baber/WOPTO huggingface dataset:
Patent GB-337610-A (GB)
Title: Process and device for washing artificial silk
IPC: D01D7/02
Filed: 1929-11-08
Abstract: 337,610. I.G. Farbenindustrie Alct.- Ges. Nov. 8, 1928, [Convention date]. Coating yarns.-In the spinning of artificial silk by the centrifugal box method, the impurities such as salts and acid are removed in a counter-current of washing liquor which is preferably caused to enter the guide funnel at the lower part of the funnel and leave it at the upper part, the escape of liquor being prevented or minimized by an injector effect of the flowing liquor or by injection of compressed air or by the narrow dimensions of the thread outlet. If desired the thread may be subjected to a preliminary washing before it enters the guide funnel. The washing liquor may be water, or dilute sulphuric acid or other rinsing or treating liquor. Spinning is started by drawing the thread through the funnel with a current of water. In the drawing the guide funnel comprises a funnel portion b and a stem a. Washing liquor enters through the inlet d and passes through the stem a in counter-current to the thread which passes through the pipe c and exit h. Compressed air may be introduced throught the inlet i so as to prevent escape of liquid through the thread outlet h. If the outlet h is made so small that only a very small quantity of liquid can escape, the use of compressed air may be dispensed with. The rate of flow of the washing liquor may be made sufficiently great to cause inward suction of air through the tube c, and to minimize escape of liquor through the outlet h. The upper part of the funnel has a downwardly extending rim e with openings k for the escape of air which may be trapped by the rim. The apparatus is preferably made of glass and may be made in two portions detachable for cleaning purposes.
Patent GB-803196-A (GB)
Title: The purification of amino acids
IPC: C07D201/16
Filed: 1956-11-08
Abstract: Amino acids are purified from neutral and/or basic impurities by adsorption on an anion exchanger, with subsequent elution of the amino-acids with a solution of an acidic substance more weakly acid than the amino acids and volatile in steam, the eluate then being heated to recover the amino acids.  Preferred eluting agents are those with pH value 1.5-10, such as acetic acid, propionic acid and sulphurous acid, the most preferred being carbon dioxide under a pressure of 20-150 atmospheres, the elution then being effected from an aqueous suspension of the anion exchanger at a temperature up to 60 DEG  C.  Preferably the amino acids are first adsorbed on a cation exchanger and eluted therefrom with soluble basic substances volatile in steam whose dissociation constant is smaller than that of the amino group of the amino acid, and then treated as above.  Preferred basic eluents are those with pH value 4-12, such as ammonia or pyridine.  Suitable anion exchangers are "Amberlite" I.R.A.-400 or "Dowex" 2, and suitable cation exchangers are "Amberlite" I.R.-120 or "Dowex" 50 ("Amberlite" is a Registered Trade Mark).  When using the combined treatment with cation and anion exchangers, the amino acid lactams may be used as starting material, being hydrolysed to the amino acid by the cation exchanger, as described in Specification 774,468.  In examples beta-alanin and omega-amino-undecanoic acid are purified by the combined treatment with cation and anion exchangers and epsilon-amino-caproic acid (obtained by the process of Specification 774,468) is purified with an anion exchanger.
Patent GB-651861-A (GB)
Title: Method of treating fish
IPC: A23L17/00
Filed: 1947-12-24
Abstract: 651,861. Food for animals &c. DEHYDRATING PROCESS CO. Dec. 24. 1947. No. 34198. Convention date, Jan. 2. [Class 5(ii)] in a method of reducing fish matter to a liquid state (referred to as " liquefied fish "), suitable for mixing with cattle or poultry feeds, any or all of the components of the fish are subjected to contact with an acid, e.g. H 2 SO 4 , HO<SP>2</SP> or H 3 PO 4 , and simultaneously to an atmosphere of steam at elevated temperature, to develop a pH of approximately 2.8-3.7 and pressure-temperature conditions of approximately 50 pounds per square inch and 300‹F or the equivalent and continuing these conditions until the charge is reduced substantially completely to a particle size below approximately 50 microns. The charge may then be evaporated in vacuo to at least 40 per cent solids content. As shown, the fish material is fed into a hopper 7 at one end of a screw conveyer 8 mounted in a closed cylindrical chamber 9 into which steam is led via jets 15 from a steam line 13 and becomes slightly precooked during its passage through the chamber to a disintegrator 16 where it is broken into pieces to pass a inch mesh screen. The pulp then falls into a surge chamber 17 from which it is pumped via a mixing chamber 19 in which the acid may be mixed into a series of digesters 24 (one only shown). The acid may be added earlier. e.g. before the pre-cooking stage, which itself and the disintegrating stage may be omitted especially with small fish. The digester is provided with agitating blades 30, 31 and steam inlet 34. The acidified charge is stirred and brought up to 300‹F or about 50 pounds per square inch, and these conditions are maintained for 3-4 hours. The " liquefied material " is then passed out of the digester through valves 38, strainer 39, and pumped to the first (42) of a series of multiple effect evaporators where the charge is progressively evaporated and is finally withdrawn and pumped to an independent vacuum evaporator 76 where the charge is brought to the required consistency &c. and is then discharged to storage tanks 92.
