baber/WOPTO huggingface dataset:
Patent GB-493792-A (GB)
Title: Improvements in cash registers
IPC: G07G1/00
Filed: 1937-05-07
Abstract: 493,792. Tills. SVENSKA KASSAREGISTER-AKTIEBOLAGET. May 7,1937, No. 13110. Convention date, May 7, 1936. [Class 116] [Also in Group XIX] In a cash register wherein the cash drawers are selected for release by clerks' keys or a clerks' lever, the drawers are accommodated in one or more casings, the number of drawers accommodated by the most capacious casing being less than the number of clerks' keys or positions of the clerks' lever. The machine shown is provided with four cash drawers a, b, d, c slidably mounted in individual casings 165 arranged one above another and forming a base for the register housing 152. Each drawercasing is formed of an inverted sheet-metal box closed at the bottom by a plate 166 rigidly connected to the box by bow-shaped members 168 and rails 169. The casings are held together by bolts 175 connecting the bottom plates of the top and bottom drawers, tubular distance pieces 178 being spaced along the bolts to prevent crushing. Rubber packing 167 is inserted between the casings, and a rubber base plate 179 forms a seating for the bottom casing. The number of drawers may be varied by adding casings to or removing casings from the bottom of the assembly, bolts 175 of requisite lengths being substituted for those previously in use. In modifications, the casings may be arranged side-by-side and more than one drawer may be accommodated in each casing. Each drawer is normally retained in its shut position by a latch 156 and upon release is moved to open position by a spring 163, the movement being guided by rails 171 projecting from the sides of the drawer and co-operating with rollers 173 arranged in groups of three. In. addition, a roller 180 and shrouding plates 182, carried by the inner end of each drawer cooperate with a fixed guide rail 181.
Patent GB-132181-A (GB)
IPC: A43B7/14
Abstract: 132,181. Robson, W. H., and Powell, A. Feb. 28, 1918. Foot-arch supports.-The actual supporting- member consists of a series of metal or rubber springs stretched between one edge of a base-plate and the upturned edge of the other side of the plate. Means may be provided to vary the tension or the inclination of the springs, or both simultaneously, In the form shown in Figs. 1, 2 and 3, the support, which is secured to the underside of a loose leather sole S and rests on the insole of the boot, comprises a base-plate A, one side A' of which is bent upwards, the top of this side being arc-shaped. Spiral springs C are stretched between the edge of the plate A and lugs b' on the upper edge of a plate B secured to the upturned portion A<1> of the base.plate by means of a screw or rivet a<2>. The tension and inclination of the springs may be varied by adjustment of the plate B by means of blocks e working along screw-threaded rods d' and formed with grooves supporting the inclined edge b<2> of the plate B. The springs C may be replaced by a piece of canvas or leather attached to the baseplate at one or both sides by short springs. The bent-up portion A' of the base-plate may be at right-angles to the remainder, so that adjustment of the plate B varies the inclination of the springs but not their tension. Fig. 8 shows a modification in which adjustment is obtained by means of cams f, Fig. 9. a form in which the horizontal portion of the base-plate is fitted with an adjustable extension B', and Fig. 10 a further modification in which the parts A, A<1> are hinged together and adjustable by means of a screw g. Adjustment may be obtained also by means of eccentrics, rollers, telescopic parts, or lever devices.
Patent GB-370685-A (GB)
Title: A process for the preservation of green cattle fodder
IPC: A23K3/03
Filed: 1931-05-05
Abstract: Fodder such as clover, grass, or marrow kale is preserved by mixing with the freshly cut material a suitable acid or acid salt in such an amount that the fodder juice has a pH value of between 3 and 4.  The acid materials, which are added in the form of solutions of not less than 1 per cent concentration or in the solid state, may be hydrochloric, sulphuric, or lactic acids or sodium bisulphate.
Patent GB-218439-A (GB)
Title: Improvements in inking devices for printing machines
IPC: B41F1/40
Filed: 1923-05-17
Abstract: 218,439. Grosse, E. May 17, 1923. Platen machines; inking-apparatus. - In a platen printing machine of the kind in which the inking rollers are mounted in a carriage rotating around the central machine body carrying the bed, the carriage is coupled to an internally toothed annular gear embracing the central body of the machine and meshing with a driving pinion arranged within it. The frame a is rigidlysecured to or cast in one piece with the middle body portion b of the press which carries the forme f, and the inking rollers p in the travelling carriage, d are guided on rings g fixed at the sides of the machine, the portions of the rings g alongside the forme f being flattened. The carriage d is connected by links r to annular, internally toothed wheels k rotatably mounted on the rings g and driven from the shaft c by gears m, n, l. When the frame a and body portion b are cast in one piece, the guide rings g and annular wheels k are formed in halves and screwed together after being assembled.
