baber/WOPTO huggingface dataset:
Patent GB-842209-A (GB)
Title: Preparation of bis(hydroxyphenyl)alkyl-methanes
IPC: B01J31/10
Filed: 1957-01-23
Abstract: Bis(hydroxyphenyl)-alkyl-methanes are prepared by mixing one mole of an aldehyde containing 4 to 13 carbon atoms with at least two moles of a phenol, maintaining the mixture in liquid phase at reaction temperature in the presence of a solid acid-reacting cation-exchange organic material while removing water from the reaction mixture, mechanically separating the solid cation exchange material from the liquid reaction mixture and recovering the bis(hydroxyphenyl)-alkyl-methane.  Specified cation exchange materials include the sulphonated phenolformaldehyde and polystyrene type resins.  Specified bisphenols obtainable by the process include 1:1-bis(4-hydroxyphenyl)- or (2-hydroxy-5-chlorophenyl)-butane, 1:1-bis(4-hydroxyphenyl)-hexane, 1:4 bis(2-hydroxyphenyl-5-isopropylphenyl)-isooctane and bis (4-hydroxyphenyl)-isododecy-lmethane.  In examples phenol is reacted, in toluene or toluene and benzene and in the presence of a sulphonated styrene-divinyl benzene copolymer, with a C8 Oxo aldehyde, a decanal, isovaleraldehyde or n-hexaldehyde to give bis (4-hydroxyphenyl)-isoheptyl-,-isononyl-, isobutyland-n-amyl-methanes. The preparation of the isoheptyl compound using boron trifluoride as catalyst is described for comparison.
Patent GB-1484781-A (GB)
Title: Compositions for dental treatment
IPC: A61K6/838
Filed: 1975-01-21
Abstract: 1484781 Calcium phosphate compositions MITER Inc 21 Jan 1975 [25 Feb 1974] 2490/75 Heading C1A A composition for use in the dental procedures of pulp capping, root canal and tooth-replanting comprises a porous mass of a physiologically soluble and compatible (as defined) calcium phosphate compound as the active ingredient. Calcium phosphate compounds preferably used are α-phase Ca 3 (PO 4 ) 2 , #-phase Ca 3 (PO 4 ) 2  (Whitlockite), and CaHPO 4  (Brushite) or mixtures thereof. The porous mass of calcium compound may be prepared by sintering together particles of calcium phosphate compound into a unitary body, grinding the body into a grated particulate and adding a vehicle, in sufficient quantity, to form the porous mass.
Patent GB-466478-A (GB)
Title: Improvements in or relating to valves used in bottling liquids
IPC: B67C3/26
Filed: 1937-01-29
Abstract: 466,478. Filling nozzles for bottles. EBBEDAL, N. J. O. J. Jan. 29, 1937, No. 2706. [Class 125 (ii)] A filling nozzle for use in a counter-pressure &c. bottling machine comprises a liquid pipe 10, an air pipe 11 firmly connected thereto, a liquid supply pipe 6 and an air supply pipe 7. The liquid to be bottled adjusts itself to a level 8 which corresponds to the level in the supply tank. A centring member 9 is enclosed tightly between the parts 2, 3 of the nozzle, and supports the pipes 10, 11. A sliding member 16 in the part 2 is packed by a gasket 17. A collar 18 supports some rings 19 which can be removed or replaced to suit bottles of various heights. The ring 20 hermetically seals the bottle during the filling operation. A small ventilating valve 21 communicates with the open air. This valve is controlled by a guide rail 23 and is closed by a rising bottle. A valve and seating 24, 25 has channels 26 leading from the liquid and air space 27 to the liquid pipe 10. Springs 29 are fitted in the member 24, which co-operate with springs 30 in the part 9. The air pipe 11 extends up through the valve seat 24 and terminates in a chamber 32 under a valve-seat 35 which has a channel 36 forming an extension of the pipe 11. The channel 36 can be maintained closed by a valve 37 which is held in position by a spring 28. When the filling tube is moved upwards the valve 37 strikes a projection 39 and the valve-seat 35 moves further into a recess 40. A channel 41 connects the spaces 40, 27, and a narrow channel 42 connects the space 27 to the bottom of the valve 25. When the pipes 6, 7 are connected to the air and liquid spaces in the supply tank the liquid in the filling-head rises to the level 8 and fills the space 43 through the channel 42. The valve parts will then be disposed as shown in Fig. 1. If a bottle is now pressed upwards against the gasket 20 the part 16 will be lifted with the valve-seats 24 and 35. The valves 25, 37 will follow along at the start and the valve 21 will be closed. The connection between the space 40 and the channels 36 will now be opened and air will flow into the bottle from the air space in the tank. When the pressures are equalised the liquid from the space 27 will be able to flow into the bottle. The air in the bottle escapes through the pipe 11 until the liquid reaches the level 14 when an air-lock is formed. The bottle is now lowered and removed. Two modifications are shown and described.
