baber/WOPTO huggingface dataset:
Patent GB-238785-A (GB)
Title: Improvements in presses for manufacturing spring wedges or keys for railway permanent ways or the like
IPC: B21F45/00
Filed: 1925-02-05
Abstract: 238,785. Williams, D. D., and Williams, Ltd., H. Feb. 5, 1925. Keys and wedges. - A machine for making metal keys or spring wedges for railway permanent way comprises a mandrel 1 slotted at 1<A> to receive the end of a metal strip, a cap 6 actuated by a screw 11 and handle 12 for holding down the strip, adjustably mounted bending rollers 2, 2A to press the strip against the mandrel and means such as the crank 5 and bevel gears 3, 4 for rotating the mandrel. The bending rollers are carried by brackets 7 each having an adjustable screw spindle 9 passing through the machine frame, and are urged inwards by springs 8 interposed between the brackets and the frame. Keys may be made without the diagonal portion shown in Fig. 5 by providing the mandrel with a guard on its periphery for holding the metal strip instead of the diagonal slot.
Patent GB-142569-A (GB)
Title: Improvements in or relating to apparatus for the construction of railway road beds
IPC: E01B27/02
Filed: 1919-02-10
Abstract: 142,569. Shutt, E. W. Feb. 10, 1919. Laying down materials, machines for.-Relates to apparatus for use in the constructon of railway road beds of the type in which the material to be laid is transferred to a conveyer and thence led to a distributor which deposits it in advance of the apparatus over the requisite area. According to the invention, the apparatus comprises one or more vehicles A, Figs. 1 and 2, having conveyer bottoms and provided with receptacles 1 adapted to receive the material from carrying trucks H which are run by means of an approach D and an inclined trackway E carried by an inclined car B on to tracks 29 carried on the vehicles E above the receptacles 1. The receptacles 1 are provided with a number of discharge hoppers 3 beneath which is located the conveyer K of which each vehicle carries one section 4 overlapping at its front end 5 the section of the vehicle in front. Supported in advance of the foremost vehicle A is a distributor G comprising a framework 13 and a motor-driven belt conveyer 16. The frame work 13 is connected to a vertical supporting frame 10 by a ball and socket joint 11 so that the frame work can be swung laterally to either side or adjusted in inclination by means of a supporting cable 20. The sides of the vehicle A are provided with lateral supporting members 32, Fig. 4, having wheels 33 which run on auxiliary tracks 34 laid parallel with the main tracks C for the vehicles A.
Patent GB-265611-A (GB)
Title: Improvements in or relating to spring switch points, more particularly for tramway tracks
IPC: E01B7/06
Filed: 1927-02-04
Abstract: 265,611. Hesse Ges., E. Feb. 6, 1926, [Convention dale]. Point tongues, construction and mounting of.- The spring tongues of tramway points are rigidly held at their heel by teeth, projections, or wedges. The tongue a, Fig. 1, has teeth with oblique faces c entering similar notches in the guard rail b. The heel is secured by clamps and bolts d, one clamp g having an inclined face engaging a similar face f on the side of the tongue. The other clamps l, Fig. 3. engage oblique surfaces i, k, on the tongue a and foundation h. The tongue and guard rail also engage with oblique surfaces m or the usual fishing angle n. In a modification, Fig. 7, one bolt d carries a wedge q engaging oblique surfaces formed at the base of the tongue and the top of the foundation. In both constructions the track rail e is connected to the foundation and the guard rail by shearing bolts s.
Patent GB-456095-A (GB)
Title: A flexible device for the transmission of tension and pressure
IPC: F16C1/20
Filed: 1936-02-04
Abstract: 456,095. Bowden mechanism. HEINMANN, C., and ICICHMANN, P., (trading as EHRENREICH & CIE, A.), 190, Hansa- Allee, Oberkassel, D³sseldorf, Germany. Feb. 4, 1936, No. 3338. Convention date, Feb. 4, 1935. [Class 80 (iii)] [See also Group XXXI] In flexible devices for transmitting both pull and push, and consisting of spherical or like members separated by spacing members and maintained together by a cable, the spacing members consist of solid imperforate rod-like bodies. Within a guide casing 1 are spherical members 3 separated by the solid imperforate rod-like members 2 with rounded ends fitting in corresponding cavities in the members 3 recesses 5 in which accommodate the cables 6. The annular space 7 is filled with lubricant. In modifications, the cables (1) pass through holes in the members 3, (2) lie in adjacent recesses on one side of the members. In Fig. 7, rings of balls 11 act as spacing members, the cables 6 passing between the balls. Joints in the sleeve can be formed by a screw connection 21, Fig. 9. Means for connecting the cables to members 12, 18 are shown in Fig. 9. The cable may, at one end, be looped over a bolt 14 and gripped in a slot 16 in member 12 by tightening the bolt and, at the other end, one cable may be connected to a bolt 19 and the other wound, so that it may be tightened, over a bolt 20.