Patent GB-456140-A (GB)
Title: Rotary drilling bit
IPC: E21B10/46
Filed: 1935-05-03
Abstract: 456,140. Drills. CHICAGO PNEUMATIC TOOL CO., 6, East 44th Street, New York, U.S.A. May 3, 1935, No. 13237. Convention date, May 29, 1934. [Class 85] [See also Group XXIII] A drilling-bit with means for attachment to a tubular drill rod, and having a central front opening, is provided with concave and convex cutting faces around the opening, diamond cutters being set in both faces. In Fig. 2, a head 1, threaded at 2 for connection to the drill rod, has a chamber 4 through which water passes from the tube to side ports 5 and a stepped central port 6 ; around the port 6 is a conical recess 8 surrounded by a convex face 3, the faces 3, 8, being studded with diamonds. In Fig. 4, the recess 8 is formed in a detachable holder 11 with a tapered end 13, the holder being held by a nut 12. Water flows to the ports 5 through one or more ports 14 and a chamber 15.
Patent GB-494975-A (GB)
Title: Improvements in and relating to plants for the manufacture of asphaltic compositions
IPC: E01C19/10
Filed: 1937-05-10
Abstract: 494,975. Asphalt-mixing plant. BRAHAM, W. E. May 10, 1937, No. 13275. [Class 107] Relates to transportable plants for making asphaltic compositions, of the kind in which aggregate from an elevated drying drum 5 is discharged by gravity into a, mixer 15. According to the invention, the mixer, which is arranged at the discharge end of the drum, a dust collector 18 at the feed end thereof, together with one or more intermediately arranged bitumen boilers 16a, 16b, are arranged beneath the drum and on a common chassis. The drum shown is fed with aggregate by a detachable elevator 9 and terminates, at the discharge end, in a cylindrical screen 10 which separates the coarse aggregate from the fine. The screened aggregate passes into storage chambers 11, 12, thence to a weigh-bin 13, and finally to the mixer. Bitumen is supplied to the mixer through a pipe 25 and excess bitumen is returned to the boilers by a pipe 28. The aggregate' is heated by an oil burner 20, and the products of combustion are drawn through the drum and through the dust collector by a fan 19.
Patent GB-1525644-A (GB)
Title: Circuit arrangement for controlling the brightness of two light sources
IPC: H05B39/08
Filed: 1976-04-01
Abstract: 1525644 Optical projectors FRANKE AND HEIDECKE GmbH [trading as ROLLEIWERKE FRANKE AND HEIDECKE] 1 April 1976 [6 June 1975] 13312/76 Heading G2J [Also in Division H2]  A circuit for simultaneously fading one light source 1 and brightening another light source 2 comprises a control device 3 or 4 for each light source and a differential amplifier 5 one input of which is a Miller integrator 6 and the other input of which is connected to a constant voltage source. The light sources may consist of a pair of lamps in a single slide projector or two slide projectors. When a switch 11 is open, the Miller integrator 6 is blocked and a transistor 7 is conductive so that a transistor 3 is switched on whilst a transistor 4 is non conductive. The light source 1 therefore has maximum brightness whilst the light source 2 is off. If the switch 11 is closed, a capacitor 8 gradually discharges so that the Miller integrator becomes increasingly conductive whilst the conduction of the transistor 7 is increasingly reduced. The light source 2 is therefore, progressively brightened whilst the light source 1 is dimmed. In a modification the transistor 1, 2 are replaced by triacs.