Patent GB-298423-A (GB)
Title: Improvements in or relating to reinforced glass
IPC: C09J5/06
Filed: 1928-01-27
Abstract: 298,423. Mattingley, N. B., and Rea, A. Jan. 27, 1928. Compound transparent sheets. - Compound transparent sheets are formed by joining sheets of glass to a sheet of cellulose acetate or like material by means qf an adhesive consisting of caoutchouc with or without gum dammar and gum mastic, with gradually increasing pressure and heat in a hydraulic press the platens of which are heated by steam or hot water. The platens are raised in the centre by padding with blotting paper to expel air. The temperature is raised to between 148‹ and 177‹ F., and the pressure to 100 lbs. per sq. in. and maintained for 15 minutes The sheets are then removed for cooling, preferably on a heated tray. An adhesive may consist by weight of caoutchouc 1, gum dammar 4, gum mastic 12, chloroform 50, benzine 10, which when mixed is thinned by 50 per cent of amyl acetate. The gums are dissolved in ethyl alcohol. Plate glass of about 0.1 inch thickness, or 15 to 18 oz. window glass, may be used. The glass is cleaned by hot soda water. rinsed, dried, and further cleaned with naphtha, and polished. The cellulose acetate sheet is 0.01 to 0.04 inch thick.
Patent GB-607175-A (GB)
Title: Improvements in hair curlers
IPC: A45D2/24
Filed: 1946-01-29
Abstract: 607,175. Hair curlers. LITTLE, E., and LITTLE, E. C. Jan. 29, 1946, No. 2802. [Class 131] In a hair curler of the kind having a hair-clamping member on which the hair is wound and a retaining member, the clamping member is formed of sheet material bent to form two diverging limbs 10 and further bent at the junction between the limbs to form a slot 11 in which is slidably mounted the trunnion 12 of the wire retaining member which is also provided with an abutment portion intermediate its length, the free ends of the clamping member being engaged by and disengaged from the end of the retaining member, remote from the trunnion by sliding movement of the trunnion 12 in the loop 11. The side limbs 13 of the retaining member are bent to form abutments 14 against which the members 10 are pressed when their ends are engaged by the tubular member 15 joining the extremities of the limbs 13. In modifications the tubular member 15 is replaced by a single sheet metal member or is dispensed with the ends of the retaining member being approximated to provide a locking bar. The Provisional Specification describes a retaining member which does not have abutment portions 14.
Patent GB-747442-A (GB)
Title: Improvements in or relating to straight-bar knitting machines
Inventor: MATTHEWS DENNIS
IPC: D04B15/54
Filed: 1954-01-30
Abstract: 747,442. Knitting-machines. MONK (SUTTON-IN-ASHFIELD), Ltd., S. A. Oct. 4, 1954 [Jan. 30, 1954], No. 2863/54. Class 74 (2). The end sprockets C of a chain driving mechanism for the carrier bars of a straight-bar machine are mounted on a bracket D held in its normal position by a spring F. The carrier driving member L which is traversed by the driver B mounted on the chain A has inclined guide portions M on members J, K so that in the event of the member L being out of position for engagement by the driver B, due to the adjustment of the saddles G, H, the driver B rides upon one or other of the guide portions M until it drops into engagement with the slot between the members J, K. The displacement of the driver B and chain by the guide portions M is permitted by the displacement of the sprockets C and bracket D against the spring F.
Patent GB-810164-A (GB)
Title: Improvements in alarm devices for eddy current speedometers
IPC: B60Q1/54
Filed: 1957-01-28
Abstract: 810,164. Speedometers. VDO TACHOMETER WERKE A. SCHINDLING G.m.b.H. Jan. 28, 1957 [June 8, 1956], No. 2979/57. Class 106 (3). An adjustable warning device for use with speedometers of the eddy current type comprises a cam 3 for mounting on the shaft 1 of the eddy current rotor, and an insulated knob 4 actuated by the cam 3 to cause contact blades 5a, 6a, 6b and 7a to close, the knob and the contact blades being mounted on a plate 8 adjustable about the axis 1 of the eddy current rotor and adapted to be locked by a set screw 10 passing through a guide slot 9 in the plate 8. The cam 3 is so shaped that as the speed of the vehicle increases the contacts, 5a and 6a eventually close to light a lamp 13, and if the speed continues to rise the contacts 6b and 7a eventually close to energize an acoustic signal device 14.
