baber/WOPTO huggingface dataset:
Patent GB-530394-A (GB)
Title: Improvements in or relating to seat construction
IPC: B60N2/70
Filed: 1939-06-22
Abstract: 530,394. Seats. FIRESTONE TYRE & RUBBER CO., Ltd. June 22, 1939, Nos. 18215, 18216 [Convention dates, June 23, 1938] and 18217 [Convention date, Oct. 28, 1938]. [Classes 52 (ii) and 52 (iv)] A seat construction comprises a frame having opposed portions 12, 14 to which is secured supporting means 17 including resilient means 18 connected between spaced points on the supporting means. Fig. 3 shows the frame formed of one piece of resilient material bent downwardly at the ends of the rear portion 12 and twisted through 90 degrees to form side portions 13 which curve upwardly to the front portion 14 which is free to move downwardly under load, the seat being fixed at the rear by brackets 15. Fabric sheets 17 looped around the bars 12, 14 are joined by spaced rubber strips 18 vulcanized to the fabric, and a sponge rubber cushion 19 is supported on the resilient sheet thus formed and held in place by an upholstery cover 20 tacked to a frame 20a. The rear portion 12 of the frame may be tubular and the front portion 14 channelled. In addition to the side members 13 intermediate resilient members may be provided. Cables may be connected between the front bar 12 and the fixed frame to limit the rebound of the seat. Fig. 1 1 shows a modification in which the front bar 36 is carried by leaf springs 34 from a transverse support 31 which also carries by arms 32 and brackets 33 the rear bar 30. A wire tacking strip 39 for the cover is also fixed to the bar 30. In Fig. 12 the invention is applied both to the seat 40 and the back 41, the resilient sheet 47, 48 for the seat being stretched on a frame 43 supported by members 55 from a base 54 while that for the back is stretched on a similar frame 56. A loop 49 of the fabric 47 extends beneath the rubber strips 48 and serves as a safety connection if the strips break. The rubber strips 48a at the centre of the frame are made wider than those at the ends and the sides of the sheet 47 are supported from the sides 44 of the frame by rubber strips 51 secured to sections of fabric 52.
Patent GB-259682-A (GB)
Title: Improvements in and relating to pianofortes
IPC: G10C3/04
Filed: 1925-07-16
Abstract: 259,682. Maas, L. J. P.. July 16, 1925. No Patent granted (Sealing fee not paid). Pianoforte actions; keys and keyboards; wrestplanks; soundboards; framing; cases: strings, arrangement of; tuning-pins.-In a pianoforte of the kind having the hammer mechanism below the level of the keyboard, the keys or their connections extending over the wrest-plank and soundboard are cranked to permit both the wrest-plank and soundboard to be made larger. Thus the piano may have bi- or tri-chord strings, the keyboard remaining at the normal level. The iron frame 2 carries the soundboard 3, which forms the front of the piano, and the wrestplank 1. A cranked keyboard frame 9, 7, extends across and is secured to the top of the wrest-plank, and carries a frame 10 for supporting the hammer mechanism. The cranked metal keys 17, which may be fitted with enamelled or covered wood blocks 18, are pivoted at 14 on a metal block or blocks which may be hollow, and operate the hammer mechanism by links 12. The end keys may have their rear portions offset inwardly to economize space. The lid 25 in its upper position forms a music rest. In a modification the keys are connected by vertical links to horizontal rocking-bars arranged above the wrest-plank. Specification 174,344 is referred to.
Patent GB-1136196-A (GB)
Title: Automatic decompression system
IPC: B63C11/32
Filed: 1967-04-20
Abstract: 1,136,196. Decompression systems. WESTINGHOUSE ELECTRIC CORP. 20 April, 1967 [22 June, 1966], No. 18288/67. Heading B7U. [Also in Divisions A5, F2 and H1] An automatic decompression system having valve means 30 connected or adapted to be connected to a chamber 10 for decreasing gas pressure in the chamber in accordance with a predetermined pattern, has associated with the valve means 30 a reference system adapted to produce a pressure value decreasing in accordance with said predetermined pattern, the valve means being responsive to said pressure value to be opened when the pressure within the chamber 10 is higher than the pressure value given by the reference system. The reference system includes a gas reservoir 12 (e.g. of compressed air) provided with means 14, 15, 16 for maintaining the gas contained therein at a constant temperature, the reservoir having decompressing means whereby the pressurized gas contained therein is released so that the pressure in the reservoir decreases in accordance with said predetermined pattern.
