baber/WOPTO huggingface dataset:
Patent GB-898051-A (GB)
Title: Improved components for clocks, instruments and precision mechanisms
IPC: G04B1/14
Filed: 1959-09-11
Abstract: Springs for watches and instruments are made from an alloy free from titanium and containing:- .Cr.14 -16,5 .Ni.10 -12,5 .Mn+Si.0,5 - 3 .C.0,5- 0,3 .Be.0,02- 0,5 .Mo.0 - 6 .W.0 - 6 .Nb.0 - 0,8 .Fe.balance The alloy may be homogenised at a temperature above 800 DEG C. and quenched.  It is then cold-worked to give 70-90% reduction, and if necessary shaped to its final form, followed by heat-treatment in the range 200-600 DEG C.  Specification 745,106 is referred to.
Patent GB-715471-A (GB)
Title: Operation indicating devices for photographic roll-film cameras
IPC: G03B17/42
Filed: 1950-12-20
Abstract: 715,471. Photographic roll-film cameras. VOIGTLANDER & SOHN AKT:-GES. Dec. 20, 1950 [Dec. 22, 1949], No. 31039/50. Class 98(1) A roll-film camera provided with an operationindicating device in which indication of readiness for exposure is given by a mark brought into action during winding of the film and indication of readiness for film winding is given by the same or another mark brought into action during exposure, is characterized in that the mark or each mark is in the form of an arrow which when in action is brought into view and points to the location of the operating member next to be actuated. As shown, a clockwise-urged lever pivoted at 11 has a spring arm 12 engaging in a slot 105 in a fixed sleeve 104 and in a slot 106 in the shutter operating rod 15 having a button 4 thereby locking the rod against a second actuation, and an arm 13 carrying a finger 29 projecting into the path of the finger piece 6 on the clockwise rotated film winding knob 5. A clockwise-urged pivoted plate 20 has a ledge 19 which follows a nose 18 on the arm 12 so that as shown an arrow 9 on the plate appears in the window 7 in the camera body, indicating that the film is to be wound on. On winding the film, the finger piece 6 moves the arm 13 anticlockwise so that the arm 12 moves out of the grooves 106, 105 in the shutter operating rod and surrounding sleeve and snaps upwardly to rest on the sleeve so releasing the rod for a second actuation, and also the plate 20 rotates'to bring the arrow 10 indicating that the shutter is to be operated, beneath the window.
Patent GB-800436-A (GB)
Title: Apparatus and method for processing metal strip primarily for removing oxide scale therefrom
Inventor: GREENBERGER JOSEPH IRWIN
IPC: B21B45/06
Filed: 1955-10-31
Abstract: 800,436. Removing scale from metal strip UNITED ENGINEERING & FOUNDRY CO. Oct. 31, 1955, No. 31055/55. Class 82(2) Oxide scale is removed from metal strip by passing the strip through nesting rolls including large diameter rolls and a small diameter bending roll, thus to effect sinuous flexing of the strip. The principle is illustrated in Fig. 4 where the strip S is shown passing through two sets of rolls each consisting of two large diameter rolls 37, 38 and a small diameter bending roll 47, the latter having a backing roll. The diameters of the bending rolls are related to the thickness of the strip and the rolls therefore are constructed to be readily replaceable. The upper assembly of each set of rolls is movable vertically to allow for threading the strip and to vary the pressure exerted on the strip whilst being flexed. This is done by hydraulic motors 35 (see Fig. 1) acting on links 26 and determining the vertical position of the upper roll members which are journalled in bearings 24, 25 sliding in guides 54. Each roll assembly has a link on either side and stop members are provided to limit their downward movement. Strip of varying transverse thickness is accommodated by setting the stops so that one link is arrested before the other and using springing of the machine frame to cant the rolls. The same effect can also be produced by a torsion bar in the linkage being arranged to pivot at one end about a bearing of adjustable eccentricity. Guide plates 96, 97 (see Fig. 4) assist in threading the strip and the 'former is provided with water through pipe 89 to assist in scale removal. A pressure roll 98 is povited against the strip as it leaves the last roll and further water sprays are arranged here, fed by pipe 93. Scrapers 83 remove loosened scale from the rolls. A modified machine is also. described and illustrated.
