baber/WOPTO huggingface dataset:
Patent GB-553235-A (GB)
Title: Anchors
IPC: B63B21/44
Filed: 1941-09-11
Abstract: 553,235. Anchors. DANFORTH, R. S. Sept. 11, 1941, No. 11649. Convention date, March 12. Drawings to Specification. [Class 113 (i)] A twin-fluke anchor has a stock of length at least 2¢ times the distance between the respective centres of area of the portions of the flukes forward of their pivot, these areas being more than 65 per cent of the total fluke area, the total fluke area forward of said pivot by more than 20 per cent of the shank length being at least 60 per cent of the resistance area. A plane passing through the point of cable attachment and the forward ends of the flukes in operative position makes an angle of less than 75 degrees with the projected fluke forward faces.
Patent GB-546687-A (GB)
Title: Improvements in girdles or foundation garments
IPC: A41C1/00
Filed: 1940-07-12
Abstract: 546,687. Girdles or foundation garments. AMYOT, L. J. A. July 12, 1940, No. 11650. [Class 141] A girdle or foundation garment is provided at the waist line, at the sides and back, with an elastic band 12 which is folded and stitched to the garment at 14 and is supported vertically by a number of V-shaped reinforcing inserts 15 of cord stiffened textile fabric, the bases of which lie close together at the top of the band. The band may extend completely round the garment.
Patent GB-166984-A (GB)
Title: A process for preparing sterilized milk containing active vitamines, and sterile condensed or dried milk, sterilized cream, and sterilized butter
IPC: A23C3/03
Filed: 1920-04-27
Abstract: 166,984. Hort, E. C. April 27, 1920. Sterilizing milk &c.-Milk, cream, &c. are sterilized by passing superheated steam through them. The milk is contained in a closed vessel i which is enclosed in an autoclave a containing water in its base and heated by a burner h. A valve g in the upper part of the autoclave is open until air is expelled, and is then closed. When a temperature of about 116‹ C. and a pressure of about 20 lb. is obtained in the autoclave, a valve on a pipe m leading from the vessel i to the atmosphere is opened. Steam passes down the pipe k through the milk and escapes by the pipe m. Sugar previously sterilized by steam may be added to the sterilized milk. Condensed milk may be sterilized in the apparatus. Sterile dried milk and butter may be prepared from the sterilized milk. Sterile butter oil may be prepared from sterile butter or may be sterilized after preparation.
Patent GB-887424-A (GB)
Title: A method and an apparatus for the manufacture of artificial filaments, ribbons and the like products from thermoplastic linear polymers
IPC: B29B13/02
Filed: 1960-04-01
Abstract: <PICT:0887424/IV (a)/1> <PICT:0887424/IV (a)/2> In melt-spinning apparatus in which synthetic organic polymeric material in particulate form is conveyed downward from a feed hopper through a down pipe into a melt chamber containing a heated melting grid and grid wall, the melt flowing through the grid forming a pool in a receiver below the grid and being withdrawn therefrom by a spinning pump, and in which the top of the melt chamber and the bottom of the down pipe abut on one another with their inner surfaces in register to form a continuous surface, the portion of the wall of the melt chamber above the upper surfaces of the bars of the melting grid is provided with an annular gap or slit located less than 3 cm. above the upper surface of the grid bars and less than one millimetre in width, said gap reducing the flow of heat by conduction from the portion of the melt chamber wall below the gap to the portion of the wall above the gap, whereby the latter portion is maintained at a temperature below the softening temperature of the polymeric material.  The annular gap may have a width of less than 0,5 mm. and may be located at a height of 5 to 10 mm., preferably 8 mm., above the upper surfaces of the grid bars.  The polymer may be supplied to the melting grid under pressure exerted on the polymeric material by mechanical means.  As shown in Fig. 1, a melting grid 1 comprises an annular mantle 2 through which a heating medium is passed by means of pipes 3, 4, and a system of hollow grid bars 5 through which the heating medium also flows.  