baber/WOPTO huggingface dataset:
Patent GB-699169-A (GB)
Title: Improvements in or relating to rotary valves for internal combustion engines
IPC: F01L7/02
Filed: 1952-04-07
Abstract: 699,169. Lubricating valves. BOORER, A. April 7, 1952. No. 8870/52. Classes 7 (ii) and 7 (vi) The casing of, a cylindrical rotary valve is provided with a bush or bushes which encircle the valve and are made of porous material of coalesced particles of metal, carbon or graphite, and means are provided for feeding lubricant to some part of the outer surface of the bush or bushes. The bushes may be made of sintered bronze, and lubricating oil, preferably from the engine sump, is fed for example to recesses in the valve casing adjacent the outer surfaces of the bushes. The rotating valve member may be formed with a hardened surface, and a single bush may extend along the whole length of the valve. The invention is particularly. applicable to engines such as are described in Specifications 566,416, 566,450, 586,703 and, 587,332, comprising rotary inlet and exhaust valves sealed from the engine cylinder by a master poppet valve, in which at least the exhaust valve may be provided with the porous bush.
Patent GB-255382-A (GB)
Title: Improvements in or relating to packings for turbine shafts and the like
IPC: F01D11/00
Filed: 1926-04-06
Abstract: 255,382. Hall, G. C. April 6, 1926. Stuffing-boxes, substitutes for; draining.-In packing for a turbine shaft a sleeve 7 on the shaft is pressed against a semental carbon ring 3 contained in a recess in the cover. Rotation of the ring is prevented by a dowel pin 6 and holes 14 are formed in the cover to facilitate removal of the ring. The sleeve 7 is pressed axially by springs 12 acting on rods 13, rotation of the sleeve being .prevented by a pin 8. Leakage is ejected through radial holes 11.
Patent GB-513940-A (GB)
Title: Improvements in and relating to horn type loud speakers
IPC: H04R1/28
Filed: 1938-03-25
Abstract: 513,940. Loud-speakers. THORNTON, A. A. (Philco Radio & Television Corporation). March 25, 1938, No. 9209. [Class 40 (iv)] The baffle structure, which is preferably separate from the cabinet, comprises horizontally staggered members 6, 7 connected by vertical L-shaped members 8, 9 and a vertical board 10 which supports the loud-speaker unit 11. The volumes of the successive chambers a, b, c, d, e increase in exponential manner and the final chamber e may accommodate a wireless receiving set 13 and batteries 14, 15, 17, the actual volume of the chamber e being increased so that its effective volume is correctly related to that of the chambers d. The batteries 14, 15 may have oblique faces 16 to produce a flared outlet for part of the mouth of the horn structure simulated by the baffle structure. The Specification includes dimensions of a cabinet and of the members of the component baffle structure.
Patent GB-551616-A (GB)
Title: Improvements in washing agents and in the manufacture thereof
IPC: C11D1/00
Filed: 1941-07-22
Abstract: 551,616. Washing compositions. LEVER BROS. & UNILEVER, Ltd., THOMAS, R., and BROWN, C. B. July 22, 1941, No. 9241. [Class 91] Non-soapy washing agents comprise a mixture of non-soapy detergents of the class in which sodium chloride or sulphate is produced during their manufacture, the chloride or sulphate being removed therefrom, together with an alkali metal carbonate, silicate, or orthophosphate or a mixture of such salts, the ingredients being present in the proportion of 1 part by weight of the de-salted detergent to “-4 parts by weight of the carbonate &c. The class of non-soapy detergent concerned comprises the sodium salts of a sulphonated or sulphated fatty alcohol, or of a condensation compound of isethionic acid. taurine, sarcosine or metaniline with a primary or secondary alkyl or allyl radical or a fatty acid acyl radical. In practice the sodium chloride or sulphate content may only be reduced, such as by alcohol extraction, to below 10 per cent. and preferably below 5 per cent. The preferred mixtures contain for one part by weight of the de-salted detergent from one to two parts by weight of the specified alkaline salts, calculated as anhydrous salts. The alkalinity of the resultant washing agent is adjusted so that a 0.1 per cent. by weight aqueous solution will have a pH of 8.5 to 11.5. In examples, the de-salted non-soapy detergents comprise the material known under the Registered Trade Mark "Gardinol" R, i.e., mainly the sodium salts of C 12  to C 14  fatty alcohol sulphates, sodium lauryl sulphate, and the sodium salt of the condensation product of palm kernel oil fatty acids with methyl taurine. The Provisional Specification also specifies that the carbonate may be a bicarbonate or sesquicarbonate, the silicate may be ortho- or meta-; and the alkali metal salts may include ammonium salts. Specifications 352,989 and 449,169 are referred to.
