baber/WOPTO huggingface dataset:
Patent GB-680167-A (GB)
Title: Interferometer for testing optical systems
IPC: G01B9/02
Filed: 1950-07-13
Abstract: 680,167. Interferometers. ZEISS-OPTON OPTISCHE WERKE OBERKOCHEN GES. July 13, 1950 [July 15, 1949], No. 17566/50. Class 97 (i). In an interferometer of the kind described in Specification 103,832, [Class 97 (i)], a telescopic system comprising two collecting lenses of different focal lengths or one collecting and one diverging lens separated by the algebraic sum of their focal lengths is provided in the path of rays of the incident beam which are reflected by the beam splitter in the instrument. In the interferometer shown, light from a source 1 is collimated at 2 and transmitted at 3 to a lens 4 to be tested and reflected at 3 to a telescopic system 8. The focus of lens 4 is located at the centre of curvature of a convex mirror 5 so that the light is reflected back by said mirror and is again reflected at 3 through a lens 7 into the observer's eye. This light interferes with light reflected back through system 8 by plane mirror 6 and transmitted at 3. When using the instrument it is necessary to move mirror 6 until the optical lengths of light paths A and A<SP>1</SP> are equal and then to move system 8 axially until interference fringes are produced. A plane or concave mirror may be used instead of the convex mirror 5 and the plane mirror 6 may be replaced by a collecting lens having a plane mirror in its focal plane or by a triple reflector.
Patent GB-1190734-A (GB)
Title: Flexible Couplings for Refrigerated Air
Inventor: ROBERTS EDMUND GODFREY RUSSELL
IPC: F16L59/14
Filed: 1966-04-22
Abstract: 1,190,734. Flexible, heat-insulating tubes; pipe couplings. HALL-THERMOTANK INTERNATIONAL Ltd. 21 April, 1967 [22 April, 1966], No. 17660/66. Headings F2G and F2P. An axially extendible and compressible thermally insulated coupling, e.g. for connecting thermally insulated cargo containers to a central source of refrigerated air, comprises preferably corrugated inner and outer flexible tubes 1, 2 each formed of air-impermeable e.g. fabric reinforced, strip wound, thermoplastic material 3, helically coiled reinforcing members 4, 5 made e.g. of plastics coated iron wire or strips, or ribbons, of metal or plastics, a filling between the tubes of thermally insulating fibrous material 6, e.g. mineral wool or fibrous glass, to give a thermal conductivity of not more than 0.5 B.Th. U/hour/square foot/‹ F. temperature and preferably not more than 0À3 B. Th. U/hour/square foot/‹ F., a connector at one end of the ducting to surround an opening through which refrigerated air flows, and an apertured coupling means 7 at the other end of the ducting having a resilient end seal 10 surrounding the aperture in the coupling means which seal can abut against a sealing surface around a further opening and permit communication of refrigerated air between the openings. As shown, a metal coupling 7 is connected to an end of the tubes 1, 2 by clamping strips 8, 9 to totally enclose the fibrous material 6. Heating wires may be wrapped round the inner and/or the outer tubes, or, the reinforcing coils 4, 5 may be employed for this purpose if they are made of suitable material. Heating elements 12, housed in a groove 11, or 11<SP>1</SP>, are also provided on at least one of the couplings 7, the elements being connected in series with the longitudinally extending heating wires. The couplings 7 may be provided with connectors, e.g. twist couplings, wing nuts &c.
Patent GB-1219406-A (GB)
Title: Cooling porous material
Inventor: DAVIES GLYN OWEN
IPC: C10L5/30
Filed: 1967-04-18
Abstract: 1,219,406. Cooling porous materials. COAL INDUSTRY (PATENTS) Ltd. 11 April, 1968 [18 April, 1967], No. 17688/67. Headings F4B and F4U. A method of cooling hot porous material, such as coke or briquettes, comprises cooling the material in steam to a first temperature, then cooling the material further in a gas or a gas/ steam mixture to a second temperature, which gas may either be air or any other gas which does not permit spontaneous combustion of the material at the temperature of the cooling stage, the material subsequently being cooled in water to a third temperature. Both the first and second temperatures are above the condensation temperature of the steam but lower than the ignition temperature of the material in air. '
Patent GB-876895-A (GB)
Title: Improvements in or relating to the cladding of steel
IPC: B23K35/00
Filed: 1959-05-25
Abstract: 876,895. Cladding steel with titanium or titanium alloy. PHOENIX-RHEINROHR AKTIENGESELLSCHAFT VEREINIGTE HUTTEN-UND ROHRENWERKE. May 25, 1959 [May 23, 1958], No. 17779/59. Class 83 (2). Steel is clad with titanium or its alloy using a first intermediate layer of nickel-copper alloy and a second intermediate layer of silver or a silver-manganese alloy. The nickel-copper alloy is first plated on to the steel at a temperature above 1150‹ C. The titanium is then plated with the silver or silver-manganese alloy and clad on the monel-plated steel by heating in an argon atmosphere and rolling. Alternatively, the silver or silver-manganese alloy may be introduced as a separate intermediate sheet during the final cladding step. The surfaces to be clad are cleaned by blasting or grinding.
