baber/WOPTO huggingface dataset:
Patent GB-1531897-A (GB)
Title: Monolithic electroluminescent semiconductor devices
IPC: H01L33/30
Filed: 1976-09-15
Abstract: 1531897 LED assemblies PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 15 Sept 1976 [18 Sept 1975] 38201/76 Heading H1K At least two light-emitting diodes emitting light of different wavelengths are located in a common semi-conductor body of uniform basic chemical constitution, the respective junctions of the different diodes being located in body zones of differing doping level. In the embodiment a two-part epitaxial layer 2 of N-type GaP is provided on a substrate 1, which may be of a variety of different materials including P, N<SP>+</SP> or semi-insulating GaP. The layer 2 is uniformly doped with Te and also contains N of two different doping levels in sub-layers 2A, 2B respectively. This may be achieved by varying the concentration of NH 3  in the deposition mixture. The N level may be constant or varying in each of the sub-layers 2A, 2B and, dependent upon whether the emitted radiation is to emerge through the upper or laser device surface, the N level in the upper sub-layer 2B may be less than or greater than that in the lower sub-layer 2A. The LED junctions 8, 10 of the diodes D 1 , D 2  are established, e.g. by Zn diffusion, in the sub-layers 2A, 2B, respectively, and the differing N-level at the junctions results in different wavelengths of emitted light. Isolation walls 3, 4, 5 are preferably provided between the diodes, e.g. by proton-bombardment-enhanced diffusion of Zn. Electrodes 11, 13 of Au-Be (on P-type material) and 12, 14 of Au-Si (on N-type material) complete the assembly. Alternatively if the substrate 1 is of N<SP>+</SP> type material the electrodes 12, 14 may be replaced by a common electrode on the rear face 1A.
Patent GB-1065049-A (GB)
Title: Anti-glare vehicle rear view mirror
IPC: B60R1/08
Filed: 1965-09-08
Abstract: 1,065,049. Vehicle mirrors and anti-dazzle devices. P. C. CAMERON. Sept. 8, 1965 [May 3, 1965], No. 38386/65. Heading B7J. A vehicle rear view anti-dazzle mirror comprises parts 10, 12 and 14 spaced apart or secured together in a laminated structure. The part 10 is a front partially reflective mirror which reflects about 60% of the light striking it, the part 14 is a fully reflective mirror, and the part 12 is circularly polarized and made by bonding a sheet of doubly refracting material to a linear polarized sheet to divide the polarized beam into two beams of equal intensity but of different velocity, thus for example a right-handed beam produced by the part 12 when reflected by 14 becomes a left-handed beam which cannot return through the circular polarizer 12 to dazzle the driver.
Patent GB-1478648-A (GB)
Title: Multi-purpose releasable connector
IPC: F16B9/02
Filed: 1974-09-04
Abstract: 1478648 Releasable fastenings T M GOSSAGE 4 Sept 1974 38680/74 Heading E2B A releasable connector, which may be used for pivotally mounting the vertical mast 11 of a gin-pole derrick, comprises a pair of upstanding supports 13, 14 traversed by a threaded bolt 15 which is rendered captive, to prevent loss, by fixed heads 16, 17, and having a sliding sleeve 20 which may be locked by nut 19 in the position shown to secure the mast at enlarged slot 25, or released to allow the mast to clear the bolt at slotsides 27. The nut 19 may be replaced by a cotter pin.
Patent GB-1427331-A (GB)
Title: Compost bins
IPC: C05F17/02
Filed: 1972-08-18
Abstract: 1427331 Composting bins C A WILSON 19 July 1973 [18 Aug 1972] 38744/72 Heading C1B [Also in Division B8] A compost bin is constructed from a series of panels 2 which are linearly relatively displaceable to give selective access through the wall of the silo, the panels being interconnected as by means of dumb-bells 13 engaging undercut recesses in the panels or by direct sliding interengagement, see Figs. 2, 5 and 9 (not shown) The panels may be provided with vent holes or made of wire net. The base of a panel may be provided with feet to locate same on a lower panel which is provided with sockets to receive said feet, see Figs. 5 and 6 (not shown). The panels may be made of polyvinylchloride or polyethylene and provided with a cover for details of which and other minor details, the Specification, and remaining drawings, (not shown), should be referred to.
