baber/WOPTO huggingface dataset:
Patent GB-188304-A (GB)
Title: Improvements in combination mold
IPC: B29C33/38
Filed: 1922-08-22
Abstract: 188,304. Schavoir, A. L. Oct. 29, 1921, [Convention date]. Void [Published under Sect. 91 of the Act]. Moulds.-A mould for forming in one operation a number of rubber, celluloid, &c., articles such as balls, dolls, &c., consists of a pair of castings pivoted together by arms 12, 13. Each casting comprises a base 15 strengthened by cross ribs 29, 30 a second base 18 parallel to the first and forming, heating, or cooling chambers 19 therewith, side walls 16, 17, and a number of parallel holding strips 20. Blocks 22 of relatively soft metal forming half moulds are held between the strips 20 by bars 26, Fig. 3, fitting in recesses 25 and bearing on shoulders 27 formed on the blocks 22. Alternatively, the blocks 22 are held between the strips 20 by screws 28, Fig. 4, threaded in the strips 20 and having enlarged heads 26<1> with downwardly extending edges 40. The castings are locked together by cam-faced levers 37 which bear against V-shaped lugs 33 and hold in position links 35 pivoted to cross pins 34.
Patent GB-182716-A (GB)
Title: Improved arrangement for the production of water circulation and collection of sediment in steam boilers
IPC: F22D7/02
Filed: 1921-08-30
Abstract: 182,716. Voigt, M. H. Aug. 30, 1921. Water-circulation, apparatus for promoting- The pressure of steam formed under watersealed hoods c, supported on hinges d over each furnace flue of a boiler a forces water from receptacles b, placed below the normal water level of the boiler, through gaps h, formed between the hoods c and the receptacles b, thus causing water to circulate until the pressure under the hoods c falls sufficiently to permit water from the boiler to flow into the receptacles b, until the partitioned openings o to the steamcollecting tubes f become covered. This is arranged to occur when the receptacles bare almost filled, whereupon the cycle of operations is repeated, water being forced out through the gaps h until the receptacles are almost emptied, the lowest points of the tubes f and the upper edges of the gaps h being approximately in the same plane. The liberation of steam from the steam and water issuing from the gaps h is facilitated by wedge-shaped deflecting-bodies i placed at the front of the gaps. Corrugated sheets k aid the water circulation and are secured at one end to a sediment collecting sleeve l placed over a blow-off pipe n, the plate m serving to prevent stirring of the sediment collected at the bottom of the boiler. The hoods c may be turned back upon the hinges d to facilitate cleaning of the receptacles b.
Patent GB-1494607-A (GB)
Title: Driving devices for perforated strip-like material
IPC: G03B1/24
Filed: 1976-06-04
Abstract: 1494607 Intermittent film drive STAAR S A 4 June 1976 [5 June 1975 26 May 1976] 23066/76 Heading G2E [Also in Division B8]  An intermittent film drive having a toothed wheel for engaging the film perforations, the wheel forming part of a toothed plate, has a driving means which can rotate and slide axially, which means can be urged into engagement with the toothed plate so as to impart an angular oscillation thereto. As shown in Fig. 1, the toothed wheel 1 has peripheral teeth 2 which engage in the perforations 4 of the film strip 3 and transports it in direction 20. The wheel forms part of a plate 1a having a series of bevelled steps 8 and also having a cylindrical sleeve 11. The whole structure 1, 1a and 11 can rotate on a shaft 6. A second plate 10 has bevelled steps 9 so shaped as to fit into steps 8. Plate 10 also has a sleeve portion 10a which fits over sleeve 11, so that plate 10 can rotate and slide axially. Sleeve 10a has a radial stud 12 which is engaged with a fork 13 forming part of an element 15 which pivots on shaft 6. Element 15 has an arm 16 which is urged downwards by a spring 17, and is moved intermittently against this spring by an eccentric cam 18. Thus rotation of cam 18 produces an oscillating motion of plate 10. As it rotates one way, steps 9 engage with steps 8, under the action of a spring 19, to impart a rotating movement to wheel 1, and hence the film is transported. As plate 10 rotates the other way, steps 9 slide over steps 8, Fig. 2 (not shown) so that wheel 1 remains stationary. Thus an intermittent drive of film strip 3 is produced. Locking means may be provided (lever 23, 24, 25) Fig. 3 (not shown) which positively locks the wheel 1 between each movement. A further locking means (29) enables any desired frame to be halted in the gate 5 for as long as is required, even though cam 18 continues to rotate. Fig. 4 shows a modification in which the plate 1a is double-sided, now being designated 30 and having bevelled steps 34, 34' on its opposite sides. Plate 10 is replaced by a pair of plates 36, 36' having steps 40 and 40' respectively. Plates 36 and 36' are joined by a cross-bar 38, attached by a spring blade 56 to a control bar 58. One or other of the sets of steps 40, 40' can be brought into engagement with the corresponding steps 34 or 34', by shifting crossbar 38 axially by means of sliding bar 58 into the "A" or "R" position. In the "A" position of Fig. 4, the film is driven in the direction of arrow 62, and in the "R" position Fig. 5 (not shown) it is driven in the opposite direction. In the intermediate "O" position neither side is coupled to the drive, so that the film remains stationary.
