baber/WOPTO huggingface dataset:
Patent GB-485099-A (GB)
Title: Improvements in or relating to punching and forming machines
IPC: B21K1/14
Filed: 1936-11-13
Abstract: 485,099. Forging - machines ; dies. CORNELL, jun., E. S. Nov. 13, 1936, No. 31032. Convention date, Jan. 22. [Class 83 (iv)] In metal punching and shaping machines particularly for cold working of copper or similar metal a die carrier is resiliently mounted in guideways on the base. Spring pressed wedges maintain die members in position in the carrier during operation. As shown, a die holder comprises a bolster 10 secured by bolts to a front slide and to a rear bracket 13. The bracket and slide are connected by tubular spacing members 14, through which pass bolts 15, and which provide vertical slide faces 17, between which is mounted the die holder. The latter comprises bridge members 18, 19 bolted at 20, spacing wedges 21, inner wedges 56 with coil springs 57, and die members 61, 62. Coil springs 36 are mounted on top of the die carrier, and extend into recesses in a punch housing adjustably supporting the upper punch 29. The lower punch 25, which is also adjustable, is stationary and fixed to the punch table. Secured to the bolster 10 are studs 41, adjustably fixed to one end of springs 46, the other ends engaging collars 47 attached to studs 48 formed integral with cylindrical members 49. Wedge releasing rods 52 are secured to the members 49, and have enlarged portions 53 sliding in the bridge member 19.
Patent GB-1137337-A (GB)
Title: Improvements in or relating to apparatus for controlling the distribution of hydraulic liquid
IPC: F15B13/06
Filed: 1967-07-05
Abstract: 1,137,337. Valves. GEWERKSCHAFT EISENHUTTE WESTFALIA. 5 July, 1967 [5 July, 1966; 17 Sept., 1966], No. 31053/67. Heading F2V. A distributer for hydraulic liquid supply to and exhaust from a mine-roof support system has a block 1 with a plurality of passageways (11), Fig. 3, (not shown), each connected to a prop or advancing jack of the system and an exhaust passage 14. A unit 2 rotatable on the flat surface 1<SP>1</SP> of the block is surrounded by a casing 3 and has a two-section angled passageway 4 connected at one end by a spring-loaded valve 8 to a pressure supply passage 5 and connected at the other to the block face 1<SP>1</SP> by a spring-loaded sleeve 6 in sliding sealing contact with the face 1<SP>1</SP>. The unit is also provided with bores 18 each of which opens via a port 20 to an annular chamber surrounding the unit and in communication with the passage 14. The bore 18 is either closed with a plug or is provided with a one-way valve in a spring- loaded sleeve in sealing sliding contact with face 1<SP>1</SP>. Sleeve 6 and bore 18 can be positioned over passageways (11) by lateral movement of handle 10, vertical movement of which moves rod 9 downwards to close off connection of passageway 4 to exhaust through bores 9<SP>1</SP>, 9<SP>11</SP>, 25, 18 and 20 by moving bores 911 opposite seal 22<SP>1</SP> and simultaneously opens valve 8 to allow fluid pressure to flow to the passageway (11) to which sleeve 6 is connected. In another embodiment the unit 2 is rotated by a rack and pinion, the rack of which is actuated by pneumatic pistons at each of its ends. The pinion is mounted on a depending hollow stem of the unit which stem is provided with lateral bores for connection to a pressure inlet passage that can supply a bank of similarly actuated and constructed distributers.
Patent GB-407773-A (GB)
Title: Improvements relating to the retting of flax straw
IPC: D01B5/00
Filed: 1932-11-04
Abstract: <PICT:0407773/IV/1> Flax straw is retted by placing it vertically in one or more tanks filled with water and having a false bottom, floor or grating, the water in the tank being rapidly circulated by a centrifugal pump or the like, which draws water from the top or bottom of each tank, and returns it to the bottom or top.  The flax straw D is packed vertically on the false bottom a<1> of the tank A<1>, A<2>, and held down by a grid a<2>.  The tank is filled with water at 30 DEG  C. and the water circulated by pump B up through the tank A<2>, over the sluice a, and down through tank A<1>.  After about four hours, the water is run off and replaced by fresh water at 30 DEG  C., and the circulation continued until retting is complete. Alternatively, a single tank may be used, the circulation being completed by a pipe connecting the top and the bottom of the tank; or several tanks separated by sluices may be employed, the water being drawn from the bottom of one or more tanks and thence flowing to the other tanks through sluices by gravitation.