Patent GB-177651-A (GB)
Title: Improvements in electric switches
IPC: H01H21/42
Filed: 1921-01-28
Abstract: 177,651. Railing, A. H., Garrard, C. C., and Searle, A. F. Jan. 28, 1921. Addition to 132,936. Switches, quick-action.-The dead-centre quick make and break quick mechanism of the ironclad switch described in the parent Specification is modified by securing the lost-motion link to the guide bar, and guiding it on a guide pin, by employing a floating pivot instead of a fixed one for the end of the dead-centre link mechanism remotefrom the pivot of the actuating handle, and by operating from an intermediate pin instead of from the common pivot pin. As shown in Figs. 1 and 2, a slotted actuating-piece 2 is secured to the vertically-guided cross-bar H, and is itself guided by a vertical pin 3. One end of the spring is secured to a stirrup 5 fixed on the U-shaped link 4, which carries a through pin 6 engaged by the lost-motion operating-member Q<1>. The other end is secured to a pivot pin 9 common to the link 8 and to the additional link 10. The contact carrying member is held in the " off " position by bent spring members I. The fixed contacts are mounted on insulated square steel rods.
Patent GB-651735-A (GB)
Title: Improvements in or relating to photographic contact printing devices
IPC: G03B27/02
Filed: 1948-02-06
Abstract: 651,735. Photographic contact printers. GARROD, R. P. Feb. 6, 1948, No. 3466. [Class 98 (ii)] A photographic contact printer comprises a housing with a printing aperture in one wall thereof, rotatable spools or spool holders in the housing for feeding a light-sensitive film strip past said aperture, means adjacent said aperture for supporting said film strip, provision for enabling a negative film to be registered with said aperture and to be moved thereacross in a direction normal to the direction of movement of the film strip, and clamping means co-operating with said support for maintaining required parts of the light sensitive and negative films in contact. In the contact printer shown, the housing comprises removable end panels 4, 5 and two top panels 6, 7, the spacing between which defines the printing aperture. Beneath this aperture is a transparent platform 10 for supporting the lightsensitive film 11, which is fed from a supply spool 12 to a take-up spool 13 via a sprocket 14 by manual rotation of the take-up spool spindle which projects through one wall 2 of the housing. A negative film 17 is pressed into contact with the portion of film 11 on the platform by a masking plate 16 and spring- urged shoes 18, 19, hinged to the top panels 6, 7 respectively. Correct positioning of this mask is ensured by applying the mask on film 17 with a mark thereon uppermost and by moving the mask into a contact with a fixed stop 29. For indicating to an operator when film 11 has been moved through one frame, there are provided a click indicator comprising radial grooves 27 in an end face of sprocket 14, which are engageable by the inturned end of a spring blade 28 and a pointer 26 which is carried by the projecting sprocket shaft 15 and cooperates with index marks on the wall 2 of the housing. Resilient arms 24, 25 are provided to prevent inadvertent uncoiling of film 11 from the spools 12, 13.
Patent GB-347714-A (GB)
Title: Improvements in or relating to boxes of the slide-and-shell type
IPC: A45C11/24
Filed: 1930-02-01
Abstract: 347,714. Drawer-and-shell vanity cases. WORSSAM, G. S. and SAVILLE PERFUMERY, Ltd., Junction Laboratory, Watford, Hertfordshire. Feb. 1, 1930, No. 3500. [Class 18.] A drawer-and-shell vanity case of the type having a hinged covering flap on the drawer which can be raised when the drawer is partially withdrawn, has a detachable tray within the drawer to hold a powder compact and a puff. A case comprises a drawer 11, Fig. 5, slidable into a shell 10 against the action of a spring and a plunger 25, and the drawer can be locked in the shell by a catch 23 which is sprung over a lip on the mouth of the shell. The spring and plunger also serve to hold a detachable tray 19 in the drawer. On release of the catch 23 the drawer flies open and a spring controlled, hinged flap 12 covering the tray 19 also opens. The flap 12 may constitute, or be provided with a mirror, which latter may be on a circular boss on the flap and form a counterpart to the tray 19, so that when closed down, it will compact the powder in the tray. This boss may hold a puff. In another example, Fig. 2, the wings of a spring 21, held in by a tab on the spring controlling the flap 12, press on the vertical wall of the tray so that the other end of the upper surface passes under a head piece 17, but the spring 21 may be placed under the piece 17 and the inner end of the tray, held under lugs on the sides of the drawer. The drawer may be manipulated by lugs 18, and guides 14 in the drawer co-operate with stops in the shell to prevent the drawer coming out too far. According to the Provisional Specification, the tray may comprise a top plate apertured to receive a dished portion; and the catch 23 may comprise a hinged cover with a hook or clip.
