baber/WOPTO huggingface dataset:
Patent GB-386974-A (GB)
Title: Improvements in shock absorbers
IPC: F16F9/14
Filed: 1931-07-24
Abstract: 386,974. Hydraulic shock-absorbers. GABRIEL CO., 1407, East 40th Street, Cleveland, Ohio, U.S.A. July 24, 1931, No. 21216. Convention date, March 17. [Class 108 (iii).] In an hydraulic shockabsorber of the oscillating type in which the flow of liquid in one direction is regulated by a thermostatically controlled valve which compensates for changes in the viscosity of the liquid due to changes of temperature, a self-aligning connection is provided between the thermostat and the valve. Fig. 2 shows a section on the axis of the shaft 18, Fig. 3 a section at right-angles to the axis and Fig. 4 a section on the line 4-4 of Fig. 3. The vane 19 oscillates within a chamber formed by the cylindrical casing 2, the end 4, the closing partition 12a and the radial partition 11. The parts 12a, 11 are formed out of a solid block which also includes the outer cover 14 and the bearing for the shaft 18, a reservoir 13 for oil being arranged between the cover 14 and the partition 12a, and communicating with the working chamber through a one-way valve 23. The radial partition 12 is in two parts with an intermediate chamber 26 which is engaged by a projection 25 secured to the casing to prevent rotation of the partition. When the vane 19 moves in an anticlockwise direction, liquid flows through the passage 33, the port 33a, and a throttling orifice controlled by the piston valve 43 into the chamber 26 from which it passes freely through the port 29 to the other side of the vane. The slide valve is adjusted automatically, to vary the throttling orifice, by a bi-metallic thermostat 45 one end of which is connected to the piston valve by a ball joint on the end of the screwed stud 56. The fixed end of the thermostat 45 is held firmly but rotatably by a screw 47 which may be adjusted in or out by means of the head 46e when the plug 28 is removed. The piston valve uncovers, as required, a T-shaped slot 38, 38a formed between the two parts 36, 37 of the tubular guide, shown also in Fig. 6. Specification 385,655 is referred to. The Specification as open to inspection under Sect. 91 comprises also a one-way ball valve 32, shown also in Fig. 9 (Cancelled), which allows practically free flow of liquid when the vane moves in a clockwise direction, and is guided by a triangular spider 61 to prevent lateral movement and noise. This subjectmatter does not appear in the Specification as accepted.
Patent GB-319444-A (GB)
Title: Manufacture of synthetic resins
IPC: C08G10/02
Filed: 1928-07-23
Abstract: 319,444. Morgan, G. T., and Harrison, H. A. July 23, 1928. Synthetic resins are obtained by condensing a condensed hydrocarbon of the type containing one or more unreduced benzene rings and also a fivemembered hydrocarbon ring containing one or more methylene groups, or a monohalogen derivative of such hydrocarbon, with formaldehyde or a substance yielding formaldehyde in the presence of an acidic catalyst. Acenaphthene, fluorene, indene and their monohalogen derivatives are particularly suitable for the condensation. The resins are suitable for the production of varnishes, lacquers and paint media. In examples, (1) a solution of acenaphthene in glacial acetic acid is mixed with a solution of paraformaldehyde in the same solvent and a solution of sulphuric acid in glacial acetic acid is added, giving after some time a white amorphous powder which is collected, (2) 5-chloracenaphthene (i.e. para-chloracenaphthene) gives in the same way a yellow deposit, (3) a hot solution of acenaphthene in benzene is mixed with a hot solution of paraformaldehyde, in glacial acetic acid and boiled with concentrated hydrochloric acid. The liquor is poured into water and the benzene solution separates, and on removal of the benzene a brown resin is obtained which possesses insulating properties.
Patent GB-1330107-A (GB)
Title: Production of acetic anhydride
IPC: C07C51/56
Filed: 1971-04-19
Abstract: 1330107 Acetic anhydride BADISCHE ANILIN- & SODA-FABRIK AG 19 April 1971 [10 Feb 1970] 21415/71 Heading C2C Acetic anhydride is prepared by reacting acetic acid with ketene in a single column having a reaction zone in which the ketene concentration decreases upwardly above the point of ketone supply and a distillation zone in which the acetic acid conentration decreases downwardly below the point of ketene supply. The column may suitably be a bubble cap tray column, sieve plate column, valve plate column or packed column and preferably has between 7 and 40 theoretical trays, between 1 and 10 in the reaction zone and between 5 and 20 in the distillation zone. The process is preferably carried out at atmospheric pressure and at a temperature of from 100‹ to 140‹ C. in the reaction zone.
