baber/WOPTO huggingface dataset:
Patent GB-717042-A (GB)
Title: A new or improved felt substitute consisting of adhesively-bound fibres
IPC: D04H1/655
Filed: 1951-08-15
Abstract: 717,042. Agglutinated fibrous sheet materials; compound sheet materials. BECKETT, L. Nov. 12, 1952 [Aug. 15, 1951], No. 19196/51. Class 140. A felt-substitute consists of cotton millpuff which has been sprayed with rubber latex while remaining in particulate condition and thereafter subjected to pressure sufficient to bind its particles into a soft, coherent mass without squeezing out any surplus latex therefrom. The sprayed particles may be pressed against or between one or two sheets or webs of open-weave fabric such as cheesecloth so as to adhere to the fabric as well as to one another. As shown, a stream of millpuff F is fed by a lattice A into a chamber C, is broken up into its constituent particles by an air blast from a duct E, and the particles are sprayed with latex from a nozzle G. A curved plate L, a beater-bar M, or both, may be provided to compress the layer of particles as they are carried out from chamber C by a conveyer D. A web of fabric N may be carried through the chamber C on conveyer D, and a second fabric layer may be let into the chamber so as to become interposed between the plate L and the millpuff. The fabric or fabrics, which may be already impregnated with latex, become united to the layer of mill puff. A greater tension may be applied to one fabric than to the other to enable the endproduct to be applied to a curved surface. The conveyer D, instead of moving continuously, may remain stationary until a certain thickness has built up, being then set in motion to deliver the sprayed millpuff which is transferred by hand to shaped moulds in which it is left to dry.
Patent GB-294372-A (GB)
Title: Ironing, shaping and drying apparatus
IPC: D06C5/00
Filed: 1927-07-20
Abstract: 294,372. Simonides, B., and Giesserei & Maschinenfabrik Oggersheim P. Sch³tze & Co. Akt.-Ges. July 20, 1927. Drying clothes. - An internally-heated mould for ironing, shaping, and drying stockings is provided with a central supply pipe 5, Fig. 3, built into the mould and opening at its upper end into two channels 6, 7 formed between the pipe and the walls of the mould for conducting the heating fluid downwards to a fluid chamber connected to a heater. The end 12 of the wall of the mould is formed into a pocket-like depression 14 which is corrugated and provided with a projecting edge 15 to receive a detachable foot portion 16. The foot is perforated at 17 and provided with a partition projecting into the pocket 14. The moulds are made of sheet iron, aluminium, or copper and are fitted on to a table 2 provided with means for circulating steam or hot air through openings 8 into the mould, the exhaust passing through openings 11. Heating-tables are described in which steam and hot air are employed, the air being heated by an electrical resistance or by tubes heated internally by oil burners. When hot air is employed, it is circulated past the heating means and through the formers by circulating fans.
Patent GB-751674-A (GB)
Title: Improvements in and relating to button or ornament head assemblies
IPC: A44B17/00
Filed: 1954-07-02
Abstract: 751,674. Button heads. WEBER, B. M. July 2, 1954 [July 2, 1953], No. 19472/54. Class 43. [Also in Group XXV] A button or ornament head for attachment to a shouldered stud 12 comprises an ornament body 26 formed of relatively rigid material such as pearl or ceramics with a cavity 28 in one face having an enlarged rear portion 32 and a resilient semi-elastic non-metallic insert 30 as of synthetic plastics of the polyamide type, vinyl type, polyethylene or cellulose acetate butyrate and including a stud-engaging portion 34 with a central hole 36 disposed in the entrance of the cavity and a retaining portion in the form of radial arms 38 extending into the rear portion 32 of the cavity so that the shouldered stud 12 is received in the cavity by snapping engagement by expansion of the central portion of the insert 30 without expansion of the body 26. In a modification the central hole 36 of the insert is provided with a bead portion disposed about the cavity entrance on the exterior of the body. As shown, the ornament forms part of the snap fastener socket 20, the stud 12 being secured to the garment portion 14 by a series of prongs 16 which after piercing the garment engage in a peripheral recess 18 of the socket 20 to enable the garment portion 14 to be secured to another portion 22 of the garment mounting the stud 24 of the snap fastener.