Patent GB-676419-A (GB)
Title: Process for improving the crease-resistance of materials made of natural or regenerated cellulose
IPC: D06M15/423
Filed: 1948-09-01
Abstract: Natural or regenerated cellulose textile material is impregnated with a solution in water of (1) an aldehyde or a compound forming an aldehyde during the treatment, (2) a nitrogen-containing reaction product of a polyhydric aldehyde- or ketone-alcohol with at least four carbon atoms in the molecule with (a) an organic compound of general formula CX(NHR)(NH2), where R may be hydrogen, an alkyl, aryl or aralkyl group and X is oxygen, sulphur or a = NH group, or (b) melamines, which reaction product is formed by heating to 50-70 DEG C. in the presence of a dehydrating agent, and also (3) such a quantity of acid or acid-forming compound to ensure that the pH of the material during subsequent heating is not more than 2. Suitable aldehyde- or ketone-alcohols are tetroses such as threose and erythrose, pentoses such as arabinose and hexoses such as glucose, galactose, mannose and fructose.  Polysaccharides such as cane sugar or maltose may also be used.  Suitable nitrogen-containing compounds are urea, thiourea and guanidine, their mono-substituted alkyl, aryl or aralkyl derivatives such as methyl- and butyl-urea, and substituted and unsubstituted melamines.  A preferred nitrogen-containing reaction product is glucose-ureide.  The low pH may be obtained by addition of strong acids, but it is preferred to establish it by the addition of compounds such as ammonium chloride which react with aldehydes to form a strong acid.  It can also be obtained by addition of compounds which release acid on heating, such as monochloracetamide and beta-chlorohydrocinnamic acid. Formaldehyde and glyoxal are suitable aldehydes, or if desired compounds forming aldehydes during the treatment such as paraformaldehyde and methylolacetamide may be used.  The aldehyde should preferably be in at least five-fold molar excess in relation to the nitrogen containing product.  In an example 120 g. of glucose-urede is dissolved in 400 c.cs. of 40 per cent aqueous formaldehyde; 5 g. of a molten polyethylene glycol polymer is added, the solution diluted with 400 c.cs. water, and 10 g. of ammonium chloride in 80 g. water and 4 g. of triethanolamine are added.  This solution is used for impregnating a regenerated cellulose fabric (100 per cent pick up). The impregnated fabric is heated for 10 minutes at 90 DEG  C., soaped, rinsed and dried.  The finished fabric is proof against shrinking and has increased 13 per cent in weight.
Patent GB-697571-A (GB)
Title: Improvements in rail anchors
IPC: E01B13/02
Filed: 1951-10-03
Abstract: 697,571. Making railway rail anchors. P. & M. CO. (ENGLAND), Ltd. Oct. 3, 1951 [Oct. 17, 1950], No. 23088/51. Classes 83 (ii) and 83 (iv). [Also in Group XXX] Angular bending.-A rail anchor (see Group XXX) is pressed and bent from a metal bar to the configuration shown in Fig. 5 and the partially formed blank is placed on an anvil portion 23 of a lower die against which it is held by an upper die 24 and the end 26 is bent to form a jaw 16, Fig. 2, by an arm 25 pivotally mounted on a plunger 27 and moved inwardly by a roller 28 running on a cam face 29 on the lower die as the plunger is moved downwards to the position shown in Fig. 6. Near the end of the downward movement of the arm 25 a flat surface 38 thereof is brought to bear against the outer surface 31 of the hook portion and so to press the bar against an anvil 33, thus forming the flat parallel vertical faces 17a, 17b.