Patent GB-1164762-A (GB)
Title: Improvements in photographic lens systems
Inventor: SCHLEGEL FRANZ
IPC: G02B13/16
Filed: 1968-02-26
Abstract: 1,164,762. Photographic objectives. R. RODENSTOCK [trading as OPTISCHE WERKE G. RODENSTOCK]. Feb.26, 1968 [March 25, 1967], No.9264/68. Addition to 1, 012, 524. Heading G2J. In an objective of focal length f, as in the parent Specification, wherein a convergent cemented meniscus having a divergent cemented surface r6 whose absolute refracting power is at least 2% of the overall refracting power of the objective, and the refractive indexes on the two sides of the surface r6 differ by at least 0À06, is followed by a divergent meniscus with a convergent cemented surface of radius rg which is less than f, the refracting power of the surface being at least 5% of that of the objective, and this is followed by a cemented doublet, (a) the front member is split into two converging singlets, (b) the rear doublet is followed by a plate which may be an image tube or a filter, and (c) most of the elements use glasses of higher refractive index than in the example given in the parent Specification. Optical data are given for the example shown.
Patent GB-1463366-A (GB)
Title: Chromatography device
IPC: G01N30/38
Filed: 1974-03-01
Abstract: 1463366 Chromatography ROUSSEL UCLAF 1 March 1974 [1 March 1973] 9363/74 Heading B1H A chromatography device comprises a tube intended to contain a support of adsorbent material, a detachable cover for one end of said tube, said cover being permeable to liquids and to gases and providing in use, communication between the exterior and interior of said tube, and a body slidable along the axis of the said tube, said body being permeable to liquids and to gases and providing, in use, communication between the exterior and interior of said tube, means being provided for exerting on said slidable body a force urging it along the tube so as to exert on a suspension of support material contained in the tube a pressure sufficient to compact the support material to the consistency of a solid body and to maintain this force in use and, if desired, to push this body out of the tube once the detachable cover has been removed. The adsorbed materials may be conventionally eluted and identified or alternatively the device may be used to expel the bed of adsorbent which may be examined e.g. in UV light to identify the bands of material and then cut into appropriate pieces. The use of glass or stainless steel tubes with silica gel adsorbent is referred to
Patent GB-1456484-A (GB)
Title: Adjustable ball-and-socket joint
IPC: F41A27/08
Filed: 1975-03-06
Abstract: 1456484 Lockable ball and socket joints SARMAC SA 6 March 1975 [5 April 1974] 9408/75 Heading E2F A ball and socket joint comprises a ball member located between two clampable jaws and includes a part spherical cup between one of the jaws and the ball; first guide means being provided to allow relative movement between the jaw and the cup only in a first plane, and second guide means allowing relative movement between cup and ball only in a second plane at right angles to the first plane. The joint is particularly suitable for mounting equipment (e.g. optical equipment, rocket launching apparatus) which needs to be levelled before use and allows independent, orthogonal, adjustments to be made. As shown in Fig. 1 a ball 1 is secured to a tripod or stand 2 and has two jaws 5, 6 mounted about it. A cup 23 is located between jaw 6 and the ball and is formed with perpendicular channels 24, 26 which are engaged respectively by pins 25 projecting from the jaw 6 and a square end portion 29 of a rod 27 projecting from the cup. The cup may be adjusted in position relative to the ball in the plane defined by the channel 26 and then clamped in position by the action of nut 31 on the rod 27. Finally the jaw 6 is adjusted in the plane defined by the channels 24 and the jaws are clamped in position by adjustment of a fixed element 17 and a movable element 18 on spindle 14 which have opposed ratchet faces-rotation of element 18 causing the elements to move forward and away from each other. A cylindrical upper portion of the jaw 6 provides a bearing for an apparatus 10 and an adjusting screw 50 on the apparatus engages a threaded region 51 of the portion 11. In a modification (Fig. 2, not shown) a compression spring acts between the nut 31 and the ball to introduce some frictional restrain between cup and ball. In the modification shown in Figs. 3, 4 the locking action of the rod is dispensed with and the frictional restraint only is retained by means of spring washer 34. The clamping of the jaws 5, 6 serves to lock cup to ball as well as jaw to cup. The guide function of slot 26 can be carried out by other interengaging parts (Figs. 5, 6 not shown). In the embodiment shown in Figs. 11, 13 the two orthogonal planes of adjustment are defined by slots 24, and 48 formed in cup and ball respectively and engaged by pins 25 and 49 projecting from jaw and cup. Alternatively the positions of the slots and the pins could be reversed.