Patent GB-726493-A (GB)
Title: Fluorimeter
IPC: G01N21/64
Filed: 1953-07-14
Abstract: 726,493. Photo-electric fluorescence comparators. AMERICAN CYANAMID CO. July 14, 1953 [Aug. 2, 1952], No. 19509/53. Class 40 (3). A meter for comparing the fluorescence of an object with a standard comprises a low-wattage ultra-violet source, means for introducing successively into the illumination from this source a sample and a standard, a visible light detector responsive to the fluorescence and ultra-violet rejecting filters for permitting the fluorescence to reach the detector. Details of the source and illumination intensity of the surface are given in the Specification. As shown, the ultra-violet sources 5, 5 are mounted in a housing 6 together with a photo-electric cell 7 which may be of the multiplier type and a filter 23 which prevents ultra-violet from reaching the photo-cell. A slide 2 is provided having two depressions 3, 4, one of which carries the standard material and the other the material under test. When a sample material is in position a switch 9 is actuated and this prevents too great an output being applied to the indicating meter (v.i.). The ultra-violet tubes are of a low wattage type, thus preventing trouble due to heat dissipation. Circuit.-In view of the large amount of light available the photo-multiplier tube may be worked with comparatively low voltage. As shown, a potentional of about 500 volts is fed through a tapped bleeder chain, a rotatable contact on which enables a suitable operating voltage to be selected and applied to the electrodes of the multiplier tube 7. The operating range of the tube is adjusted by insertion of different resistors in the anode connection at the points marked X, Y, thus varying the size of signal fed to the grid of one of a pair of double triode valves 11. The other grid is earthed and the cathodes are each earthed through a cathode resistor and connected together through a calibrating potentiometer 24. A micro-ammeter is connected between the anodes of the valves and is provided with a short-circuiting switch. In use contacts X, Y are short-circuited, thus earthing the anode of the multiplier tube. Potentiometer 12 in the anode circuits of the triodes is then adjusted until the meter reads zero. The meter is then given a full-scale calibration by inserting the standard and adjusting potentiometer 14 and variable resistance 15 in the multiplier supply circuit. Then the sample is inserted, automatically closing switch 9 and inserting a 250 ohm resistor between terminals XY. Closing of various switches (Fig. 3, not shown), then inserts various values of resistance between terminals XY, thus providing different sensitivity ranges for the apparatus.
Patent GB-181626-A (GB)
Title: Improvements in the float-chambers of carburettors
IPC: F02M1/00
Filed: 1921-07-20
Abstract: 181,626. Cox, A. July 20, 1921. Addition to 155,109. Spray carburettors. -The filtering cup contained in the float chamber described in the parent Specification is detachably secured at its base to the float chamber in such a manner that the latter may be of the top-feed or bottom-feed type. The chamber a contains the cup b which encloses the float c and is provided with outlets e covered with a filtering medium. The cup is secured at its base by a screwed plug f having inlet and outlet apertures f<1>, f<2> in the case of a bottom-feed or by a solid plug in the case of a top feed. The underside of the cover d may be faced with felt or other material to form a joint with the open upper ends of chamber a and cup b.
Patent GB-848705-A (GB)
Title: Improvements in rear view mirrors for vehicles
IPC: B60R1/076
Filed: 1956-06-23
Abstract: 848,705. Look-out reflectors for vehicles. BATTERSBY, D. J. June 19, 1957 [June 23, 1956], No. 19525/56. Class 103(2). [Also in Group XXV] A rear-view mirror 10 is adjustably mounted at 12 on a pillar 11 carrying a spindle 15 loaded axially by a spring 24 which urges into engagement the end surface 14 of the pillar and the surface of the head 17 of a base having a threaded sleeve 18 securable to a vehicle (e.g. to a wing) by a nut 19, the engaging surfaces being formed with rings of mating radial serrations 26 spaced inwardly from the peripheral edges of the surfaces, whereby the pillar is positively located relative to the base but can rotate in the base if the mirror encounters an obstruction. The spring is rotatable in a bush 23, slidable in the sleeve 18 the bush being retained by a C-washer engaging a groove in the spindle. The spindle is also rotatable in a spigot 22 which is rotatable in a recess 16 in the pillar. The serrations are of sine-wave form in cross-section. In a modification the recess 16 and spigot 22 are omitted.
Patent GB-678064-A (GB)
Title: Improvements in zinc smelting
IPC: C22B19/18
Filed: 1950-08-04
Abstract: In the production of metallic zinc vapour by the distillation of zinc in the presence of a diluent gas including an oxidizing constituent with the resulting oxidation of zinc vapour by the oxidizing constituent at 800-1300 DEG C, there is introduced a crackable hydrocarbon which, by its cracking, produces a cloud of incandescent nascent carbon particles which prevents oxidation of the zinc.  The crackable hydrocarbon may be a liquid or a gas introduced directly into the vapour space of a distillation apparatus, or may be introduced in the form of bituminous coal from which the volatile constituents are distilled.