Patent GB-976349-A (GB)
Title: A method of treating keratinic fibres to improve their resistance to felting
IPC: D06M13/364
Filed: 1961-10-30
Abstract: Keratinic fibres, e.g. wool, are treated with an acid solution of an alkali metal salt of N-dichloroisocyanuric acid to improve their resistance to felting.  The concentration of N-dichloroisocyanuric acid salt in the solution is preferably such that the active chlorine content of the solution is 1-3% by weight of the fibres being treated and the ratio by weight of fibres being treated to the treating solution is preferably 1:30. The solution may be acidified by the addition of an inorganic acid or organic, e.g. formic acid.  The treated fibres may subsequently be dechlorinated by treatment with a solution containing a bisulphite.  Specification 976,350 is referred to.
Patent GB-1389795-A (GB)
Title: Process for the manufacture of 1,1-methylene-bis-3-hydroxyalkyl- hydantoins
IPC: C07D233/72
Filed: 1973-08-16
Abstract: 1389795 1,1<SP>1</SP> - Methylene - bis - [3 - (hydroxyalkyl)-hydantoins] CIBA-GEIGY AG 16 Aug 1973 [25 Aug 1972] 38830/73 Heading C2C 1,1<SP>1</SP> - Methylene - bis - [3 - (2<SP>1</SP>- hydroxyalkyl)-hydantoin] compounds of formula wherein R each denote H, methyl, ethyl or phenyl and R<SP>1</SP> denotes H or together with R denotes the tetramethylene radical, are prepared by the reaction of ethylene oxide, propylene oxide, butylene oxide, cyclohexene oxide, and/or styrene oxide with 1,1<SP>1</SP>-methylene-bis- (5,5-dimethylhydantoin) in the presence of water or 1 to 60% strength aqueous dioxane, and in the presence of a neutral or alkaline catalyst such as tertiary amines, quaternary ammonium bases, quaternary ammonium salts, alkali metal hydroxides, or alkali or alkaline earth metal halides.
Patent GB-1125805-A (GB)
Title: Improved catalyst for the oxidation of hydrocarbons
IPC: B01J27/186
Filed: 1965-09-13
Abstract: 1,125,805. Catalytic oxidation of olefines. SOC. NATIONALE DES PETROLES D'AQUITAINE. 13 Sept., 1965 [15 Sept., 1964], No. 38910/65. Heading C2C. [Also in Division B1] Unsaturated aldehydes e.g. acrolein are produced by passing a gaseous mixture of olefin, e.g. propylene and air, over a supported catalyst comprising 1 mole P 2 O 5  to 2 to 50 moles TeO 3  and 10 to 40 moles of MoO 3  and/or V 2 O 5  and/or WO 3  with MoO 3  and/or V 2 O 5  and/or WO 3  to TeO 3  being 0À8 to 6. The process may take place at 300 to 500 C. and in addition may be used to produce methacrolein from isobutylene.
Patent GB-862704-A (GB)
Title: Improvements in or relating to blasting caps
Inventor: JR JOHN PAUL IRELAND
Filed: 1959-11-17
Abstract: 862,704. Blasting fuzes. DU PONT DE NEMOURS & CO., E. I. Nov. 17, 1959, No. 39022/59. Classes 9(1) and 9(2). Relates to an electric blasting cap having a metal shell 1 which contains a base load 2, a priming charge 3, a plastic capsule 4 containing a powdered lead styphnate ignition composition 5, a rubber plug 8, through which lead wires 7, 7<SP>1</SP> to a bridge wire 9 are passed, and is characterized by a layer 6 of free-flowing compressible powder, which is less sensitive to imitation by electrostatic discharge than powdered lead styphnate. The layer 6 may be electrically conductive and comprise powdered copper, iron, aluminium, of graphite, or made of explosive such as lead nitrate-bis-basic lead-4, 6-dinitro-o-cresylate, or dibasic lead phosphite. The layer may also be formed of a combustible such as smokeless powder, bismuth, selenium, tellurium, or magnesium mixed with barium peroxide, or be inert, in which case powdered barium peroxide, cement, and oxides of aluminium, zinc, copper, lead, iron are satisfactory.