Patent GB-1197287-A (GB)
Title: Composition and method for preparing Solid Infusible Resins
IPC: C08F267/04
Filed: 1967-07-26
Abstract: 1,197,287. Laminates. GULF RESEARCH &. DEVELOPMENT CO. 26 July, 1967 [3 Aug., 1966], No. 34220/67. Heading B5N. [Also in Division C3] Articles of manufacture comprise layers of a porous inert material impregnated and held together by the cured and polymerized reaction product of composition comprising a liquid solution of (i) a solid compound containing at least two "succinic anhydride groups " i.e. groups of the formula and less than three conjugated double bonds when a conjugated double bond is between the C atoms alpha to the carbonyl groups in a succinic anhydride group; (ii) a liquid olefinically unsaturated monooxirane compound containing as its only crosslinkable functional groups a single oxirane 0 atom and a polymerizable double bond; and (iii) a liquid olefinically unsaturated monomer free of oxirane O atoms and containing as its only crosslinkable functional group(s) at least one polymerizable double bond. In examples, copolymers of maleic anhydride with hexene-1, octene-1, dodecene-] or octadecene-1 (preferably hexene- 1) are used as component (i); glycidyl methacrylate or acrylate as component (ii); and styrene, methyl methacrylate or vinyl acetate as component (iii). The reaction mixture may also contain a tertiary amine accelerator (e.g. picoline) and a catalyst (e.g. benzoyl peroxide or phenothiazine). The layers of porous inert material may be composed of paper, cotton, linen, nylon, wood veneer, asbestos paper, sisal, hemp, or woven glass fabric (examples illustrate the use of the latter material). The impregnated layers are assembled together and cured by heating at a temperature above 80‹ C. and preferably at a pressure of above 1À05 k/cm.<SP>2</SP>. Usually a two-stage curing process is adopted, viz. first at elevated pressure for from 1-10 minutes and then at atmospheric pressure for from 1-30 hours.
Patent GB-402596-A (GB)
Title: Improvements in and relating to lamp supporting devices
IPC: F21V15/04
Filed: 1932-12-03
Abstract: 402,596. Anti-vibration devices for lamps. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, and TUPPEN, E. B., 54, Hillmorton Road, Rugby. Dec. 3, 1932, No. 34296. [Class 75 (iii).] In an anti-vibration device in which the lamp is suspended by means of a flange 6 held between opposed springs 3 in a casing 1, the leads 10 are coiled around horizontal rods 9 in the casing.
Patent GB-475926-A (GB)
Title: Improvements relating to apparatus for pneumatically conveying tobacco to tobacco working machines
IPC: A24C5/39
Filed: 1936-05-22
Abstract: An apparatus for conveying tobacco to one or more receiving-chambers, each overlying the tobacco-feeding mechanism of a cigarette-making, tobacco-packaging or other machine, comprises a conduit through which tobacco is conveyed by suction, and timing mechanism operative automatically to cause the suction effect in the chamber to be cut off after a predetermined time interval sufficient to permit the tobacco to be conveyed to the chamber or to the farthest of a number of chambers.  The apparatus is that described in Specification 475,870.
Patent GB-1522332-A (GB)
Title: Method for rapidly forming photoconductive layers
IPC: H01L31/18
Filed: 1975-08-20
Abstract: 1522332 Photoconductive layers WESTINGHOUSE ELECTRIC CORP 20 Aug 1975 [22 Aug 1974] 34533/75 Heading H1K In a method of making photoconductive layers, tablets which are formed of a powder such as ZnS, CdS, or CdTe, or a mixture of ZnS and ZnSe, CdS and CdSe, or CdS and CdTe, containing between 0À1 and 5À0% by weight of a copper halide powder, are evaporated in a partial vacuum at a rate greater than 10 nanometers per minute on a substrate spaced preferably at a distance of 30 cms. from the tablets, and the layer formed is then baked in oxygen at a temperature betweeen 300 and 550‹ C. for less than six minutes. The tablets, typically ¢ inch in diameter and ¥ inch in height, are formed by cold-pressing. The substrate is preferably a cleaned anodized aluminium foil, though various other suitable materials have been mentioned. Ohmic contacts with or without using a mask may be applied to the layer prior to the baking. Thickness of the layer may be monitored during evaporation of the tablets using a crystal sensor, and preferably the thickness of the layer is between 1 and 5 microns.
