baber/WOPTO huggingface dataset:
Patent GB-451558-A (GB)
Title: Improvements in or relating to desk or wall calendars
IPC: B42D5/04
Filed: 1935-11-23
Abstract: 451,558. Picture frames; pictures. WALSALL LITHOGRAPHIC CO., Ltd., and ASPINALL, J., Midland Road, Walsall. Nov. 23, 1935, No. 32497. [Class 11] [See also Group XIX] A calendar comprises a frame 3 of cardboard, leatherboard, papier mÔchÚ, or like material to which is adhesively affixed a thin plate 1 of metal, designs being embossed on the metal either before its attachment to the frame or afterwards. The calendar cards are carried in a pocket 2 and viewed through the aperture in the frame 3. In another form, the metal plate is secured to one part of a board, the embossing is performed and a calendar pad is then glued to another part of the board below the embossed part. The embossed part is tinted or coloured by a cellulose lacquer to produce a light and shade effect.
Patent GB-674261-A (GB)
Title: Improvements in and relating to magnetic cores
IPC: H01F38/10
Filed: 1949-12-19
Abstract: 674,261. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 19, 1949 [Dec. 31, 1948], No. 32498/49. Class 38 (ii). To reduce noise and heating due to fringing of the flux in a laminated magnetic core 34 of a transformer such as for supplying discharge lamps and which has a bridged gap at one end of the central winding leg 35 thereof, the end legs 39, 42 of the yokes 43 substantially enclose the ends of the leg 35. In the preferred embodiment shown, the gap is bridged by an integral projecting tip 46 of the leg 35, but in modifications, not shown, the bridging means may comprise two integral studs on either the winding leg or the yoke legs 42, or a single separate pin. The core, of the type disclosed in Specification 649,627 has yoke shunt legs 40, 41 between which and the end legs 39, 42 are disposed the primary and lagging and leading secondary windings 38, 36, 37 of a highreactance auto-transformer for two discharge lamps. The core is held together by spring clamps 11 and the gaps may be filled with a non-magnetic cement through grooves 48, 49 as disclosed in Specification 664,382.
Patent GB-891072-A (GB)
Title: Improvements relating to the cooling of electrical machinery
IPC: H02K9/06
Filed: 1958-02-12
Abstract: 891,072. Transverse-flow fans. LAING, N., ECK, B., and LUDIN, L. Feb. 12, 1958, No. 32590/61. Divided out of 886,376. Class 110 (1). [Also in Group XXXV] A transverse-flow fan for cooling an electrical machine comprises an impeller 207 located between the casing 202 of the machine and an outer casing 204. When the machine is rotating in the direction of the arrow 2, air is drawn in at 212 and flows between longitudinal guides 208 through the space between the inner and outer casings. After passing transversely through the impeller 207, the air flows between longitudinal guides 209 through the space between the inner and outer casings and is discharged at 213. A free vortex as described in Specification 876,611 is set up by a stationary guide member 215 and an adjacent concave surface 214. When the machine is reversed, the direction of air flow is also reversed, the air entering at 213 and discharging at 212 and the free vortex being formed by a guide member 215<SP>1</SP> and an adjacent concave surface 214<SP>1</SP>. As a compromise between the requirements of the two directions of rotation, the impeller blades 3<SP>1</SP> are straight and disposed radially. Specification 876,612 also is referred to.
Patent GB-942734-A (GB)
Title: Improvements in and relating to bed-settees
Inventor: COBB WILLIAM REGINALD
IPC: A47C17/165
Filed: 1962-08-24
Abstract: 942,734. Bed-settees. GREAVES & THOMAS Ltd., and W. R. COBB. Aug. 24, 1962, No. 32635/62. Heading A4J. A bed-settee comprises a fixed seat 19 and arm rests 14 and a dual purpose frame 11 interconnected with the arm rests by pivoted links 20 for movement between a backrest-supporting position and a bedsupporting position where it overlies the seat 19. The backrest upholstery 13 is contiguous to the seat upholstery 18 in the bed-supporting position of the frame 11. The frame 11 is supported by plates 25 pivoted at 24 to the links 20 which are pivoted at 21 to plates 22 on the arm rests 14. Guide blocks 31 are mounted in the arm rests and have guide surfaces 37 to engage rollers 29 in the frame 11. In the bed position of the frame 11 the rollers are engaged in locking recesses in the blocks 37.