Patent GB-773418-A (GB)
Title: Improvements in card position selecting means for printing interpreters
Filed: 1955-02-01
Abstract: 773,418. Record controlled printing. REMINGTON RAND, Inc. Feb. 1, 1955 [Feb. 1, 1954], No. 2990/55. Class 100(4) In a printing interpreter having means to print horizontal lines of characters on a card, card stops 46 for positioning the card with regard to the several lines on the card, and means operated by control holes to selectively operate the card stops to determine the printing lines, printing means are divided into a number of separate units in order to print separately on different portions of the same line. As shown in Fig. 25, printing by type bars may occur in the fortyfive columns or the printing may be arranged in two units of twenty two with blocking means to suppress printing in one of the units at a time or to block printing in all or no columns. Up to twenty-six lines may be printed in either the upper or lower zone of the card, thirteen lines on each side; switches relays and magnets are provided to automatically switch printing from one side of the card to the other. Card positioning may be effected by the manual setting of the card stops or by an automatic line feed mechanism which is set by moving a lever 48 to the right, Fig. 2, and an interlock prevents a manual setting lever 47 from being operated. Operation of lever 48 moves an arm 55, Fig. 7, which shifts a slide 57 clear of notches 59 in a series of latches 40 which coact with the card stops 46, Figs. 6, 7. During automatic line-feeding and printing of a trailer card the card stops 46, Figs. 6, 7, are raised as required under the control of holes in the end columns of the lower zone of a leading card. The cards pass through a sensing chamber B, Fig. 1, and for each control hole in the card a Bowden wire 24 is operable and extends to a switch frame 28 to condition contacts for the operation of electromagnets which through further cables 34, Figs. 2 and 7, control bell cranks 36 and thus the latches 40. Coacting with the latches 40 are the card stops 46 vertically reciprocated by a cyclically controlled cam mechanism so that the latches, which are horizontally reciprocated by a slide 81, are allowed to return to cause pins 77 to engage in recesses 78 in the stops, unless the return is blocked by a control crank 36. After each line is printed the card is passed through a reproducer to receive an additional control hole, one at a time, and the card is again fed into the printing interpreter. A gate mechanism of known kind is provided to segregate the cards upon the sensing of an outfiler code, Fig. 25, in a lead card or the sensing of a fully printed trailer card. The blocking of printing is controlled by a nullifier code perforation.
Patent GB-753144-A (GB)
Title: Process and apparatus for double-distillation
IPC: B01D3/00
Filed: 1954-02-02
Abstract: <PICT:0753144/III/1> In a process for the double distillation of liquids, particularly water, wherein the primary vapours are condensed by heat-exchange with the primary condensate which is maintained under sub-atmospheric pressure so that the primary condensate is re-vaporized, the condensate obtained by condensing the secondary vapours is divided into two streams, one being withdrawn from the system as product and the other being passed, via a liquid-level regulating device, to the primary condensate evaporation zone of the heat exchanger in order to prevent the liquid-level therein from falling due to surplus of heat in the heat-exchange exceeding the heat losses from heat exchanger by radiation.  Steam is generated in vaporizer 1 which is supplied with water through level-regulator 6, and contains electrodes 5 run from a source of A.C.  Deposition silt is drained from the vaporizer by device 7.  The steam ascends over the baffles of entrainment-separator 2, and then passes through tube 12 into spiral 14 of heat-exchanger 3 wherein it condenses to give primary condensate.  This condensate flows through tube 15 into the space surrounding float-valve 16, and then passes through capillary 17 and tube 19 into the outer space 20 of heat-exchanger 3, which is evacuated by a vacuum pump connected to tube 27.  The primary condensate is re-vaporized in space 20, and the vapours pass up tube 22 into condenser 4, which contains a spiral 26 traversed with cooling water via pipes 25.  The secondary condensate flows out of the condenser through tube 27; and part of it is collected in a receiver as product while the remainder flows through branch-pipe 28, float-valve 29 and tube 32 to the outer space 20 of heat-exchanger 3.  Float 30 operates in dependence on the liquid-level in space 20.
