baber/WOPTO huggingface dataset:
Patent GB-693476-A (GB)
Title: Improvements in or relating to heat exchangers
IPC: F28F3/08
Filed: 1951-10-22
Abstract: 693,476. Plate heat-exchangers. AKTIEBOLAGET SEPARATOR. Oct. 22, 1951 [Oct. 24, 1950], No. 24578/51]. Drawings to Specification. Class 64 (iii) A plate heat-exchanger comprises spaced plates defining fluid-flow passages therebetween, all the plates being so corrugated transversely of the flow direction, that, when viewed in a direction parallel to the corrugations, flow spaces of triangular crosssection are formed between adjacent plates, said spaces communicating with one another through passages defined on one side by a flat wall and on the other side by a wall including a corrugation ridge. Bosses or small corrugations may be additionally formed in the plates to increase turbulence.
Patent GB-1126553-A (GB)
Title: Fluorocarbon ethers and polymers formed therefrom
IPC: C08F16/24
Filed: 1966-06-02
Abstract: 1,126,553. Fluorinated ethers. E. I. DUPONT DE NEMOURS & CO. 2 June, 1966 [2 June, 1965], No. 24587/66. Heading C2C. [Also in Division C3] The invention comprises compounds of the general formula wherein n is an integer from 2-20 and x is an integer from 1-10. The compounds are prepared by heating a compound of the formula in the liquid phase at 100-200‹ C. and 1000- 6000 atmospheres pressure in an inert atmosphere.
Patent GB-501073-A (GB)
Title: Improvements in or relating to electric heating apparatus
IPC: D06F79/02
Filed: 1938-09-09
Abstract: 501,073. Two-part couplings. LOBSTEIN, J. Sept. 9, 1937, Nos. 24632 and 24633. Convention dates, Sept. 26, 1936 and Feb. 13, 1937. [Class 38 (i)] [Also in Group XI] An electric iron 2 has knife contacts 17c for engaging between blades 16c on a current-supplying stand. In Figs. 7 and 9, the iron is fitted with a single plug 17 with an insulator 20 for engaging a socket 16 with an insulator 21.
Patent GB-1434507-A (GB)
Title: Suprapublic catheterization apparatus locating and securing of wood joints
IPC: A61M25/08
Filed: 1974-06-04
Abstract: 1434507 Catheterization apparatus KENDALL CO 4 June 1974 [25 June 1973] 24733/ 74 Heading A5R An apparatus for suprapubic catheterization comprises a hollow hub 12, a flexible catheter tube 11 extending from and communicating with the hub and having at least one opening at the end thereof remote from the hub, a hollow elongated stylet 13 which has an external diameter slightly less than the internal diameter of the catheter tube, has a pointed closed tip 15 and an opening close to the tip and can be positioned through 'the hub within the catheter tube with its closed tip protruding from the catheter tube, a flexible drainage tube 23 which is attached or attachable to the hub to enable body fluid entering the apparatus through the openings in the stylet and the catheter tube to be drained from the hub, and a locking mechanism 20 which is slidable on the catheter tube and includes a male part 21 having a tapered portion which fits tightly into a tapered recess in a female part 22 the male part having at least one slit in its tapered portion. The stylet has a head 17 which interlocks with the hub 12. When the catheter has been inserted into the bladder and the stylet removed, the drainage tube 23 is locked to the hub in alignment with the catheter by the engagement of projection 19 on the hub in cutout 25 in the end of the drainage tube. The distal end of the catheter tube is coiled to hold the catheter in the patient, the coiled tube being straightened by a rigid plastics sleeve which is positioned over the tube prior to insertion of the stylet and removed prior to insertion of the catheter into the body. In a second embodiment the hub has an additional exit for fluid at a right 'angle to the hub channel to tube 23, the channel being blocked by a removable cap. A syringe may be inserted into the channel for irrigation of the bladder, and on insertion blocks the additional fluid exit.