Patent GB-773746-A (GB)
Title: Improvements in and relating to rotary joints
Inventor: BONMARTINI GIOVANNI
IPC: A01B71/04
Filed: 1955-07-25
Abstract: 773,746. Resilient joints. EST ETABLISSEMENT SCIENCES TECHNIQUES. July 25, 1955, No. 21417/55. Class 108(3). In a resilient joint of the type comprising a sleeve 2 of rubber disposed between a rigid shell 1 and a spindle 3, and members 6, 7, for limiting relative radial movement between the spindle 3 and shell 1, the members 6, 7, are axially spaced apart, and each extends in the same radial direction in a common plane containing the axis of the joint, to a greater radial extent than in the diametrically opposite direction. In the construction shown in Figs. 3 and 4, the members 6, 7, each comprise a disc having an aperture c which is eccentric with respect to the axis of the shell 1. The sleeve 2 is precompressed by the members 5, 6 which may be rigid with either the spindle 3 or the shell 1. In a modified construction, Figs. 1 and 2 (not shown) the discs are replaced by radiallyprojecting stops carried by the spindle 3. The invention is applicable to joints between link of endless tracks for track-laying vehicles. U.S.A. Specifications 1,973,214 and 2,115,994 are referred to.
Patent GB-409329-A (GB)
Title: Improvements in master clocks for actuating electrically driven secondary clocks
IPC: G04C13/04
Filed: 1932-07-29
Abstract: 409,329. Electric clocks. BRUNNER, E., 6, Rotstrasse, and BUHLER, H., 67, Lavaterstrasse, both in Zurich, Switzerland. July 29, 1932, No. 21445. [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 2, 1932.] [Class 139.] A master clock sending impulses to secondary clocks is associated with means which, when the current fails, accumulates the number of impulses which have lapsed so that the secondaries are brought back to synchronism when the current flows; in the present invention a single switch (27, 28) controlling the secondary clock circuit is opened and closed in accordance with the position of a member actuated by the master and also by the impulses sent to the secondaries. A spindle 1, driven by the master clock, carries a cam 3 and a wheel 4 meshing with a wheel 22 rigid with arbor 15. Coacting with cam 3 is the lug 8 of a lever 9 fixed to an arbor 7, which also has fixed to it a lever 13. When nose 8 drops off a rise 2 of cam 3, a spring 5 tends to move lever 9 to the left so that a rod 6 removes a latch 30 from lever 26. Lever 13 co-operates with a disc 16 frictionally mounted on arbor 15. Rigid with disc 16 is a ratchet 21 which is acted upon by a pawl 18 on an arm 14 fixed to arbor 42. A spring 19 presses this part against a stop 20. A lever 17 on arbor 42 coacts at one end with armature 24 of relay 25 and at the other end with a rod 23 acting upon the lever 26 which carries a piece 28 for bridging contacts 27 in the circuit 32 from the supply 31 to the relay 25 and secondary clocks 34. When nose 8 drops off a rise 2, rod 6 removes latch 30 and the circuit is closed at 27 to give an impulse to the secondaries. At the same time lever 13 has dropped off the high part of disc 16 to a lower concentric part to allow the rocking of arbor 7. For this the disc 16 has moved in the direction of the full line arrow. When the circuit 32 is closed, relay 25 rocks lever 17 counterclockwise so that pawl 18 feeds disc 16 back in the direction of the dotted arrow by the same amount so that parts 13, 7, 9 are rocked clockwise and latch 30 is moved to the right by spring 29. This rocking of lever 17 also rocks lever 26 to raise the piece 28 to latched position. If the current should fail, the pawl 18 fails to act, but the master clock continues to rotate disc 16 (full arrow), taking the high part of the cam 16 further away from the end of lever 13. When current is restored and lug 8 drops off a rise 2, latch 30 is removed and pawl 18 and rod 23 are oscillated, feeding disc 16 back and making and breaking the circuit to give impulses to the secondaries. The piece 28 is not latched up, however, until the high part of disc 16 returns to rock lever 13 and shaft 7 clockwise, whereupon lever 9 moves to the right and latch 30 is able to re-engage lever 26. The shaft 1 may be rotated intermittently instead of continuously.