Patent GB-605270-A (GB)
Title: Rear view mirror
IPC: B60R1/08
Filed: 1945-07-12
Abstract: 605,270. Mirror systems. LIBBEYOWENS-FORD GLASS CO. July 12, 1945, No. 17856. Convention date, Feb. 27, 1943. [Class 97 (i)] [Also in Group XXXII] A rear view mirror comprises a transparent support having front and rear surfaces disposed at an acute angle to each other, the front surface carrying a semi-transparent mirror film forming a front mirror for night use and having a reflectivity of 10-30 per cent, and the rear surface carrying a mirror film forming a rear mirror for day use and having an effective reflectivity, as modified by the front mirror, greater than 30 per cent. In one form, Fig. 2, a prism a, of glass or artificial resin, carries mirror films b and c and is mounted in a frame 1 supported by a universal joint 2 so that its inclination may be adjusted to enable either mirror surface to be used. The film c is semi-transparent and has a reflectivity of 10-30 per cent, and the film b is preferably opaque and has a reflectivity of 45-95 per cent. The film b may be semitransparent, in which case it is backed by an opaque medium, e.g. a coating of light-absorbing paint on the inner surface of the frame. The angle between the mirror surfaces is 2-10 degrees, preferably 3¢ degrees. In a second form, Fig. 6, two glass plates are mounted at an angle in a frame 6 and carry mirror films 6b and 6c on their front surfaces. In modifications, Figs. 7-9 (not shown), the mirror films are carried by the front surface of the front plate and the rear surface of the rear plate, the rear surface of the front plate and the front surface of the rear plate, and the rear surfaces of the front and rear plates. The uncoated surfaces of the plates are treated with calcium or magnesium fluoride to render them non-reflective. The mirror films are made by electro-deposition, sputtering or thermal evaporation in a high vacuum, of metals such as. silver, aluminium, platinum, nickel, chromium, gold and copper. Examples given for the front and rear mirror films are : layers of chromium of different thicknesses, chromium, and aluminium, chromium and gold, copper and silver, copper and gold, layers of silver of different thicknesses, and silver and chromium. Coloured reflections may be obtained by using films of copper or gold coloured prisms or plates, or semi-transparent coatings which are coloured by light interference effects.
Patent GB-1097127-A (GB)
Title: Improvements in lamp housings
Inventor: RAPAPORT CYRIL FRANK
IPC: F21V19/04
Filed: 1966-04-25
Abstract: 1,097,127. Lamp houses. VANN BROS. Ltd. Dec. 9, 1966 [April 25, 1966], No. 17924/66. Heading F4R. A lamp housing, especially for diagnostic purposes, includes a platform 12 sliding in guides 11 and carrying a pair of lamp sockets 16, 17 (not shown) supporting bulbs 6, 7 (not shown), either of which can be moved into register with a light emitting aperture 23 by sliding the platform, e.g. by means of a handle 15 moving in a slot, a micro-switch 18 actuated by movement of the platform being provided to break the connection to the first bulb when this is moved out of operative position and to make the connection to the second bulb when this is moved into operative position. The switch has two pairs of terminals 19, 20 (not shown) connected to the output of a transformer 4 within the housing, and is operated by a spring returned lever 21 engaged by a depending member 22 on the underside of the platform. The light emitting aperture may be adapted for the attachment of a flexible light guide. The housing is cooled by a blower 5 which directs air into the hollow base and thence over the bulbs to light-trapped louvres 9 in the upper part.