Patent GB-604013-A (GB)
Title: Improvements in and relating to aircraft
IPC: B64C1/00
Filed: 1945-11-20
Abstract: 604,013. Armouring aircraft. JOSSEN, E. Nov. 20, 1945, No. 31255. Convention date, July 12. [Class 92 (i)] The engine 6 of an aircraft is located behind the cockpit 4 through which the propeller shaft 7 extends, the cockpit being protected by a steel shield 10 which surrounds it and is rotated by the engine, the front of the shield being connected to the propeller hub, and sight apertures 12, 13 provided in the portion which surrounds the cockpit.
Patent GB-360168-A (GB)
Title: Improvements in and relating to bearings or joints
IPC: F16C33/72
Filed: 1930-10-18
Abstract: 360,168. Excluding foreign matter from bearings. HORDERN, H. M., War Office, London. Oct. 18, 1930, No. 31305. [Class 12 (i).]. Oscillating bearings are sealed by rubber or other resilient bushes the surfaces of which adhere to the relatively moving parts. Fig. 1 shows a ball race 1 sealed by two sleeves 5 compressed between so as to adhere to the walls 3, 4 of the race parts. The sleeves may be formed with radial or circular corrugations or made with inner and outer flanges to increase flexibility. The sleeves may be applied to plain or roller bearings and may be arranged to separate the main bearing surfaces when the load is removed. In Fig. 4, resilient washers 5 adhere to the flat end surfaces in a knuckle-joint. Two or more sleeves or washers may be used together with rigid separating pieces such as the discs 23, Fig. 4. When applied to the bearings of a semi-rotary pump the washers form a stuffing-box substitute. The invention is also applicable to knife-edge pivots and thrust bearings. The rubber may be caused to adhere by compression or vulcanization or the metal surfaces may be coated with copper or a copper alloy.
Patent GB-341517-A (GB)
Title: A new or improved tail trolley for aircraft
IPC: B64F1/22
Filed: 1929-10-16
Abstract: 341,517. Load-handling machines. BLACKBURN AEROPLANE & MOTOR CO., Ltd., BLACKBURN, N. W. G., and BANCROFT, T., Brough, near Hull. Oct. 16, 1929, No. 31428. [Class 78 (iii).] A power-driven trolley for manoeuvring aircraft comprises a frame 1 mounted on power-driven wheels 5, 6, carrying the power unit, and extended to form manoeuvring handles 7, 10, the frame being provided with means 12 for attachment to the tail of the aircraft, which means can be fixed in any one of a number of positions vertically with respect to the frame so that the tail of the aircraft can be raised and lowered as well as manoeuvred by the handles, the raising and lowering being effected by rocking the frame about the axis of the wheels 5, 6. In the construction shown the attachment plate 12 is formed of dovetail section and can be fixed in any one of a number of vertically-spaced grooves in the end of the frame 1. A slot 15 in the end of the plate 12 is adapted to engage a projection 16 on the aircraft. Endless tracks may be used instead of wheels.
Patent GB-958556-A (GB)
Title: Improvements in foam producing appliances
IPC: B03D1/24
Filed: 1962-08-16
Abstract: 958,556. Self-feeding brushes. A. S. BRITTON. Aug. 16, 1962 [Sept. 3, 1961], No. 31428/62. Heading A4K. [Also in Divisions A5, B1 and B7] An aerating appliance has a hollow bulbous body in two detachable parts 2, 3, the lower having a perforated plate 7 which may support a block 6 of solid material such as soap or detergent for dissolving in the water stream. An outlet nozzle 10 is a push fit on ribs 9, between which air is drawn to become entrained with and aerate the water, foam formation being assisted by perforated plates 11 and screens 12. If the nozzle 10 is removed a spray is produced by the plates 11; the lower half 3 of the body may be detached and a plain water shower produced by the shower plate 5. The appliance has a connector 4 for a faucet and a non-return valve 21 to ensure drainage of the body. The nozzle 10 may be replaced by an elongated douche nozzle. In another application for vehicle &c. washing the appliance may be mounted in combination with a spray head 19 on a tubular handle 13, either the appliance or the spray head being connected to the interior of the handle by means of the swivel connection 18. A detachable and adjustable brush 17 is also mounted on the handle; a sponge or squeegee may be fitted on the brush base 16 instead of the brush head.