The top of the mantle 2 is secured to a cooling ring 6 provided with cooling ribs 46 by means of bolts 8, the joint between the mantle and the cooling ring being sealed by means of the gasket 7.  A down pipe 9 is secured to the cooling ring 6 by bolts 10 and is provided with an inlet tube 11 for the introduction of nitrogen.  The mantle 2 is provided with a chamber 12 located below the melting grid bars 5 for the reception of molten polymer, which is withdrawn from the chamber 12 through the outlet 15 by means of the spinning pump 22. The top 28 of the down pipe 9 is connected by means of a rubber sleeve 31 to the bottom of a valve 36 adapted to close the discharge opening of the granule hopper 37.  As shown in Fig. 2, the lower rim 41 of the cooling ring 6 extends as a tapering lip. Between this lip and the mantle 2 there is an annular clearance or gap 42 located at a height of 8 mm. above the grid bars 5 and having a width of 0,4 mm.  An annular compressed asbestos cement ring 43 is located between the upper portion 44 of the outer wall of the mantle 2 and the lower rim 41 of the cooling ring 6.  The apparatus prevents the formation of a deposit of decomposed or carbonized polymers on the inner surface of the melting chamber wall above the level of the grid.  Specification 820,918 is referred to.
Patent GB-1171556-A (GB)
Title: Gripper Axminster Looms
Inventor: COATES HERBERT
IPC: D03D39/02
Filed: 1967-03-13
Abstract: 1,171,556. Gripper Axminster looms. DAVID CRABTREE & SON Ltd. 22 May, 1968 [13 March, 1967], No. 11661/67. Heading DIE. A gripper Axminster loom has two sets of grippers, a first set 18 to move the tufts from a selection mechanism 10 to a transfer station 15 and a second set 21 to take them from the first set 18 and to wipe them into the fabric. The transfer station has a reed 15 into which the tufts from the first set of grippers 18 are inserted and a presser comb 22 is provided to push the tufts into the second grippers, which take them from the first. Instead of two oscillatory sets of grippers rotary heads with a number of sets of grippers may be provided. A rack, gear wheel, chain, sprocket and cam mechanism is described for moving the grippers between their appropriate stations and for sequentially opening and closing their jaws. A knife 11 is provided for severing the tufts at the selection mechanism.
Patent GB-905779-A (GB)
Title: Improvements in or relating to water soluble vinyl polymers
IPC: C08F2/32
Filed: 1960-04-04
Abstract: A process for preparing water-soluble polymers comprises dissolving one or more vinyl-type monomers and a polymerization catalyst therefor in water, dispersing the resulting solution in an inert water-immiscible liquid aliphatic hydrocarbon having dissolved therein a stabilizer for the dispersion, polymerizing the monomer in the substantial absence of air while agitating the dispersion, and recovering the resulting polymer product.  The preferred catalyst is potassium persulphate, and specified hydrocarbon liquids include hexane, heptane, methylcyclohexane and kerosene.  Specified dispersion stabilizers are sorbitan monooleate, sorbitan trioleate and sorbitan monostearate.  Many suitable monomers are listed including unsaturated amines, carboxylic acids, sulphonic acids and the sodium salts thereof, quaternary ammonium salts derived from amino esters, ethers and heterocyclic compounds, sulphonium salts, amides, lactones, alcohols, aldehydes and ethers.  Examples describe the polymerization of (1 and 13-29) 1,2-dimethyl-5-vinyl pyridinium methyl sulphate; (2) acrylamide and (4) b -methacrylyloxyethyl trimethylammonium methyl sulphate; and the copolymerization of (7) acrylamide and methacrylamide; of 1,2-dimethyl-5-vinyl pyridinium methyl sulphate with (3) acrylamide, (5) methacrylamide, (9) acrylamide and methacrylamide, (11) b -methacrylyloxyethyl trimethyl ammonium methyl sulphate and (12) acrylamide, methacrylamide and b -methacrylyloxyethyl trimethyl ammonium methyl sulphate; and of b -methacrylyloxyethyl trimethyl ammonium methyl sulphate with (5) acrylamide, (6) methacrylamide and (10) acrylamide and methacrylamide.  The products may be separated by acetone precipitation, azeotropic distillation, drum drying or spray drying and the products used as flocculation and retention aids.