Patent GB-293791-A (GB)
Title: Method and apparatus for burnishing silver plate and the like
IPC: B24B39/00
Filed: 1928-06-21
Abstract: 293,791. Trinquet, L., and Hamel, R. M. July 12, 1927. [Convention date]. Burnishing by compression. - A machine for burnishing silver plate &c. and described with reference to the burnishing of a spoon comprises rotary rubbing-tools 8, 5 contoured suitably to the article operated upon and driven so as to follow automatically the variations in sectional form of the work. The rubbing-tool 8 is driven through universal joints and spur and bevel gearing and clutch 19 from a shaft 48 and is mounted in a slide 31 which is housed in a frame 11 under the pressure of a spring 32 whose thrust can be relieved by a hand-cam 33. The frame 11 is held against a fixed stop 49 by a spring 51. The work is held in jaws 34 closed by a hand-cam 35 and swivelling on a bar 38 which is adjustably clamped to a slide 43. The work-holding slide may be advanced to carry the work through the burnishing-tools by a worm-driven screw-and-nut gear 45, 44 or by crank, cam, eccentric &c. Various forms of burnishing-rollers, for operating on different articles, are described.
Patent GB-1068061-A (GB)
Title: Device for containing and dispensing a product for decorating cakes and the like
Inventor: SCHULTZ ROBERT STEPHEN
IPC: A23G3/28
Filed: 1964-04-30
Abstract: 1,068,061. Discharging liquids under gaseous pressure. PILLSBURY CO. April 30, 1964, No. 18037/64. Heading F1R. A device for dispensing a food product P, e. g. icing, comprises a container C, having a tiltable tubular dispensing valve member (21), Fig. 7 (not shown) and housing a product dispensing piston 23 subject to a gaseous propellant G, in combination with a closure cap and nozzle unit 12. The unit 12 comprises a central closure cap 13 and four spaced nozzle members 14 moulded integrally therewith. A nozzle member 14 is secured to the valve member (21), Fig. 7, spaced protuberances (40) and (41), Fig. 5 (not shown), on the nozzle member engaging threads on the valve member, in place of the cap 13 when it is desired to dispense product P. The nozzle members may be broken away from the cap along lines of weakness (31), Fig. 3 (not shown), in the connecting webs. The device is provided with a cap 16 of a coloured or transparent plastics material, e.g. cellulose acetate.
Patent GB-934537-A (GB)
Title: Improvements in yarn winding machines
IPC: B65H57/14
Filed: 1961-05-18
Abstract: 934,537. Winding machines. LEESONA CORPORATION. May 18, 1961 [May 19, 1960], No. 18118/61. Class 120 (2). In a winding machine in which the wound package 10 is brought to rest in the event of strand interruption and in which the strand traversing means 18 is continuously operative, the strand ends are placed in a strand uniting device 26 from which, after the ends have been united and whilst the package 10 is being brought up to speed, the united strand is passed by yarn guide means 28 to a first point on a supplementary yarn guide member 32 having means 34 for moving the strand therealong to a second point for a period of time enabling the package to attain its normal speed, whereafter the strand is released to the traversing means 18, both said first and second points being within the longitudinal confines of the traversing means 18. As shown, the traversing means 18 is a grooved drum that drives the package 10 and the supplementary yarn guide member 32 has helical grooves 34 and is rotatable about an axis 30a that is parallel to the axis 20 of the drum 18. During the speed build up period, the frictional contact of the strand with the helically grooved member 32 causes this member to rotate and thus move the strand to one end thereof (the right-hand end in the Figure) where it drops on to the traversing member 18. Specification 704,931 and U.S.A. Specification 2,670,230 are referred to.
Patent GB-589139-A (GB)
Title: A combined filter and restrictor for controlling the flow of fluid media
IPC: B01D35/02
Filed: 1944-09-26
Abstract: 589,139. Filtering liquids. PRESSED STEEL CO., Ltd., ROWLEDGE, E. G., and KITSON, J. W. Sept. 26, 1944, No. 18332. [Class 46] [Also in Groups XXVIII and XXIX] A device for restricting the flow of a fluid and at the same time filtering said fluid comprises a single piece of gauze 3, 6, Fig. 2, held between two impervious plates 1, 2, the fluid being constrained to flow in the plane of the gauze as indicated by the arrow a. The length and breadth of the element may be varied and it may be circular, in which case the flow of the fluid is radially inwards or outwards. As shown in Fig. 5, the gauze element 17 is arranged between concentric tubes 18 and 19, the direction of flow being axially between the tubes.