Patent GB-146363-A (GB)
Title: Device for preventing excessive pressure in presses
IPC: B30B15/28
Filed: 1920-07-02
Abstract: 146,363. Rogers, F. H.-, (Schuler, L. [Firm of]). July 2, 1920. Metal - working presses.-In a pressurelimiting device for drawing presses, the ram 8 is actuated through a verticallyarranged toggle 1, 2, the joint pin 9 of which carries one end of an horizontal toggle 3, 4. The arm 4 is pivoted on a bolt 10 in an eccentric mounting so that its distance from the pin 9 can be altered, thus adjusting the maximum pressure allowed before the toggles yield as shown. An adjustable loading-spring 12 is provided. The device may be applied to the press table instead of the ram.
Patent GB-638804-A (GB)
Title: Flushing toilet
IPC: E03D5/01
Filed: 1948-07-09
Abstract: 638,804. Sanitary closets. AIR SERVICE TRAINING, Ltd., TALBOT, J., and KENNARD, F. G. July 9, 1948, No. 18464. [Class 26] A flushing toilet for use, e.g., in an aeroplane, comprises a cabinet 12, partitioned by a.mesh screen 11, with a pump on one side of the partition and a lavatory pan 13 on the other side and in the upper part of the cabinet, whilst a sluicing and charging point 33 and drain 31 are provided at the bottom of the cabinet beneath the pan 13. The lower part of the cabinet 12 contains a medicated flushing liquid, which filters through the mesh screen to the pump inlet openings 18, and some of which on operation of the pump is delivered by the diaphragm 21 attached to the rod 20 to a pipe 27 and then to a flushing ring beneath the seat ring 29, to be returned during flushing. The rod 20, moving in the vertical guide of the pump casing 16, is linked at 22 to an arm 23 on a transverse shaft 24, and externally of the cabinet a lever arm 25, having a pedal 26, is secured. Depression of the pedal will raise the pump diaphragm 21 to deliver liquid to the flushing ring, to be returned through the hinged flap 14, opened during flushing, and otherwise lightly biassed to the closed position. The pedal lever is returned to the previous position either by gravity or by means of a suitable spring. When servicing, a cock for the drain 31 is opened and sluicing liquid is supplied along a pipe 32 to the charging point 33. The drain cock is then closed and a fresh supply of flushing liquid delivered along the pipe 32, the charging point 33 being protected internally by a filter, e.g. a perforated part-spherical cap. The drain 31 and pipe 32 lead to the outside of the aeroplane and are there fitted with screw caps which can be interconnected by means of a chain. The cock for the drain 31 may be opened by means of a wire 39 with an outside pull knot.
Patent GB-619528-A (GB)
Title: Improvements in and relating to automatic machines for the manufacture of nails and the like
IPC: B21G3/16
Filed: 1946-06-19
Abstract: 619,528. Cutting and forging nails &c. WEBER, J. L. June 19, 1946, No. 18479. [A Specification was laid open to inspection under Sect. 91 of the Acts, June 19, 1946.] [Class 83 (iv)] An automatic machine, for making nails &c., of the type comprising a feeder device, jaws for clamping the wire during heading and cutting, a cutting-mechanism comprising cutters mounted on the opposite arms of pivoting levers and adapted to point and cut the wire, and ejection means, is characterized in that each lever 1, 2 is in the form of a fork, the arms of which are pivoted upon two pivots 3, 4 arranged in aligned relationship to each other but providing therebetween a suitable clearance space for the passage of the heading-ram 5. The levers 1 and 2 are actuated from a shaft 9 through links 12 and 14 of adjustable length and having ball-and-socket connections at each end with the respective lever and crank pin 10 or 11. Nuts 19, 20 allow for compensation for wear in the ball-and-socket connections 17, 18 at the lever end of the links. Each cutter blade 64 is capable of adjustment in three mutually perpendicular directions. Each blade 64, carried by a block 53 is adjustable by a screw 65 in a dovetail-shaped groove in a direction perpendicular to the direction of feed of the wire stock which is fed along a channel having the direction of the rectilinear movement of the ram 5. The carrier block 53 is itself adjustably mounted in a dovetail-shaped groove 55 in a support 42, the direction of adjustment being vertical. Each support 42 includes a rod-like portion 41 closely fitting in a recess 40 in the arm 39 of the respective lever 1, 2, and adjustably movable therein by means of a bolt 43. In a modification the length of each link 12, 14, is altered by a turnbuckle arrangement. The ramp surfaces of the levers 1 and 2, cooperate with the ram 5 to move the levers out of the way before the ram reaches the cutter blades, in the event of the cutters accidentally remaining in the cutting position during the advance stroke of the ram.