Patent GB-1106533-A (GB)
Title: Production of methyl-chloroform
IPC: C07C17/10
Filed: 1965-07-21
Abstract: 1,1,1-Trichloroethane is prepared by a process comprising the steps:- (a) Thermally chlorinating vaporized 1,1-dichloroethane with elemental chlorine.  (b) Separating hydrogen chloride substantially free of 1,1,1-trichloroethane by condensing the chlorinated organic products from step (a), thereby providing a partial condensate comprising 1,1,1-trichloroethane.  (c) Reacting vinyl chloride with hydrogen chloride comprising that derived from step (b).  (d) Condensing a partial condensate comprising 1,1-dichloroethane from the products of step (c).  (e) Separating in a common fractionation train 1,1-dichloroethane and 1,1,1-trichloroethane from the partial condesates of steps (b) and (d) and recycling all or part of the 1,1-dichloroethane to step (a).
Patent GB-427869-A (GB)
Title: Improvements in evaporating apparatus for concentrating acid liquids
IPC: B01D1/22
Filed: 1934-10-30
Abstract: <PICT:0427869/III/1> In tubular evaporators as claimed in the parent Specification and comprising units of acid - resisting material consisting of vertical evaporating tubes 1 each surrounded by an independent casing 2, and opening at its upper end into a separator 5, hot p  liquid is circulated through the casings, which are of reduced section.  Liquid under treatment enters at 6 and hot water enters the casing at 7 and flows out at 8.
Patent GB-921517-A (GB)
Title: Improvements relating to coin-freed prepayment meters
Inventor: HEWLETT STANLEY JAMES
IPC: G07F15/12
Filed: 1959-09-11
Abstract: 921,517. Prepayment mechanisms. UNITED GAS INDUSTRIES Ltd. Aug. 8, 1960 [Sept. 11, 1959], No. 31109/59. Class 27. The prepayment timing mechanism for gas or electricity meters or television, wireless, gramophone or other apparatus, as described in Specification 921,516 is again described but the claims are directed to the coin counter actuating mechanism, which comprises a cam 71 moving with the rotary coin holder and permitting a pivoted arm 73 or slider carrying a pawl 74 to make its operative movement at a predetermined point in the movement of the coin holder towards coin discharge position, the point of operation of the arm being unaffected by adjustment of the price-change plate. The spindle of the coin holder is cut away on a diameter for engagement with a complementary clutch dog 69 on the cam spindle 70 so that it drives the cam and the arm 73 is pressed into engagement with the cam by a leaf spring 76 which bears on the wheel 25 connected to the quantity wheel 23 or on a corresponding circular element driven by the wheel 25. When the coin holder has rotated through the predetermined angle, a notch 77 on the cam comes opposite the point 90 on the lever and the drag of the wheel moves the lever into the notch so that the pawl 74 rotates the units numeral drum 67. If the coin holder is turned in the absence of a coin, the wheels 23 and 25 are not moved and the arm 73 is inoperative. In a modification, where there is no wheel 25 or circular element, a leaf or other spring may press the arm 73 against the cam and a spring catch engages the striker of the coin holder to prevent movement of the holder in the absence of a coin but, on insertion of a coin, the depression of the striker moves it clear of the catch.
Patent GB-1488542-A (GB)
Title: Boot sealed chamber assembly
IPC: F16J15/52
Filed: 1975-08-25
Abstract: 1488542 Seals TRW Inc 25 July 1975 [1 Aug 1974] 31190/75 Heading F2B The interior of a sealing boot 23<SP>1</SP> is protected from the ingress of airborne contaminants and the escape of lubricant, by a filter plug 29 of sintered metal, especially bronze. The plug may be sealed in a hollow nipple 35 of the rack tube 13<SP>1</SP> of a vehicle steering gear or in the elastomeric material of the boot itself.
Patent GB-1379114-A (GB)
Title: Apparatus for liquid treatment of moving material
IPC: D06B13/00
Filed: 1972-07-04
Abstract: 1379114 Treating webs with liquids RODNEY HUNT CO 4 July 1972 [23 Aug 1971] 31243/72 Heading D1L Apparatus for the liquid treatment of a travelling web 26 comprises a housing 16 formed on a tank 12 and defining a treatment chamber 18, a pair of opposed walls 44a, 44b (see Fig. 2) located at the exit of chamber 18 and forming a treatment zone 20, a guide roller 30 mounted in the chamber 18 for reversing the direction of travel of the web 26 fed therethrough, and means comprising conduit 40, pump 36 and conduit 42 for continuously feeding treatment liquid from tank 12 into chamber 18, the opposed wall members 44a and 44b lying on non-parallel planes which converge to and intersect at a location 46 outside the treatment zone 20 and the material being subjected to a padding action in the treatment zone 20 by a flexible reed 22 mounted in a groove formed in stationary support 48 located at this location 46 and vibrated by the treatment liquid passing through the zone. Resilient compressible packing material 74a, 74b (e.g. of silicone rubber) is preferably provided on either side of the reed 22 to prevent metal fatigue developing in the constantly vibrated reed.