Patent GB-518920-A (GB)
Title: Improvements in or relating to windscreen wiper blades, and methods of assembly thereof
IPC: B60S1/38
Filed: 1938-08-04
Abstract: 518,920. Windscreen-cleaners. O'SHEI, W. E., and TRICO-FOLBERTH, Ltd. Aug. 4, 1938, No. 23117. [Class 138 (i)] A blade for a windscreen-wiper comprises a channelled holder having, a closed back 5 and a constriction 6 spaced from the back, and a squeegee 1 having a head 2 which can be slid into the holder and held against tranverse movement by the constriction. The squeegee is held against longitudinal movement in the holder by a detachable plate 7, which engages in a slot 8 in the holder and a recess 10 in the squeegee, and which may comprise the usual hook 9 for attachment to the wiper arm. In a modification, the squeegee is held against longitudinal movement by a constriction or pin provided at the lower end only of the holder. The holder may be adjustable in length, a suitable length of squeegee being cut from stock. As shown in Fig. 4, the holder comprises telescopic parts 15, 16 which are retained in adjusted position by friction or by punchings 19. The parts 15 may be closed at their outer ends, one part being removed for insertion of the squeegee. The attaching hook 9 may be secured to the part 16 by a spring clip, so as to be adjustable thereon. According to the Provisional Specification, the squeegee may be retained in the holder by screws.
Patent GB-1396788-A (GB)
Title: Formation of filaments directly from molten material
IPC: B22F9/10
Filed: 1972-05-17
Abstract: 1396788 Continuous casting BATTELLE DEVELOPMENT CORP 17 May 1972 [27 May 1971 10 May 1972] 23217/72 Heading B3F [Also in Divisions C1 and C7] Fibres or continuous filaments 20, having a cross-sectional area less than 0À020 sq. in. and a width less than 0À20 in., are produced by introducing an edge 32 of a disc 30, rotating at 3-200 ft./sec., up to a depth of 0À06 in. into a pool of molten material 10 which is at a temperature less than 125% of its melting point in  K. and has a surface tension of 10-2500 dynes/cm., so that an at least partially solidified film 20<SP>1</SP>, Fig. 4, is formed and projected to form a solid fibre or filament 20. The Cu, Al or Fe disc 30 may be cooled by internal liquid. Its edge is of rounded section and it may have a tapered margin as shown. There is a build-up 16 of material above the melt surface 15 (which may be protected by a flux layer), and further material is deposited on the film 20<SP>1</SP> as it passes through the build-up. The disc 30 may be raised above the pool surface 15, Fig. 2, after starting the process, so that material is deposited on the edge 32, only in the build-up 16. There may be a flow of molten material parallel to the direction of travel of the edge 32 at the pool surface. The axis of rotation need not be parallel to the surface 15. The material leaving the disc 30 may be still partly liquid and this portion may remelt the solid part so that the filament 20 reforms to a circular crosssection ; otherwise the filament has an elongated cross-section. However, if it becomes completely molten, air, N 2  or Ar is used as a coolant, possibly with a liquid mist. The molten material may be an alkali metal nitrate or Sn, Zn, Cu, Ni, Al, Fe, one of a number of steels mentioned, Al alloy, Ni-alloy, Cu-alloy or Zn-alloy. To produce fibres, the disc 30 has a notched edge, Fig. 6. There may be one notch, so that the fibre length is that of the circumference, or notches equally or unequally spaced so that several fibres of the same or different length are produced at each revolution. The disc may have a number of narrow, parallel, coaxial edges, possibly notched, to produce a number of filaments or fibres simultaneously.
Patent GB-423783-A (GB)
Title: Improvements in tube couplings
IPC: E04G7/20
Filed: 1934-08-11
Abstract: 423,783. Tube couplings. BURTON, J., 49, Sandon Road, Edgbaston, Birmingham. Aug. 11, 1934, No. 23236. [Class 99 (i)] In a coupling for tubular scaffolding of the kind in which the two portions 10, 11 of a longitudinally divided pin are forced apart to grip the interior of the tubes, the portions are hinged together on an axis parallel to their length. The pin has a flange 12 against which the tube ends abut, the flange portions being connected by a hinge pin 15. A bolt 17 pivotally connected to the hinge pin has a nut having a tapered surface 19 engaging corresponding surfaces 20 on the pin sections. Alternatively the bolt head is tapered and the bolt screws into a socket associated with the hinge pin.