Patent GB-349064-A (GB)
Title: Improvements in and relating to containers, packing cases and the like
IPC: B21D51/34
Filed: 1929-12-20
Abstract: 349,064. Seaming. GEORGE, D., 3, Eden Avenue, Sketty Road, Swansea, and SHELL MARKETING CO., Ltd., St. Helens Court, Gt. St. Helens, London. Dec. 20, 1929, No. 39071. [Class 83 (iv).] Seamed joints.-The formed lid b, Fig. 1, is seamed into the body of a rectangular &c. metal or papier mÔchÚ packing case a with rounded corners by the inward side pressure of two pairs of dies 28, 32, Fig. 5, the slant sides 29 of one pair 28 having grooves to receive beadings 35 in the slant sides 34 of the other pair so that when the dies 28 are screwed in by the hand-spindle 24, Fig. 2, they also draw in the other pair of dies 32 towards container to form the seam on all four sides of the container as it is held on the former 43. Pins 40 or springs withdraw the dies 32 when the end dies 28 are withdrawn by the screw. The hand- or foot-operated form of device, Fig. 2, is mounted on a movable vertical spindle which first lowers the spring-urged former 43 into the top of the case lid until the roll-forming grooves 31 in the dies are opposite the parts to be bent over when they are screwed in by hand as above to form the roll seam as in Fig. 1a. The dies are then screwed back and lifted up to the second notch position but leaving the' former pressed by its springs in the lid, until the flattening surface 30 of the dies come opposite the roller seam. The dies are then screwed in to flatten the seam as in Fig. 1b. The corners may be nicked previously (required for papier machÚ containers) to facilitate the seaming. The seam may be improved by a rubber base &c. composition or be subsequently soldered. The vertical seam of the body may be electrically welded. The joint, as in Figs. 8 to 8c, is formed by the device in Fig. 9, in which the former 47 is located by pedal in the hollow of the lid and the part a3 is bent to the horizontal, side dies 55 then bend the flange b<7> to position in Fig. 8a, a die frame is pressed down by cam pressing on the plate 52 to bend the whole flange joint to position in Fig. 8b until side dies 55 again move in to complete the joint as in Fig. 8c. Fig. 10 shows a foot-operated press for effecting the closure, the can body and lid being placed on a table 106 adjustable for varying heights of containers and raised by cam 104 to position in the dies, which are timed to move inwards twice as before by toggle links 65, Fig. 12, operated by a reciprocated head 57. The spacing of the toggle links is adjustable for varying sizes of case and the toggles have a certain amount of adjustable lost motion. The containers are fed to the machine and removed therefrom by roller conveyers. The closing dies may also be shaped to effect a closure on round, oval, or hexagonal containers. The container may be of papier mÔchÚ with vertical metal strips the ends of which are incorporated in the top and bottom seams. Two containers may be used, one being inserted mouth downwards into the other. Specifications 239,000, 258,304, 280,625, and 295,642, [all in Class 94 (i), Packing &c.], are referred to.