Patent GB-1402133-A (GB)
Title: Composite structures and methods and apparatus for making same
IPC: B29C70/00
Filed: 1972-07-12
Abstract: 1402133 Winding cores KAEMPEN IN DUSTRIES Inc 12 July 1972 [12 July 1971] 32647/72 Heading B8G [Also in Divisions B5 F2 and D1] A corrugated composite structure of cylindrical form having a concave parabolic configuration at each corrugation is produced using an apparatus comprising a mandrel 16 mounted on a longitudinal axis thereof and having an annular cross-section throughout its length, at least one pair of annular support members spaced apart longitudinally on the periphery of the mandrel, each of the support members extending radially outwardly from the axis and terminating at a convex surface, the radial heights of the support members being sufficient to form a forming gap therebetween, means for holding a first ply 1 of continuous parallel filament strands under tension across the forming gap, means for applying a second ply 2 of continuous parallel filament strands transversely across the first ply to deflect the first ply into the forming gap, and means for impregnating the filament strands with an adhesive. The filament strands may contain sufficient weft 19 to hold them in close parallel relationship. Gripping means for holding the free ends of the first ply may comprise an annular strap 9 and/or hardened adhesive coating 6. The adhesive for impregnating filament strands 1 and 2 may be applied thereto prior to or after their application to the mandrel. The cylindrical composite structure may be used in the production of tubes or chemical storage tanks which may comprise more than two plies of filament strands and may include plies of woven fabric. In alternative arrangements a two-part mandrel comprising a corrugationforming part attached to a part of tapered or uniform cross-section may be used. The filament strands may be of glass, metal, carbon, cellulose, nylon or Teflon (Registered Trade Mark) and the adhesive may be a phenolic, polyester, epoxy, polyurethane, polyethylene, nylon, polypropylene or rubber.
Patent GB-483218-A (GB)
Title: Improvements in labelling machines
IPC: B65C3/16
Filed: 1937-11-26
Abstract: 483,218. Labelling-machines. TRIGGS, W. W. (Str÷msfors Bruk) Nov. 26, 1937, No. 32648. [Class 73] A labelling-machine of the kind in which the articles are rolled in contact with a fixed label pile, gumming means for the labels are provided which consists of pivoted, perforated arms through which gum is forced from a vessel under pressure, the supply to the arms, and the operation of the arms, being controlled by the passage of the articles ; the endless bands effecting the rolling of the article may consist of pneumatic tubes. As shown in plan in Fig. 1, the articles are moved along a platform in contact with a wall 2 by means of endless bands 3, an escapement being provided which consists of a long pivoted arm 32 having an extension 31 connected by a link 35 to an arm 33. The pile holder has its open end curved as shown to prevent the labels being pushed out bodily by the weight-actuated follower 23, a suction pipe 28, placed near the leading edge of the labels, assisting in this object. The labels are gummed by pivoted, cranked arms 15, Fig. 3, which are provided with passages 16 supplied with gum, through a valve 9, from a pressure container 11, the valve being operated by the operation of a member 8 by the article to be labelled; the arm is operated by a similar member 19 engaging an arm 20 actuating an extension 22.
Patent GB-620780-A (GB)
Title: Improvements in and relating to hypodermic syringe needles
IPC: A61M5/32
Filed: 1946-11-04
Abstract: 620,780. Hypodermic needles. MENTHEN, W. Nov. 4. 1946. No. 32670. Convention date, Nov. 5, 1945. [Class 81 (ii)] In a hypodermic needle having a bevelled mouth to provide a sharp point d, the edge of the mouth opening in the region c remote from the point is rounded to merge smoothly the inner and outer surfaces of the needle.
Patent GB-307441-A (GB)
Title: Improvements in or relating to ignition systems for use in internal combustion engines
IPC: F02P1/00
Filed: 1927-12-05
Abstract: 307,441. Wright, G. M., and Smith, S. B. Dec. 5, 1927. Couplings. - The ignition system of an internal - combustion engine is screened by a metal braid 1<c> covering the lead 1<a> and surrounded by a weatherproof insulating' covering 1<d>, the braid 1<c> being connected to metal screens 3 surrounding the sparking plug 2 and the magnets &c. The lead enters the screen 3 through a gland in the top or side thereof, the braid 1<c> being clamped by the gland ring 7 when the nut 6 is screwed up. When in the top the gland housing may be made separate from the screen 3 and connected thereto by a union nut.
Patent GB-957452-A (GB)
Title: Dynamic balancing apparatus
IPC: G01M1/22
Filed: 1961-09-13
Abstract: 957,452. Bearings. CARL SCHENCK MASCHINENFABRIK G.m.b.H. Sept. 13, 1961 [Sept. 13, 1960], No. 32890/61. Heading F2A. [Also in Division G1] A bearing 31 for a rotary balancing machine is mounted on inclined springs 33, 34, 37, 38 to permit horizontal and vertical movement Specification 895,338 is referred to.