Patent GB-278869-A (GB)
Title: Improvements in pencil and like sharpeners
IPC: B43L23/08
Filed: 1926-09-21
Abstract: 278,869. Wright, R. E. Sept. 21, 1926. Pencil sharpeners. - A pencil or like sharpener con. sists of a base-member to which a safety-razor blade is adapted to be clamped at an angle to a guide on the base, so that a pencil can be sharpened by drawing it over the base in engagement with the guide. The base-member A is formed as shown with tapering shoulders B and side walls K, K<1>, and is adapted to hold an ordinary doubleedged safety-razor blade E by means of bulges which engage the apertures of the blade. A cover-plate F lies on top of the blade and is secured in position by a screw and nut G, H. In use. the end of the pencil is placed on the shoulder B and drawn along the basemember, the wall K or K<1> forcing it gradually into contact with the blade.
Patent GB-624007-A (GB)
Title: Improvements relating to detector circuit arrangements for angle-modulation receivers
IPC: H03D3/08
Filed: 1946-08-06
Abstract: 624,007. Frequency modulation. RADIO CORPORATION OF AMERICA. Aug. 6, 1946, No. 23354. Convention date, Aug. 3, 1945. [Class 40-(v)] In a detector circuit arrangement for detecting angle modulated signals comprising a discriminator having coupled primary and secondary circuits and a rectifying device in the secondary circuit, the rectifying device being liable to load primary circuit and cause excessive damping, negative resistance is introduced into the primary circuit for reducing the loading. As shown in Fig. 2, the secondary circuit 26, 27 includes a pair of diodes (not shown), which cause an effective resistance of +R across the primary circuit P causing damping. This is overcome by a regenerative feed back to the cathode 12 of a limiter tube 11 by means of a lead 25 from the primary circuit, this arrangement being equivalent to connecting a negative resistance - R across the primary circuit. The value of the negative resistance is inversely dependant on the increasing signal strength and substantially counteracts the effective load resistance +R. Specification 489,094 is referred to.
Patent GB-666053-A (GB)
Title: Improvements in or relating to thermionic cathodes
IPC: H01J61/073
Filed: 1949-09-09
Abstract: 666,053. Cathode materials and processing. PHILIPS ELECTRICAL, Ltd. Sept. 9, 1949 [Sept. 14, 1948], No. 23374/49. Class 39 (i). A thermionic cathode consists of a sintered mixture of thorium oxide and a refractory metal, such as tungsten, to which is sintered a coating of thorium oxide without a supporting metal layer. Equal quantities of thoria and tungsten are mixed, compressed to form a tube (dimensions are specified), sintered in hydrogen at 1900 C., coated with thoria 50 microns thick, and again sintered. Molybdenum end caps may be provided by a mixture of molybdenum powder and ammonium molybdate and are sintered to molybdenum leads. The emission may be 50 amps per square cm. at 2200 K. The cathodes may be heated by the gas discharge in a lamp.
Patent GB-1284621-A (GB)
Title: Method of removing impurities and similar matter from staple fibres during break spinning and fibre separating mechanism for performing said method
IPC: D01H4/36
Filed: 1970-05-15
Abstract: 1284621 Separation of impurities from fibres VYZKUMNY USTAV BAVLNARSKY 15 May 1970 [16 May 1969] 23617/70 Heading B2H [Also in Division D1] Impurities are removed from the staple fibres being fed to a break spinning machine by being ejected into a withdrawal chamber 81 immediately after being contacted by the fibre separating roller 4. As shown, the feed sliver 1 is opened by roller 4 and the dirt is ejected in a generally tangential direction through inlet 8. The fibres are then carried round by roller 4 to be fed to the spinning chamber. There may be a plurality of inlets to the withdrawal chamber 8 (Figs. 2 and 3 not shown) which are spaced one above the other. The withdrawal chamber 8 may be connected to a central suction device of the break spinning machine.
Patent GB-469286-A (GB)
Title: Improvements in or relating to loud speakers
IPC: H04R1/24
Filed: 1936-08-28
Abstract: 469,286. Loud-speakers. STANDARD TELEPHONES & CABLES, Ltd. Aug. 28, 1936, No. 23644. Convention date, Feb. 29. [Class 40 (iv)] A loud-speaker comprises a large diaphragm and a small diaphragm operated by a magnet system and a horn with its throat adjacent the smaller diaphragm and its mouth adjacent the central portion of the large diaphragm which is provided with apertures for the passage of sound waves from the smaller diaphragm. The magnet system for the larger diaphragm 20 comprises a channelled ring 14 of magnetic material to which a polepiece 13 is secured to form an air gap 19 in which an edge-wound coil 32 is located. The diaphragm has a central dome-shaped portion 21, a flat annular portion 22 which is clamped to the polepiece 13, and an intermediate arched portion 23 which is formed with apertures 29 and slots 30 covered on both sides by strips 31 of rubber. A circular portion of the diaphragm 20 adjacent the mouth of the horn 43 is formed with apertures 27 covered by a screen 28 of silk or metallic gauze. The magnet system for the smaller diaphragm 47 is supported by arms 57 and comprises magnetic members 36, 37 forming a gap 41 for a coil 56 attached to the diaphragm 47 at the junction between its domed central portion and an annular flange by which it is attached to the member 36. The space beneath the diaphragm 47 is connected to the throat of the horn by passages 55 in a plug member 54.