Patent GB-1414564-A (GB)
Title: Dewatering of slurries
IPC: C02F11/15
Filed: 1973-04-17
Abstract: 1414564 Electrostatic dewatering of slurries ELECTRICITY COUNCIL 4 April 1974 [17 April 1973] 18501/73 Heading C1C [Also in Division C7] An apparatus for dewatering a slurry containing solid particles, consists of at least one upright hollow cathode (10, 11) with an apertured surface, anodes (13, 14, 15) on both sides of the or each cathode, a flexible membrane of electrically insulating material (16) with means for traversing the membrane upwardly and downwardly over the cathode (5) between the cathode and anodes, and means for feeding the slurry into the region between the anodes and the membrane and means (26) for removing the water from inside the cathode(s). Scrapers (25) remove sludge which deposits on the membrane. Sewage sludge or waterworks flocculating agents may be treated. The membrane may be nylon or polypropylene. The anodes may be of lead dioxide, platinum, platinized titanium or ruthenium dioxide; the cathodes may be of stainless steel, or nickel. When treating sewage containing 3% solids, cathode areas of 144 sq. cm. were used at 30 volts and a current density of 22 milliamps per geometric sq. cm. The final wet solid content was 28%.
Patent GB-851798-A (GB)
Title: Improvements in and relating to adjustable wrenches
IPC: B25B13/44
Filed: 1958-06-10
Abstract: 851,798. Wrenches. CONWAY, J. June 10, 1958, No. 18509/58. Class 61. An adjustable wrench comprises a head 1 in which a pair of jaws 11 are mounted for relative movement towards and away from each other, the gripping portions 12 of the jaws each having a pair of angularly disposed, laterally spaced faces 18, an inwardly opening channel 15 between the faces which defines axially extending gripping edges 16, and a nut 38 screw threaded on the head for imparting relative movement to the jaws. The cylindrical head is bifurcated to provide a pair of legs 2 which have guide surfaces 5 slidably engaged by surfaces on the shanks 13 of the jaws. Angular shoulders 25 on the shan.,s engage with in clined surfaces on the legs 2. The shanks 13 are each provided with a pair of laterally spaced, axially extending flanges 21, 22 defining an inwardly opening grooves 23, one flange of each shank being received in the groove in the other shank. Transverse slots 27 extending parallel to the guide surfaces 25, are provided in the flanges 21, 22, retainer pins being passed through the slots. A guide stud 30<SP>1</SP> engages secondary guide surfaces 30 on the flanges to maintain the jaws in parallel relationship. Tension springs urge the jaws apart and the shanks into engagement with the guides. The adjustment collar 38 screw threaded on the head engages the ends of the shanks 13.
Patent GB-1103183-A (GB)
Title: Process for making propylene glycol mixed ester emulsifier
IPC: A23D9/013
Filed: 1965-05-03
Abstract: Propylene glycol mixed - ester - containing emulsifiers for dry cake mix shortenings are prepared by heating propylene glycol and a triglyceride or triglycerides at a temperature above the melting point of the triglyceride but no higher than 250 DEG  F. in the presence of an alkali metal methylate catalyst.  The catalyst is removed from the resulting mixture by addition of phosphoric acid or water and subsequent filtration to remove the salts so formed. It is preferred to use 1-20% by wt. propylene glycol and 99-80% by weight of triglyceride.  Lard is the preferred triglyceride but other fats and oils, e.g. tallow, grease, or coconut, soybean or cottonseed oil may be used.  The emulsifier mixture contains mono- and di-esters of propylene glycol, mono-, di- and triglycerides and small amounts of propylene glycol.ALSO:Propylene glycol mixed esters are prepared by heating propylene glycol and a triglyceride or triglycerides at a temperature above the melting point of the glyceride and not higher than 250 DEG  F. in the presence of an alkali metal methylate catalyst.  The preferred triglyceride is lard.  It is preferred to use 1-20% by weight propylene glycol and 80-99% by weight of triglyceride.  The resulting product is a mixture of propylene glycol-mono- and diesters, glycerol mono-, di- and tri-esters and small amounts of free glycol.  After completion of the reaction the catalyst may be inactivated by addition of phosphoric acid or water. The propylene glycol ester-containing product may be used as an emulsifier for cake mix shortenings (see Division A2).
