the obtuse angle subtended by the flanges 1, 2 and of such a width that the Moment of Inertia about the axis I, along which the flange 5 lies, is approximately equal to the Moment of Inertia about the axis II at right angles to I and passing through the centre of area A of the section. The element may be built up by various means or rolled in one piece. The flanges 1, 2 may be of unequal length, the flange 5 in that case being disposed at a slight angle to the bisector of the angle between the flanges 1, 2 in order to satisfy the conditions of approximately equal moments of inertia about the axes I, II.
Patent GB-602776-A (GB)
Title: Improvements in grinding apparatus
IPC: B24B3/42
Filed: 1945-11-15
Abstract: 602,776. Grinding-apparatus. ELECTRO PRECISION GAUGE CO., Ltd., WILD, W., and MARSHALL, J. Nov. 15, 1945, Nos. 30536/45 and 11756/46. [Class 60] A grinding-apparatus incorporates a supporting structure, a grinding-wheel supported by said structure, a carrying means for the work which also is supported by the said structure and which supports the work so that it is always at right angles to the plane of the grinding-wheel with the axis of the work contained within a horizontal plane which is coincident with or substantially coincident with the horizontal plane containing the axis of the grinding-wheel, means for moving the grinding-wheel towards and away from the work and a guide means which is adjustable relatively to the grinding-wheel and which is adjustable also towards and away from the work and which is located in or substantially in the plane of the grinding-wheel and adjacent to the grinding edge and on which the underside of the work being ground is caused to bear throughout a traverse and so ensure that the edge being dealt with shall be presented accurately to the grinding-wheel always. Between coaxial centres 14a, 14b rotatable and longitudinally movable in a frame 13 is mounted , the rotary bladed part of a lawn mower. A grinding-wheel 20 is carried by a bracket 18 pivotally mounted on a bar 17a in the main frame-work, the grinding-wheel being adjusted to and from the work bv a threaded rod 24 and held in its adjusted position by links 22 attached to the grinding-wheel casing 21. An electric motor 28 driving the grinding-wheel through a belt 29 is suspended on struts 27 pivotally mounted on the bar 17a. A spatulately headed finger 32, Fig. 6, adjustable vertically in an arm 31 angularly adjustable on the bracket 18, engages the underside of a blade 16b being ground to keep the said blade in contact with the grinding-wheel 20. In a modification, the work is mounted between two end plates sliding on rails on the main frame.
Patent GB-537544-A (GB)
Title: Variable speed transmission
IPC: F16D41/12
Filed: 1939-11-22
Abstract: 537,544. Variable-speed gearing. EWART, W. E. Nov. 22, 1939, No. 30590. [Class 80 (ii)] Relates to variable-speed gearing of the kind in which a planetary driving-gear is controlled through clutchmechanism from a variable eccentric. The driving and driven shafts 26, 27, Fig. 1, are in alignment, and the driven shaft carries a pinion 28 gearing with a planet-wheel 34, which is journalled on a plate 30 fixed on the driving- shaft. Within the gear 34 and co-axial with it are mounted two ratchet-wheels 36, 37, Fig. 12, each having a crankpin 38, 39. Either of the ratchet-wheels can be locked to the gear 34 by a doublepawl 62 operated by a sliding cam-member 60. The crankpins 38, 39 pass through arcuate slots in the plate 30, and into a groove 41, Fig. 17, in a disc 42, which can rotate on a boss formed on a plate 44 slidable transversely of the driven shaft. The plate 44 can be adjusted by means of a slotted cam-plate 25 and a hand-lever 24 so as to impart a variable degree of eccentricity to the disc 42. The disc is connected by a spider 46 to the plate 30, so as to be rotated thereby. When the disc 42 is concentric with the driving and driven shafts, the ratchet-wheels 36, 37 are not rotated, and the gear 34 turns solid with the plate 30. When the disc 42 occupies an eccentric position, the groove 41 in the disc, by acting on the crank-pins 38, 39, rotates the ratchet-wheels to an extent depending on the degree of eccentricity. The ratchetwheels, being alternately connected to the gear 34, rotate the gear during successive halfrevolutions. The gear is rotated forwards or backwards according as the plate 44 carrying the disc 42 is raised or lowered. The alternate connection of the ratchet-wheels to the gear 34 is effected by a wobble-plate 66, to which is pivoted the cam-member 60 that operates the locking pawl 62. The wobble-plate is in the form of a ring rotatable on a pivoted plate 69. When the plate 69 is in an inclined position, the ring 66 shifts the cam-member 60 to and fro during each revolution. The plate 69 is moved from the vertical to the inclined position by a slotted cam-plate 76, which is adjusted by the action of a slot 80 in the cam-plate 25.
Patent GB-324124-A (GB)
Title: A method of measuring linear dimensions by means of prisms
IPC: G01B11/00
Filed: 1928-10-23
Abstract: 324,124. Douglas, R. Oct. 23. 1928. Linear-dimension gauges.-The linear dimensions of an object are determined by the use of a prism having a very obtuse angle at its apex associated with a scale forming part of the base of the instrument. The prism is arranged to be moved between the object and an eyepiece. A base 4 provided at one end with an eyepiece 5 carries the slidable prism holder 13 in which is mounted the prism 2 of either of the forms shown in Figs. 1 and 2, and is fitted at the other end with an object-holder 7. The holder 13 may be rotatable about an horizontal axis and fitted with both forms of prisms so that either may be used for the determination required. The object to be measured is placed in the holder 7 and centred by the clamp 8. The prism is then moved along the base until the edges of the images of the object in the eyepiece coincide when the dimension of the object can be read off on the base 4. In a modification an image of the object is projected by a source of light behind the object through the prism on to a screen and the prism similarly adjusted until the edges coincide and no shadow appears on the screen. The eyepiece, the centre of the object and the apex of the prism are arranged so that they are all located in the same plane.