Patent GB-271358-A (GB)
Title: Improvements in refrigerating machines
IPC: F25B15/02
Filed: 1926-12-30
Abstract: 271,358. Schier, H. Dec. 30, 1926. Refrigerating, absorption machines for.-The circulating-pump of a continuous-cycle machine is driven by an hydraulic motor supplied with the cooling-water of the machine. Where the pressure of the cooling-water used in the motor is insufficient to overcome the internal pressure of the machine, loaded valves may be provided between the condenser and evaporator and the generator and absorber respectively to reduce the internal pressure.
Patent GB-808827-A (GB)
Title: Improvements in or relating to motion transmitting mechanisms
IPC: B24B53/08
Filed: 1957-10-22
Abstract: 808,827. Trueing grinding wheels. ENGINEERING DIAMONDS Ltd., and ALLEN, R. Oct. 22, 1957. No. 32938/57. Class 60. Relates to a mechanism for use in the profiling of grinding wheels and in cutting or other operations in which the movement of a cutting tool or point 14 mounted on an intermediate point of a pivoted beam 11 or moved in coordination with such intermediate point is controlled by a follower 15 moving over a form plate 16. According to the invention, the arcuate movement of the beam is utilized to provide a compensatory movement of the form plate such that the cutting tool or point describes a path which is an exact scale reproduction of the shape of the form plate. The beam is mounted on a universal pivot 12 and has an extension 26 formed with a partspherical end which engages the plane face of a plunger 29 slidably-mounted in a housing 31, the extension, pivot, tool and follower being disposed in a straight line on the beam. The opposite end of the plunger engages the cylindrical end 34 of a lever 32 which is pivoted at 33 and has a cylindrical end 35 engaging a plate 36 carried on a rod or rods 37 connected to the form plate 16. The rods are slidable in bearings 38 and contact between the plate, lever, plunger and extension of the beam is maintained by a spring 19. Movement of the follower about the form plate, with corresponding movement of the beam, axially displaces the plunger 29 which, by means of the lever 32 and rods 37, moves the form plate so that the same point on the follower contacts the form plate in all positions of its movement.
Patent GB-370465-A (GB)
Title: Improvements in power transmission
IPC: F16D37/00
Filed: 1930-11-03
Abstract: 370,465. Friction clutches. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.- (Pulvis Akt.-Ges. ; Glarus, Switzerland.) Nov. 3, 1930, No. 33041. [Class 80 (ii).] A clutch comprises a revoluble casing partly filled with a finely-divided solid material, and a member having driving blades or wings rotatably mounted in the casing, which blades or wings are provided with openings allowing on rotation the passage of the finely-divided material, the dimensions of the parts and the amount of the finely divided material being so proportioned, by means of a mathematical formula set out in the Specification, as to give a predetermined characteristic or curve of variation of the torque on starting. The driving member comprises a hub 10 secured to the driving shaft and provided with two or more radial blades 11, which are attached to the hub by pairs of arms 12 and extend almost to the inner surface of a drum 15 constituting the driven member, spaces 13, 16 being left for the passage, during the starting period of transmission, of the powdered or granular material forming a drift in front of the blades. Packing is provided at 17, and a filling hole is provided in the periphery of the drum and closed by a screw plug 18. Specifications 307,872, and 341,096 [both in Class 80 (ii), Gearing, Variable-speed &c.], are referred to.
Patent GB-330436-A (GB)
Abstract: 330,436. Forges de Strasbourg. Oct. 13, 1928, [Convention data]. Slab walls.-Walls for dwellings are formed of panels bolted together and consisting of angleiron or like frames a containing heat-insulating plates b, such as wood fibres in concrete, and covered outside with corrugated or other sheets d, which may be metallic and are secured by bolts e placed between the frames a. Plaster packing c ensures an air-circulation space within the outer face, and the interior is faced with plaster h. Floor joists l are carried bv a channel or other beam k bolted to the panels.
Patent GB-504208-A (GB)
Title: A new pack of playing cards
IPC: A63F1/02
Filed: 1937-11-30
Abstract: 504,208. Playing- cards. COCCIOLO, A. Nov. 30, 1937, No. 33130. [Class 132 (ii)] A pack of playing-cards comprises sixty-five cards made up of five suits of thirteen cards each, four suits being distinguished by the conventional hearts, clubs, spades and diamonds, and the fifth suit by a new symbol, for example, a shield, and the ace of each suit is countermarked with a symbol or symbols representing one or more other suits.