Patent GB-274476-A (GB)
Title: Improvements in and relating to methods of and apparatus for starting alternating current motors
IPC: H02P1/26
Filed: 1927-07-13
Abstract: 274,476. British Thomson-Houston Co., Ltd., (Assignees of Hardesty, L. C.). July 15, 1926, [Convention date]. Polyphase transformers; regulating transformers.-for starting an alternating-current motor, two or more successive steps of increasing voltage are obtained from an auto-transformer 12 by the successive closure of electromagnetic switches 14, 15 connected respectively to intermediate and extreme points of the transformer, the motor 10 remaining connected to transformer taps 13. In the transitional period when both the switches 14, 15 are open, the transformer coils remain in circuit with the motor as reactive coils.
Patent GB-274480-A (GB)
Title: Improvements in or relating to machines for opening, teasing and cleaning kapok floss, cotton or other fibrous materials
IPC: D01G9/00
Filed: 1927-07-13
Abstract: 274,480. Kronlund, P. E. July 13, 1926, [Convention date]. Openers, cleaners, &c.-A machine for cleaning and teasing kapok, floss, cotton or other fibrous materials for filling mattresses &c. comprises two horizontal cylinders 21, 20, Fig. 2, joined by an inclined pipe 3. Each cylinder is provided with a central shaft carrying rods 10, 29 passed through holes in the shalt and secured by set screws. Each rod has at one end a flattened portion or paddle 11, 31, which can, by turning the rod, be set at any desired angle. Notched baffle plates 18, 36 are fitted in the cylinders. Each cylinder is provided about its central portion with an outlet 4, 22, the size of which can be regulated, through which refuse is thrown, the cotton &c. being retained by the air stream drawn in through the aperture. The material is fed to the larger cylinder 2 through an opening 1 and is fed by the rotating paddles towards the opening 4. Near the opening the paddles are adjusted to check the flow of material and to throw out any refuse which is liberated from the material. The paddles then pass the partly opened and cleaned material along towards the vent for the pipe 3. Opposite this vent the paddles are adjusted to cheek the flow and force the material down the pipe 3 into the second cylinder. In this cylinder, which is of smaller diameter, the paddles are set in such a manner that the flow of the material is across the spiral of the paddles. This cylinder is provided with an additional orifice 34 for air, and an adjustable opening 22 through which the remaining refuse is ejected. The paddles at this opening are set at a slight backward angle to check the stream of material. A fan 37 draws the treated material through the discharge pipe 21 round an angle into a pipe 41 and discharges it through one or other of the conduits 45. A valve 43 is arranged in a vent 42 at the junction of the pipes 21, 41. At the bottom of each cylinder is a narrow screen 12, 32 covering a pipe through which dust is drawn away by a fan 14.
Patent GB-1348915-A (GB)
Title: High intensity multizone magnetic separator
IPC: B03C1/029
Filed: 1971-06-02
Abstract: 1348915 Magnetic separating USTAV PRO VYZKUM RUD 2 June 1971 [21 July 1970] 18650/71 Heading B2J In a high intensity multizone magnetic separator for wet separation of weakly magnetic material a number of separation chambers are linked to form an endless chain, each chamber is provided with loosely accommodated open structured induction bodies and individual chambers are advanced in a horizontal direction through vertical magnetic flux between opposite poles of magnetic yokes. As shown, a plurality of chambers 6 are linked by links 9 to form an endless chain which is guided so as to be advanced in a horizontal direction between the poles 5, 5a of large horse shoe electromagnets (1, 1a). Each chamber 6 contains a loose pile of expanded metal sheets of soft magnetic material, which sheets are preferably staggered with respect to each other. The sheets have limited vertical free play so as to reduce the risk of clogging. In operation, pulp to be separated is fed continuously into the chambers 6 by a charging hopper 14 as they approach the magnetic flux zone. Magnetic particles in the pulp adhere to the expanded metal until washed off by water jets from nozzles 23 as the chamber leaves the magnetic flux zone. A collecting funnel 20 is provided. Non-magnetic components either pass through the chambers to be collected by funnel 18 or are rinsed through to a funnel 19 by water from a nozzle 22 in the magnetic flux zone. Any particles passing through the chambers before reaching the magnetic flux zone are collected by a funnel 17 and recycled. Several separating zones may be provided along upper and lower portions of the endless chain (Fig. 3, not shown). A magnetic flux density of 16,000 Gauss is referred to.