Patent GB-841254-A (GB)
Title: Improvements in or relating to methods of producing semi-conductive devices
IPC: H01L31/18
Filed: 1956-05-01
Abstract: <PICT:0841254/III/1> In a method of producing a layer of lead sulphide on a support by deposition from a solution of lead acetate in the presence of an alkali metal hydroxide and/or hydrazine, and of thiourea, the support is previously at least partly coated with a layer of one or more electropositive elements which is completely dissolved in the solution.  By electropositive element is meant one which when introduced into the lead sulphide lattice is present therein in a positively charged state.  The dissolved element provides a local reducing environment so that the lead sulphide deposited on the coated area contains more than the stoichio-metric amount of Pb in addition to atoms of the element itself.  When the layer is stored or heated in air the absorbed elements have an effect depending on their valency.  Mono and divalent elements such as Cu, Ag, Au, Pb, Zn, Cd, Fe, Ni and Co produce P-type conductivity, whereas elements with a valency of three or more such as Al, Ga, In, As, Sb, Bi, Ti, V, Mo and W produce N-type conductivity provided the amount of alkali absorbed from the solution is insufficient to balance the effect of the high valency elements.  In one example the surface of a glass plate is half covered with Al, Sb, In or Ga deposited from a vapour and the plate immersed in a well-stirred solution of thiourea, lead acetate and hydrazine hydrate to which a solution of sodium hydroxide is then added.  Lead sulphide gradually settles which is N-type where it overlies the layer and P-type over the glass.  Contacts are applied from a graphite suspension on both sides of the PN junction thus formed.  The deposition may alternatively be effected by heating the solution to 100 DEG  C. without the addition of sodium hydroxide.  In another example the glass is provided with coatings of Ag, and Sb or In, respectively on areas separated by a narrow uncoated strip and coated by either of the above methods.  In a further embodiment (Fig. 2) a support 1 is provided with an In layer extending over the whole of one face. During deposition of lead sulphide on the support by the method in which sodium hydroxide is not used all of the In is dissolved thus giving an N-type layer.  This layer is partly coated with a further layer of PbS by either of the described methods and graphite electrodes are provided on exposed parts of both layers.  All the devices described may be stabilized by heating in air.
Patent GB-961006-A (GB)
Title: Improvements in and relating to pre-stressed concrete
Inventor: BUYER KARL
IPC: E04C5/12
Filed: 1963-04-04
Abstract: 961,006. Reinforced concrete. HEILMANN & LITTMANN BAU A. G. April 4, 1963, No. 13394/63. Heading E1V. Cold drawn pre-stressing wires 1 for a reinforced concrete structural member B are longitudinally corrugated at their ends and are symmetrically arranged round a correspondingly corrrugated tension bolt 2, the wires are secured by a cast concrete body 4 surrounded by a sleeve 3. The sleeve 3 is preferably of coiled wire and may have a barrel or cylindrical form. The tension bolt 2 is threaded to engage with a turnbuckle 8 for connection with stressing means and is held by a nut 10 and plate 9 while mortar is pressed through holes 15 to fill the space 6 which may be defined by a parallel or corrugated sleeve 5.
Patent GB-661324-A (GB)
Title: Improvements in alternating current electro-magnets
IPC: H01F7/10
Filed: 1949-05-19
Abstract: 661,324. Electromagnets. SALA, P. May 19, 1949 [May 20, 1948], No. 13396/49. Class 35. An electromagnet comprises a U-shaped fixed laminated core 1, a parallelopiped laminated plunger 3 and two movable laminated magnetic shunts 6 which are attracted convergently towards the plunger 3 in the indents 9 in the plunger side plates 4 when the magnet coil is energized, and which are separated from the plunger when the coil is de-energized. The shunts 6 have side plates 7, Fig. 4, which protrude beyond the laminµ and curve into touch with the edges of the plunger side plates 4. The projections of the plates 7 are so shaped as to fit the indents 9 in plates 4, when the magnet coil is energized. When the latter is de-energized, the plunger 3 drops down and the plates 7 move the members 6 outwards owing to the camming action of the indents 9 against the shaped ends of the plates 7. A small stop screw 13 on each plate 7 limits the outward movement of the members 6. Shading rings 11 are provided in every surface of magnetic contact, i.e. at each end of the shunts 6 and at upper end of the plunger 3, so as to eliminate vibrations. One phase or three-phase winding can be used, two coils being on the core sides in the latter case.
Patent GB-1164508-A (GB)
Title: Locking Device for Spindles of Spinning or Twisting Machines
IPC: D01H7/14
Filed: 1967-03-22
Abstract: 1,164,508. Spindle retaining means. SPINDEFABRIK SUSSEN, SCHURR, STAHLECKER & GRILL G.m.b.H. 22 March, 1967 [28 March, 1966], No. 13514/67. Heading DID. The top bushing 6 of a spindle housing 5 has a groove accommodating a flexible ring 4 which cooperates with an internal groove 3 in the wharve 2 to retain the wharve and the spindle 1a in the housing. The ring 4 may be a split circular-sectioned ring (Fig. 4, not shown), various combinations of rings and grooves being described or the ring may be' a resilient annulus of plastics material (Fig. 10). For assembly the ring is placed in the recess 3 of the wharve and the wharve and' spindle are pressed into the housing, the ring 4 then being forced into the groove in the bushing 6. To accommodate assembly the footstep bearing 5b is spring loaded so that it may be depressed by the spindle end and is stopped from rising above its working level by a bush 5c.