Patent GB-666883-A (GB)
Title: Electrical apparatus employing the phenomena of superconductivity
IPC: H02M11/00
Filed: 1948-12-03
Abstract: 666,883. Electric resistors. TELEFONAKTIEBOLAGET L. M. ERICSSON. Dec. 3, 1948 [Dec. 4, 1947; Dec. 8, 1947; Dec. 20, 1947], Nos. 31362/48, 31363/48 and 31364/48. Class 37. [Also in Groups XXXV, XXXIX and XL (c)] Rectifiers make use of a conducting element cooled to the region in which its resistance is abruptly changing from its ordinary value to the zero of superconductivity. In this region-a large percentage increase of resistance can be produced either by a slight increase in temperature or by a slight increase in the value of a magnetic field in which the conductor is arranged. Niobium nitrite is mentioned as a suitable substance for the conductor but a metallic conductor such as bismuth or tungsten may be used. As shown in Fig. 7, the cooled conductor is a thin-walled tube 2 and it is brought by the field due to an axially arranged filament 7 carrying direct current to the point at which the half-cycles in the cooled conductor in a direction to aid the field of the filament produce a large increase in resistance and are virtually suppressed. In another system, Fig. 8 (not shown), the working point is controlled by a permanent or electromagnet external to the vessel containing the cooling fluid. Four cooled conductors can be connected as a rectifying bridge which may take the form of a continuous ring, Fig. 13 (not shown). In Fig. 14 (not shown), three tapped rectifiers are used as a three-phase rectifier.
Patent GB-723851-A (GB)
Title: Improvements in or relating to a flow control device
IPC: F16L29/02
Filed: 1952-12-11
Abstract: 723,851. Pipe couplings. ELECTRIC HOSE & RUBBER CO., Ltd., and LIVERSEDGE, S. T. Dec. 4, 1953. [Dec. 11, 1952] No. 31388/52. Class 99 (1). [Also in Group XXIX] A flow control device in two separable parts adapted to be connected to hose pipes e.g. in a coal mine comprises a valve member 10 having a stem 4 slidably mounted in a valve body 1, a valve actuator 14, also slidably mounted in the body 1, and a fluid sealing means such as the ring 16 carried by and movable with the actuator and constantly engaging the bore 2 of the valve body, the actuator 14 having a longitudinal passage 24 in communication with a longitudinal passage 25 in the valve stem so that on adjustment of the actuator the valve member is displaced from its seating 11 and fluid passes through the passages 24, 25. The valve stem has an enlarged portion 12 against which abuts a valve closing spring 27. The blind end of the passage 25 is intersected by transverse ports 26 opening into bore 3. The valve member comprises a sealing washer 10 received in a head 6 screwed on to an extension 5 of the valve stem. The outer ends 29, 30 of the valve body 1 and the actuator 14 are threaded to receive hose pipe connections. The actuator 14 comprises cylindrical end portions 13, 18 with an intermediate conical part 17 adapted to engage a tapered surface 23 in the valve body 1 when the valve is fully open. The actuator 14 is itself operated by a knurled nut or ring 19 with an internal flange retained between a shoulder 21 and a split ring 22.
Patent GB-198618-A (GB)
Title: Improvements in rubber-faced blocks for road paving and like purposes
IPC: E01C5/22
Filed: 1922-11-17
Abstract: 198,618. Gaisman, L. Nov. 17, 1922. Addition to 194,618. Compound or composite bricks, blocks, and slabs.- In the paving blocks described in the parent Specification, the upper wearing surface of each block consists of two or more rubber slabs b<1> b<2> - - each having segmental projections around the edges adapted to engage corresponding recesses in the base block a. The base block when formed of concrete may be moulded to the rubber slab. The projections are usually of a harder or tougher quality rubber than the slab proper.
Patent GB-361072-A (GB)
Title: Valve caps
IPC: B60C29/06
Filed: 1930-10-20
Abstract: 361,072. Inflating - valves. SCHRADER'S SON, Inc., A., 470, Vanderbilt Avenue, New York, U.S.A.-(Assignees of Wahl, J. ; Cambridge Road, Rosedale, New York, U.S.A.) Oct. 20, 1930, No. 31415. Convention date, Aug. 16. [Class 135.] Dust caps.-A valve, for use as a tyre-valve cap through which the tyre may be inflated, deflated, or gauged, comprises a casing A, open at its top and provided below said top with an enlarged bore have a valve seat F therein ; a check valve having a rubber seating member h<1> mounted on a pin h<2> having a domed enlargement J at its outer end projecting slightly from, and substantially closing the opening in the casing to prevent entry of foreign matter and a seating spring L located above the valve seat in the enlarged bore. Depression of the enlargement J by a gauge or inflating connection unseats the tyre valve, the part J moving into the enlarged bore to provide a free air passage. The cap is threaded at its lower interior and upper exterior to correspond with the nipple of the convential tyre valve stem, and a rubber or fibre sealing washer D is also provided.