Patent GB-1276933-A (GB)
Title: Method of making filtering material for tobacco products
IPC: A24D3/02
Filed: 1970-04-23
Abstract: 1276933 Tobacco-smoke filters CELFIL CO ETAB 23 April 1970 [30 April 1969 24 March 1970] 19618/70 Heading A2C [Also in Divisions D1 and D2] A filter cord is made by passing a fibrecontaining web, e.g. of paper, through at least one nip between two rotating rolls, e.g. 8, 9, 10, with close intermeshing annular ribs which do not, however, contact each other, wherein, prior to its entry to the nip, the web is impregnated with an impregnant having a boiling point less than that of water, and a heat of evaporation less than 250 Kcal./Kg., freeing the web from impregnant, and cording the crimped web in a cording machine 41-49. The web may be freed of impregnant by evaporation, or by suction as at 15. Wrapper 47 is supplied to surround the filter, and the finished cord may be cut into filter rods. The impregnant may be a pure liquid or a solution. The solutions may contain dissolved substances, e.g. cellulose esters, cellulose nitrate, hydroysed cellulose, polyhydric alcohols, monovalent hydroxycarboxylic acids, monovalent carboxylic acids, and flavouring substances, e.g. hydroxy-substituted polycarboxylic acids, which remain in the material after removal of the solvent. A similar solution may also be applied prior to applying impregnant. The width of the paper web before cording can be adjusted by varying the amount of water in an impregnant/ water mixture.
Patent GB-1434476-A (GB)
Title: Lifting devices
IPC: B66C1/22
Filed: 1974-05-03
Abstract: 1434476 Load spreaders J F ARCHER 3 May 1974 [10 May 1973] 19639/74 Heading B8H A load spreader comprises a beam formed of channel members 1, 2 held in spaced, parallel relation by a plate 5 and load support carriages movable along the beam. Each carriage is formed of a pair of spaced, parallel plates 11 having lugs 11a, 11b and a shaft 10 extending between the plates to suspend a hook 8. In use the spacing of the carriages is adjusted to suit the load to be handled and upon application of the load to the hooks the lugs of the respective carriages are forced against the flanges of the channel members to lock the carriage against movement along the beam. In an alternative embodiment, Fig. 3 (not shown), a suspension loop (3) for the beam is connected to the shafts (16) on the carriages and load engaging devices separate from the carriages are provided on the beam.
Patent GB-1387876-A (GB)
Title: Multiple actuator control system for vibration test apparatus
Inventor: LARSON RODNEY R
IPC: G01M7/02
Filed: 1972-04-27
Abstract: 1387876 Automatic control of testing MTS SYSTEMS CORP 27 April 1972 [30 April 1971] 19647/72 Heading G3N In vibration test apparatus wherein four vibration actuators 12A ... 12D act on rigid structure 10, control means are provided to ensure that the four actuators work together. As shown each actuator is hydraulically controlled by means of a servovalve 16 and a valve driver 18, the latter being controlled by a controller 20 which compares an input signal a with a feedback b to provide the controlling error signal c. Each actuator is also provided with a displacement transducer 28 to measure piston displacement, and a differential pressure transducer 30 to measure the applied force. The eight signals thereby produced are utilized to modify the signal derived from a tape 60 before application to the controller 20, to take account of average value, table level, and roll. In a master stability control circuit 38 the average of the four displacement signals is obtained, together with the differential of this signal at 42, and the average of the four force signals. These three inputs a b and c together with the tape input d are applied to a summer 64 in a vertical master controller 62 whose output provides the first input a to each of the summers 70A, 70B, 70C, 70D, of a four channel summer. A table levelling circuit 49 receives as inputs the four force signals, the signals from 12B and 12D being inverted at 54 and 56. The four inputs are averaged and the output is fed as input b to the two summers 70B and 70D in the four channel summer. The output is also inverted at 58, this signal being fed as input b to the other two summers 70A and 70B. In a roll stability control circuit a first summer 74 averages the displacement signals, with the signals from 12A and 12D being inverted. The output and its differential obtained at 80 provide two inputs a b of a summer 94. A summer 84 receives the force signals (a and d being inverted) and provides an average which forms the third input c of the summer 94. The summer 94 is part of a roll controller 92 which provides a positive and an inverted output. The former being fed as inputs c to the two summers 70B and 70C and the latter being fed as inputs c to the summers 70A and 70C. The outputs of the summers 70A, 70B, 70C, 70D are fed to the four controller of the actuators 12A, 12B, 12C, 12D respectively.