Patent GB-246320-A (GB)
Title: Improvements in or relating to indiarubber stamps
IPC: B41K1/10
Filed: 1925-02-07
Abstract: 246,320. Rafford, J. K. Feb. 7, 1925. Hand - stamps. - In hand-stamps comprising rubber type-bands carried by rollers c and a support at the lower end of the frame, as described in Specification 189,195, the support is constituted by rollers 5 - - 8 which are arranged in pairs or parallel shafts 4, one pair being provided for each band. The shafts are fixed by their squared ends in a block 1 provided with notches 2 into which the sides of the frame are inserted. A washer 9, carried on the shafts 4, is provided between each pair of rollers.
Patent GB-811453-A (GB)
Title: Improvements connected with automatic batch weighing apparatus
Inventor: TERRY FRANCIS SIEVWRIGHT
IPC: G01G13/00
Filed: 1956-02-04
Abstract: 811,453. Automatic feed weighers. AVERY Ltd., W. & T. 'May 6, 1957 [Feb. 4, 1956], No. 3550/56. Class 143 In an automatic feed weigher, the feed gate 9 is opened by a mechanism comprising an oscillatabler crank 15 coupled to the gate by a pair of interengaging dogs (not shown), a connecting rod 16 a crank shaft 17 driven by an electric motor 18 and a switch 20, operated by an abutment 19 on the driven dog, which stops the motor after each complete oscillation of crank 15. During the return half of each oscillation the gate is retained in its open position by a catch 21, 22 which is released by a solenoid 25 when a predetermined weight of material has accumulated in the weighing receptacle -(not shown). When closed the gate is vibrated by an electromagnet 12 to effect a dribble feed; final cut off being effected by the release of a second gate 30 by a solenoid 31. Counterweights 26, 28 assist opening of gate 9.
Patent GB-730996-A (GB)
Title: Improvements in floor cleaning appliances
IPC: A47L13/257
Filed: 1953-02-10
Abstract: 730,996. Rubber pads; squeegees. FARADAY, J. B. Feb. 9, 1954 [Feb. 10, 1953], No. 3681/53. Class 19. A floor cleaning appliance comprises a rubber pad A mounted in a holder B and absorbent rubber inserts or portions a<SP>1</SP> in the face of the pad for applying or removing water during the cleaning operation. The inserts may be made of sponge rubber or when the pad is made of the closed cell type of sponge rubber absorbent portions may be formed by drilling into the base.
Patent GB-404814-A (GB)
Title: Improvements in and relating to tobacco pipes
IPC: A24F5/10
Filed: 1933-02-07
Abstract: 404,814. Tobacco pipes &c. NUTT, H. Y., Pembury House, Radlett Park, Radlett, Hertfordshire. Feb. 7, 1933, No. 3720. [Class 130.] A cover for the bowl of a tobacco pipe or of a cigar or cigarette holder comprises a cover portion 7 carried by a leg 8 extending down the outside of the bowl and pivoted at 10 thereto ; the leg has a flat inner face fitting a flattened face 11 of the bowl, and its outer face is preferably rounded to complete the usual contour of the bowl. As shown, the cover is perforated at 12 and an annular air space 13 is provided between the bowl and the cover. The cover may be formed with a depending rim or with a dished interior or with both. The pivot 10 is placed eccentrically to the vertical axis of the bowl in order that the cover may clear the edges of the bowl when tilted. A stop 14 on the bowl or the cover prevents the cover from being swung over the front of the pipe ; the stop may be a detachable metal or other pin, plug &c. In modifications, (1) the cover is provided with a pair of legs, one on each side of the bowl, and may swing laterally instead of down on to the pipe stem ; (2) the cover is carried by a single leg which is hinged instead of pivoted ; (3) the cover has an inclined face fitting a corresponding upper face of the bowl ; and (4) cool air is admitted to the bowl through vents near the bottom of the bowl ; the vents may be covered by the legs 8, which may have grooves or holes communicating with the vents.