Patent GB-825050-A (GB)
Title: Improvements in paper backings for pressure-sensitive tape
IPC: C09J7/21
Filed: 1955-11-03
Abstract: 825,050. Adhesive tapes. PERMACELLE PAGE'S Inc., [formerly PERMACEL TAPE CORPORATION]. Nov. 3, 1955 [Nov. 3, 1954], No. 31488/55. Class 140. An adhesive tape comprises an adhesive mass coated on to a backing which is formed wholly or partially of a paper layer which layer includes curled fibres. The curled fibres may be produced by causing nodules of high consistency pulp to roll in mutually changing directions between two surfaces which compress the nodules while they roll. The formed paper webs may be unified by impregnation with a plasticized proteinaceous mixture (e.g. glue-glycerine) or with a polymer, or the fibres may be impregnated by beater impregnation prior to forming the web. The paper web, which may be reinforced by filaments of glass, acetate rayon, polyesters, polyamides or polyacrylonitrile if desired, may then be impregnated with a polymeric latex and then coated with a normally tacky pressure-sensitive adhesive (e.g. of a natural rubber, polyisoprene or vulcanizable butadiene-styrene copolymer base). The adhesive mass may contain tackifiers and fillers as specified, antioxidants, heat stabilizers, dyes and pigments. The adhesive may also be water activatable and non-tacky such as those based upon glue, or organic solvent activatable such as those based upon polyvinyl chloride. A priming coating may be interposed between the base and the adhesive layer. The face opposite the adhesive coated face may carry a release coating. If desired the base may be laminated to a stretchable polymeric film such as those of polyvinyl chloride, vinyl chloride-vinyl acetate copolymers, polyethylene or polyesters. Specification 705,908 is referred to.
Patent GB-293625-A (GB)
Title: Improvements in stretching machines
IPC: D06C3/00
Filed: 1927-11-23
Abstract: 293,625. Kilner, A. H. Nov. 23, 1927. Tentering.-In a fabric stretching machine each link 4 of one chain 9 is connected to a link on the other chain by two rods 5 on which slide carriages 19, 49 to which the pin blacks 25 are pivoted. When free, the blocks occupy the inclined positions shown in dotted lines to engage the bent over edges of the fabric 27, but are drawn up against the stops 25a when the carriages 19, 49 are moved apart to stretch the fabric. As shown in Figs. 2 and 3, a pin 22 and roller 21 on each carriage engage adjustable cam bars 6 which take the tension of the fabric. As shown in Fig. 8, each carriage is provided with a ratchet bar 40 engaging a pawl 43 pivoted to a cross bar 41 between each pahof rods 5, the cams 6, Figs. 2 and 3, being then replaced by short cams which move the carriages 49 apart only. At the end of the stretching, fixed rollers not shown engage the rollers 21 to take the pressure off the pawls 43 which fall clear of the racks due to their weighted tails and their then inverted positions. Projections 15 on the links 4 engage guides 13 to position the chains correctly at the point where the fabric is applied to them. Specification 304,168, [Class 140, Waterproof &c. fabrics], is referred to.
Patent GB-418469-A (GB)
Title: Improvements in the manufacture and production of polymerisation products
IPC: C08F36/16
Filed: 1933-11-13
Abstract: A dichlorbutadiene obtained by splitting off hydrogen chloride from a tetrachlor normal butane is polymerized by allowing it to stand at temperatures of about 0--20 DEG  C., for example, or by warming to about 20--50 DEG  C. accompanied, if desired, by irradiation or the action of alkali or alkaline-earth metals.  The use of a closed vessel and absence of oxygen is preferred.  The dichlorbutadiene may be dissolved or emulsified in a diluent, and accelerating agents such as peroxides of hydrogen, sodium, barium, or benzoyl added. Softening agents and fillers may be incorporated before, during, or after polymerization, and agents preventing ageing, such as aldol-a -naphthylamine, added to the products.  The polymerizates, if not already insoluble in benzene, can be made so by heat and pressure treatment for example at 140--150 DEG  C. for 10 minutes.  The tetrachlorbutanes may be obtained by chlorinating butadiene, and then splitting off hydrogen chloride by treatment with methyl or ethyl alcoholic potash, for example at 40--45 DEG  C.  According to examples: (1) dichlorbutadiene, prepared from solid tetrachlorbutane by the action of methyl alcoholic potash at 40--50 DEG  C., is heated at 30 DEG  C. for 1\ba1/2\be hours.  The product is rolled to give a foil only slightly soluble in benzene; (2) dichlorbutadiene, obtained from solid tetrachlorbutane, is emulsified in water with about 1 per cent of its weight of hydrogen peroxide, by means of ammonium oleate or similar agent and shaken for 1\ba1/2\be hours at 20 DEG  C. Coagulation with acetic acid yields a white powder which is soluble in toluene, for example, and may be reprecipitated with acetone.  It yields transparent films, insoluble in benzene, on rolling at about 140--150 DEG  C. and 100--150 atmospheres for about 10 minutes; (3) the product obtained from liquid tetrachlorbutane by treatment as in (1) is emulsified with ammonium oleate and hydrogen peroxide added. After \ba1/2\be hour the product is coagulated, washed and dried.