Patent GB-337580-A (GB)
Title: Musical stringed instrument
IPC: G10D1/12
Filed: 1929-10-16
Abstract: 337,580. Soc. d'Etude et de Construction d'Instruments de Musique. June 22, 1929, [Convention date]. Keyboard stringed instruments; bows; bridges; sound-magnifying attachments; tuning-devices.- In a keyboard stringed instrument wherein the string or strings are stopped by levers actuated by keys an appropriate bow (or the like) according to the pitch of the note is selected from several provided and simultaneously brought into action. The vibrations of the string are transmitted electrically to a loudspeaker, and a glissando device is provided. A string a, Fig. 1, is secured to a lever b connected to a spring c, and is tuned by a screw c<1>. The string a rests on a forked bridge d, Fig. 2, on a microphone e, the resulting electric currents being amplified at f and led to a loudspeaker g. A rheostat h and variable condenser i control the intensity or tone. The strings are stopped by levers j, Fig. 3, connected to arms k<2> actuated by the keys l. A key l at the same time makes a contact at u<1> energizing a solenoid u, Fig. 4, which permits a roller r<1>, normally holding up the lower run of an endless bow m, to attack the string, a bow nearer to the bridge being selected from the three shown in Fig. 1 if the note is of higher pitch. The bows are driven by a motor n<1>; each bow is tensioned by a spring o<3>, and its pressure on the string is regulated by a screw p<3> acting on the supporting arm p. The hand-operated glissando device consists of a pair of jaws w, Fig. 5, which are caused to grip the string a by depression of a cone x, the device being then slid as required along a bar v parallel to the string.
Patent GB-756066-A (GB)
Title: Improvements in or relating to electric capacitors
IPC: H01G9/00
Filed: 1953-11-13
Abstract: 756,066. Capacitors. MOCHI,E. G. Nov. 13,1953 [Nov. 14, 1952], No. 31517/53. Class 37. A capacitor unit comprises an inner housing 7 containing a capacitive element 6 disposed in and spaced from an opentopped outer container 11 having an inwardly projecting shoulder at its upper end against which an insulating cover 12, with terminal wires 14 sealed through it and a circumferential groove accommodating gasket 13, is pressed by the inwardly bent edge of the housing. The inner housing may have a separate insulating cover 8 as shown in Fig. 1, or the cover 12 may be provided with an extension of reduced diameter which fits into the top of the inner housing. The terminal wires in this case have two sections of reduced diameter and are sealed into the cover during the pressure moulding thereof. The space between the casings may be filled with a heat-insulating dielectric solid such as glass wool which fixes the cases together, or mechanical fixing may be used with an oil filling.
Patent GB-1526640-A (GB)
Title: Slide projector unit
IPC: G03B23/06
Filed: 1977-07-27
Abstract: 1526640 Magazine slide projectors S BESANCENOT 27 July 1977 [28 July 1976] 31556/77 Heading G2J A cartridge for a magazine projector comprises a two-part case 1, 2 in the form of a box with a lid, in which a circular magazine 3 is mounted to revolve about a horizontal shaft 14. The magazine is driven by teeth 16 engaging a pinion 5 driven by the projector mechanism when the magazine is placed in the projector, not shown, to index the slides in conjunction with a click stop 7. Lid 2 carries a spring-loaded slider 18 which prevents a slide from falling out when the cartridge is removed, but is retracted when the cartridge is in place to allow the slide to be withdrawn by a slide mechanism through a slot 17. Slider 18 also has a pin 20 which engages a notch 21 in the hub of the magazine 21 to mark the initial position.
Patent GB-1441219-A (GB)
Title: Internally-meshing screw rotor machine
IPC: F04C2/107
Filed: 1974-07-17
Abstract: 1441219 Construction of inner and outer members of internally-meshing screw machines ATLAS COPCO AB 17 July 1974 [20 July 1973] 31630/74 Heading F1F The inner rotor construction in an internallymeshing screw machine of the type shown in copending Specifications 1441217 and 1441218 is produced by moving the centre of a circle of radius R, Fig. 4b, this being the profile of the rotor as taken in any transverse cross-section, around the circumference of a base cylinder 50 with a diameter equal to twice the distance between the rotor axes whilst moving said circle axially, the ratio of circumferential to axial movement determining the pitch of the rotor, this pitch being constant in a first low-pressure section 19, and being constant but lower in pitch than that in the section 19 in a further high-pressure section 20, and the circumference of the circle of radius R being such as to always encircle the axial projection of the cylindrical surface 51 which defines the outer surface of extensions of the stub shafts 22, 23 of the rotor 19, 20. The outer rotor 8, 9 has low and high-pressure sections each of constant pitch and each having a profile formed by two semi-circles 52, 53 of radius R which have their centres located diametrically opposite each other on a base cylinder 55 with a diameter equal to four times the distance between the rotor axes and are connected by flanks 54, Fig. 4a. The screw thread means on the inner surface of the rotor 8, 9 is generated by rotating the profile whilst moving it axially, the centres of the semicircles moving circumferentially and axially of the base cylinder 55 which has a radius 2a which is twice that of base cylinder 51.