Patent GB-363211-A (GB)
Title: Improvements in and connected with all classes of spades and shovels
IPC: B25G3/02
Filed: 1931-02-06
Abstract: 363,211. Spades &c. JARVIE, J., Barblues Cottage, Plains, near Airdrie, Lanarkshire, and WOLFE, T., The Elms, Bathgate, Linlithgowshire. Feb. 6, 1931, No. 3760. [Class 61 (i).] Fixing by langet sockets.-The blade B of a spade &c. and the front strap are formed in one piece cut from sheet steel, and the separate back strap D is riveted to the blade B by rivets E, F, G and through the shaft A to the front strap by rivets H, I. Specification 282/82, [Class 61, Hand tools &c.], is referred to.
Patent GB-1176001-A (GB)
Title: Improvements in and relating to Electrophotography.
IPC: G03G9/12
Filed: 1967-01-25
Abstract: 1,176,001. Electro-photographic processes. FUJI SHASHIN FILM K.K. Jan.25, 1967 [Jan.27, 1966], No.3778/67. Heading G2H. An electro-photographic method by which an electro-photographic member may charged with either polarity irrespective of its preferred charge polarity includes applying to a photo-conductive layer an insulating liquid having a di-electric constant less than 5 which does not dissolve or swell the photo-conductive layer, before charging. Suitable liquids are stated to be apliphatic hydrocarbons, fluoronated hydrocarbons, chlorofluoronated hydrocarbons, polymethyl siloxanes and polar liquids such as ketones and esters. In one example (Example 1) an electrophotographic sheet prepared from a paper base coated with zinc oxides, epoxyester, and cobalt naphenate was partly covered with kerosene. The sheet was charged negatively and exposed to a light image and the latent image produced was developed with developer comprising carbon black disposed in kerosene to form a visible image. In another example (Example 2) the charging was positive instead of negative. A visible image resulted at the area covered with kerosene. In a further example (Example 3) the liquid developer consisted of cyanine green, kerosene, soya oil, and cyclohexane.
Patent GB-736683-A (GB)
Title: Improvements in and relating to electrical plug and socket coupling devices
Inventor: HEATH CLARENCE WILLANS
IPC: H01R13/74
Filed: 1952-02-13
Abstract: 736,683. Two-part couplings. CARR FASTENER CO., Ltd. Feb. 4, 1953 [Feb. 13, 1952], No. 3883/52. Class 38 (1). In order to ensure efficient earthing of the metal shell of the plug of a plug-and-socket coupling suitable for television aerials, the cooperating socket (or the shell itself) is formed as a split flexible metal sleeve which is movably mounted on a support and normally of smaller (or larger, in the case of the shell) diameter than the co-operating part so as to expand (or contract) when the two are coupled together. As shown, the socket sleeve 1 is a loose fit in an aperture 8 in the upper, 5, of three plates 5 ... 7 constituting the socket support, the sleeve being retained by lugs 4 between plates 5, 6 and having an earth contact 9. The normal socket contacts 10, 11 are retained between plates 6, 7 by lugs 10a, 11a. In Fig. 4, the sleeve has pips or a rib 12 engaging corresponding formations on the plug shell, and lugs 4a held loosely between a pair of plates 5a, 6a, the single contact 13 being turned over the plate 6a at 14. The Provisional Specification states also that the edges of the slit 2 may be formed on the cutting edges and turned slightly inwards, and that the plates supporting the sleeve may be replaced by a moulded member and single plate or a moulded member alone having recesses for the sleeve and contacts.