Patent GB-402590-A (GB)
Title: Improvements in and relating to machines for feeding plastic material, such as dough, through dies or like apertures
IPC: A21C11/16
Filed: 1932-11-09
Abstract: 402,590. Moulding dough, chocolate, &c. KREMMLING, A., Hamersleben, Oschersleben, Germany. Nov. 9, 1932, No. 31689. [Class 87 (ii).] In machines for feeding and depositing plastic material such as dough, sugar confections, or the like, a conduit 9 is provided between a hopper 1 and an extrusion chamber 39 and is mounted for vertical reciprocatory movement relative thereto. Plastic material is fed from the hopper 1 by rolls 6, 7 supported by the conduit, to the chamber 39 and thence through one or more die apertures 4 on to a table 63. The hopper 1 telescopes into the upper part of the conduit 9 which in turn telescopes in a part 3 of the extrusion chamber. The rolls are intermittently rotated and the conduit is reciprocated by levers operated from a crank disc on a main shaft 17, the mechanism including two levers 35, 36 operating ratchet devices for rotating the rolls and two levers 31 connected to the conduit. Both pairs of levers may be operated from a lever 27 such that rotation of the rolls to feed the material into the chamber 39 only occurs as the conduit is moved upward. The rolls may be fixed in spaced relation, or one or both may be movable toward the other by links operated from a cam on the shaft 17. The rolls may be normally urged apart by a spring. They may be moved together and cease to rotate as the conduit is lowered so as to cut off the hopper supply and feed material in the chamber 39 through the die 4. A wire cutter comprising a wire 170 mounted on fingers 70 is reciprocated across the die aperture and also moved down to position cut material on the table 63, by mechanism 71-76 driven from the shaft 17. A conveyer 46 on the table 63 may be operated by ratchet and lever mechanism connected to the conduit-operating mechanism. The table 63 is pivotally mounted at one end ; it may be moved up to receive material cut by the wire 170 and moved down completely to sever the material and carry it away, the operation being controlled by a rod 64 driven from a cam on the shaft 17. The apparatus may be used for depositing, in which case the wire cutter is dispensed with and the die replaced by nozzles which may be stationary or moved by links connected to a cam disc 54. The degree of intermittent movement of the conduit, table, conveyer and wire cutter and of rotation of the rolls may be controlled by including in each operating mechanism a pivot pin which is adjustably set in a slotted guide forming part of the mechanism, the setting being controlled by a hand-wheel. The degree of movement of the rolls toward one another may be controlled by a hand-wheel setting the position of a lever 57 on an operating rod 60 and also by adjustable stops for the lever 57.
Patent GB-735468-A (GB)
Title: Improvements in power-operated opening and closing devices for doors
Inventor: ALDAM CHARLES ERNEST
IPC: E05F15/02
Filed: 1952-12-15
Abstract: 735,468. Door-operating appliances. ALDAM & CO., Ltd., H. March 9, 1954 [Dec. 15, 1952], No. 31728/52. Class 65(1). A sliding folding door is operated by a poweractuated reciprocatory member carried by the two door leaves adjacent to the hinge between them and connected by rigid links to the door leaves. In the arrangement shown the leaves 2, 3 are hinged together at 5 and the reciprocatory member is constituted by the piston-rod 7 of a compressed-air or hydraulic cylinder 6 attached to the hinge by a bar 8 and fed by connections on the door leaf 3 from valves adjacent to the door. The links 9 connecting the member 7 to the door leaves are pivoted to brackets 10 on the leaves. The cylinder 6 may be replaced by a device comprising an electric motor or electromagnetic thruster arranged to produce longitudinal movement of the rod 7.