Patent GB-1188346-A (GB)
Title: Cermet Resistors, their Composition and method of Manufacture
IPC: H01C17/065
Filed: 1967-04-24
Abstract: 1,188,346. Cermet resistance material. BECKMAN INSTRUMENTS Inc. 24 April, 1967 [9 May, 1966], No. 18716/67. Heading C1M. A resistance composition comprises a finely divided mixture of glass; an alloy of one of the metals Ir, Ru and Rh and a second metal selected from Ir, Ru, Rh, Au, .Ag, Pd and Pt; and a filler of at least one of steatite (MgSiO 3 ), alumina, calcium silicate, barium silicate, lead titanate and lead zirconate. (An alloy is defined as a mixture of two or more metals.) Preferably, the composition comprises, in weight per cent, 5-35 metal, 3-40 filler, and the balance glass. The composition may be fired on to a non- conductive substrate to form a resistor. Suitable substrates are steatite, sintered or fused aluminas, or zircon porcelains. A film, e.g. 0À0001-0À005 inch thick, may be formed by coating the substrate with a dispersion of the composition in a volatile liquid, and firing. Lead borosilicate glasses, of which two examples are given, are preferably used.
Patent GB-169807-A (GB)
Title: Improved manufacture of cement mixtures
IPC: C04B28/22
Filed: 1920-07-05
Abstract: 169,807. Wade, H., (Bombrini Parodi- Delfino). July 5, 1920. Cements, Portland and Roman, treating after manufacture.-A cement mixture for use in concretes resisting the action of sea-water or sulphated water comprises cement of the kind described in Specification 170,063 with the addition of finely-ground puzzuolana, trass, basic slag, or the like in quantities sufficient to absorb the lime liberated during the setting of the concrete.
Patent GB-531615-A (GB)
Title: Improvements in and relating to the manufacture of insulated wire and varnish for use therein
IPC: H01B13/06
Filed: 1939-06-28
Abstract: 531,615. Synthetic resin varnishes. SCHENECTADY VARNISH CO., Inc. June 28, 1939, No. 18841. Convention date, July 25, 1938. [Class 2 (iii)] An insulating coating is formed by continuously coating a wire with a baking varnish containing a completely or partially hydrolysed polyvinyl acetal resin and a viscosity controlling ingredient consisting of a phenolic body or chlorinated diphenyl and baking the coating, the viscosity controlling ingredient being in such proportion that during initial stages of baking enough self-flow is permitted to distribute the varnish evenly and form under continued heating a hard, smooth coating of uniform thickness. The phenolic body may consist of M.P. cresol, xylenol or tar acids of boiling range 230-240‹C., or cashew nut shell liquid; phenols and homologues are preferred. Specified thinners are coal tar naphtha, xylenol, dioxane and aniline. Baking may be effectedat500-9000F. Examples of varnish compositions are given. The Specification as open to inspection under Sect. 91 refers also to the use of a natural resin, e.g. rosin, as a viscosity controlling ingredient. This subject-matter does not appear in the Specification as accepted.
Patent GB-456676-A (GB)
Title: Improvements relating to clutches
IPC: F16D11/06
Filed: 1936-06-22
Abstract: 456,676. Operating clutches. SMITH, A. R., 22, Caroline Street, Birmingham. June 22, 1936, No. 18859/35. [Class 80 (ii)] In a rocking - key clutch wherein the key c is urged to engaged position by a spring f and has an arm e cooperating with an abutment to cause disengagement, the abutment is in the form of a rod h carried in brackets j and manually rotatable by a knob i, the upper end of the rod being cut away so as to engage or disengage the arm e. The movement of the rod is limited by a pin n thereon cooperating with pins m on the lower bracket. In the limiting positions, the pin is held in grooves in the bracket under the action of a spring l.