Patent GB-212981-A (GB)
Title: Improvements in friction clutches
IPC: F16D13/16
Filed: 1922-12-19
Abstract: 212,981. Croft, F., and Croft, A. Dec. 19, 1922. Clutches. friction.-Each of a number of segmental friction shoes on one clutch part is displaced radially outwards or inwards to engage a coaxial drum by an eccentric disc, which lies in the radial plane of displacement of the shoe and is turned by a counterweighted lever until when the clutch is engaged, the eccentric disc is at its dead centre. Each shoe 16, faced with friction material 17, moves radially between guides (not shown) and is connected by a centrally-disposed adjustable eye-bolt 13 to a pair of links 7. The inner ends of the links embrace discs 6 eccentrically mounted on a spindle 5 carried in lugs on one clutch member 3, the outer clutch member not being shown. The eccentrics 6 are preferably rigid with arms 8, which are linked to a sliding collar 11 and carry counterweights 9 to neutralize centrifugal force.
Patent GB-309528-A (GB)
Title: Apparatus for annealing glassware
IPC: C03B25/06
Filed: 1927-10-10
Abstract: 309,528. Amsler-Morton Co., Morton, W. A., and Geer, P. L. Oct. 10, 1927. Divided on 309,511. Drawings to Specification. Tunnel annealing-furnaces; charges, conveying. -In a glass-annealing leer having a heating flue located within the leer adjacent the floor, the ware is carried through the leer by an endless conveyer both runs of which are disposed within the leer above the heating flue. The apparatus described is identical with that described in Specification 309,511.
Patent GB-489036-A (GB)
Title: Process for separating gaseous mixtures by liquefaction and rectification
IPC: F25J3/04
Filed: 1936-12-17
Abstract: 489,036. Separating gases by liquefaction. JACKSON, L. MELLERSH-. (Soc. L'Air Liquide, Soc. Anon. pour l'Etude et l'Exploitation des Procedes G. Claude) Dec. 17, 1936, No. 34648. [Class 8 (ii)] Air supplied by a compressor 2 alternately through cold recuperators 4, 5 is separated in a rectifying column 6. The gaseous portion, thus stripped of krypton &c. flows through a liquefying exchanger 7 where it is warmed, and is expanded in a turbine 8 and passed back through the recuperators. The liquid fraction is vaporized in a vaporizer 9 without separation of the constituents and passed to a rectifier 10 from which liquid containing krypton passes to a third circuit, while the stripped gas is warmed in a liquefier 11 of this circuit, compressed without cooling by a compressor 12 and divided into portions liquefied by the liquefiers 7, 9 respectively, and delivered after expansion through valves as washing liquid into the rectifier 6. The liquid formed in the rectifier 10 is passed to a vaporizer 14 in which the bulk is vaporized while a liquid residue flows to a distillation column 20 from which a liquid residue is collected for working up into krypton while the vapour together with that from vaporizer 14 circulates through rectifier 16, compressor 17 and either liquefier 11 or liquefier 14 before expansion and delivery as washing liquid to the rectifiers 10, 16 ; the liquid formed in rectifier 16 is passed to the vaporizer 14. The heating coil of the distillation column 20 forms part of a circuit passing through points in the recuperators 4, 5 where the temperature is - 140‹ C. The compressor 12 may be located in front of the rectifier 10 ; or the compressed liquefier gas may be expanded after instead of before its rectification in the column 6. A valved pipe 24 is used at starting and to convey cold to the cycle through the compressor 12. In a modification, the liquid from the rectifier 16 is almost wholly vaporized, and the gas thus obtained is returned to the rectifier ; the gas from the column is divided, part passing to the compressor 17 and part 10 to a second low-pressure compressor, the compressed gas from which is divided into parts cooled by the gas passing to the compressor 17 and by vaporizing the liquid from the rectifier respectively, expanded and passed as washing liquid back to the rectifier. Specifications 114,817, [Class 8 (ii)], and 477,033 are referred to.