Patent GB-1320602-A (GB)
Title: Spectrally sensitized light-sensitive silver halide photographic  material
IPC: G03G5/06
Filed: 1971-07-15
Abstract: 1320602 Preparation of substituted oxadiazoles AGFA-GEVAERT AG 15 July 1971 [18 July 1970] 33301/71 Heading C2C [Also in Division C4 and G2] 3,5 - Dimethyl - 1,2,4 - oxadiazole is prepared by slowly heating acetamide oxime hydrochloride with aoetamide to 115‹ C., subsequently cooling and adding ether and distilling the ethered solution.
Patent GB-838665-A (GB)
Title: Improvements in or relating to chairs
Inventor: DUFTON RONALD
IPC: A47C7/44
Filed: 1957-10-24
Abstract: 838,665. Seats. DARE-INGLIS PRODUCTS Ltd. Aug. 13. 1958 [Oct. 24, 1957], No. 33304/57. Class 52(2) A chair with a vertically adjustable back rest 3 has secured to the seat portion 1 an upstanding U-shaped tubular stem 2 which is embraced by a slide 4 slidable thereon and secured to the back rest 3, the opposite walls of slide 4 carrying rotatably a horizontal rod 6 on which are mounted a pair of cams 7, 8 rotatable in or out of contact with stem 2. The cams are connected by a lever 9 and a spring 11 encircling the rod 6 urges the cams into the locking position. A cover plate, not shown, is secured to a bracket 13. Stops to limit the upward or downward movement of the bracket may be provided.
Patent GB-914529-A (GB)
Title: Improvements in and relating to fastening devices
IPC: F16B37/04
Filed: 1960-09-28
Abstract: 914,529. Anchor-nuts. UNITED-CARR FASTENER CORPORATION. Sept. 28, 1960 [Oct. 9, 1959], No. 33370/60. Class 89 (1). An internally-threaded hollow member 12 of resilient metal, e.g. for receiving a stud, has a flange 16 from which are bent prongs 14, the outer edges 18 of which are parallel, as in Fig. 1, to the axis of the member before it is hammered into a hole 26, e.g. in a wooden panel, but after the insertion, Fig. 4, are inclined outwardly because the end edges 20 of the prongs are initially inclined to the axis and are therefore forced outwardly by the movement into the wood. The prong parts 22 nearer the flange 16 are narrow so that barbs 21 are formed at their upper ends.
Patent GB-305326-A (GB)
Title: Improvements in mining machines
IPC: E21C29/10
Filed: 1927-12-09
Abstract: 305,326. Marks, E. C. R., (Goodman Manufacturing Co.). Dec. 9, 1927. Coal-cutting machines.-A mining- machine has feed-driving mechanism arranged forwardly of the motor casing and within the vertical limits of the latter, the mechanism including a variable speed device, and a pair of feed drums on transverse axes with means for selectively engaging either drum with the feed-driving mechanism. Each drum also has means such as a friction drum permitting it to be used as a retarding device. As shown, the motor shaft, through gearing 28, drives a longitudinal shaft 27 which, through a clutch 36 controlled by a handle 94, drives bevel gearing 32, 40 and a sprocket which actuates the cutter chain; the shaft 27 also drives a transverse hollow shaft 52, Fig. 5, through worm gearing 50, 51. The shaft 52 is adapted to drive a co-axial shaft 53 either directly and at high speed, through clutch teeth 58 and a clutch sleeve 61, or indirectly and at variable speeds through a planetary transmission device 55 controlled by a band brake 95 and provided with clutch teeth 59 for engagement by the clutch sleeve 61; the latter is connected by a pin 64 to an axial rod 63 connected by a pin 66 and sleeve 65 to a control handle 71. The band brake 95 is controlled from the rear of the machine through rods 96, 98. The shaft 53 drives a shaft 76 through gearing 74, 74<a>, 75 and a slidable sleeve 80 within the gear 75; feed drums 86, 100, are loosely mounted on the shaft 76, the drum 86 being driven by sliding the sleeve 80 to engage fingers 82 thereon with the drum, while the drum 100 is driven through a sliding clutch sleeve 104. The forks 90, 106 controlling the sleeves 80, 104, are connected by a rod 111 whereby only one drum may be driven at any time, the forks being operated from the rear of the machine through a bell crank and a crank shaft 113. Each drum has a band brake 115 whereby it may be used as a retarding means, the band brakes being independently controlled from the rear of the machine through rods 116, pivoted levers 118 and threaded handles 121. The rear end of the cutter chain operates in a recess 130, Fig. 6, and co-operates with the walls of the recess to guide the cuttings to a discharge opening 132 on the retreating side of the machine.