Patent GB-1029172-A (GB)
Title: Process and apparatus for the polymerization of ethylene
IPC: B01J19/00
Filed: 1963-03-26
Abstract: <PICT:1029172/C3/1> In a process for the polymerization of ethylene, wherein a reaction mixture is subjected to recurrent flow pulses, a degree of fouling factor is derived and the interval between flow pulses controlled accordingly. As shown, a mixture of ethylene and initiator is fed via line 11 to a preheating zone 12 and a reaction zone 10a of an elongated tube reactor 10.  The polymer formed and unreacted ethylene are cooled on a zone 13 and discharged through a pressure control valve 14.  The reactor 10 is provided with pressurized water to jackets 9a-9c.  During polymerization, a polymer build-up occurs in the tube 10 with consequent variation of flow-rate, reactor heat transfer rate and product quantity.  The extent of the build-up is determined by a thermocouple 18 in a critical section of the reactor where the reactor temperature is above 400 DEG  F.  The thermocouple is connected through a temperature controller 20 to a computer 22 carrying out the integration of temperature against time in accordance with a predetermined equation during a sudden reduction of the pressure in the reactor caused by opening an outlet valve 14 through a valve position control 38.  The pressure reduction is maintained for a predetermined period and followed by the closure of valve 14 and the restoration of the pressure in the reactor to a steady state valve at which it is controlled by a pressure controller 36 responsive to the difference between the reactor pressure, as sensed by a strain-gauge 24 and a preset value from a comparator 40.  The cycle of operations is controlled by a timer 26 actuating a selector switch 28 and the period between pressure reductions is adjusted by the computer 22 so that with an increase of the integrated temperature value between cycles the period is increased and vice versa.  When the adjustment is unsuccessful the succeeding periods become too short and an alarm is triggered so that the operator shuts down the plant and cleans it with a solvent.  In a modification, the integrated temperature value controls the reduction in reactor pressure.  In a further modification a plurality of thermocouples and commuters are employed and control the timer through a selector responsive to the highest integrated temperature value.
Patent GB-183578-A (GB)
Title: Improvements relating to the feed mechanism of drilling machines
IPC: B23Q5/32
Filed: 1921-04-26
Abstract: 183,578. Bechet, W. F., and White, Jacoby, &. Co., Ltd. April 26, 1921. Drilling.-In a feed mechanism for a drilling- machine in which the drill spindle and feed-screw are coaxial, the spindle and screw each carry a gear-wheel meshing with a gear train which may run idly round the common axis, or may have its axis fixed to transmit motion to the feed-screw. The feed-screw b is rigidly fixed to a casing f and an annular wheel e, the latter engaging a reduction train m, l, k, j, the last element j engaging a pinion i rigidly attached to the spindle c. The gear train is rotatably mounted on studs n secured to a disc g free to revolve about the common axis. To engage the drill feed, the disc is prevented from rotating by means of a stop o and abutment p. The disc may be rotated in either direction when the stop is out of action by a handle x. According to the Provisional Specification, the method of operating the feed is by locking the disc g to the casing f by means of bolts engaging a yoke operated by a screw, a handwheel being secured to the casing for manipulation of the feed-screw.