Patent GB-1103637-A (GB)
Title: Improvements in or relating to rotary regenerative heat exchangers
IPC: F28D17/02
Filed: 1965-07-23
Abstract: 1,103,637. Thermal regenerators. H. BRANDT, and A. KRITZLER. 23 July, 1965 [30 July, 1964], No. 31651/65. Heading F4K. In a thermal regenerator of the rotary ductstationary matrix type, the ducts 21 (Fig. 1) and 27 are simultaneously rotated by a shaft 28 which interconnects hubs 41 on the ducts and which extends through a chamber 12 formed axially in the housing 11 of the matrix. The shaft rotates in bearings 43, 44 which are of the split type enabling the bearing to be removed when necessary without dismantling the shaft. The bearings are supported by the stationary structure of the regenerator, and may be located (as shown) within the chamber 12 or axially beyond said chamber (Fig. 3). For vertical shaft regenerators (as shown) the lower bearing is a combined journal or thrust bearing. Access to the chamber 12 is through an opening 59 reached through an access passage (not shown) through the regenerative material in the casing 11. The bearings are supported from the ends of the shell by elements 49, 51, 52. Oil may circulate through the bearings by way of pipes 53. Sealing plates 55 on the periphery of each rotary duct ride on support rollers 25, 32 mounted in the stationary structure, the plates 55 being joined to the ducts by resilient frame elements 56. The ducts and the shaft 28 are rotated by a motor-driven pinion which meshes with a ring gear around the lower duct (Fig. 1, not shown).
Patent GB-351866-A (GB)
Title: Improvements in or relating to automobile bodies
IPC: B60H1/26
Filed: 1930-10-22
Abstract: 351,866. Road vehicle bodies. REUTTER, W., 159, Am Krõherwald, Stuttgart, Germany. Oct. 22, 1930, No. 31663, [Class 108 (i).] In motor vehicles having closed bodies the roof is adapted to be raised to increase ventilation. As shown the roof a is carried and raised by means of lifting screws c and the space between the raised roof and the body b is bridged by some sieve-like material d which may be flexible or of rigid formation in which case it is secured to either the body or the roof and adapted to slide in a groove formed in the other part. The joint between the roof and body is preferably rabbeted as at f, Fig. 4. The roof may be raised bodily or at one end or side.
Patent GB-1260236-A (GB)
Title: Improvements in or relating to gaskets, particularly for internal combustion engines
IPC: F02F11/00
Filed: 1969-06-23
Abstract: 1,260,236. Joint-making packing. ENGINEERING COMPONENTS Ltd., and M. G. HERRINGTON. 19 June, 1970 [23 June, 1969], No. 31676/69. Heading F2B. A gasket comprises a flat body portion 1, e.g. of asbestos or rubber material, possibly coated with copper or steel, having an aperture for surrounding a passageway to be sealed, a primary sealing ring 6, 11 or 18 supported within the aperture; and secondary sealing means 2, 3 located on the faces of the body portion 1 adjacent the aperture. One of a pair of metal annuli forming the sealing means 2, 3 may be flanged over the other, Fig. 1, to form a bead 5 for supporting the ring 6, or the bead 5 may be omitted, Fig. 2 (not shown). Further, the annuli may be formed integrally, Fig. 3 (not shown), with the ring 6 supported at an inwardly projecting fold (7), and a core plate 8 may be provided within the body portion, Figs. 4-5 (not shown). A shim 12, Figs. 6 (not shown), and 7, of steel, compressible material &c. may be provided between the primary ring and the bead 5, or a series of secondary sealing rings, Fig. 7, may be provided. Finally, Fig. 8 (not shown), an additional ring (19) may be supported by the sealing ring 6 to increase its effective thickness.
Patent GB-1038078-A (GB)
Title: Heat exchangers
Inventor: BEESTON GEOFFREY ARTHUR
IPC: F28F9/26
Filed: 1963-08-12
Abstract: 1,038,078. Making heat exchangers; brazing. MARSTON EXCELSIOR Ltd. July 28, 1964 [Aug. 12, 1963], No. 31741/63. Headings B3A and B3R. [Also in Division F4] A method of making a heat exchanger, Fig. 2, comprises bending tubes 1 into a sinuous shape having at least three parallel straight portions and locating thereon a plurality of fins 4 having apertures 5, 6, Fig. 5. The fins and tubes are made from aluminium alloy, and the heatexchanger assembled by passing the slightly flattened bends 3 through dumb-bell shaped slots 6, the straight portions passing through circular holes 5. The assembly is supported between end plates 9 and 10 and brazing wire inserted in longitudinal channels formed by slots 7 and 8 in the fins and corresponding holes in the end plates 10. The assembly is then dipped in a molten salt bath where the wire melts and is drawn by capillary action into interstices between the tubes 1 and flange surrounding the apertures, thereby forming a rigid unit.