Patent GB-1531209-A (GB)
Title: Sensing probe
IPC: G01B5/012
Filed: 1977-09-20
Abstract: 1531209 Measuring probes BENDIX CORP 20 Sept 1977 [1 Oct 1976] 39129/77 Heading G1M [ Also in Division H1] A contact-sensing probe 10, e.g. for a co-ordinate measuring machine, comprises a stylus 30 extending from a housing 21 and resiliently mounted therein to be capable of limited axial and tilting movement, and sensing means to deliver an output signal in response to any displacement of the stylus from a rest position, the stylus 30 comprising a shank 31 with a tip member 33b to respond to radial forces and to axial forces towards the probe, and a transverse end portion 32 with a tip member 33a to respond to axial forces away from the probe. The members 33a, 33b may be balls of carbide steel. The stylus is mounted on a plate 42 which is urged by a spring 44 against a ring 41 which in turn is urged by a spring 43 against a shoulder 27 in housing 20. Ring 41 carries a printed circuit 51  defining a current path between terminals 5 1a, 51b, and having gaps 52a. Steel balls 57a, b, c secured to the plate 42 and steel balls 56a, b, c secured to the shoulder 27 bridge the gaps when the stylus is in its rest position. When the stylus is tilted or displaced axially in either direction at least one ball is lifted clear of its gap, causing a large increase in the resistance of the current path, which increase is sensed by a suitable circuit to provide an output signal, e.g. to trigger a read-out to store the instantaneous co-ordinate positions of the probe.
Patent GB-828226-A (GB)
Title: Improvements in and relating to pressure regulating apparatus
Inventor: FITT PETER WILLIAM
IPC: A62B9/02
Filed: 1956-12-27
Abstract: 828,226. Submarine apparatus. NORMALAIR Ltd. Nov. 8, 1957 [Dec. 27, 1956], No. 39295/56. Class 68(2) [Also in Group VI] In apparatus for maintaining the pressure in a submerged chamber equal to that of the surrounding water the supply of air to the chamber 43, through tube 40, is controlled by a diaphragm actuated valve 37, the remote side of the diaphragm 29 being maintained at the pressure in the vicinity of the chamber 43 by a tube 33. The air supply 35a is connected to the tube 33 through a choke 36 and thus. increases the pressure on the right-hand side of the diaphragm 29 until non-return valve 35 opens to prevent further rise. Similarly, if the chamber 43 is raised the excess pressure escapes through valve 35 to maintain the pressure on the diaphragm at the necessary value. At all times the pressure within the chamber 43 is maintained equal to this value since, if it tends to become too low, displacement of the diaphragm opens valve 37 to admit more air from the supply while, if it is too high, the excess pressure escapes through a non-return valve 24.
Patent GB-832919-A (GB)
Title: Improvements in staircases
IPC: E04F11/025
Filed: 1956-12-27
Abstract: 832,919. Staircases. DOBERMANN, W. Dec. 27, 1956 [Dec. 27, 1955], No. 39332/56. Class 20(4) In a staircase, wholly or partly winding, consisting of prefabricated, separate parts and including stringers 10, 11 which have bearing surfaces corresponding to the steps, the stringers are rectilinear in plan, the treads 18 and risers 15 abut against one another along inclined surfaces 17, 16, so that the angle of inclination of the staircase is adjustable throughout the staircase. The surfaces 16, 17 are all at the same angle to the plane passing through the front edge of the corresponding step at right angles to the tread, and in those steps which lie in the winding part of the staircase, and are trapezoidal in plan, the distances between the -individual bearing surfaces of the steps on the stringers are lengthened at the outer stringer and shortened at the inner stringer in correspondence with the greater or smaller length of those sides of the trapezium that extend along the stringers. As shown, an outer stringer 10 is provided with bearing surfaces 12a...12h and an inner stringer 11 has bearing surfaces 27a...27h, the surfaces being equidistant from each other on a straight flight of stairs, and each step, comprising an integral tread 18 and riser 15, has an under surface 14 resting on the pairs of surfaces 12a, 27a...12h, 27h. At the front edge of each tread is a downward projection on which is formed an inclined surface 17 corresponding to an inclined surface 16 on each riser 15. On a winding part of the staircase, the treads 20...23 are trapezoidal in shape and in order to produce a decrease or increase in slope by longitudinal displacement of the steps the distances between the bearing surfaces 12e...12h and 27e...27h. are increased. In modifications (a) supporting members prefabricated or made in situ are substituted for the stringers, (b) several parallel stringers are provided instead of two lateral stringers, and (c) an inclined supporting wall extending over the entire width of the staircase, or the central part thereof, is provided.