Patent GB-1383101-A (GB)
Title: Printing machines
IPC: B41J33/04
Filed: 1972-04-20
Abstract: 1383101 Ink ribbon mechanisms NIXDORF COMPUTER AG 20 April 1972 [21 April 1971] 18337/72 Heading B6F Ink ribbon feed mechanism in a printer wherein ink ribbon spools are mounted on a print head carriage comprises wheels 48, 48a engaging a stationary element 50, the wheels 48, 48a acting through unidirectional clutches acting in opposite senses to rotate cog 46 or 46a respectively as the carriage is displaced, the cogs 46, 46a meshing with mutually meshing gears 29, 29a respectively, one of the gears 29, 28a meshing with a gear 28 or 28a coupled to the take-up spool, the gears 29, 29a being displaceable on a slide 31 to reverse ribbon feed direction. Feelers 40, 40a detect the diameter of the ribbon on the unwinding spool and reverse ribbon feed through a spring-biased arm 43 or 43a whereby a latch 35 or 35a is released to permit the gear train to displace the slide 31. The stationary element 50 may be a cable as shown, a rack, a plate or a rod. Ink ribbon guides (57, Fig. 4, not shown), displace the ribbon transversely for maximum wear through eccentrics 26, 26a on the gears 28, 28a. The eccentrics 26, 26a act on levers whose mean position may be electromagnetically adjusted for multicolour selection or to expose a line of print.
Patent GB-562395-A (GB)
Title: Improvements in or relating to window glazing means
IPC: E06B3/62
Filed: 1942-12-24
Abstract: 562,395. Glazing windows. EASTERN COACH WORKS, Ltd., and BRAMHAM, W. Dec. 24, 1942, No. 18342. [Class 20 (iii)] A glazing strip is made of a resilient material such as rubber, and is provided with a channel 27 to accommodate the edges of a window pane 25, a section of the strip in repose being shown in Fig. 3, the strip being deformed as in Fig. 2 when the pane 25 is inserted, and' the strip forced between the edges of the pane. and the window frame 21. The strip may also have another channel 28 in which is retained a finishing strip 29, which, however, does not support the glazing strip. A curved lip 31 is flattened against the pane to prevent entry of water. The concavity at 30 provides a cushioning effect to absorb shock. In Fig. 14 drain channels 41 are provided with hollow thimbles 40 which convey water collecting in shallow channels 37 into the channels 41.
Patent GB-146406-A (GB)
Title: Knitting machine for making anti-ravel courses in hosiery
IPC: D04B1/06
Filed: 1920-07-02
Abstract: 146,406. Hemphill Co., (Assignees of Bedard, E.). Aug. 31, 1915, [Convention date]. Circular machines. - For making anti-ravel courses in stocking legs by tucking on alternate needles, long and short latched needles are disposed alternately around the cylinder of a " Banner " or other type, of machine. When the clearing cam is in the low position 7 the latches of the long latched needles b remain below the clearing line x, as shown, and the tuck stitches thus produced on alternate needles constitute an anti-ravel course. When the clearing cam is raised to the position 7x under the influence of a cam 14, the long-latched needles clear and regular knitting is resumed on all the needles.
Patent GB-634707-A (GB)
Title: Improvements in or relating to infinitely variable gearing of the expanding pulley type
IPC: F16H9/16
Filed: 1946-11-30
Abstract: 634,707. Variable-speed gearing. WADKIN, B. J:, and CLIFTON, G. Nov. 30, 1946, No. 18416. [Class 80 (ii)] In a variable-speed gear of the expanding pulley type having fixed flanges 3, 24 and movable flanges 8, 26 of driving and driven pulleys, the movable flanges being on opposite sides of a belt 37 and movable axially by fork members 12, 30, adjusting means are provided for varying the axial distance of the movable flanges 8, 26 from the fork members 12, 30. The fixed flange 3 has an axial sleeve 4 which is secured to the shaft 2 of an electric motor 1, and has the movable flange 8 slidably keyed thereon by means of keys 11. The housing 15 of a thrust bearing 16 associated with flange 8 carries stops 17 which engage the head 14 of a bolt adjustably secured to the fork 12 to limit rotation of the housing 15. The flanges of the driven pulley 21 are of similar construction and are freely mounted on a stub shaft 22. An output pulley 35 is secured to the sleeve 24a of flange 24. Fork members 12, 30 are secured to a rod 13 slidably mounted in brackets 18 and slidable by means of a bellcrank lever 19 having a handle 20. The faces of the pulley flanges may be bulged slightly. The stub shaft 22 is mounted in a casing 23. Driving and driven shafts may be mounted within a single casing with or without the motor to constitute a self-contained unit.