Patent GB-142873-A (GB)
Title: Improvements in gun mountings
IPC: F41A23/06
Filed: 1917-03-19
Abstract: 142,873. Allen, R. March 19, 1917. Mountings for use on aircraft.-Relates to telescopic pillars for mounting machine guns on aircraft, and consists in improved means for clamping the two parts of the pillar together, and the combination therewith of a joint at the upper end of the pillar permitting the gun to be swung through a considerable are about the horizontal axis of the joint. As shown in Fig. 2, the upper part b of the pillar, which slides within the fixed lower part a, is clamped thereto by segmental shoes c<6> pressed against the part b through slots in the part a by a band c which is tightened by means of a cam-lever h. This lever is pivoted at h<1> within the slotted end c<4> of a bolt c<2> which passes through lugs c<1> at the ends of the band c. When the lever is drawn down, as shown, through a rod g by a treadle f, which can slide over the fixed part a nf the pillar, but is prevented from rotating by a feather i, the band c springs open or is opened out by a spring interposed between the lugs c', and the upper part b of the pillar is free to be moved. To clamp the pillar, the treadle is released; a spring j attached to the lever h then swings it up round its pivot h<1>, pressing a bridgepiece c<5> against one lug c<1> and the head c<3> of the bolt c<2> against the other lug c<1>, so that the band is tightened and the shoes c<6> made to grip the inner part b of the pillar. In addition to the spring j, a separate spring may be attached to the treadle f to raise it when released. The movable part b of the pillar is supported by springs situated within the pillar, to balance the weight of the gun, as described in Specification 143,578. The upper end of the movable part b has a tubular cross-head b<1>, Fig. 5, over which turns a sleeve b<4> provided with arms b<2> for carrying the gun. The sleeve b<4> is clamped and unclamped by means of shoes b<3> fitting slots in the tubular cross-head b<1> and operated by cones b<5> controlled by a spring b<7> and by a cam-lever k similar to the cam-lever h described above. In a modification, the cone clutch just described is replaced by a disk clutch.
Patent GB-277555-A (GB)
Title: Improvements in apparatus for raising beer
IPC: B67D1/16
Filed: 1927-02-14
Abstract: 277,555. Rogers, F. H., (Roskothen Patent Bierarmaturen Ges.). Feb. 14, 1927. Direct gas pressure apparatus, non-automatic. -Arrangements for ensuring a uniform return flow to the barrel of beer trapped in the rising pipe at the conclusion of a draw-off comprise a pipe 11 branching from the main pipe 9 which connects the carbon-dioxide cylinder 7 with the top of the barrel 6, a reducing valve 8 and an equalizing check valve 14 being interposed in the length of the pipe 9 and a screw-down admission valve 13 and a non-return valve in the pipe 11. The equalizing-check valve comprises a flexible disc 19, Fig. 3, with a control aperture associated with a rigid disc 20 having a curved face adjacent to the rubber disc and apertures out of alignment with. the aperture in the flexible disc. The admission valve is shown in Fig. 6. The valve body has a central duct 25 controlled by a screw-down valve 26 and in communication with a space 31 from which leads a second duct 32, Fig. 7, in communication with a duct 34 leading to the rising pipe. The duct 25 is additionally controlled by a valve 29 operated by the screw-down member 30. In operation, at the end of a tapping operation the admission valve 13 is opened and the carbon dioxide returns the beer in the rising pipe to the cask. As the beer is returned, the gas pressure above the liquid in the cask 6 rises, and tends to check the steady return of the beer, but this tendency is obviated by the action of the equalizing check valve which ensures that the gas pressure which exists above the liquid in the cask is communicated past this valve and the admission valve 13 to the duct 11.
Patent GB-747131-A (GB)
Title: An improved electric insulator for high and low voltages
IPC: H01B17/42
Filed: 1954-02-15
Abstract: 747,131. Insulators. RHEINISCH-WESTFALISCHE ISOLATOREN - WERKE GES. Feb. 15, 1954 [Feb. 18, 1953], No. 4339/54. Class 36. In an insulator 1 having sheds 6, the peripheral surface of the shank between the sheds is provided with annular, sharp-edged projections 7. The depressions 8 between the projections preferably have rounded bases, and each shed 6, which may be of greater diameter than the annular projections 7, is preferably provided with a rounded drip edge 10. The insulator may be coated. with a water-repellant glaze or lacquer.
Patent GB-871164-A (GB)
Title: Method for the production of mortar, concrete and prefabricated elements made of concrete
IPC: C04B28/02
Filed: 1958-02-11
Abstract: In the production of mortar, concrete, and like building material, thin-walled elements of clay not thicker than twice the thickness of the crust formed on baking the clay, are baked and crushed, and the resultant aggregate of fragmented granular and powdered clay is mixed with cement.  The aggregate may be predominantly in granular or powdered form, and in compounding the mortar, preferably the fragmented and granular clay fractions are saturated with water, and incorporated into the paste formed by adding water to a dry mixture of the powdered clay fraction and cement; the resultant mortar, which may also include other aggregate, e.g. sand, may be moulded or cast into elements which may be shaped by cutting, e.g. using cutting discs.