Patent GB-719659-A (GB)
Title: Improvements relating to copy-holders
IPC: B41J29/15
Filed: 1952-05-13
Abstract: 719,659. Ratchet clutches. WESTINGHOUSE GARRARD TICKET MACHINES, Ltd., and McCALL, F. W. March 27, 1953 [May 13, 1952], No. 12079/52. Class 80 (2) [Also in Group XVI] A knob 9, Figs. 7 and 8, is secured to the feed spindle 7 of a copy-holder (see Group XVI) by means of a free-wheel arrangement. Fixed on the spindle 7 is a wheel 34 having a circuinferential groove 43 and accommodated in a space between the knob 9 and a disc 33 to which the knob is secured in spaced relationship by spacers 35a 35b, 35c. A pawl 44 is pivoted to the disc 33 at 45 and is urged by a spring 41 into the groove 43, while a further pawl 47 is pivoted at 38 to a bush 39 fixed to a stationary plate 2b and is urged into the groove by a spring 46. On clockwise rotation of the knob by means of a trigger 48, the pawl 44 frictionally rotates the spindle 7, while on the reverse rotation, caused by a torsion spring 49, the pawl slides freely in the groove. Plates 37a, 37b of a stop 37 limit the movement of the disc by abutting the ends of an arcuate recess 40 in. the disc.
Patent GB-1187732-A (GB)
Title: An Arrangement for Controlling the Braking Distance of Lift Cages
IPC: B66B1/44
Filed: 1968-03-13
Abstract: 1,187,732. Operating lift brakes. TORNBORG & LUNDBERG A.B. 13 March, 1968 [16 March, 1967], No. 12217/68. Heading B8L. In a lift in which the whole cage or the load supporting floor is resiliently supported, the variation in size of the elastic support member, which varies with the load, is used to apply the brakes at an appropriate instant so that the cage stops at the desired level. Fig. 1 shows a lift driven by a motor 2 and a rack and pinion 4, 3. The motor 2 is connected to the cage by a resilient member 6 and the brakes are applied when a cam 10a runs up a fixed ramp 12. The cam arm is laterally displaced by the member 6 through links 8a, 8b, 9.
Patent GB-389670-A (GB)
Title: Telephonic device for domestic and like purposes
IPC: H04M9/00
Filed: 1932-04-29
Abstract: 389,670. Direct-call systems. HYPHER, N. C., Pinwell, Mackenzie Street, Slough. April 29, 1932, No. 12331. [Class 40 (iv).] A telephone set arranged near the door of a house comprises a loud-speaker 5. and sensitive microphone 7 and an illuminated sign 8 controlled by a distant key 10 associated with a hand set 3, 6 for the resident, a common battery being employed for the .speech circuits and the sign. The impedance-matching transformer 4 may be replaced by a magneto-microphonic or thermionic amplifier.. The sets are preferably associated with the line by means of plug-andsockets of the kind used for thermionic valves, sockets being provided in a number of rooms. The lamp is shunted by a condenser to avoid the effects of inductive kick. In a preferred construction, the loud-speaker 15, 21, microphone 16, and sign 17 are mounted on a frame comprising a disc 19, annulus 18, and distance rods 20, the microphone and sign projecting through holes in the horn, and the whole is contained in a metal casing with an open front having a gauze or mesh cover.
Patent GB-132212-A (GB)
Title: A Contrivance for the Complete Separation of Extracted Liquor and Remelted Syrup in Direct Remelting Centrifugal Machines.
Inventor: LEMOINE JULES LOUIS
IPC: C13B30/10
Filed: 1919-05-16
Abstract: 132,212. Lemoine, J. L. Dec. 4, 1918, [Convention date]. Addition to 131,860. Hydro-extractors.-In a centrifugal machine of the type described in the parent Specification, the imperforate drum h is lowered into, and housed in the gutter e, Fig. 1. For this purpose, the gutter e is provided with a rib j<1> on which slides a notches lug i' on the drum h. In another form, Fig. 5, the imperforate drum is constituted by two telescopic drums h, h<1>, which are housed in the gutter e. A notched lug i<3> on the outer drum h' slides on a rib j<2> which has a stop t' to limit the movement of the drum. A similar stop t on the rib j<1> on the drum h', on which slides the notched lug i<1> on the drum h, limits the movement of the drum h.