Patent GB-1356602-A (GB)
Title: Xerographic plate transporting mechanism
IPC: G03G15/00
Filed: 1971-08-24
Abstract: 1356602 Transporting plates XEROX CORP 24 Aug 1971 [31 Aug 1970] 39617/71 Heading B8A A mechanism for transporting xerographic plates comprises an endless chain passing round two terminal sprockets, a pin mounted on one link of the chain co-operating with a slot in a shuttle plate so that the plate performs a reciprocating motion while the chain moves in one direction, and means on the shuttle plate to engage and support an article during transfer from one terminal to the other. In the figures, pin 62 (see Fig. 3) on chain 48 moves along slot 60 of vertical shuttle plate 34 as the pin engages the sprocket, so that shuttle plate 34, supported on the side frames of unit 10 (see Fig. 1), slides backwards and forwards while the chain moves continuously in the same direction. Two shuttle plates are provided, one each side of a xerographic plate 84, in order to transfer the plate horizontally from storage box 19 to magazine 30. Each shuttle plate engages and supports the xerographic plate by means of two pawls 70, 70<SP>1</SP>, which engage in recesses 80 in the side rails of plate 84 and disengage when the plate 84 reaches the magazine 30.
Patent GB-929303-A (GB)
Title: Improvements in or relating to implements for the lateral displacement of material lying on the ground
IPC: A01D78/00
Filed: 1959-11-23
Abstract: 929,303. Haymaking machines. C. VAN DER LELY N.V. Nov. 23, 1959 [Dec. 3, 1958], No. 39663/59. Class 6(3). A rake-wheel type haymaking machine having at least a two-point connection with a towing vehicle is characterised in that one connecting point is displaceable relatively to the machine about a substantially horizontal pivot so as to occupy various alternative positions in the direction of travel. As shown, the vehicle is a tractor 13 having upper and lower hitch links 12 and 10, 11. The links 11, 12 are connected conventionally to the arched front end, Fig. 2, of the haymaking machine 1 by loose-fitting pivot-pins 24, 28. The nearside lower link 10 is connected to a pivot-pin 14 on the end of a lever 15 pivoted on a shaft 16 journalled on the arched part of the frame 1. The lever 15 has a slender resilient upward extension 18 terminating in a handle 19 accessible to the tractor driver. The extension co-operates with an arcuate detent 21 having notches 22. Movement of the lever 15, 18 angles the frame by moving the nearside connection longitudinally. For swath-turning, the rearpart of the main frame with two-rake-wheels 5, 6 can be moved into a parallel position (shown dotted in Fig. 1).
Patent GB-1236857-A (GB)
Title: Dispensing box
IPC: B65D83/04
Filed: 1969-08-07
Abstract: 1,236,857. Dispensing boxes. SOC. PARISIENNE D'EXPANSION CHIMIQUE S.P.E.C.IA. 7 Aug., 1969 [23 April, 1969], No. 39672/69. Addition to 1,075,697. Heading B8P. A dispensing box for pills comprises a slidable dispensing member 8 disposed between a partition 7 and a side wall of the box and provided with a first recess 10 for a pill and a second recess 12 for an absorbent or antiseptic substance. A pill c passes through a gap 10A in the partition into the first recess 10 and the dispensing member is pushed through an aperture 6 in a side wall by a button 9 slidable in a slot 5 in a side wall. The second recess is covered by a permeable cover 17 and when the dispensing member is pushed outwardly air from the box passes through an opening 11 in the partition, and through a slot 14 and notch 15 in the dispensing member. In a modification, the opening 11 and slot 14 may be dispensed with, the partition being of a lower height than the box and the adjacent side of the dispensing member notched, or also of a lower height. The box may be triangular, circular, or part-circular, may be of a plastics material, and may be produced by injection moulding.