Patent GB-194620-A (GB)
Title: Improvements in machines for grinding bone and the like
IPC: B02C18/14
Filed: 1922-08-05
Abstract: 194,620. Britt, J. Aug. 5, 1922. No Patent granted (Sealing fee not paid). Rasping-apparatus.-A machine for grinding bone and the like, particularly for use as poultry food, comprises a rotating cutter-head having at the centre of its face a cutter which bores a hole into the bone and on its face cutter-bars for grinding any bone presented to the head not ground by the cutter, with means consisting of a longitudinal slide for pressing the bone against the cutter-head. The cutter-head 4, Fig. 1, mounted on a shaft turned by a handle 3, has a central cutter 8 with two inclined cutting-edges 9 and cutters 6, Fig. 5, fitted in grooves in the disc 5, the cutting-edges 11 of the cutters 6 projecting from the faces of the plates 10 screwed on to the face of the cutter head. The bones are fed to the head 4 by means of a member 13 which is moved along a curved trough 19, Fig. 4, by a screw 14 turned by a hand-wheel 24. The member 13 consists of a back-plate and flange member 17 which is serrated at its forward edge and has a cut away portion 18 at one side through which a bone may pass. Flanges 20 on the member 13 slide on flat surfaces 21 on the sides of the trough 19, which may be formed of two pieces of metal bent at the centre into an L- shaped projection 22 which passes through a slot in the back-plate. The trough 19 is secured to' the frame 1 and supported at its front end by a member 23. Any bone tending to pass between the head 4 and the trough 9 is ground by the ends 11<a> of the cutters 6.
Patent GB-919613-A (GB)
Title: Improvements in or relating to shut-off valves
Inventor: SCHULLER HERI
IPC: F16K1/24
Filed: 1959-06-24
Abstract: 919,613. Valves. JANSEN G.m.b.H., TH. June 24, 1959, No. 21610/59. Class 135. A hinged flap valve in which the flap hinges back inside a tubular flow passage when opened and when closed is uniformly in contact with an annular seat in the passage, is characterized in that the flap is opened and closed through a rocking lever operatively connected to the flap on one side thereof, and means disposed on the other side of the flap serves positively to retard final closing of the flap and to move it initially from its seat. The flap 7 is pivotally carried both on the rocking lever 11 and also through integral horns 14 on either side of this lever, by pivoted links 16. Rocking lever 11 is actuated by fluid pressure applied to a double-acting piston 19 through control valves 24, 25, the piston being locked in its end positions by spring-loaded balls 23 engaging grooves in the piston. A piston and cylinder device 20, 26 carried in the conduit 2 acts on the other side of the flap, through a spring-loaded button 27, this device being controlled by external control valves so as to act as a braking means to cushion the final closure of the flap or as an actuator to open the flap initially. The flap seats on an annular seat 4 and is also provided with a resilient closure element 5<SP>1</SP> seating on a seat 5. Leakage into a space between these seats is collected through a passage 6. A position indicator for the flap is operated by a rod 32 through a cam 33 on rocking lever 11. This rod is sealed in a chamber 37 by two bellows 34, 35, the space surrounding these bellows being connected to an exhaustible safety chamber (not shown) through passages 38. The valve is applicable to large mains carrying gaseous media which are liable to radio-active contamination.
Patent GB-387934-A (GB)
Title: Improvements relating to vulcanisation
IPC: C08K5/00
Filed: 1932-08-02
Abstract: Chlorophyll is added to rubber or other vulcanizable mixes which are to be vulcanized either in the ordinary manner or by p  exposure to solar heat and light.  It acts as an accelerator &c., especially in mixes containing 1 1/2 per cent or more of zinc or lead compounds. It is used in the proportions of 1/2 per cent of a 2 per cent solution in, for example, linseed oil.
Patent GB-1429996-A (GB)
Title: Loudspeaker arrangement
Inventor: BABB BURTON A
IPC: H04R1/02
Filed: 1973-05-07
Abstract: 1429996 Loud-speakers BABBCO Ltd 7 May 1973 [8 May 1972] 21644/73 Headings H4J and H4X A sealed loud-speaker enclosure is a substantially rigid structure to low frequencies generated within the enclosure so that significant transmission of low frequencies through the enclosure is prevented, thereby enhancing low-frequency response. The enclosure has a plurality of sections of sufficiently low mass to transmit a significant part of the higher frequencies including resonant acoustic energy thereby minimizing resonances within the enclosure. Such resonances may be in the range 1000 to 2000 Hz. A loud-speaker 13 (Fig. 2) closes a hollow cube enclosure 12, the five identical square walls of which (external dimensions 6¢ inches by 6¢ inches) are of styrene resin cemented together at their adjacent edges at 45 degrees bevelled surfaces 18. More than one loud-speaker may be provided. Each wall is constructed from a thin sheet and has five integral ribs (as shown, vertical) crossing five further integral ribs (as shown, horizontal). If desired, the ribs may be adhered to each thin sheet, the material of the thin sheet differing in stiffness and density from the material of the ribs, thus giving choice of acoustic characteristics (Fig. 5, not shown). An alternative construction (Fig. 6, not shown) has, in each ribbed wall, a plurality of holes covered by a thin film on the side of the wall opposite the ribs. The thin film permits transmission of higher frequencies. The thin film may cover the entire wall or only the holes and adjacent area. Loud-speaker cloth 44 covers the front of the enclosure. Another construction (Fig. 7, not shown) has the two side walls of trapezoid shape, so that the enclosure presents a sloping front.