Patent GB-567689-A (GB)
Title: Improvements in or relating to cutting blocks
IPC: C14B5/00
Filed: 1943-07-30
Abstract: 567,689. Cutting-out presses. BRITISH UNITED SHOE MACHINERY CO., Ltd. (United Shoe Machinery Corporation). July 30, 1943, No. 12371. [Class 31 (i)] A cutting block for use in connection with dies or hand knives for cutting blanks such as shoe uppers from leather, is constructed of a number of sections 10 which are secured together by means of bars 16, 18 connected by bolts 20. The sections are formed of plastic material such as artificial resin in which are embedded fibres such as sisal hemp fibres. The blocks are formed with ribs 12 and adjoining recesses 14 which interfit with each other and with ribs and recesses in the clamping bars 16, 18. As shown in Fig. 3, fibres 22 are embedded in plastic material 26 moulded to the desired shape in moulds heated to 275‹ F. when the plastic material is a resin of the type known as a rosin-modified maleic glyceride, known under the name Thermelt, and having a melting point of about 175‹ F. The fibres may consist of from 55 to 65 per cent by weight of the composition, and are arranged substantially parallel to each other in directions normal to the cutting surface of the block.
Patent GB-1458494-A (GB)
Title: Production of azonitriles
IPC: C07C253/00
Filed: 1975-03-25
Abstract: 1458494 Azonitriles E I DU PONT DE NEMOURS & CO 25 March 1975 [2 April 1974] 12473/75 Heading C2C Azonitriles, e.g. 2,2<SP>1</SP>-azobis-(2,4-dimethylvaleronitrile) and 2,2<SP>1</SP>-azobis-(4-methoxy-2,4- dimethylvaleronitrile), are obtained by coupling aminonitriles in the presence of a hypochlorite, then acidifying the reaction mixture to a maximum pH of (below) 4 and adding an alkalimetal, alkaline-earth-metal or quaternary ammonium nitrite, sulphite, bisulphite or thiosulphate, sulphur dioxide, nitrogen oxide (NO), oxalic acid, formaldehyde or hydroxylamine as a reducing agent before recovering the azonitrile from the reaction mixture.
Patent GB-746994-A (GB)
Title: Improvements in or relating to the desulphurisation and desiliconising of pig iron
IPC: C21C1/00
Filed: 1954-04-29
Abstract: The process of reducing the sulphur and silicon contents of pig iron according to the parent Specification is modified by replacing all or part of the reducible oxides by oxygen or a gas or gases containing available oxygen.  The gas may be oxygen, air, or air enriched with oxygen, with or without the addition of carbon dioxide or water vapour.  The final temperature of the pig iron may be regulated by adjusting the composition of the gas and/or by adjusting the proportions of gas and reducible oxides. It is stated that if the oxidising constitutents are adjusted to remove only the silicon and to produce a desulphurising slag, the remaining constitutents of the pig iron, e.g. carbon, manganese, and phosphorus are unaltered.
Patent GB-1093857-A (GB)
Title: Method and apparatus for sterilizing
IPC: A61L2/24
Filed: 1965-03-24
Abstract: A steam-sterilizing chamber comprises a compartment containing a temperature sensitive element, e.g. a thermister, separated from the chamber by a porous element, e.g. silicon carbide selected so that the sensor indicates a temperature similar to that in the most inaccessible parts of the load thus permitting control of the process to the requirements of the load. Preferably, another temperature sensing element is provided in the chamber and the two sensors in a comparison circuit may be used to control an automatic sterilizing process comprising the alternate admission of steam and evacuation until the first (protected) element indicates that the sterilizing temperature has been reached throughout the load and thereafter, steam is admitted to maintain this temperature for a predetermined period before the steam is removed and air is admitted.