Patent GB-233060-A (GB)
Title: Improvements in the admission valve gear of internal combustion engines
IPC: F02M63/00
Filed: 1924-02-05
Abstract: 233,060. Marks, E. C. R., (Franco Tosi Soc. Anon.). Feb. 5, 1924. Valve gear. - A valve v for admitting the motive fluid to the cylinder of a Diesel or other engine is actuated by means of a lever L engaging a tappet rod s, the upper end of which is formed as an auxiliary valve v<1>, and the lower end of which rests on a cylinder c sliding in the member I' so as to form a labyrinth joint, which. together with the valve v<1>, prevents leakage of fluid along the rod s.
Patent GB-662845-A (GB)
Title: Improvements in and relating to enclosed resistor devices
IPC: H01C7/04
Filed: 1947-01-31
Abstract: 662,845. Casings, enclosures and mountings for resistances; combinations and sets of resistances; wire and ribbon resistances. BENDIX AVIATION CORPORATION. Jan. 31, 1947 [Feb. 18, 1946], No. 3039/47. Class 37. [Also in Group XXXIX] Resistors forming a pair of balanced bridges of wire having a high temperature coefficient of resistance for connection in a further bridge to form a non-contact-making relay are wound on mica frames 33 ... 36 mounted on the connecting wires in a glass or metal tube which is evacuated or contains inert gas. Specifications 603,610 and 662,844, [Group XXXV], are referred to.
Patent GB-469818-A (GB)
Title: Carpet sweeper comb
IPC: A47L11/33
Filed: 1936-01-31
Abstract: 469,818. Appliances for cleaning brushes. CALLAN, E. F. Jan. 31, 1936, No. 3043. [Class 19] In a carpet-sweeper, Fig. 1, the brush 12 is cleared by a pair of independently movable combs 15 situated above the brush with their teeth bending downwardly, and pivotally mounted in the end walls of the sweeper body so as alternately to occupy clearing and non- clearing positions. Each comb is preferably formed of a single piece of sheet metal 14. The ends of the sheet 14 are bent at rightangles to form arms 16 pivoted at 1, Fig. 3, to the end wall 10. Pins 18 projecting into slots 19 limit the travel of the combs 15. As the sweeper is moved backwards and forwards, one of the combs will swing downwards to engage and clean the bristles while the other will swing outwards and upward so that dust accumulations will be removed from the comb and fall into a dust pan 13. In a modification, Fig. 4, the swinging of the combs is brought about by connections 20 with the axle 21. The arms 20 are pivotally mounted on the wheel carrying axles 21 and the upper ends of these arms are connected by pins 23, Fig. 6, to the ends of arms on the comb frames 14. When the sweeper body is pressed down by the operating handle, the arms 20 will be moved upward and inward to swing the arms or the combs 14.
Patent GB-1270781-A (GB)
Title: Tableting medium
IPC: A23L27/00
Filed: 1970-01-21
Abstract: 1,270,781. Effeverscent compositions. ABBOTT LABORATORIES. 21 Jan., 1970 [24 Feb., 1969], No. 3054/70. Heading A5B. [Also in Division A2] An effervescent tabletting medium consists essentially of particles of at least one solid, water-soluble acid and particles of at least one water-soluble carbon dioxide source and at least one film-forming, water-soluble polymer, the polymer being present as a protective coating upon all particles of the acid, or upon all particles of the carbon dioxide source or upon all particles present, the acid and carbon dioxide source being present in substantially equimolar amounts and the polymer being present in an amount of between 0.25 and 10% by weight of the acid or carbon dioxide source. The compositions suitably comprise sweetening agents or sodium ascorbate.
Patent GB-614927-A (GB)
Title: Building frame construction
IPC: E04B1/00
Filed: 1946-01-30
Abstract: 614,927. Walls; floors. DEHN, S. G. (PHC Housing Corporation). Jan. 30, 1946, No. 3055. [Class 20(iv)] A foundation-supported sill of a building frame construction has pockets open towards the top and inside to receive the lower ends of studs and also the ends of door-,supporting joists at right angles to the sill. Wood sill rails 18 are bolted at intervals to a concrete &c. foundation 15 which may have a termite-excluding plate 16. Sills 23 comprise a bottom rail 25, spacer blocks 26, upper rail members 27, which are spaced to form stud-receiving slots and an outer sheathing band 28. The notched lower ends of studs 30 rest on the notched outer ends of joists 24 which are secured to the adjacent spacer blocks 26. Along the sill 23a at right angles to sill 23 the ends of the wall studs are supported on spacer blocks 26a, and an inner panel 40 is provided. The inner ends of the joists are received between the upper and lower flanges of a pair of channel girders 32 bolted back to back to an interposed filler bar 33 and to spaced columns 36 resting on foundation piers. Corner posts comprise a core stud of square cross-section having at each end filler blocks to which studs 46 are secured, covering the inside faces of the core, the outside faces having corner panels secured thereto. Interior panels railed &c. to the studding may carry heat insulation material. Exterior panels may carry clapboards.
