baber/WOPTO huggingface dataset:
Patent GB-396474-A (GB)
Title: Improvements in or relating to combing machines for textile fibres
IPC: D01G19/14
Filed: 1932-03-02
Abstract: 396,474. Combing-machines. NASMITH, J. W., Leegate, Mauldeth Road, Heaton Mersey, Manchester. March 2, 1932, No. 6283. [Class 120 (i).] A combing-machine of the type wherein the lower nipper jaw J is pressed upwardly by a spring g which yields to a thickness of material gripped by the jaws and a stop is provided to prevent descent of the jaw into contact with the combing cylinder needles, comprises a pivoted spring-mounted lower jaw J, stops 1, 3 limiting its movement in either direction, a pivoted upper jaw j having an adjustable stop 4 limiting its downward movement and a compressible spring G interposed between the jaw j and its actuating element, the spring G operating in opposition to and being adapted to overcome the spring g. The nipper jaws are mounted as described in Specification 3801/11, [Class 120 (i), Spinning, Preparation &c. for], on a cradle D carried on pivots I, i by arms M, m of radius equal to the cylinder needle segment. The adjustable stop 1 and uprights e for the bearings E of the nipper pivots P are provided on the connecting bridge d of the cradle D while uprights U having adjustable screws 4 are cast thereon. The ends of the lower jaw J are secured to projections at each end of a bridge B which hinges on the nipper pivots and is provided with an arm O hinged to a rod r pivoted at v and provided with a spring g which tends to raise the lower jaw J. The upper jaw j is secured to arms A hinged on the nipper pivots P, while arms a also hinged at P are provided with projections I engaging the arms A. The arms a, A may be locked together by latches L pivoting on pins p on the arms a. The arms a are connected to a lever keyed on the nipper operating shaft N by a rod R swivelled at V and provided with a compression spring G. As shown, the nipper is open and about to close. The shaft N turns clockwise and depresses the upper jaw until it contacts with the lower jaw J, the springs G then overcoming the spring g and the lower jaw J being forced down until the projection 12 contacts with the adjusting screw 4 which is set so that the lip of the top jaw j is at the proper distance from the cylinder needles. Continued movement of the shaft N forces the nuts 2 off the swivel V and maintains the member 12 against the stop screw 4. The screw 1 is set so that the arm o will bear thereagainst before the lower jaw J can touch the needles. The controlling cam is so contoured that the descent of the jaws towards the needles is gradual during the passage of the first rows of needles. Specification 337,841, [Class 120 (i), Spinning, Preparation &c. for], also is referred to.
Patent GB-608729-A (GB)
Title: Improvements in and relating to internal combustion engines of the fuel-injection compression-ignition type
IPC: F02B19/08
Filed: 1946-02-28
Abstract: 608,729. Combustion chambers. CHAPMAN, C. W. Feb. 28, 1946, No. 6291. [Class 7 (iii)] A fuel-injection compression-ignition internalcombustion engine is of the kind having a combustion chamber 5. situated above and to one side of the cylinder space, and is characterised in that the transfer passage 3 between them is of the greatest cross-sectional area where it enters the cylinder, has the wall surface 2 furthest from the cylinder axis inclined towards that axis and towards the wall surface 1 nearest to it, has the wall 1 inclined to the axis at an angle less than 60 degrees, and has both walls tangential to the chamber 5, the arrangement being such as to produce special air flow when the piston is nearing top dead-centre. During these latter stages of compression, owing to the "squish" action along the under face of the cylinder head, most of the air tends to flow horizontally across the opening of the passage 3. Some however will move into the opening in an eddying manner as shown at b. A higher pressure will thus develop at x than at y. This causes some of the air passing up the wall 2 at x to be reflected in the direction a to y. The two opposing streams a, b, produce a pocket of quiescent and hotter air at y, into which a fuel jet A, from a nozzle 4, is sprayed. The nozzle is arranged to spray another jet B into the chamber.