Patent GB-1416597-A (GB)
Title: Water-insoluble monozao dyestuffs and dyeing process
IPC: C09B43/42
Filed: 1973-08-22
Abstract: 1416597 2 - (s - Butyl - amino) - 4 - acetamide-phenetole CASSELLA FARBWERKE MAINKUR AG 22 Aug 1973 [23 Aug 1972] 39727/73 Heading C2C [Also in Division C4] The title compound is prepared by reductive alkylation of 2-amino-4-acetamido-phenetole using methyl ethyl ketone and hydrogen at 80 atmospheres pressure, at a temperature of about 120‹ C. and in the presence of Raney-nickel catalyst. Reference has been directed by the Comptroller to Specifications 1,281,735 and 1,125,683.
Patent GB-1190229-A (GB)
Title: Heating Arrangement, Particularly for the Hands of the Driver of a Moped
Inventor: TESSIER JEAN GERARD LOUIS
IPC: B62J33/00
Filed: 1967-08-30
Abstract: 1,190,229. Warming cycle riders; handle-bar muffs. J. G. L. TESSIER. 30 Aug., 1967 [30 Aug., 1966], No. 39732/67. Headings B7E and B7J. Gauntlets surrounding the handle-bar grips of a moped are supplied with heated air through flexible pipes from a two part casing fitted on to the fins of an engine cylinder. The casing is fed with air from a scoop or from an engine driven blower. The gauntlets are supported by elastic bands engaging handle-bar control levers.
Patent GB-853764-A (GB)
Title: Improvements in or relating to automatic button-feeding means for shank button sewing machines
IPC: D05B3/22
Filed: 1958-12-11
Abstract: 853,764. Sewing machines. SPEED FEED MACHINE CORPORATION. Dec.11, 1958 [Feb. 24, 1958], No. 39979/58. Class 112 [Also in Group XXX] In a shank-button sewing machine buttons pass from a container to a shoot which locates the lowermost button in the sewing position where it is retained by holding means adapted to be released on raising of the presser foot, whereby, on withdrawal of the lowermost button after sewing, the buttons in the shoot move downwards by gravity to locate the next button in the sewing position. A work support 22 is carried by one end of a slide 24 the other end of which carries a vertical rod 26. A block 42, adjustably attached to the latter, frictionally engages the inner surface of a part-tubular member 28 which is attached at its upper end to a rock shaft 30. An arm 32, also attached to shaft 30, carries a roller 34 engaged in a cam groove 36 formed in a wheel 38. Rotation of the latter thereby imparts to slide 24 reciprocating movements the amplitude of which is determined by the position of block 42. Arms 54 and 56 carried by a block 50 fixed to slide 24 are biased downwardly by a spring 55 to engage a presser foot 62, carried by arm 56, with the work support 22. A lug 59 carried by a vertical rod 57 engages an inverted L-shaped member 60 carried by arm 56, whereby the presser foot 62 is raised when rod 57 is lifted by a lever 58. A shoot 68, connected at its upper end with a button container 70 and at its lower end with the presser foot 62, is formed with a channel 72 for guiding the heads 164 of the buttons, and also with a slot 98 for guiding the button shanks 102. Container 70 is inclined towards the shoot and is attached by a rubber block 116 to a bar 115 telescopically and adjustably mounted within a fixed tube 114, whereby machine vibration transmitted to the container causes the buttons therein to move into the shoot via button-shaped openings 108. The lower end of the shoot terminates in a pair of resilient fingers 84 which form a continuation of the slot 98 and which are biased towards the presser foot 62 by a leaf spring 86 fixed to the shoot. The lowermost button is thus clamped against the presser foot, its head is located by a spring stop 96 carried by the presser foot, and its shank is located by a finger 90 projecting from the spring 86. When the presser foot is raised after the sewing operation, the upper curved end of a plate 92 carried by spring 86 is engaged by a cam surface 124 on a fixed plate 120. Spring 86 is thereby forced away from the fingers 84, and, when the lowermost button is removed with the work, the next button slides down the shoot till its head engages the stop 96, to be clamped against the presser foot when the latter is lowered.