Patent GB-856991-A (GB)
Title: Improvements in motors having cooperating rotors
Inventor: DENSHAM COSTIN LANE
IPC: F01C1/12
Filed: 1956-01-31
Abstract: 856,991. Rotary motors. WADE ENGINEERING Ltd. Jan. 31, 1957 [Jan. 31, 1956], No. 3100/56. Class 110 (2). In a Roots motor in which the rotors are three-lobed, each lobe is so shaped that the apex thereof makes line contact with the recess in the associated rotor whilst the flanks thereof do not contact same. Each lobe may be built up of two plates 6 secured to a core 8, Fig. 2, or consist of a single plate 10 secured to a like core 12, Fig. 3. The hollow lobes of Fig. 2 may be solid and form with the core an integral construction (see Figs. 1 and 4, not shown).
Patent GB-382493-A (GB)
Title: Improvements in and connected with weeding machines and the like
IPC: A01B35/08
Filed: 1932-02-02
Abstract: 382,493. Hand-trucks. SEARLE, E. I., Orchards, Findon Road, and SEARLE, E. A., Beverley, South Farm Road, both in Worthing, Sussex. Feb. 2, 1932, No. 3115. [Class 108 (i).] A manually-operated implement for weeding and like operations, which may be used as a'barrow, comprises a V-shaped frame provided with a handle at its front end, wheels at the rear, and bent or curved and downwardly and forwardly directed tines or blades in front of the wheels, the frame being pivoted about the axis of the wheels so that it may be turned backwards over the wheels to bring the tines uppermost to form a receptacle. The frame may consist of a U-shaped bar 1 mounted on the axle 10 of the wheels 11 and riveted or bolted to a second U-shaped bar 4 with the tines or blades 12 gripped between them. Angularly adjustable bars 6 bolted to the bar 4 converge together at the front to form a substantially triangular frame. They are braced by stays 14a and their front ends are bent outwards to form a handle 8 on which are riveted semicircular grip members 8a.
Patent GB-283352-A (GB)
Title: Improvements in and connected with the supply of feed water to steam generators
IPC: F22D11/00
Filed: 1927-02-03
Abstract: 283,352. Babcock & Wilcox, Ltd., (Babcock & Wilcox Co.). Feb. 3, 1927. Feedwater, supplying.-Water is fed into a boiler drum 10 through both ends of a perforated pipe 12 extending through the drum and comprising two sections connected by a sleeve 23. The pipe is supported in straps 27 secured to transverse plates 25. The ends of the pipe are screwed into flanged junctions 15 carrying feedcontrol valves 19. One end of the pipe may communicate with the main feed pump and the other end with an auxiliary feed pump.
Patent GB-717144-A (GB)
Title: Improvements in treatment of fibrous materials
IPC: C14C9/00
Filed: 1952-02-06
Abstract: The resistance to abrasion of fibrous materials, e.g., natural or synthetic textile fibres, threads, filaments or fabrics, is improved by impregnating them with a silicic acid ester containing only ester groups attached directly to the silicon atom, hydrolysis of the ester being substantially prevented before impregnation, and then heating to deposit silica in the fibres. Specified esters are methyl, ethyl, propyl and octyl silicates. The ester may be applied alone or as a solution in, for example, benzene, toluene, trichlorethylene or an alcohol, or as an aqueous emulsion.  Specified textile materials are cotton, rayon, wool, asbestos and glass fibres.
Patent GB-235806-A (GB)
Title: Improvements in holders for incandescent electric lamps
IPC: H01R33/965
Filed: 1925-02-05
Abstract: 235,806. Kiyohara, K. Feb. 5, 1925. Holders. - A screw socket is secured to a disc 10 of insulating material attached to an outer shell also of insulating material by screws 8, 9 which also serve to carry the current. The screws 8, 9 pass respectively through the end of a spring contact 12 and a plate 29 connected to the socket and enter the top of the shell 1 through plates 2, 3 connected to the leads which enter through a passage at the top of the shell, or through passages at the sides. Projections on the top of the disc 10 serve as distance pieces to maintain a clear space between the disc and the shell 1. To the top of the shell is secured a block 17 which, when the leads are introduced through side openings, carries a pulley-wheel.