Patent GB-928254-A (GB)
Title: Washing and drawing dry-spun polyacrylonitrile filaments
IPC: D01F6/18
Filed: 1962-02-19
Abstract: <PICT:0928254/IV(a)/1> High density dry-spun polyacrylonitrile filaments laden with a water-soluble solvent are drawn from 40 to 70% of the total draw while passing through at least one lower reservoir of a cascading water bath, the reservoir being maintained at 90% to 100 DEG C., preferably 95 DEG  to 100 DEG C., then drawn the remainder of the total draw while passing through at least one upper reservoir of the cascading water bath, which reservoir is maintained at 50 DEG  to 88 DEG C.  Thereafter the filaments are contacted with water heated to 50 DEG  to 60 DEG C., this water, after contacting the filaments, being allowed to drain into the uppermost reservoir from which the filaments are withdrawn, to provide cascading flow through the reservoirs of the bath.  The total draw ratio may be 2 to 10 or preferably 2 to 8.  The temperature of the bath may decrease progressively from the lowermost to the uppermost reservoir.  As shown in the drawing, a bundle of polyacrylonitrile filaments 1 is fed by squeeze rolls 2 to 4 into the lowermost reservoir 5 of a cascading water bath, is passed under roll 6 and is withdrawn from reservoir 5.  Bundle 1 is then fed alternately over and under rolls 7, 8, 10, 11, 13, 14, 16, 17, 19, 20, 22 and 23 as it is successively passed through ascending reservoirs 9, 12, 15, 18, 21 and 24.  After bundle 1 leaves reservoir 24, it is fed between a second set of squeeze rolls 25 to 27 at which point water is sprayed on to the bundle from nozzle 28 and drains into the reservoir 24.  The water cascades from this reservoir to the reservoir 5 from which it overflows through the outlet 38.  Each of the reservoirs is heated by steam coils 31 to 37.  The filament material may be an acrylonitrile homopolymer, a copolymer containing at least 85% of polymerized acrylonitrile or a mixture of at least 50% of such a copolymer with another polymer.  The wash water used may contain adjuvants such as extraction aids. The filaments of the invention have a high density and enhanced processability even after prolonged storage. Specifications 586,881 and 765,585 and U.S.A.  Specifications 2,527,300, 2,743,994 and 2,837,500 are referred to.
Patent GB-608794-A (GB)
Title: An improved trenching machine
IPC: E02F3/04
Filed: 1946-02-28
Abstract: 608,794. Trenching-machines. NORDBY, K. Feb. 28, 1946, No. 6323. Convention date, Feb. 7, 1942. [Class 68 (i)] A trenching machine has one or more oscillating bars 10 and 11 carrying cutters 21 and shovels 23 at the lower ends. The motion of the bars is such that any loosened earth is constrained to move upwards by the shovels 23 and a shield 24, the curve of the lower portion of which is approximately that described by the ends of the beams whilst the upper portion deflects the spoil sideways. The motion of the bars is controlled by two cranks 8 and 9, each beam being directly connected to the lower crank 8 and to the crank 9 through a link. The cranks are mounted on a sub-frame which is pivoted at its forward end to a wheeled carriage 1 so that the depth at which the bars 10 and 11 operate may be varied by raising or lowering the rear end of the sub-frame by a winch and a wire 38. Springs 26 are provided for the bars to strike against when at their highest position, so shaking the dirt clear of the cutters. An engine may be provided on the carriage 1 for driving the cranks and road wheels or power may be supplied through a power take-off on a tractor, the trenching machine then either being towed by or pushing the tractor, depending as to whether the drive from the take-off to the shaft 45 through the gear-box 44, mounted on the trenching machine, is connected to the tractor wheels or to the wheels 2.