Patent GB-135499-A (GB)
IPC: F23J1/00
Abstract: 135,499. Linton, J. F. Nov. 19, 1919. Pneumatic collectors. -Ashes are removed by suction from the ash-pits of furnaces, or from a point adjacent thereto, through a fixed conduit terminating at one end in the ash receptacle and at the other end at the street level, where it is provided with a union for coupling it to suction apparatus mounted on a vehicle in which the ashes are collected. As shown in Fig. 1, ashes from a furnace A are passed through a rotary sifter 3 of any preferred construction to a pit B connected at the bottom to the inlet end D, Figs. 1 and 3, of the suction pipe. The.pipe section D comprises an inclined portion 8, one wall of which is provided with an angular bend as shown at 11, leading into an horizontal pipe 6 open at one end to the atmosphere and connected at the other end to a conduit 13 terminating in a coupling 15 located in a manhole 14 at the street level. A motor-vehicle E, provided with a suction fan 19 driven in any manner from the propelling mechanism of the vehicle, is fitted with a flexible pipe 25 for connexion to the conduit 13 and a fixed pipe 27 leading into an ash collecting chamber 17 separated from the lower chamber, in which is arranged the fan 19, by an inclined partition 16. One or more screens 29 prevent the ashes passing into the suction pipe 20'of the fan. The ashes may be discharged from the chamber 17 through doors at the side of the vehicle into a cart G,
Patent GB-644318-A (GB)
Title: Improvements in or relating to the electrolytic production of chlorates
IPC: C25B1/26
Filed: 1947-05-20
Abstract: 644,318. Electrolytic production of chlorates. PENNSYLVANIA SALT MANUFACTURING CO. May 20, 1947, No. 13590. Convention date, June 5, 1946. [Class 41] In a process for the production of a chlorate by electrolysis of an acidic aqueous chloride solution, e.g. alkali metal chloride such as sodium chloride, involving substantially complete formation of the chlorate while the solution is undergoing electrolysis in a cell, the acidity of the chloride electrolyte is controlled at the desired pH value, e.g. from 6.7 to 6.9 by addition of chlorine to the acid electrolyte liquor before its introduction into the cell to bring the liquor to a slightly more acid condition, e.g. having a pH value between 5.8-6.1. A small proportion of alkali metal dichromate may be added to the electrolyte as a buffer to aid in maintaining the desired pH value. The electrolyte may be continuously withdrawn from the electrolysis zone, the chlorate product separated out therefrom, and chloride added to the liquor which is acidified with chlorine and then reintroduced into the electrolysis zone.
Patent GB-1011829-A (GB)
Title: Device for signalling the attainment of a predetermined level of material in a receptacle
IPC: G01F23/22
Filed: 1963-04-05
Abstract: 1,011,829. Detecting material level in receptacles. BLACK PRODUCTS CO. April 5, 1963 [Nov. 2, 1962], No. 13659/63. Addition to 1,006,361. Heading B8S. A device for sensing the attainment of a predetermined level of powdered or granular material contained in a bin is mounted on the side wall 11 of the bin and has a device which may control the cut-off of the feed of the material into the bin when the material level reaches the predetermined point. A sensing rod 12 pivotally mounted in a bearing 10 has a yoke assembly 9 carrying switches 32, 33, each having an actuating arm which serves as a follower 30, 31 for engagement with a cam 29. The other end of the rod 12 carries a sensing paddle 14 located within the bin. A motor 37 drives the cam 29 and a flexible tube 25 seals the bearing 10 against entry of powder &c. contained in the bin. Rotation of the cam 29 causes oscillation of the yoke assembly 9 which is maintained in a centered position with respect to the cam periphery by springs 34, 35. When lateral movement of the paddle is interfered with by an increase in the level of the material in the bin, there is displacement of the follower 30 or 31 relative to the switch 32 or 33 and the switch is actuated. In Fig. 3, actuation of either switch de-energizes the motor 37, but when the level drops to free the paddle 14, the springs 34, 35 again centre the yoke assembly so as to allow the switch to return to normal and the yoke assembly to be oscillated again. A normally de-energized device 54 may control the feed of material into the bin. A signal light 55 indicates that material is being fed into the bin. The device may be installed in the top wall of the bin, with the sensing rod extending downwardly.