Patent GB-498333-A (GB)
Title: Improvements in or relating to electrical heating devices or appliances
IPC: H05B3/06
Filed: 1937-09-06
Abstract: 498,333. Two-part couplings ; electric heating resistances. NEIL, R. J., and HY HEAT PRODUCTIONS, Ltd. Sept. 6, 1937, No. 21676. [Class 38 (i)] [Also in Group XI] At the ends of a heating resistance formed of one or more tubular sheathed wire elements, a junction box e is interposed between the ends of the metal tubes a, b. The resistance wires j are connected to contact pins h provided with grooved insulator sleeves g, removably located in slots in the wall of the box e. U-shaped pins n clamp the sleeves g and are inserted in the grooves against the wall of the box.
Patent GB-1073034-A (GB)
Title: Process for the production of single crystals of mixed ferrites
IPC: C30B11/00
Filed: 1965-05-21
Abstract: 1,073,034. Magnetic compositions. RIKAGAKU KENYUSHO. May 21, 1965 [May 23, 1964 (2)], No. 21738/65. Heading H1H. Crystals of mixed spinel ferrite (such as Mn-Zn ferrite) are formed by melting the ferrite under oxygen at a pressure of 1.5 to 20 atmospheres and then allowing to cool in oxygen. Cores are cut from the crystals.
Patent GB-1135815-A (GB)
Title: Method of preparing ultra-pure bromides and iodides of gallium and indium
IPC: C01G15/00
Filed: 1967-05-10
Abstract: 1,135,815. Bromides and iodides of Ga, In. SIEMENS A.G. 10 May, 1967 [14 May, 1966], No. 21790/67. Heading C1A. Ultra-pure tri-bromides or tri-iodides of Ga, In are prepared by a method comprising reacting a compound MX<SP>1</SP> 3  (where M represents Ga or In and X<SP>1</SP> represents Cl or Br) with a compound RX(where R represents H or an alkyl group containing from 1 to 5 carbon atoms and X represents I or Br when X<SP>1</SP> is Cl, or I when X<SP>1</SP> is Br), preferably at a temperature between room temperature and the boiling point of the reaction mixture. The reaction may be carried out in the presence of a solvent, preferably an aliphatic, aromatic, cycloaliphatic or chlorinated hydrocarbon, although solvents are preferably not used when InCl 3  is employed as starting material, owing to its low solubility in organic solvents.
Patent GB-1396037-A (GB)
Title: Toxican compositions
IPC: C09D5/16
Filed: 1972-05-10
Abstract: 1396037 Compositions containing triorganotin derivatives M & T INTERNATIONAL NV 10 May 1972 [10 May 1971] 21825/72 Heading A5E A toxicant composition for combatting the development of marine organisms responsible for fouling comprises an intimate mixture of a triorganotin derivative of the formula: R 3 SnX or (R 3 Sn) 2 Y, wherein R represents an alkyl, cycloalkyl or aryl hydrocarbon radical containing not more than 6 carbon atoms, X represents a fluoride, chloride, nitrate, hydroxide, acetate, octanoate, laurate, resinate, dimethyl dithiocarbamate, naphthenate, isooctyl mercaptoacetate, hydride or methoxide radical, and Y represents an oxygen, sulphide or sulphate radical; zinc oxide; and/or a substituted symmetrical triazine of the formula: wherein R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP>, which may be the same or different, represent hydrogen or a monovalent alkyl hydrocarbon radical containing not more than 4 carbon atoms and Z represents chlorine, bromine, or an alkyl thio radical (-S-R<SP>5</SP>), wherein R<SP>5</SP> is an alkyl group containing not more than 4 carbon atoms.