Patent GB-1260810-A (GB)
Title: Improvements in or relating to cartons
Inventor: EDERER KARL
IPC: B65D5/46
Filed: 1970-05-22
Abstract: 1,260,810. Collapsible boxes. K. EDERER. 22 May, 1970 [27 May, 1969], No. 24822/70. Heading B8P. A carton for cakes comprising a base 1, side and end walls 2, 2<SP>1</SP>, 3, 3<SP>1</SP> connected to the base and two lid members 4, 4<SP>1</SP> connected to the side walls 2, 2<SP>1</SP> respectively, is self-erecting by means of pull-cords 7 each attached to the lid members 4, 4<SP>1</SP> at 8 and passing through lugs 9 on the end wall 3 or 3<SP>1</SP>. The lugs 9 are placed a distance a from the side edges of the end walls 3, 3<SP>1</SP>, equal to the distance c from the points 8 to the other side walls 2, 2<SP>1</SP>, so that the lugs 9 and the points 8 are aligned when the carton is erected. The cord 7 is flat with ends of circular crosssection and notches are formed near points 8 to locate the lugs 9 in the erect condition of the carton. In the embodiment shown, the blank comprises three parts glued together along seam lines 6. The length I of side walls 2, 2<SP>1</SP> is longer than the length L of the base, and the height h of the end walls 3, 3<SP>1</SP> is greater than the width b<SP>1</SP> of the other side walls 2, 2<SP>1</SP>. The edges 12 of the side walls 2, 2<SP>1</SP> may be folded inwardly of the erected carton about crease lines 11 and secured to the end walls 3, 3<SP>1</SP>. In a modification, the blank comprises three portions, the side walls (200, 200<SP>1</SP>) overlapping and being glued to the base (1<SP>1</SP>) and to the end walls (300, 300<SP>1</SP>) in a triangular region adjacent the base, the side edges (21) of the side walls (200, 200<SP>1</SP>) being creased so that they fold inwardly upon erection of the carton.
Patent GB-1271741-A (GB)
Title: Improvements in or relating to injection moulding machines
IPC: B29C45/52
Filed: 1969-05-15
Abstract: 1,271,741. Injection moulding machines. MASCHINENFABRIK UND GIESSEREI NETSTAL A.G. 15 May, 1969 [31 May, 1968], No. 24939/69. Heading B5A. A non-return valve for the screw 8 of an injection moulding machine comprises a head 9c mounted eccentrically with respect to the axis a of the screw, the head 9c being connected to the screw 8 by a shaft 9b having clearance between itself and a valve ring 7. In a modification (Fig. 2, not shown) the shaft (19b) on which the head (19c) is mounted is also eccentric with respect to the screw axis a. The axes (a), (b) and (c) ofthe screw, head (19c) and shaft (19b) lie in one plane.
Patent GB-818406-A (GB)
Title: Nailing machine
Inventor: DOUGLAS JOHN STUART
IPC: B27F7/02
Filed: 1956-08-15
Abstract: 818,406. Nailing machines. IMPERIAL CHEMICAL INDUSTRIES Ltd. Aug. 2, 1957 [Aug. 15, 1956], No. 24950/56. Class 89(3) Apparatus for inserting a round nail into an article comprises an axially rotatable bit adapted to grip the head of the nail so as to rotate the nail about its axis, and power operated means for simultaneously rotating the bit and advancing it axially so that the nail will be simultaneously rotated and pressed into the article. In Fig. 1, a spindle 1 which is arranged for vertical movement and which is rotated abouts its longitudinal axis, is operatively connected through an adaptor 2 with a bit 4 which has a conical socket 5 formed with a number of shallow grooves cut from the apex to the base of the cone. A nail 14, which has been dropped into a side channel 13 of a block 8, is retained by means of lips 23 within semi-circular recesses forming a hole 12 between two spring pressed jaws 9, 10 of a chuck contained in a cavity 20 at the lower end of the block 8. To insert the nail into the workpiece the rotating spindle 1 is caused to move downwardly so that the bit 4 and adaptor 2 enters a vertical hole 11 through the block 8. The socket 5 engages and frictionally grips the head of the nail 14 and the nail is rotated whilst lips 23 at the bottom of the jaws 9, 10, keep the nail in a vertical position. The bit 4 enters a funnel-shaped portion 15 at the upper end of the hole 12 and forces the jaws 9, 10 of the chuck apart, and penetrates the gap so created so as to push the nail into the workpiece. The block 8 and the chuck mechanism may be lifted vertically along a support 7 to extract nails which have not been properly driven in In order that the head of the nail shall be flush with the surface of the workpiece, the bit must slightly penetrate the workpiece.