Patent GB-1079406-A (GB)
Title: Molecular sieve-metal agglomerates and their preparation
IPC: B01J20/18
Filed: 1964-08-05
Abstract: An agglomerate comprises zeolite molecular sieve crystals of less than 10m  size, and 5-30% of metal bodies of M.Pt. above 300 DEG  C. having at least one dimension less than 50m , the ratio of the metal body size to the crystal size being at least 5 to 1, and being uniformly dispersed throughout the agglomerate and sintered to the outer surface of the sieve crystals.  Optional ingredients are clay, alkali metal silicates and casting resin binders. Silicon is included as a metal, and a long list of suitable metals is given.
Patent GB-396589-A (GB)
Title: Improvements in sliding clasp fasteners
IPC: A44B19/32
Filed: 1932-11-10
Abstract: 396,589. Golf-jackets &c. ; boots and shoes. LEWIS, A., 16, Christopher Street, Finsbury Square, London. Nov. 10, 1932, No. 31801. [Classes 17 (ii) and 141.] To ensure watertight closure of articles to which sliding-clasp fasteners are applied, flexible edging strips 1 are secured to the back or inner faces of the stringers carrying the fastenermembers 2. The applications to golf-jackets and footwear are described. The edgings are caused to abut when the fastener is closed by operation of the usual slider, forming a subsidiary closure behind the fastening. The edges may be tubular as shown, or crinkled, and of rubber or fabric.
Patent GB-1324702-A (GB)
Title: Expansion joints for highways and the like
IPC: E01C11/12
Filed: 1970-07-01
Abstract: 1324702 Expansion joints for concrete slabs ACME HIGHWAY PRODUCTS CORP 1 July 1970 [1 July 1969] 31905/70 Heading E1B An expansion joint between concrete slabs 6, 8 comprises a pair of opposed structural members 12, 14 with a resilient seal 26 therebetween, the seal having flanges 100, 102 received in clamping members 116, 118 bolted to the members 12, 14. The seal is additionally supported by metal strips 32, 34 welded to the members 12, 14.
Patent GB-230922-A (GB)
Title: Improvements in and connected with refrigeration systems in which gases are liquified by compression and the liquid evaporated
IPC: F28D7/10
Filed: 1923-12-20
Abstract: 230,922. Brettell, W. G., and Adamson, A. J. Dec. 20, 1923. Refrigerating, compression machines for.-In a machine operating on the " multiple-effect " system, a part of the liquefied refrigerant after leaving the condenser 2 of the plant is evaporated in a concentric-tube heat interchanger 4, to cool the bulk of the liquefied refrigerant flowing through the interchanger to the usual expansion valve 12 in front of the evaporator 3. The heat-interchanger may comprise straight stretches of double tubes 16, 17, Fig. 2, connected in series by branches 20 and bends 21, or connected stretches of triple concentric tubes 16, 17, 17<x>, Fig. 4. The evaporation in the interchanger may take place either in the inner tube or in the annular space in the first form described, and in the intermediate space in the triple tube apparatus, the liquid to be cooled flowing first through the outer annular space and then through the innermost tube. The refrigerant for evaporation in the interchanger may be led off from the liquid before it has been cooled in the interchanger, through a pipe 10, or from the liquid after it has been cooled, through a pipe 13. A shut-off valve 15 may be provided to cut out the interchanger when not required. The refrigerant vapour from the interchanger passes through a pipe 22 to a trap or separator 24 wherein unevaporated refrigerant is collected for re-use. The vapour passes to the compressor 1 which may compress the low pressure vapour from the main evaporator 3 at one end and the vapour from the interchanger at the other end, or may take in the higher pressure vapour from the interchanger through middle ports uncovered by the piston after the cylinder has been filled with the low pressure vapour. Alternatively, separate compressors may be used. Specifications 3383/82 and 151,258, [Class 64 (iii), Surface apparatus &c.], are referred to. According to the Provisional Specification, a coiled double tube may be used. Such coil' mav be formed bv first welding together straight tubes, inserting one length in the other, and then bending to form a coil. Reference has been directed by the Comptroller to Specification 17040/03,