Patent GB-402512-A (GB)
Title: Improvements in pole steps
IPC: E04H12/00
Filed: 1932-06-30
Abstract: 402,512. Brackets. BAYLISS, JONES, & BAYLISS, Ltd., and INGHAM, J., Cable Street, Wolverhampton. June 30, 1932, No. 18465. [Class 52 (v).] A bracket pole-climbing step comprises a step portion 4, Fig. 2, and a strut 9 rigidly secured thereto by rivets 16, the step portion comprising a horizontalmetal strip 7, with its wider face horizontal, and an upwardly projecting portion 5, while the strut comprises a horizontal part 10, a vertical part 11, and an inclined central part 12. The step and strut are both formed by machine-pressing and are secured to the post 6 by screws 15. The upper surface of the step may be provided with projections 24, and its end may be bent upwardly at 8. In a modification, the step 18 and strut 19 are formed of a single piece of strip iron or steel, riveted at 16 as before, as shown in Fig. 3.
Patent GB-277148-A (GB)
Title: Regulating the rate of firing of automatic fire arms especially machine guns
IPC: F41A19/03
Filed: 1926-07-26
Abstract: 277,148. Etablissements Braekers, Soc. Anon., Francart, R., and Drock, A. July 26, 1926. Addition to 235,856. Machine guns.-A device for operating the trigger mechanism of an automatic gun at regulable speed by means of a piston reciprocating in a closed chamber containing liquid, as described in the parent Specification, comprises a dash-pot piston and a spring-loaded firing slide mounted in parallel cylinders in a body part and interconnected by lever mechanism adapted to be displaced by a recoiling part of the gun. As shown, the body part 1 is formed with two cylinders 2, 3 and with an upper dome 5 and chamber 32. The cylinder 2 is filled with liquid and contains a piston 13 combined with a non-return valve 16. The other cylinder 3 contains a firing plunger 19 and return spring 22. The piston 13 and plunger 19 are connected to reciprocate together by a crank comprising a shaft 26 and two arms 27, 29 engaging the piston-rod 14 and the plunger 19, respectively. The piston and plunger are moved forwards during the recoil of the gun by a part on the gun engaging a lever 30 fixed to the crank shaft 26. During this recoil movement, the piston moves freely since the valve 16 opens. The return stroke is effected by the spring 22, and during this stroke liquid passes from one side of the piston to the other, partly through the piston and partly through an opening 34 controlled by a needle valve 35 having a graduated head 36. The return stroke takes place in three stages, a rapid initial movement, a regulated movement, and a rapid final movement. To effect this, the cylinder is provided with a lining 9 formed with two ports 11, 12, Fig. 11, and the piston has an opening 18 in its periphery. During the first part of the return stroke, liquid can pass through the port 12 and opening 18; during the middle part of the stroke, liquid can pass only by the controlled opening 34 so that this movement can be made very slow; during the last part of the stroke, liquid can pass through the port 11 and opening 18. The plunger 19 carries a pivoted pawl 47, Fig. 10, adapted to engage the end of an arm 41 which actuates the trigger rod. Towards the end of the return stroke, a downward projection 49 of the pawl engages a cam surface 51 which disengages the pawl from the arm 41. To render the regulator inoperative, a lever 58 is provided adapted when depressed to move the firing plunger 19 to an intermediate position with the firing pawl 47, 49 disengaged. When thus adjusted, the device acts merely as a shock absorber for the recoiling parts. Specification 240,872 also is referred to.
Patent GB-694180-A (GB)
Title: Improvements in and relating to electric control apparatus
Inventor: WILLIAMS THOMAS CLIFFORD
IPC: H01H21/02
Filed: 1950-07-25
Abstract: 694,180. Indicators for switches. COMMUNICATIONS PATENTS, Ltd. Oct. 25, 1951 [July 25, 1950], No. 18571/50. Class 38(v) The actuating lever 8 of a key-switch is made wholly or partially of light-permeable material and has coloured or other portions 10, 11, 12 which serve to vary the colour or intensity of the light reaching the roughened end surface 8 of the lever from a lamp 14 when the lever is moved from one position to another. The lever is flat and has a roller 9 on each face adapted to operate a corresponding set of contact springs. The beam of light from the lamp 14 passes through a slot in a shield 15. In a modification the lever is of metal with a light permeable handle, and one or more passages are provided in the metal to allow the passage of the light.