Patent GB-1065235-A (GB)
Title: Improvements in or relating to apparatus for and method of carrying out endothermic gas reactions
IPC: C01C3/02
Filed: 1964-05-12
Abstract: <PICT:1065235/C4-C5/1> Endothermic gas reactions, e.g. the cracking of C1- 4 hydrocarbons to acetylene, or C2- 6 hydrocarbons to ethylene and propylene, are performed by passing the reactants down an annular passage 5 while heating gas passes in the same direction down passage 4, passages 4,5 being concentric, annular and separated by a wall 2 of refractory material.  Central body 3 may be a rod or a closed-end tube.  Passage 4 may be enclosed by a tube 1, or may be a cylindrical passage through a moulded brick (Fig.2, not shown).  The brick may be of square or hexagonal section (Fig.3, not shown) having one such passage, or may have a plurality of passages (Figs. 4a, 4b, not shown).  In either case, bricks may be stacked to form a reactions block with the passages 4 all parallel.  Tubes and bricks are zirconia or corundum (Al2O3). The respective flow rates of heating gas and reactants are controlled so that similar pressure gradients exist along passages 4,5, and a higher pressure may be maintained in passage 5 in case wall 2 is not gas-tight.  Typically, reactant gas enters passage 5 at 1000 DEG  C. and leaves at 1650 DEG  C. after an interval of 10-2 sec., the corresponding heating gas entry and exit temperatures being 2200 DEG  and 1750 DEG  C., the passages being 1.9 m. long.ALSO:<PICT:1065235/C1/1> Endothermic gas reactions, e.g. the reaction of CH4 and NH3 to give HCN, are performed by passing the reactants down an annular passage 5 while heating gas passes in the same direction down passage 4, passages 4, 5 being concentric, annular and separated by a wall 2 of refractory material.  Central body 3 may be a rod or closed-end tube.  Passage 4 may be enclosed by a tube 1, or may be a cylindrical passage through a moulded brick (Fig. 2, not shown).  The brick may be of square or hexagonal section (Fig. 3, not shown) having one such passage, or may have a plurality of passages (Figs. 4a, 4b, not shown).  In either case, bricks may be stacked to form a reactions block with the passages 4 all parallel. Tubes and bricks are zirconia or corundum (Al2O3). The respective flow rates of heating gas and reactants are controlled so that similar pressure gradients exist along passages 4, 5, and a higher pressure may be maintained in passage 5 in case wall 2 is not gas-tight. Typically, reactant gas enters passage 5 at 1000 DEG  C. and leaves at 1650 DEG  C. after an interval of 10-2 sec., the corresponding heating gas entry and exit temperatures being 2200 DEG and 1750 DEG  C., the passages being 1.9 m. long.
Patent GB-369831-A (GB)
Title: Improvements in or relating to riveting
IPC: B21J15/18
Filed: 1931-07-09
Abstract: 369,831. Riveting. BUDD INTERNATIONAL CORPORATION, 25th Street, Philadelphia, U.S.A.-(Assignees of Stever, W. ; 4311, North 9th Street, Philadelphia, U.S.A.) July 9, 1931, No. 19778. Convention date, July 10, 1930. [Class 83 (iv).] A riveting machine which heads a rivet by a series of impacts is automatically stopped on that impact which brings the rivet to a predetermined length. The approach of the dies 12, 11, and the subjection of the rivet to a series of impacts is effected by admission of compressed air through a supply pipe 18 and valves 29, 17 to a motor 15. The valve 29 being in operative position, the valve 17 is opened to start the operation by depressing a pedal 19 which through a lever 20, rod 21, and crank 22, oscillates a shaft 23 which rotates the actuating member 26 for the valve through crank 24, 25. Upon downward movement of the riveting head an arm 40 depresses a spring-held spindle 38 which brings a resilient plate 42 against the edge of a projection 43 which has been rocked to a position beyond the end of plate 42, and the valve 17 is retained in the operative position independent of further action of the pedal. As the die 12 continues to approach the die 11, cams 36, 37 on the spindle 38 are in engagement with a follower 45 on an arm 35 to depress the arm until it closes contacts 34 at a predetermined point. A switch 33 having been closed at the beginning of the operation, an electromagnet 30 is energized to operate the valve 29 and stop the machine, the mechanism retaining open the valve 17 being simultaneously released.