Patent GB-141678-A (GB)
Title: Improved window pane
IPC: E06B3/66
Filed: 1920-03-03
Abstract: 141,678. Heller, O. April 11, 1919, [Convention date]. Windows. - Double panes for windows are made by cementing two similar sheets of glass a, b, to spacing strips of cardboard &c. c with water glass &c. The space between the panes may be exhausted or filled with dry air or carbonic acid gas to reduce heat transmission, openings being left for the purpose by inserting wires through the spacing strips, the openings being afterwards sealed. With large panes exhausted of air, supports such as paste board may be introduced at intervals between the panes.
Patent GB-556189-A (GB)
Title: Apparatus for crushing coconut husks and obtaining coir fibre therefrom
IPC: D01B1/12
Filed: 1942-05-14
Abstract: 556,189. Crushing apparatus. FAIRBAIRN LAWSON COMBE BARBOUR, Ltd., and SUFFERN, W. S. May 14, 1942, No. 6561. [Class 59] Apparatus for crushing coconut husks comprises two pivoted jaws A, B faced with projections a, b and moved towards and away from each other by cranks or eccentrics a<SP>3</SP>, b<SP>3</SP> on a driven shaft D one jaw being mounted on a fixed pivot a' at its lower end and the other, also at its lower end, on a movable pivot b<SP>1</SP> which moves downward as the jaws close. For this purpose the pivot b<SP>1</SP> is mounted on an eccentrically-rhounted arm F under the constraint of a link G. The projections a, b diminish towards the lower ends of the jaws which are formed with flaring parts C at the top.
Patent GB-630961-A (GB)
Title: Improvements in or relating to variable speed transmissions
IPC: F16H47/08
Filed: 1946-03-05
Abstract: 630,961. Hydraulic clutches. BORGWARNER CORPORATION. March 5, 1946, No. 6778. Convention date, July 9, 1942. [Class 69 (ii)] [Also in Group XXIV] In friction clutches in parallel with speedchanging means between a driving and a driven shaft, the effect of drag between the clutch members, when the clutch is disengaged and the speed-changing means is operative, is eliminated by freeing one clutch member from its shaft by releasable connecting means which are either fluid pressure controlled or conditioned for a drive therethrough by means responsive to driving or driven shaft speed. As shown applied to hydromechanical variablespeed gearing of the kind described in Specification 624,858, in which a hydraulic torque converter 12, Fig. 1, is followed by an epicyclic gear 13 and both have direct drive friction clutches 36, 57 respectively across them, the clutch 36 operates in the converter fluid space and comprises a single driven plate 35, engaged between a back plate 18 and a combined piston and presser plate 30 when pressure fluid is supplied to the latter via conduits 28, 27. The plate 35 is connectible to its shaft 15 by a one-way clutch comprising rollers 39 mounted in a cage 42 which is rotatable by spring- restrained centrifugal weights 44, acting through forked arms 45 and pins 46, to a jamming position. Below a predetermined speed of the shaft 15, when the clutch 36 is disengaged and the converter 12 operative, the plate 35 is free on its shaft 15 to rotate under the fluid drag of the member 30. Above this speed the clutch 39 is brought into operation and the clutch 36 is thereafter engaged for a direct drive across the converter. In a non-speedresponsive modification, Fig. 4, the roller clutch is replaced by radially sliding ratchet pawls 69 forced outwards against spring action by fluid pressure, supplied via conduits 74, 73 to engage co-acting ratchet teeth on the hub 65 of the plate 35. The pawls are mounted in a member 63 supporting the plate 35 and connected to the shaft 15 by circumferentially acting springs 64.
Patent GB-124611-A (GB)
Title: Improvements relating to Hair Cutting Devices.