Patent GB-409819-A (GB)
Title: Improvements relating to cash and like receptacles or boxes
IPC: G07B15/06
Filed: 1932-12-07
Abstract: 409,819. Cash &c. receptacles. CHATWOOD SAFE CO., Ltd., and BRUCKSHAW, H. S., Harlescott, Shrewsbury. Dec. 7, 1932, No. 34649. [Class 18.] A box for use in collecting cash &c. at railway stations, of the kind having an upper compartment c and containing a valve capable of rotation in one direction only, with spaces therein which can be brought beneath a gap g in the cover f to receive an article, and over a gap e in the division wall b to deliver the article into the lower compartment, is characterized in that the valve, which comprises two axially opposed sectors p, has comb-like parts q depending from its radial edges whilst upstanding pins s spaced to pass through the gaps in the combs prevent an article passing the gap e. The valve is formed with a central spindle i, and an antifriction or ball bearing m is provided. A ratchet wheel n, secured to the spindle is engaged by spring loaded pawls o. Concentric ribs b<1>, lessen friction between the article and the division wall. A blade spring u may be provided on the underside of the cover f, and above the gap e, to press the article downwards, out of the gap in the valve. Recesses v serve as handles.
Patent GB-337993-A (GB)
Title: A mangling and wringing machine with covertible screw clamps
IPC: D06F45/00
Filed: 1929-11-13
Abstract: 337,993. Model, W. Nov. 13, 1929. Attaching mangles and wringers to supports.-The sockets a<2> of the clamp a by which a mangle or wringer is secured to the side of a tub or to a table, and which are arranged at right angles to one another for this purpose, are screw-threaded to receive the corresponding end of the rod b on which the bearing blocks c of the machine are mounted.
Patent GB-412856-A (GB)
Title: Starter and controller for electric motors more particularly for sewing machines
IPC: H01C10/12
Filed: 1933-12-11
Abstract: 412,856. Controllers. GONYK, I., 64, Rennweg, Vienna. Dec. 11, 1933, No. 34772. [Class 38 (iii).] A starter and controller, more especially for use with sewing machine motors comprises a number of carbon discs or the like 6 con tained in an insulating tube 5 mounted between fixed insulating end plates 2, 3. Pressure is applied to the resistance column by a carbon end piece 7 which is acted upon by the end of a sliding frame having at least two parallel guide rods 11, 12 sliding through holes in the blocks 2, 3 and connected by a plate 13 and contact blade 14 which is adapted to bear on the carbon end piece 7. The other ends of the rods 11, 12 are bridged by an insulating block 15, to the centre of which is attached an actuating rod 16 operated by a chain 20 against a return spring 26. The block 15 also carries a conical contact 25 adapted when the resistance column is fully compressed to engage a blade spring 24 and short-circuit the column. Any heating produced within the column may be dissipated through holes formed in the blocks 2, 3 communicating with the interior of the tube 5, the bolt 8 at the fixed end of the column being formed with peripheral recesses to permit the passage of the heated air.
Patent GB-282472-A (GB)
Title: Linkwork for raising and lowering windows
IPC: E05F11/38
Filed: 1927-12-22
Abstract: 282,472. Cousinard, A. Dec. 22, 1926, [Convention date]. Vehicle-window opening and closing apparatus. -A window regulator comprising a mechanical device for giving a straight-line movement to a point and consisting of a stud 12 in the end of a link 9, the other end of which is guided by a stud in a linear slot 11 and the middle point of which is connected by a radius-rod 7 to a pivot 6 in line with the slot, is characterized by a detachable spring-controlled member 39 retaining the stud 12 in the hook-shaped attachment 30. The actuating means comprises an arc-shaped member 16 riveted to a pivoted right-angled piece 15 and driven by pinion 17 and handle 19. The link 20 connects the arc 16 and radius-rod 7, the pivots 6, 13, 21, 22 forming the vertices of a parallelogram. Balancing springs 25 for the weight of the sash are connected to the member 15. The faces of the hook and retaining member are inclined to allow the stud to be introduced into the recess by pressure. Modified actuating means comprises a lever 40 rigidly connected to the lever 7, Fig. 2. A braking device may be combined with the crank 19.