Patent GB-1032043-A (GB)
Title: Bag
IPC: A61M5/14
Filed: 1963-03-08
Abstract: 1,032,043. Plastics bags. ABBOTT LABORATORIES. March 8, 1963 [March 9, 1962], No. 9417/63. Heading B8K. [Also in Division A5] A bag 8 adapted to contain liquid, e.g. blood, comprises two flexible bonded sheets, e.g. made from polyvinyl chloride, an outlet 16, and a transverse stiffening tab 10 secured to a permanently closed upper end of the bag body. At least one of the sheets is transparent and has graduations 24 thereon. The tab which includes an aperture 29, comprises two portions 26, 27 bonded to the upper edge 21a of the bag body, which is scalloped or slit to prevent the upper part of the bag warping. The bag is filled through a conduit 15, and when filled that conduit is sealed. Liquid is also dispensed from the bag via the conduit. In further embodiments the tab may comprise a single portion bonded between the flexible sheets, or to one side of the flexible sheets. The tab may also be perforated to form two portions, one of which is adapted to bear suitable indicia. Alternatively, the tab may be secured to the bag body. by stitching or stapling. Materials for the tab include cardboard, plastics, or metals.
Patent GB-1424867-A (GB)
Title: Conveyor device
IPC: B65G19/02
Filed: 1973-02-26
Abstract: 1424867 Roller conveyers I ZURLO 26 Feb 1973 9419/73 Heading B8A Pallets 3 on roller tracks 9, 10 are driven by a chain 1 provided with one or more carriers having pivotable jaw members 2 which grip an element 4 at the front of a pallet. The chain 1 also has a lever device 5 which by a control chain 7 and a latch 8, is able to cause the jaw members 2 to open. Disengagement of a pallet element 4 by the members 2 occurs when the lever device 5 engages a cam element 6 or when it engages a preceding pallet.
Patent GB-393727-A (GB)
Title: Improvements in or relating to safety razors
IPC: B26B21/18
Filed: 1932-04-01
Abstract: 393,727. Safety razors. MOHRENWITZ, F., 19, Untermainkai, Frankfort-on- Main, Germany. April 1, 1932, No. 9452. [Class 30.] The blade-clamping plate s is held down by a hook-shaped retaining - member r which passes transversely through the tubular handle rr to engage a notch in the clamping - stem nn. The retaining-member is released by pressing a button k against the pressure of a spring i and may be non-adjustable or be engaged by the end of a plunger xx which carries an adjusting nut at the end of the handle to vary the blade-exposure. The retaining-member r passes through slots in the handle to permit this adjustment. In the form shown in the Figure the one-sided pressure of the spring i causes the stem nn to assume an oblique position to give the blade z a different exposure on each edge.
Patent GB-993809-A (GB)
Title: Improvements relating to suspended filing systems
Inventor: WRIGHT LEONARD STANLEY
IPC: B42F15/00
Filed: 1963-03-09
Abstract: 993,809. Filing papers. SANKEY - SHELDON Ltd. March 9, 1964 [March 9, 1963], No. 9453/63. Heading B6E. In a filing appliance for papers &c. in which filing pockets 3 have bars 4 fitted on their upper portions to seat on suspension rails 1, 2, unintentional disengagement of the bars from the rails is prevented by providing flanges, such as 8, 14 which partially overlap the ends 5 of the bars 4, and at least the flange 14 can be displaced by a lateral sliding action away from its operative position against spring- biasing means. As shown, the rail 1 is U- shaped and has one end bent upwardly to provide a support 7 for the hook-shaped end 5 of the bar 4, and the other end 8, extends above the bar end 5. The rail 2 consists of two nested U-shaped channels 9, 10, the channel 10 being fixed and the channel 9 being urged to the position shown by an interposed leaf spring 13, whereby the upper flange 14 of the channel 9 prevents upward displacement of the end 5 of the bar 4. The bar 4 is supported by a part 12 on the channel 10, and can be removed by pressing the inner channel 9 towards the channel 10. If desired, both suspension rails 1, 2 could incorporate a laterally displaceable channel 9.