Patent GB-577738-A (GB)
Title: Improvements relating to sealing conductors through exhaust tubes of evacuated vitreous envelopes
IPC: H01J9/32
Filed: 1944-11-27
Abstract: 577,738. Uniting metal to glass. STANDARD TELEPHONES & CABLES, Ltd., and MARSH, W. W. Nov. 27, 1944, No. 23658. [Class 36] A method of sealing a conductor 2 through the exhaust tube 3 of a vitreous envelope, especially applicable to electron discharge devices, comprises locating the conductor (with or without a vitreous bead 4) in the tube ; evacuating the envelope and sealing the tube at a point 5 beyond the conductor (Fig. 1) ; heating the tube to form the seal 6 around the conductor (Fig. 2) ; and then severing the surplus length 7 of the tube to expose the conductor (Fig. 3). The seal 6 may be effected by means of gas jets ; or, by an electrical heating-element 8, Fig. 4, in a support 9 which is shaped at 10 to hold the valve &c.
Patent GB-669943-A (GB)
Title: Improvements in automatic light beam control of vehicle headlamps
IPC: B60Q1/14
Filed: 1949-09-14
Abstract: 669,943. Vehicle lamps. WAHLEN, W. Sept. 14, 1949, No. 23684/49. [A Specification was laid open to inspection under Sect. 91 of the Acts, March 15, 1950]. Class 75 (ii) 1950.] An automatically operated light beam control system for vehicle headlamps includes within a main headlamp reflector 3, Fig. 3, a pivotal flap reflector 1, movable synchronously in response to the movement of the steering mechanism. The flap reflector 1 is rotatable by Bowden cables 5, 5<SP>1</SP>, about a vertical axis, and has bearing sockets engaging ball heads provided on a pair of screws passing through the wall of the reflector 3. The cables 5, 5 1  are connected to opposite sides of a lever 20, Fig. 8, pivotally mounted at one end on a pin 18 carried by a transverse bar 19 of the chassis. The other end of the lever 20 is moved to the left or right as the wheels 32, 33 are turned to the right or left respectively, by means of a thrust rod 30, the movement being transmitted through a track bar 29 and a crank arm 23. The flap reflector of a second headlamp is adjustable simultaneously with the flap reflector 1 by means of Bowden cables 14, 14<SP>1</SP>.
Patent GB-717589-A (GB)
Title: Improvements relating to products intended for cleansing purposes
Inventor: MOLLO EUGENE
IPC: C11D3/12
Filed: 1951-10-11
Abstract: A composition in the form of a bar, cake or like coherent product, which is mechanically unstable at its surface when wetted, is made by mixing a self-setting hydraulic cementitious material with a cleansing composition which is not readily producible in a coherent form.  The cleansing composition must contain at least two parts in seven, by volume, of a detergent substance, and not more than 1.25 volumes of cementitious material may be used per volume of cleansing composition.  The preferred cementitious material is Portland cement, but lime plasters, plaster of Paris, parian cement and Keene's cement may also be used.  The detergent which constitutes or is included in the cleansing composition may be soap, a long-chain alkyl sulphate, e.g. sodium lauryl sulphate, an alkyl-aryl sulphonate, e.g. sodium dodecyl- or decyl-benzene sulphonate, or a similar naphthalene sulphonate, a sulphonated product of the type of Turkey-red oil, the dioctyl ester of sodium sulphosuccinate, sodium abietene sulphonate, a fatty acid amide of high molecular weight or an etheric compound containing a long-chain hydrocarbon radicle.  Additional materials which may be included in the cleansing compositions are abrasives, oils, colouring matters and perfumes, a specified composition containing an abrasive being that sold under the Registered Trade Mark "Vim."  Examples are given of the manufacture of products from Portland cement and (1) the product sold under the Registered Trade Mark "Teepol," (2) a mixture of "Teepol" with an equal volume of pumice and (3) the product sold under the Registered Trade Mark "Santomerse."