Patent GB-912753-A (GB)
Title: Composite rubber polyurethane article
IPC: C08J7/046
Filed: 1960-06-22
Abstract: A latex rubber article having a surface pretreated in the uncured state to a substantially non-inhibiting condition with respect to polyurethane polymer cure, and having on said surface an adherent coating of a polyurethane polymer cured to an elastomeric state, is produced by pretreating the latex surface, applying thereto, e.g. by dipping or spraying, a polyurethane intermediate polymer and curing the intermediate polymer to an elastomeric state in the presence of a non-aqueous cross-linking agent.  The polyurethane may be formed from an isocyanate-terminated intermediate polymer such as a linear polyester prepared by reacting a polyhydric alcohol, e.g. ethylene or propylene glycol, or mixtures thereof, with polycarboxylic acids, e.g. aliphatic dicarboxylic acids such as adipic, pimelic, sebacic, methyladipic or succinic acid; or from a polyalkylene ether glycol, e.g. polyethylene or polypropylene glycol, polytetramethylene ether glycol, polyalkylene thioether glycol, polyalkylene-arylene ether glycol or thioether glycol.  Suitable isocyanates are 1,4-toluene diisocyanate, naphthalene-1,5-diisocyanate, p,p1-diphenylmethane diisocyanate and hexamethylene diisocyante.  The cross-linking agent may be a polyol or polyamine such as a polyhydric alcohol, e.g. a trihydroxy tertiary amine.  The weight ratio of isocyanate groups in the intermediate polymer to the hydroxyl groups in the p  polyhydric alcohol may be greater than 1 but less than 8.  The latex rubber article may be a film or a shaped article which may be formed by dipping a form into rubber latex, e.g. a deposited latex rubber girdle.  The articles may be of natural or synthetic rubber, or a mixture thereof, e.g. butadiene-styrene, butadiene-acrylonitrile, butadiene-carboxylic elastomer, synthetic isoprene, butyl or polysulphide rubber.  The pretreatment may comprise leaching with water, preferably at a temperature above 100 DEG F, e.g. 150 DEG  to 160 DEG F., and/or treatment with a low molecular weight isocyanate, preferably in an inert volatile solvent.  A superposed flock layer, e.g. cotton, a -cellulose, rayon, cellulose acetate, polyamide or polyester flock, may be adhered to the polymer coating, preferably to the intermediate polymer prior to curing.  The intermediate polymer may contain a pigment.
Patent GB-237451-A (GB)
Title: A press for ties or similar articles
IPC: A47G25/78
Filed: 1924-09-16
Abstract: 237,451. Chatwin, J., and Tomkins, A. B. Sept. 16, 1924. Presses. - Presses for neckties and similar articles comprise a flat central member 1 around which the article is wound, and spring plates 2 together. By providing a flat central member the necktie is not stretched during the pressing operation. Specification 177,439 is referred to.
Patent GB-1529418-A (GB)
Title: Coating substrates
IPC: C23C14/24
Filed: 1977-05-24
Abstract: The invention relates to a process for the uniform coating of sheet-like substrates by vacuum vapour deposition during repeated passage of the substrates through the vapour jet of an evaporator. The substrates are passed through by means of a continuously rotating substrate holder with simultaneous oscillating relative movement between substrate holder and evaporator. The oscillating movement takes place at right angles to the movement of the substrate holder through the vapour jet. To achieve the object of keeping differences in layer thickness in the edge regions of the substrates as small as possible, according to the invention the speed of the oscillating relative movement is controlled in such a way that the speed in the region of the points of reversal of the oscillating movement is reduced markedly below the speed in the case of a harmonic oscillating movement. Preferably, the oscillating movement is interrupted for a limited time in the region of the points of reversal.
Patent GB-453623-A (GB)
Title: Improvements in the manufacture of split or divided metal bushes
IPC: B21K1/20
Filed: 1935-08-03
Abstract: 453,623. Making divided bushes. BULLOCK, F. E., Cotherstone, Warwick Avenue, Coventry. Aug. 3, 1935, No. 22045. [Class 83 (ii)] Each half of a longitudinally divided metal bush is formed from a blank cut from a drawn, rolled, or extruded bar the cross section of which is that of the required longitudinal section of a half bush, the required curvature being imparted to the blank by dies. A sectionbar a is passed between rolls d, d<1> which correct any inaccuracies thereon, and is then given an initial curvature by a roller e. Blanks cut from the curved bar are shaped to the form of a half-bush b between a pair of dies. Bushes as described in Specification 422,723, [Group XXIX], may be so produced.