Patent GB-592100-A (GB)
Title: Improvements relating to the production of metals by condensation of their vapours
IPC: C22B5/16
Filed: 1945-04-17
Abstract: 592,100. Distilling metals ; magnesium. SOC. D'ETUDE POUR L'INDUSTRIE DU MAGNESIUM. April 17, 1945, No. 9568. Convention date, May 5, 1944. [Class 82 (i)] [Also in Group XXVI] Apparatus for the production of metals by condensation of their vapours comprises a chamber 2, capable of being subjected to rotational or oscillatory movement, in which the metal vapours are liberated and a stationary chamber 3 in which the metal vapours are condensed, the said chambers communicating with one another and being subjected to the same condition of vacuum. A tight joint or seal is established at the gap 4 between the two chambers by a fluid-tight packing 9 located between plates 10a, 11a secured one to the movable chamber and one to the stationary chamber so as to leave a substantial space between the packing and the gap 4. The space may contain means 15 for masking the gap 4 from the fluid-tight packing, and inert gas may may be introduced into the hollow space through tube 13 to prevent the passage of metal vapours into the joint. The movable and stationary parts may be centred upon each other, for example by rolling means 17, and in order to reduce the strain on the centring- means the stationary chamber may be maintained in position by an elastic suspension, such as springs 19, and, further, a gap 20 may be arranged between the stationary chamber and its supply conduit, which gap is protected by means such as flexible metal bellows 21. The Specification refers to the production of magnesium by reduction of magnesiumcontaining materials.
Patent GB-235843-A (GB)
Title: Improvements in or relating to clockwork-operated fuses for projectiles
IPC: F42C9/04
Filed: 1925-04-09
Abstract: 235,843. Pollak, J. E., (Tavannes Watch Co. Soc. Anon.). April 9, 1925. Balances, balance springs, and balance regulators; escapements. - Clockwork projectile fuzes are made with dead-beat escapements in which the axis 7 of the balance and the axis 2 of the escapement wheel 5 are at right angles to one another, and in which each rest is determined by the contact of the point of a, tooth of the escapement wheel on a shoulder 6 secured to the shaft 7 of the balance. As shown, the balance is connected by a bevel gear 15, 17 to a transverse spindle 18 attached to a coil spring 21 transversely disposed, and mounted and regulated as described in Specification 235,841. The balance comprises weights 13 at the end of arms 12, which are supported against inertia at the moment of discharge by a fixed plate. 14. The spindle 7 of the balance is in the axis of the fuze, and the spindle 2 of the escapement is disposed transversely; but this arrangement may be reversed. The escapement, Fig. 2, is a double wheel of the " Garnier " type, in which the impulses are given to shoulders 6 by the inclines of the teeth of the wheel 5; to facilitate the release, of the teeth, the shoulder 6 is slightly inclined at 9 towards its end. The escapement, Figs. 8 and 9, has a single wheel 40, the teeth of which after resting on a shoulder 41 on the spindle 7 escape through a gap 43 and strike a wedge 42 driving the spindle alternately in one direction and the other. Escapements of the following similar types are also described, namely : the " Debaubre," " Sully," " Enderlin," " Le Roy," and " Samuel " types. Specification 235,846 also is referred to
Patent GB-102230-A (GB)
Title: Improvements in Power Cutter.
Inventor: VOLESKE JOHN
IPC: B23D29/02
Filed: 1916-07-08
Abstract: 102,230. Voleske, J. July 8, 1916. Rod cutters.-Relates to a power cutter of a portable kind for cutting wire cables, iron bars, &c. by hand, and which can be operated by one man.. Two handles or levers 1, 3 having cutting- jaws 1<1>, 3<1> are pivoted together at 4, the lower lever 1 being partly supported on a rotatable foot 2. A cable 7 attached to the outer end of the lever 3 passes round pulleys 8, 9, 10 and a drum 5 all journaled between the levers and attached side plates 1<a> and 6. A handle 5<a> serves to wind up on the drum 5 any slack in the cable, and a ratchet-wheel 11 on the same shaft is operated by a pawl 13 on a hand-lever 12 when the cutting is to be done. Another pawl 14 controlled by a spring 15 prevents backward motion of the ratchet 11 unless locked in a disengaging position by a lever 16. A spring 17 mounted on the jaw member 1<1> engages under a pin in the lever 3 and keeps this lever normally raised and the cable taut. A piece 19, adapted to hold in position the cable or bar being cut, is pivoted at 4 and can be adjustably held in different positions by a ratchet bar 20 and spring 21, a guard-piece 22 protecting these parts.