Patent GB-1270579-A (GB)
Title: Dihydroxy-1,4-dioxanes
IPC: G03C1/30
Filed: 1969-08-12
Abstract: 1,270,579. Dihydroxy-1,4-dioxane derivatives. FUJI PHOTO FILM CO. Ltd. 12 Aug., 1969 [17 Aug., 1968], No. 24995/70. Divided out of 1,270,578. Heading C2C. Novel dihydroxy-1,4-dioxane derivatives of the general formula wherein A represents and R 1  and R 2  are alkyl, haloalkyl, alkoxyalkyl aryl or aryloxyalkyl groups, or R 1  is a hydrogen atom, and Z is a substituted or unsubstituted saturated or unsaturated carbocyclic ring, are prepared by reacting a 1,2 dihydroxy alkane compound containing the atoms A above with glyoxal either with heating or in the presence of a desiccant under reduced pressure. The reaction is preferably carried out using an aqueous solution of glyoxal and phosphorous pentoxide as the desicant. Examples describe the preparation of derivatives wherein the dihydroxy compound is 3-chloro-1,2-propanediol, 1,2 - octanediol, 1,2 - octadecanediol, 1,2- propanediol, 2,3 - butanediol, 2,3 - pentanediol, 1,2 - dodecanediol, 3 - n - butoxy - 1,2 - propanediol, 3 - n - dodecyloxy - 1,2 - propanediol, 2- phenyl - 1,2 - ethanediol, 3 - phenoxy - 1,2- propanediol, catechol and 4-tert. butyl catechol. The compounds may be used as hardeners for photographic materials.
Patent GB-278180-A (GB)
Title: Anti-splash fitment for liquid taps
IPC: E03C1/086
Filed: 1927-07-05
Abstract: 278,180. Tweedie, J. July 5, 1927. Splash, preventing.-An antisplash fitting for water taps comprises a short length of split tube bent to form channels C and fitted into the outlet of the tap.
Patent GB-958731-A (GB)
Title: Means for supplying heated air to blast furnaces
Inventor: BOCKOWSKI GEORGE
IPC: C21B5/06
Filed: 1962-06-29
Abstract: <PICT:0958731/C3/1> Plant for supplying heated air to a blast furnace 1 comprises a gas turbine unit 17 burning blast furnace gas supplied through cleaning units 9, 13 and 18 and driving an air blower 21 and an electric generator 23, an indirect heat exchanger 27 supplied with exhaust gases from the turbine and air from the blower, and electric heaters 33 arranged in parallel to supply additional heat to the air on its way to the tryeres 3.  The electric heaters are arranged near the furnace on girders extending radially therefrom.  In practice eight or nine electric heaters are used, and the generator 23 is a three-phase alternator working through a transformer 35.  Air leaves the heat exchanger 27 at a temperature of about 500  DEG C. and is heated further up to about 850  DEG C.  Slightly under 50% of the blast furnace gas is conducted by a main 19 to other parts of the iron works.
Patent GB-897880-A (GB)
Title: Method of manufacturing a knit stocking
IPC: D05B93/00
Filed: 1959-07-22
Abstract: 897,880. Stockings, stitched seams. UNITED STATES TRUST CO. OF NEW YORK. July 22, 1959 [Aug. 13, 1958], No. 25119/59. Classes 112 and 141. A transversely extending opening in the toe of a knitted stocking is closed by laying the material on one side of the opening upon the material of the other side of the opening with the courses of respective sides in approximately parallel to one another, then cutting the margins of the opening so as to provide the opening in the opposite edges defined by freely extending loops of the knitted material, and joining the edges by a seam having at least twice as many stitches per inch as there are loops per inch in each edge of the opening, while catching substantially all of the loops with at least two of said stitches. As shown, the superfaced edge loops 14, 15, Fig. 3, are interconnected by a loose seam comprising a looper thread 16 and two needle threads 17, 18. The stocking is then turned inside out to provide a flat butt seam as shown in Fig. 4. The seam may extend across either the top or the underside of the toe portion.