Patent GB-1459090-A (GB)
Title: Metal amine complexer a coating composition and a printing ink vehicle
IPC: C09D7/12
Filed: 1973-12-03
Abstract: 1459090 Aqueous coating compositions with complexed carboxyl groups UNION CAMP CORP 3 Dec 1973 [4 Dec 1972] 30660/76 Divided out of 1459089 Headings C3P and C3R [Also in Division C2] An aqueous coating composition comprises a partially neutralized acidic resin and a metal amine complexer, the complexer comprising a metal having a co-ordination value in excess of its valency (e.g. Zn, Zr, Co or Ni) or a compound thereof, from 0À9 to 6À0 moles per mole of metal of a polyalkylene polyamine of formula where a is 2 or 3, n is 2-5 and R = H or methyl, and from 0 to 1 mole, per mole of metal, of a carboxylic acid. The complexer may also include a co-metal which is an alkali or alkaline earth metal. The metal compound may be, e.g. zinc oxide or zinc octoate. In examples, the resins used were an alkyd resin modified by tall oil fatty acids and rosin fumarate, a partial ester of a rosin-maleic adduct or a mixture of the latter with a styrene-maleic copolymer or an acrylic copolymer. Inks were made comprising the coating composition, a pigment (e.g. barium lithol, phthalo blue, benzidine yellow, Reichold's yellow, carbon black or TiO 2 ) and possibly isopropanol (co-solvent) or polyethylene glycol.
Patent GB-281276-A (GB)
Title: Improvements in and relating to devices for washing drinkingglasses
IPC: A47L15/00
Filed: 1927-11-15
Abstract: 281,276. Schmidt, K. Nov. 29, 1926, [Convention date]. Bottles, jars, and the like, washing.-In a machine of the type in which the pressing into position of a drinking-glass turns on a supply of washing water which drives rotary brushes, for external and internal cleaning of the glass, by means of a water wheel, the rotation of the wheel is transmitted to the brushes through a countershaft and the washing water is directed into and over the glass. As shown, a feed pipe 2 and an injection pipe 3 are arranged above a valve casing 1 housing a spiral spring 7 and a conical valve 8 adapted to close a port 27. At the front of the casing is rotatably mounted a hollow shaft 9 carrying a loosely-mounted water-wheel 11 and a pinion 10 which is fast on the shaft and is operatively connected, through gearing on a countershaft 13, with a pinion 12 on the wheel 11. A hollow stem 20 supporting the bristles of a brush and a presser member 18 with a reduced end for engaging the valve 8 are adapted to slide on the shaft 9. A glass being cleaned is passed over the bristles carried by the stem 20, and between brushes 17 carried by an apertured disc 14 mounted on the shaft 9. The washing water after impinging on the blades 22 of the waterwheel is guided, by means of a funnel 21 and a hood 28 with a baffle plate 24, to the inside and outside of the glass 25.
Patent GB-433587-A (GB)
Title: A process or method for the application of reinforcing or stiffening layers on peltsor furs by means of adhesives
IPC: A41H41/00
Filed: 1934-10-26
Abstract: 433,587. Furs. KLEINE, J. A., 10, Lammenschansweg, Leiden, Holland. Oct. 26, 1934, No. 30715. [A Specification was laid open to inspection under Sect. 91 of the Acts, April 29, 1935.] [Class 76] Reinforcing linings for furs are secured by adhesive rubber dispersions applied by spraying in the form of small droplets. Reference has been directed by the Comptroller to Specification 362,095.
Patent GB-520504-A (GB)
Title: Improvements in fuel gases
IPC: C10J1/00
Filed: 1938-10-24
Abstract: 520,504. Gaseous mixtures. HAILWOOD, A. J, and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 24, 1938, No. 30753. [Class 55 (ii)] To detect leakage of fuel gases such as water gas, blast furnace gas, producer gas, and coal gas, oenanthal vapour is added, either by spraying direct, or in solution into the fuel gas, or by bubbling some of the gas through the oenanthal, or by a wick which hangs in the path of the gas. The gas may be impregnated with oenanthal at regular intervals so that waves of gas highly concentrated with oenanthal vapour may travel along the mains.
Patent GB-911795-A (GB)
Title: Ferrite core for high-frequency coils
IPC: C04B35/26
Filed: 1959-09-09
Abstract: 911,795. Magnetic compositions. SIEMENS & HALSKE A.G. Sept. 9, 1959 [Sept. 10, 1958], No. 30799/59. Class 38 (2). A method of manufacturing a ferrite core for R.F. inductances comprises sintering the following proportions of metal oxides: 50.5-55 mol. per cent Fe 2 O 3 , 0-35 mol. per cent Zno, 0.1- 1.5 mol. per cent CoO and remainder up to 100 mol. per cent NiO, regrinding the product, adding 0.05-1% by weight of V 2 O 5  and sintering again. The first sintering is at approximately 1100‹ C. for 2 hours and the second at between 800‹ C. and 1100‹ C. for 3 hours in air. The resulting cores have low losses and a lowtemperature coefficient of permeability.