Patent GB-1267442-A (GB)
Title: Process for vacuum metallizing
Inventor: DICKINSON THOMAS EWART
IPC: C23C14/04
Filed: 1969-02-22
Abstract: 1,267,442. Metallizing hollow articles. DIBRO Ltd. Jan.1 1970 [Feb.22, 1969], No.9636/69. Heading C7F. A hollow plastics article is placed in an enclosure, which is evacuated, thereby simultaneously evacuating said article, and a source of volatizable metal is evaporated within said article whereby to coat the inner surface thereof. The article may be a Christmas tree bauble, bottle, or jar, of plastics, e.g. transparent PVC, and the coating metal may be Al, Cd, Cr, Cu, Sn, Ag, or Zn, preferably Al evaporated from an electrically heated W spiral.
Patent GB-1450156-A (GB)
Title: Roller for perforating web material
IPC: B26F1/24
Filed: 1973-02-27
Abstract: 1450156 Perforating apparatus ROBERT FLETCHER & SON Ltd 22 Feb 1974 [27 Feb 1973] 9638/73 Heading B4B A perforating roller 14, e.g. for perforating cigarette paper, comprises a wire 12 wound helically thereon and being provided with teeth 13, the distance between the helices being determined by a spacing wire 15. The perforating roller is arranged to cooperate with a plastics-covered backing roller, a paper web being fed between the two rollers. The depth of penetration of the teeth on the roller 14 can be adjusted by weights arranged to act on the ends of the roller. The pattern of perforations produced by the teeth can be varied by grinding away selected teeth or by varying the width of the spacing wire 15.
Patent GB-371146-A (GB)
Title: Improvements in the method of stretching or elongating woven and like fabrics
IPC: D06C21/00
Filed: 1931-03-31
Abstract: 371,146. Stretching fabrics. WRIGLEY, J. H., Douglas House, Worthington, MELVILLE, A., 42, Chorley Road, Standish, both near Wigan, and HENSHILWOOD, A. B., 89, -Upper Rushton Road, Thornbury, Bradford, Yorkshire. March 31, 1931, No. 9679, [Class 100 (i).] In a process for stretching woven and other fabrics, the fabric after having all creases removed by a stretching roller 15 is engaged with the unstretched part of a rubber &c. belt 2 kept in engagement therewith by a pressure plate 18 and is stretched longitudinally when the belt reaches the curved part of its path round the roll 4. The fabric may be moistened by steam &c. from a pipe 30 and fixed in its stretched state by the polished press plate 18, which may be heated. The apparatus constitutes the subject-matter of Specification 372,803.
Patent GB-351537-A (GB)
Title: Improvements in or relating to power presses
IPC: F16D43/26
Filed: 1930-03-27
Abstract: 351,537. Operating clutches. BRITISH UNITED SHOE MACHINERY CO., Ltd. and BONSER, E. F., Union Works, Belgrave Road, Leicester. March 27, 1930, No. 9737. [Class 80 (ii).] In a press, more particularly for cutting boot soles, a rod 9 is moved laterally to engage clutch members 4, by a cam 8 attached to the reciprocating head 2, through resilient means 16. A member, bolted to the rod 9, houses a spring engaging a lever 18 carrying a bowl 20. As the cam 8 becomes operative on the descent of the head 2, pressure is applied to the clutch rod 9, through the spring. Specification 5896/12, [Class 80 (ii), Gearing, Variable-speed &c.], is referred to.
Patent GB-312749-A (GB)
Title: Improvements in or relating to spectacles, eyeglasses, and the like
IPC: G02C5/12
Filed: 1928-03-31
Abstract: 312,749. Kirk, P., and Kirk, S. M., (trading as Kirk Bros.). March 31, 1928. Spectacles. - The bridge piece or the spectacle frame is provided with rearwardly projecting arms adapted to support the placquets in any of a plurality of positions on the arms. Each rearwardly extending arm b is provided with a number of holes or notches so that the placquets may be secured, e.g. by staples h, in one of several positions. The attachment may be such as to permit a certain amount of rocking in one or two dimensions. When notches are made in the arms the staples are inserted in a vertical position.
Patent GB-357990-A (GB)
IPC: B01D46/24
Filed: 1930-06-30
Abstract: 357,990. Filters for gases. WITTEMEIER, H., 11, Bismarck Allee, Grunewald, Berlin.-(Assignee of Deutsche Luftfilter- Bauges. ; 11, Schweidnitzerstrasse, Hallensee, Berlin.) June 30, 1930, No. 9883/31. Convention date, July 20, 1929. Divided on and addition to 355,431, under which a Specification was laid open to inspection under Sect. 91 of the Acts, July 1,1930. [Class 8 (ii).] A filter of the type described in the parent Specification is formed of a roll of two layers a<1>, a<2>, of expanded metal, the slots of one layer being oppositely inclined to those of the other layer.