Inventor: DAVIES DANIEL ROWLAND
IPC: B26B21/12
Filed: 1918-04-23
Abstract: 124,611. Davies, D. R. April 23, 1918. Hair - cutting devices of safety-razor type; razors, safety. A hair-cutting device applicable for use as a safety razor comprises a finetoothed hair comb a, Figs. 1 and 2, carrying a metal casing b adapted to receive a razor blade c in such a manner that the edge of the razor lies close to the points of the comb teeth. The razor blade is secured in position by hinged clips d and by a screw c<1>. In a modification, the comb a has transverse slots h, Fig. 5, to receive adjusting-bolts g, i passing through a clip f which holds the razor blade c in place.
Patent GB-817997-A (GB)
Title: Tape transport system
IPC: G11B15/58
Filed: 1956-03-05
Abstract: 817,997. Automatic tape-feed control systems. DEHN, S. G. (Consolidated Electro-dynamics Corporation). March 5, 1956, No. 6917/56. Class 38 (4). [Also in Groups XVI and XXXVII] Relates to a tape feeding system of the type wherein a slack loop is formed in the tape between a feeding reel and an operation zone and a further slack loop is formed between the operation zone and a take-up reel, and means are provided for maintaining the length of each loop within an upper and a lower limit. As shown in Fig. 1, tape passes from a supply reel 10 via an operation zone 13 which may contain magnetic recording and reading heads, to a take-up reel 11. The slack loops 12 and 14 are positioned in vacuum columns 15 and 16 and a vacuumoperated sensing switch 18 or 19 is operated if loop 12 is too short or too long respectively, switches 20, 21 being similarly controlled by the length of loop 14. In alternative arrangements the switches may be controlled by photo-cells, Fig. 8 (not shown), or mechanically by a pivoted arm operated by the loop, Fig. 9 (not shown). Sensing devices 24, 25 provide an electrical signal when the end of the tape is approaching. The switches 18, 19 and 20, 21 control motors 22, 23 respectively, Fig. 2, a direction control 30 determining the direction of movement of the tape. The supply reel control circuit 33 responds to indications from the switches 18, 19, and controls the motor 22 and similarly the circuit 34 responds to indications from switches 20, 21, and controls motor 23. Each sensing switch has a pair of normally closed contacts and a pair of normally open circuits. As shown in Fig. 4, the field coils 40, 43 of supply motor 22 and take-up motor 23 respectively, are connected directly across the supply leads 41, 42 and the switches are set for no movement of the tape. The supply motor armature 44 is short-circuited through reverse contacts 48, contact 49 of the lower sensing switch L, contacts 46 of the upper sensing switch S, and the forward contacts 47. The take-up motor armature 45 is similarly short-circuited. If the tape is to be moved in the forward direction contacts 47 and 51 are opened and 54 and 57 are closed and the armature 44 is energized via resistor 55, and armature 45 via resistor 56. If the supply loop length is short, contacts 46 open and contacts 58 close and resistor 59 is shunted across resistor 55 to increase the motor speed. If the supply loop length is too long contacts 49 open and contacts 60 close and the armature is thereby shunted by a combination of resistors 55 and 61 to apply a braking action to the motor. The take-up motor is controlled in a similar manner, and to reverse the movement of the tape the connections to the armatures 44, 45 are reversed and the motor controlled as previously described.
Patent GB-855835-A (GB)
Title: Improvements in or relating to the correction of irregularities in tracks and railroads
IPC: E01B35/00
Filed: 1958-03-04
Abstract: 855,835. Testing alignment of tracks. McCORMICK, W. C. March 4, 1958 [March 13, 1957], No. 6931/58. Class 97(2) An apparatus for testing the alignment of a track comprises means for establishing a reference line along a track rail between a front and rear station, and an intermediate station situated nearer the rear station than the front, for measuring the relationship between the rail and this line. As shown, the rear car 10, the front car 12, and two intermediate cars 14 are connected by rods 16 and can run along the track on wheels. The reference line is a wire 36, the tension of which can be adjusted by a hand wheel 34, and its vertical height can be adjusted by a handle which is not shown. Push rods 50, 60 and 102 bear against the side of the rail head to eliminate lateral play. The intermediate cars are movable along the tracks, and means are provided for recording the relation between the track and the reference line. It may also be possible to move the front car or the front end of the wire to correct the bend in the track, the rail being subsequently moved to the position thus indicated.