Patent GB-141590-A (GB)
Title: An improved crutch applicable also for use as a walking stick or elbow crutch
IPC: A61H3/02
Filed: 1919-08-12
Abstract: 141,590. Warry, A. E. Aug. 12, 1919. Crulches.-A crutch, convertible into a walking - stick, comprises telescoping tubes A, B that can be locked in any relative position by rotating the handle J and the attached screwed rod F, thus causing a wedge E to move axially to jam the lower end of the inner tube against the walls of the outer tube. Rotation of the wedge is prevented by wings G engaging slots in the inner tube. An inner tube K may be drawn out of the walking-stick handle J to form a complete crutch head. The continued rotation of the handle, after the wedge E is fixed in the locking position, moves the rod F axially until the end play in the squared portion F' is taken up, thus causing the nut M to bind on the tube K and lock it in its extended position. A detachable handle O may be fitted to the stem when the appliance is used as a crutch.
Patent GB-320125-A (GB)
Title: Improvements in the production of concentrated nitric acid from dilute solutions
IPC: C01B21/26
Filed: 1928-07-07
Abstract: 320,125. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). July 7, 1928. Nitric acid.-Concentrated nitric acid is prepared from dilute nitric acid by extraction with liquid nitrogen peroxide at 30-60‹ C. in a closed vessel whereby considerable pressure is attained. The upper layer of nitrogen peroxide is removed and may be distilled to obtain concentrated nitric acid or may be cooled to form two layers, the lower one containing the bulk of the nitric acid and the upper one mainly nitrogen peroxide which may be used again for extraction. Waste acids such as those obtained in nitrating cellulose or in making dyes or intermediates may be treated.
Patent GB-689982-A (GB)
Title: Improvements in machines for folding leather and like materials
IPC: C14B1/04
Filed: 1950-08-09
Abstract: 689,982. Folding edges. PERRY, E. J. Aug. 9, 1950. [Aug. 25, 1949] No. 19839/50. Class 42 (i). [Also in Group XXV] An attachment for folding straps of such materials as leather, paper and fabric, includes an elongated supporting plate, having an elongated guide groove adapted to receive a flat or partly folded strap, a transverse bridge piece at the front or exit end of the groove or channel and forming therewith an exit slot, and means near the exit slot for infolding at least one edge of the strap. The attachment as shown in Fig. 5 may comprise a plate, grooved at its edges to enable it to be fitted into a supporting apron and having a longitudinal channel 28. It is provided at its rear end with a member in which is a guide slot 31 for the strap, and at its front end with a bridge from which extends a tee-piece 33, having its limbs suitably chamfered. The strap is passed through the slot 31, beneath the tee-piece 33, which folds the edges, and beneath the bridge. If the folds are not to extend to the centre, a block 42 is secured or formed under the teepiece, otherwise it is omitted. For folding one side only, an L-piece is used. Wider straps may be guided by a rear metal strap having spaced side wings, the edges then being given right angle folds by guides 48 (Fig. 11) before being folded over by a tee-piece ,49. If the folded edges are to meet in the centre-line, the strap is guided by the upstanding wings 54A of a metal strap 54 (Fig. 15), is given a U-shape by passing between hooked members and passes under a plate 57 having a triangular cut out portion and a depending tongue 59, and through a triangular aperture 56 in a front plate 55. Folding is completed by passing between rollers. In a modified form, two parallel transverse angle plates are secured to a block ; a slot is cut in the foremost upstanding flange and a registering channel and a further slot, having a central depending tongue, are cut in the rear one. A narrow supporting plate and a transverse metal strap with side wings, are secured in rear of the angle plates. The folding attachments are adapted to slide in grooves in an apron 24 (Fig. 18) which is bolted to uprights 64 in which are mounted the journals of rollers 60, 61, the roller 61 being concave and roller 60 convex. The rollers are geared together and driven intermittently by the shaft 69. The strap may be coated with adhesive before folding, and a reinforcing or filler strip may be fed through a second slot in the rear guide member and enclosed in the strap as it passes through the folding unit and rollers. Or, a second exit slot may be formed above the exit slot of the attachment, and a tape, coated on one or both sides with adhesive, fed through this in contact with the folded strap as it passes between the rollers, and be stitched thereafter.