Patent GB-809662-A (GB)
Title: Stable solutions of water-soluble amino-aldehyde resins
IPC: C08G12/32
Filed: 1956-05-03
Abstract: Stable aqueous solutions of modified melamine-formaldehyde resins are prepared by reacting in aqueous medium (i) one mol. of melamine with (ii) 2.5-6.0 mols. of formaldehyde and (iii) such amounts of water-soluble polyhydric aliphatic alcohols containing more than one primary hydroxy group, as to give the ratio of 0.2-1.0 primary hydroxy groups per hydroxymethyl group of the melamine-formaldehyde addition product, and continuing the reaction until one volume of the resin solution is precipitable by not less than 2 and not more than 4 volumes of water at 25 DEG  C., the concentration of the reactants being such as to yield in the solution a solids content of 50-60 per cent by weight, and storing the resin solution at pH 8.5-9.5.  In a modification up to 0.5 mol. of melamine may be replaced by an equivalent molecular amount of urea, the amount of formaldehyde being made up of an amount relative to urea in the molar ratio of 1:2 plus an amount relative to melamine as in (ii) above, and the amount of polyhydric alcohol being such as to give 0.2-1.0 primary hydroxyl groups per hydroxy methyl group of the combined addition product. Polyhydric alcohols specified are ethylene-, diethylene-, propylene- and dipropylene-glycols, pentaerythritol, dipentaerythritol, trimethylol-propane, glycerol, erythritol and mannitol.  The reaction pH is 4-10, preferably 8-9, it may be adjusted by the use of NaOH, KOH, NH4OH, amines, HCl, H2SO4, formic or acetic acids.  The reaction temperature is 50-100 DEG  C.  The storage temperature is 25 DEG  C. Examples are given.  Uses.-Laminates, plywood adhesives, coating, binding rock wool to glass fibres, impregnating fabrics.
Patent GB-840339-A (GB)
Title: Improvements in carrier bags and carrying handles for use therewith
IPC: A45C13/26
Filed: 1957-04-30
Abstract: 840,339. Carrier bags. GATWARD, H. F. (Bahamas Paper Co. Ltd.). April 30, 1958 [April 30,1957 May 16, 1957], Nos. 13758/57 and 15625/57. Class 133. A paper carrier bag 4 has glued thereto cardboard handles 1 projecting above the mouth of the bag, and one of which is formed with a tongue 2, which can be bent through a slot 3 in the other, the effective length of the tongue being greater than that of the slot. A similar handle may be formed from a single piece of cardboard creased centrally, one part being stuck to the bag during manufacture and the other having a quick setting adhesive coating. In another modification, the handles project above the bag mouth when the latter is folded over to form a relatively watertight closure. Specifications 797,755 and 807,965 are referred to.
Patent GB-242188-A (GB)
Title: Improvements in dry separating tables
IPC: B03B4/02
Filed: 1925-05-26
Abstract: 242,188. Woosnam, A., (Roberts & Schaefer Co.). May 26, 1925. Pneumatic separating; separating by shaking apparatus.-Relates to apparatus for separating solid materials of the kind comprising a reciprocating pervious table A<6> on to which the mass of materials is delivered and through which air is forced from underneath, and consists in the provision of an air supply chimney B<5> which flares gradually and symmetrically upwards, and at its upper and lower ends is of the same shape and cross-sectional area as the pervious table and the air supply duct. In one construction, the air supply duct B<4> is the discharge mouth of a fan B, but in a modification may be the upturned end of a pipe connected to any suitable source of air supply. The upper end B<6> of the chimney is, preferably, connected by a flexible bellows B<7> to the table.
Patent GB-598975-A (GB)
Title: Improvements in or relating to coke-oven doors
IPC: C10B25/16
Filed: 1945-06-01
Abstract: 598,975. Coke oven doors. KOPPBRS CO., Inc. June 1, 1945, No. 13812. Convention date, June 1, 1944. [Class 123 (i)] A self-sealing coke oven door comprises a rigid metallic outer door-back member 27, an inner plug member 39 of which the refractory lining 46 forms part, and a flexible metallic sealing member 48 all of which are fixedly secured by bolts at one section only to a clamping sheet 26 and thus to each other, and at other sections are compressively non-fixedly secured by cleat like bars 34, 43, screwed to the sheet and so bearing on the members as to pull them into pressure contact with the said sheet 26 whereby each of the members is capable of relative vertical sliding movement to allow for expansion differences. Separate sets of cleating bars clamp the door-back member and the plug member to the clamping sheet. Spring loaded adjustable plungers 56, attached to the doorback around its periphery force the sealing member 48 into pressure contact the door frame sealing surface 19. Specification 556,723 is referred to.