Patent GB-942245-A (GB)
Title: Sheet material cutting and transfer mechanism
Inventor: BALLARD REGINALD LEONARD
IPC: B65H35/04
Filed: 1962-09-12
Abstract: 942,245. Delivering sheets. BERKSHIRE PRINTING CO. Ltd. Sept. 12, 1962, No. 34804/62. Heading B6H. [Also in Division B4] A mechanism for transversely cutting and transferring strips of material from a web comprises a pair of cutting blades each movable in a circular path and periodically co-operating to sever the web, gripping means engageable with opposite sides of the web for drawing the latter past the cutting blades, and a suction delivery roller to which the cut lengths are successively transferred by the gripping means. The printed web W is longitudinally slit into strips by rollers 3, 4 and then drawn by grippers 23, 24 carried on driven chains 12, 9 between two pairs of driven meshing gear-wheels 13, 10. Eccentrically and freely rotatably mounted between the gear-wheels of each pair are beams 14, 11 carrying knife blades 15, 16. The beam 14 carries a fixed pillar 18 slidable in a ball bearing bush in the beam 11. As the gear-wheels rotate, the blades come into periodical shearing relation with each other. The grippers deliver the sheets to a driven roller 28 having radial openings 27 to which suction is periodically applied to transfer the sheets to a platform 29.
Patent GB-1240587-A (GB)
Title: Didactic apparatus
Inventor: TACEY CHARLES ARTHUR
IPC: A63H33/10
Filed: 1969-07-10
Abstract: 1,240,587. Constructional t o y . PILOGRAPH PUBLICATIONS Ltd. 3 July, 1970 [10 July, 1969], No. 34815/69. Heading A6S. [Also in Division G5] Didactic constructional apparatus comprises a plurality of units 10 each having a spigot projection 12 and corresponding socket 11 on opposite faces and one or more reticular sheets 20 formed with uniformly spaced interstices to receive the spigots of the units whereby the units may be connected in side by side relationship and a plurality of friction fit caps 30 for fitting to the spigots of individual units.
Patent GB-1113595-A (GB)
Title: Vehicle anti-skid braking system
Inventor: DAVIS JOHN WALTER
IPC: B60T8/52
Filed: 1964-08-26
Abstract: 1,113,595. Fluid-pressure brakes; disc brakes. DUNLOP CO. Ltd. 18 Aug., 1965 [26 Aug., 1964], No. 34859/64. Headings F2E and F2F. An anti-skid fluid pressure control device for a brake in which a friction member is movable circumferentially to a limited extent under the drag force, particularly a spot-type disc brake having its caliper 3 arranged for limited rotation about the axis of the disc 1, as by rotatably mounting it on a support 2, comprises a valve for reducing the pressure in cylinders 6 of the caliper, and which is normally maintained open by an arrangement of springs one of which opposes movement of the caliper under the drag force, the valve being arranged to be moved bodily by the drag force as brake pressure is increased and being subsequently prevented from returning by means responsive to supply pressure, whereupon reverse rotation of the caliper under incipient skid conditions causes the valve to close and pressure to be reduced in cylinders 6 either, as shown, by an expansion chamber 14 or by a relief valve. The fluid may be either hydraulic, supplied by a master cylinder or compressed air. In either case the valve consists of a body 9 which is slidable in a bracket 11 of the support 2, and a valve element 15 which is fluted to allow fluid flow past it along a bore 18 in which it slides, the head 16 of the valve element 15 normally being held clear of a seat, opening to a supply chamber 12, by a plunger 22 slidable in a bore 23 in the body and engaged at its remote end with the caliper, via a contact plate 26. A spring 29 urges the body 9 towards the caliper so that a stop 28 normally engages the head 16, and a spring 25 maintains the caliper normally in a position wherein stop pins 4 of the support 2 engage one end of slots 5 in the caliper. When pressure fluid is supplied to the chamber 12 it is also supplied to a locking or restraining device which as shown comprises a chamber 31 containing a friction pad 30 which is pressed by the fluid against the body to resist sliding movement. The friction produced by the pad 30 is overcome in normal braking by the drag force acting on the caliper 3 so that the valve is moved bodily by the plunger 22 acting via the element 15 and stop 28, compressing spring 25 in proportion to the drag force. Under incipient skid conditions, however, the caliper 3 reverses its movement while pad 30 holds the body 9 in its new position. The plunger 22 therefore retracts relative to the body 9, allowing a spring 17 to close the valve and, upon further retraction of plunger 22 in chamber 27, increasing the volume of the closed-off portion of the system to reduce pressure in the cylinders 6. In a modification (Fig. 2, not shown) the chamber 31 and pad 30 are replaced by a one-way valve 43 feeding fluid from a reservoir to a chamber 41 provided at the right-hand end of the body 9, and by a by-pass valve 46 for the valve 43 which is controlled by brake pressure.