Patent GB-424031-A (GB)
Title: Improvements in or relating to gang lawn mowers
IPC: A01D75/30
Filed: 1934-03-05
Abstract: 424,031. Lawn-mowers. WORTHING- TON, C. C., Dunfield, New Jersey, U.S.A. March 5, 1934, No. 6942. Convention date, March 10, 1933. [Class 6 (ii)] A machine for cutting a wide uniform swath on putting-greens &c. comprises a gang of units each provided with a single accessible adjusting-device for making small adjustments of its gauge roller, comprising an adjuster member and a power-multiplying operating connection between the adjuster member and the support for the roller, the power-multiplying ratio of the connection making it non-reversing. The machine may be a gang mower of the type described in Specification 301,382 comprising a manually guided tractor with overlapping mower units. The gauge roller 4 of each unit is mounted in arms on a rock-shaft 7 provided with an arm 9 engaged by the T-shaped head 12 of a screw 11 which passes freely through a fixed lug 10 into engagement with a wing nut 14, a spring 13 surrounding the screw 11 between the arm 9 and lug 10. The contacting surfaces of the nut 14 and lug 10 are made cylindrical so as to lock the nut against accidental rotation. The adjusting mechanism slopes backwards at the side of the unit so as to be accessible without removing the grass-box. Reference has been directed by the Comptroller to Specifications 15394/01, [Class 6], and 320,957, [Class 6 (ii)].
Patent GB-1158242-A (GB)
Title: Polytetrafluoroethylene composition
IPC: C08L29/14
Filed: 1968-02-13
Abstract: 1,158,242. Low friction coatings. ACHESON INDUSTRIES Inc. 13 Feb., 1968 [13 June, 1967], No. 6945/68. Heading B2K. [Also in Divisions C3 and C4] A low-friction surface coating is formed on a substrate by applying to the substrate a dispersion composition comprising (a) 20 to 70% by weight of total solids of polytetrafluoroethylene particles of molecular weight from 500,000 to 10 million; (b) 10 to 70% by weight of total solids of a polyurethane resin component, consisting essentially of a moisture curing polyester-polyisocyanate reaction product having a viscosity of 2.5 to 7.5 poise at 25‹C, an isocyanate value of 2.5% to 4.5%, and a volatile organic isocyanate content below 0.5%, the resin component being dissolved in a solvent material; (c) 10 to 40% by weight of total solids of polyvinyl butyral; and (d) a fluid carrier material; the total solids content on a solvent free basis of (a), (b) and (c) of the composition being less than 25% by weight of the composition. In the Examples degreased steel panels and rubber strips are spray coated.
Patent GB-622343-A (GB)
Title: Improvements in gas cookers
IPC: F24C3/08
Filed: 1947-03-13
Abstract: 622,343. Gas burners. TURLEY & WILLIAMS, Ltd., SMITH, C. D., and OTTON, D. H. March 13, 1947, No. 6970. [Class 75(i)] A gas cooker has means for locating each gas ring, comprising an annulus mounted on a bracket or frame inwardly directed from the main frame of the cooker and positioned within the lower part of the ring. Burners a and tubes a<SP>1</SP> are made from sections of sheet metal welded together, the ring end being located by an annulus c welded to the upper edge of a metallic strip bracket d arranged below the hotplate and directed inwardly from the main framework of the cooker which is preferably made from metallic tubing.