Patent GB-502362-A (GB)
Title: Improvements in or relating to pickers for over pick looms
IPC: D03D49/36
Filed: 1937-09-15
Abstract: 502,362. Pickers. BURGERSTEIN, L. Sept. 15, 1937, No. 25124. [Class 142 (iii)] A compressed rolled raw hide picker for overpick looms has its plies held together by a member 2 with widened ends &c. situated completely in the hide pack, its shank being parallel to the spindle bore. The member may be of aluminium alloy, synthetic resin, or ebonite and may comprise a split pin, a screw and nut, a hollow rivet, a headed clip, or a two part metal button. It may intersect the spindle bore and help to guide the spindle S.
Patent GB-502046-A (GB)
Title: Improvements in electrical insulation
IPC: H01B7/02
Filed: 1937-09-16
Abstract: 502,046. Conductors ; cellulose ester films; impregnating - compositions. GROVES, W. W. (I. G. Farbenindustrie Akt.- Ges.) Sept. 16, 1937, No. 25180. [Class 36] [Also in Groups IV and VIII] Conductors are insulated with a finely porous cellulose triacetate foil impregnated with oil. Impregnation is effected after application of the foil to the conductor. The foil may be rendered porous by incorporating therein a soluble substance which is dissolved out or by incorporating a substance, such as ammonium nitrite or ammonium carbonate, which can be vaporized. For instance, finely ground sugar may be stirred into a solution of cellulose triacetate in methylene chloride and methanol and the solution cast to produce a film of 200Á thickness, the film being then dried, extracted with water and again dried. Alternatively, a similar solution of cellulose triacetate is stirred with a solution of polyvinyl chloride in methylene chloride and the film extracted with butyl acetate. Such a foil may he applied to a conductor in layers on a taping machine; a winding of jute or metal strips may also be applied. The cable is then immersed in oil and maintained at 80- 120‹ C. under reduced pressure until all included air has been removed. In the case of multi-core cables, the fillings may also be of porous triacetate foil.
Patent GB-989141-A (GB)
Title: Improvements in or relating to transistor differentiating circuits
IPC: H03F3/18
Filed: 1963-06-25
Abstract: 989,141. Differentiating circuits. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. June 25,1963 [June 28, 1962], Heading G4G. [Also in Division H3] In a CR differentiating circuit the resistance element is formed by the emitter input resistance of a common base transistor Tr1, the collector of which is connected to the base of a complementary transistor Tr2 and the base of which is connected to the collector of the complementary transistor. The circuit shown includes an emitter follower Tr3 to feed to differentiating capacitor and a variable resistor R4 to set the emitter-earth input voltage substantially to zero.