Patent GB-774696-A (GB)
Title: Process for the production of ortho-methylol phenols
Inventor: RAUM ALARIC LOUIS JEFFREY
Filed: 1954-04-30
Abstract: Moulding powders are produced by impregnating fillers, e.g. by the process of Specification 697,626 with a product obtained by condensing a molar excess of phenol, metacresol or meta-ethyl phenol with formaldehyde in an aqueous reaction mixture having a pH value in the range 4 to 7 and in the presence of a salt of a divalent electro-positive metal with a carboxylic acid, which salt is at least partially soluble in the reaction mixture (see Group IV (b).ALSO:A product containing ortho-methylol phenols as the principal phenol-formaldehyde condensation product is obtained by condensing a molar excess of of phenol, meta-cresol or meta-ethyl phenol with formaldehyde in an aqueous reaction mixture having a pH value in the range 4 to 7 and in the presence of a salt of a divalent electro-positive metal with a carboxylic acid, which salt is at least partially soluble in the reaction mixture.  The formaldehyde can be present as such or in the form of a compound, e.g. paraformaldehyde, which breaks down and produces formaldehyde under the reaction conditions employed.  The salts may be derived from barium, strontium, calcium, magnesium, manganese, zinc, cadmium, cobaltous cobalt and lead and benzoic, formic, acetic and lactic acids.  Salts specified include acetates of zinc and cadmium and formates of zinc, cadmium and magnesium.  For the production of a reaction mixture containing a high proportion of a mono-methylol phenol, e.g. saligenin, the condensation of the formaldehyde is not allowed to proceed to completion.  To separate saligenin the reaction mixture is distilled at low temperature to remove water and phenol and a solvent such as carbon tetrachloride, trichloro-ethylene or benzene is added to the residue and saligenin is crystallized from the solution. Alternatively the reaction mixture, before or after distillation of the excess phenol and water may be subjected to countercurrent extraction with two immiscible solvents.  Aqueous solutions of the products may also be dehydrated by vacuum distillation.  In examples saligenin is obtained by reacting phenol and formalin in the presence of zinc acetate, zinc formate or cadmium acetate (1) and (5); in similar processes zinc acetate and cadmium formate are employed (2-4); meta-cresol and formalin are reacted in the presence of zinc acetate, magnesium formate or acetate or cobalt acetate and the product is analysed chromatographically (7); saligenin and 2 : 6-dimethylol phenol are obtained by reacting formaldehyde and phenol in the presence of zinc acetate.  The products may be employed to impregnate fillers to form moulding powder (see Group IV (a)). Specification 697,626 [Group IV (a)] is referred to.
Patent GB-313708-A (GB)
Title: Indoor appliance for use in connection with the drying and airing of clothes
IPC: D06F57/12
Filed: 1928-04-30
Abstract: 313,708. Robb, J. K. April 30, 1928. Garment racks.--The pulleys of a clothes airer of the kind suspended from a ceiling &c. are removably supported by slotted plates secured to the ceiling so that they may be removed when the airer is not in use. The ends 19, Fig. 8, of the pole of the airer are suspended from crossbars 21, 22 by hooks 17 one of which is provided with a plate 24 Fig. 6 adapted to be engaged in a slot 12<a>, Fig. 5, in the bracket of each of the pulleys so that the shank 8 of the pulley can be inserted in a slot in the ceiling plate 1 and then turned through a right angle to enable a cross-pin 10 on the shank to rest in a groove in the plate.
Patent GB-335515-A (GB)
Title: Improvements in sound magnifying horns
IPC: G10K13/00
Filed: 1929-04-23
Abstract: 335,515. Kuchenmeister, H. J. Dec. 27, 1928, [Convention date]. Sound-magnifying horns.-Flat sheets of metal, as in Fig. 3, are assembled and soldered, as in Fig. 4, to produce a horn of which the intermediate section forms a flat base member, with the flare lying above it, parts of the sheet walls being common to different sections. The sheets may be of iron coated with lead, and may be stiffened by indentations.