Patent GB-364417-A (GB)
Title: Improvements in and relating to chain driving mechanism
IPC: B62K5/02
Filed: 1931-03-06
Abstract: 364,417. Tricycle chain adjustment. ARTER, M. S. and JAMES CYCLE CO., Ltd., James Works, Gough Road, Greet, Birmingham. March 6, 1931, No. 6990. [Class 136 (iii).] For the purpose of chain adjustment in a carrier tricycle &c. the tube 1 carrying the rear axle to which are secured the driving-wheels 2 is mounted in blocks 7 slidable in the slotted ends 4 of the side frame tubes 3. The inner surfaces x, Fig. 3, of the slotted parts 4 and the upper and lower surfaces of the blocks 7 are curved transversely, so as to prevent lateral movement of the blocks and axle. Each block 7 is provided with an adjusting- screw 9 passing through an endplate 5 and engaging a milled nut 11 and a lock-nut 10. The inner end of the torque tube 12 slidably engages a socket 13a on the transverse frame member 13, and is locked therein by a screw 14 after the adjustment of the axle has been effected.
Patent GB-1418071-A (GB)
Title: Flooring slab and a system comprising a floor formed by such  slabs for drying or ventilating vegetable matter for example  corn hay or potatoes
IPC: F26B25/10
Filed: 1973-02-14
Abstract: 1418071 Drying vegetable matter R P CUNDY 30 Nov 1973 [14 Feb 1973] 7123/73 Heading F4G A flooring slab for use in drying vegetable matter such as corn, hay or potatoes, has an upper planar face 1 in which are formed recesses 3 and a lower planar face 2 from which extend holes 4 of lesser cross section than the recesses to form ledges 5 therewith, the slab being made from precast concrete, moulded fibre reinforced plastics or cast molten metal. Each ledge 5 supports, in use, a foraminous cover 15. The slabs form a floor on which the vegetable matter is placed air being blown from a plenum chamber 14 through conduits 13, the upper sides 12 of which are formed by the slabs, and then through the foraminous covers 15 into the vegetable matter. The slabs may be reinforced by metal rods. The recesses 3 may be of square, rectangular or circular cross-section and covers 15 may be of expanded metal. Positions of communication of the conduits with the chamber 14 may be arranged to be closed by shutters.
Patent GB-796621-A (GB)
Title: Improvements in or relating to the manufacture of high linear polyesters
Inventor: KOWOLIK ERNEST JAN
IPC: C08G63/85
Filed: 1956-03-07
Abstract: A linear polyester of intrinsic viscosity at least 0.5 is made by polycondensation of a bishydroxyester of a dicarboxylic or of a low polyester obtainable by polycondensation thereof in the presence of a tin phosphide as a catalyst.  The bis-hydroxy-ester or low polyester thereof may be prepared by effecting ester-interchange between a glycol and a diester of a dicarboxylic acid or by reacting a dicarboxylic acid with the cyclic carbonate of a glycol according to the process of Specifications 707,913, 742,793 and 764,964.  The dicarboxylic acid may be adipic, suberic, sebacic, terephthalic, a substituted terephthalic, diphenyl-4,4 - dicarboxylic, a ,b  - diphenylethane - 4,41-dicarboxylic, a ,d  - diphenylbutane - 4,41-dicarboxylic, a ,b  - diphenoxyethane - 4,41-dicarboxylic, a ,d - diphenoxybutane - 4,41-dicarboxylic and the 1,5-, 2,6- and 2,7-naphthalene dicarboxylic acids.  The glycol preferably has the formula OH(CH2)nOH where n=2-10.  In examples: (1) polyethylene terephthalate was made by reacting dimethyl terephthalate with ethylene glycol in presence of SnP; (2) polyethylene terephthalate was made by reacting terephthalic acid with ethylene carbonate in presence of sodium terephthalate and titanium dioxide and polycondensing the resulting low polyester in presence of SnP; (3) polyethylene sebacate was made by heating sebacic acid with ethylene carbonate in presence of sodium beryllate and polycondensing the resulting low polyester in presence of SnP; (4) As in Example (3) but the SnP was present from the beginning of the reaction, replacing the sodium berylate.