Patent GB-957038-A (GB)
Title: Improvements in or relating to vacuum bag moulding
Inventor: HOLLAND RODGER JOHN
IPC: B29C33/62
Filed: 1959-10-02
Abstract: 957,038. Vacuum-bag moulding. M. H. GODDEN (CHELTENHAM) Ltd. Oct. 3, 1960 [Oct. 2, 1959], No. 33424/69. Heading B5A. In a vacuum-bag moulding process a roughened mould surface is used, the roughness of the surface being sufficient to enable air to escape from between the article being moulded and the mould surface as the bag is exhausted. The process is used in the production of rubber anti-icing shoes for aircraft propeller blades and control surfaces, and when the shoe is bonded to the supporting member by means of a vacuum bag, the rough surface of the shoe enables air to escape, eliminating air pockets. The mould surface is preferably roughened by grit blasting and may be coated with a permanent release agent such as polytetrafluorethylene.
Patent GB-902643-A (GB)
Title: Improvements in or relating to electric detonators
Inventor: YUILL ALEXANDER MCLELLAN
IPC: F42B3/12
Filed: 1959-10-02
Abstract: 902,643. Electric detonator and matchhead compositions therefor. IMPERIAL CHEMICAL INDUSTRIES Ltd. Sept. 23, 1960 [Oct. 2, 1959], No. 33450/59. Classes 9 (1) and 9 (2). Relates to an electric detonator having no primary initiating explosive and containing an electric fuzehead of high or low tension characteristics with a gas-producing matchhead composition pellet 5 in which at least one of the high-tension polepieces 10 or the resistance bridgewire 14 is embedded. According to the invention, the pellet 5 is housed in a stout metal walled tube 6 adjacent the end of the tube which is nearer the mouth of the detonator casing 1, and confined by a polystyrene or like plug 7 so that there is no outlet for the combustion gases permitting them to bear on the neoprene seal 12. A column 3 of composition preponderantly pentaerythritol tetranitrate is uniformly and incrementally compressed against the pellet 5 at a pressure of not less than 1500 kg. cm<SP>-2</SP> while a base charge 2 of a secondary initiating explosive is compressed into the detonator casing 1 at a pressure of not more than 300 sq. cm<SP>-2</SP> such that a space remains between the P.E.T.N. and the base charge. The matchhead composition for high tension use as in Fig. 3 is rendered conducting by the inclusion of graphite, e.g. 10% graphite and 90% potassium chlorate, while for low tension use, the pellet, in Fig. 4, is non-conducting and is of compressed P.E.T.N. powder, or of 87% potassium chlorate and 13% charcoal: the bridgewire in the latter stage may be a Ni/Cr/Fe alloy.
Patent GB-1446809-A (GB)
Title: Tasselled fringes
IPC: D04D7/08
Filed: 1974-07-30
Abstract: 1446809 Finishing fabric fringes DALLE & CIE SA 30 July 1974 33537/74 Heading D1S A device for finishing a tasselled fringe 9 by cutting a thread 35 interconnecting the heads of the tassels 24 and forming a ligature for each tassel, in order to separate the ligatures, comprises a drum 1 having a plurality of pin-like protrusions 38 on the drum periphery for engagement with the tassels 24 and a cutting tool 33 movable into cutting engagement with the thread 35 in between each tassel 24. As shown, the fringe 9, fed from a loom or a storage device, is drawn over a freely rotatable drum 1 by rollers 7, 8, the arc of contact A with the drum being determined by freely rotatable deflection rollers 11, 12. Plates 19 on a frame 20 guide the fringe 9 onto the drum 1. A sensor 21 includes a finger 22 pivoted at 23 and bearing against the drum 1 so as to be lifted by each tassel to actuate the control rod 25 of a microswitch 26 to connect an electric current source 29 to the winding of an electromagnet 30. The cutting tool 33, heated by an electric resistor 34, is rigidly attached to the armature core 31 of the electromagnet 30 and is moved thereby, against the action of a spring 32, to cut the thread 35 connecting two adjacent tassels 24. A time delay switch 36 may delay slightly the descent of the tool 33 after the lifting of the finger 22. Preferably, the thread 35 is elastic and consists at least partially of thermoplastic material, e.g. polyamide, so that the tool 33 seals the cut ends thereof. The tassels are held on the drum 1 by a sheet 38 of carding material forming the pin-like protrusions. The bases of the tassels 24 are connected by a thread 37 which is subsequently removed, e.g. by brushing.