Patent GB-835192-A (GB)
Title: Pressure breathing therapy apparatus
IPC: A61M16/00
Filed: 1958-08-06
Abstract: 835,192. Respiratory appliances. STANTON, P. L. Aug. 6, 1958, No. 25245/58. Class 81 (2). Breathing apparatus comprises pressureoperated means which is preloaded by superatmospheric fluid pressure when fluid flow to the patient is stopped, and which is actuated by the preloading pressure to start flow of gas to the patient in response to a negative pressure created on inhalation. First and second chainbers 8, 9 in a three-part housing 1 are separated by a diaphragm 10. Gas under pressure is supplied to the housing through a hose 20 and passes via a manually-adjustable main valve 24 through first passages 12, 13, 14, 15 to a sectional inhalation hose 17 connected to a mask 18 or a mouthpiece. The first chamber 8 is connected to the mask 18 through an exhalation hose 31. Second passages 33, 34 connect the first chamber to a discharge port 35 controlled by a check valve. One, 14, of the first passages is connected with the second chamber through a third passage 42. Spring-loaded toggle mechanism 47 in the second chamber is connected with the diaphragm and controls three valves 49, 50, 51 in the first, second and third passages respectively. The outer end of one toggle arm 61 is slidable between adjustable nuts 66 on the stem 52 of the first and third valves 49, 51 and has an extension 72 which bears against the stem 54 of the second valve 50 which is spring-urged against its seat. A fixed guide and stop 68 limits the movement of the first toggle arm 61. The outer end of the other toggle arm 60 moves between stops 62 on a fixed pin 63. The first chamber has safety valves 75 opening when the negative and positive pressures, respectively, exceed predetermined amounts. A medicament vaporizer unit 78 may be provided in the inhalation hose 17. The second chamber, which is maintained at a predetermined positive pressure, may be vented through a manually-adjustable valve 81. During exhalation through the hose 31 the diaphragm and toggle mechanism are in a first position, thus opening the second and third valves 50, 51 and closing the first valve 49 so that gas is cut off from the mask 18 but flows into the second chamber to load the diaphragm, and exhaled air passes from the first chamber to atmosphere. At the commencement of inhalation, the pressure drop in the first chamber is sufficient for the diaphragm and the toggle mechanism to move to a second position so that the first valve 49 is opened and gas flows to the mask, the second and third valves 50, 51 being closed. As soon as the pressure in the lungs and the chamber 8 reaches a predetermined value, the diaphragm and the toggle mechanism are moved again into the first position for exhalation. In a modification, a single hose for exhalation and inhalation connects the mask and the first chamber 8 into which one of the first passages leads. The housing may be suspended from or connected directly to the mask.
Patent GB-465999-A (GB)
Title: Improvements in articles that are subjected to and must resist attack by solutions containing free chlorine or hypochlorous acid, its salts and solutions thereof
IPC: C22C38/28
Filed: 1936-09-16
Abstract: Containers, sieves, pipes, and other articles forming part of plant in which they are subjected to the action of solutions containing free chlorin, or hypochlorous acid and its salts and their solutions, are made from iron alloys containing 20-30 per cent of chromium, 1.8-10 per cent of molybdenum, 0,5-3,5 per cent of titanium, 0,2-3 per cent of silicon, 0,4-0,6 per cent of manganese, and up to 1,2 per cent of carbon.  The titanium may be wholly or partly replaced by one or more of the following metals which should be present in total quantity greater than that necessary to combine with all the carbon to form carbides: vanadium, tantalum, uranium, niobum, cerium, boron, zirconium, and tungsten; and there may also be present up to 3 per cent of copper.
Patent GB-1248376-A (GB)
Title: A process for the continuous production of polyamide sections of profiles by the ionic polymerisation of lactams
Inventor: REINKING KLAUS
IPC: B29C48/395
Filed: 1970-05-27
Abstract: 1,248,376. Extruding polyamides. FARBENFABRIKEN BAYER A.G. 27 May, 1970 [31 May, 1969], No. 25370/70. Heading B5A. [Also in Division C3]  A polyamide section is made continuously by feeding a solid polymerizable mixture M comprising lactam(s) L, a basic catalyst C and an activator A to a pressure-generator G which delivers M through the feed-opening F of a single-screw extruder E, under a pressure P# the dynamic pressure generated by E; M is melted and polymerized in E at above the m.p. of the polyamide which is extruded as a melt. M may be fused in G or before or after entering F. G may be a single or double screw extruder or a gear-pump. L may contain e.g. 4-11 C atoms. P may be 4-8 atmos. C may be an alkali metal alcoholate, carboxylate, borohydride, or lactamate. A may be isocyanate or lactam-isocyanate addition products.
Patent GB-367815-A (GB)
Title: Improvements in or relating to asbestos-cement compositions
IPC: C04B28/18
Filed: 1930-08-25
Abstract: Asbestos-cement slate-like products are made by adding to a mixture of asbestos and Portland cement a sufficient quantity of finely divided siliceous material to bind the calcium hydroxide contained in the cement or liberated in hydration, shaping into plates, tubes, &c. and hardening by steam under pressure. Suitable siliceous materials are quartz, quartzite, sandstone, sand, kieselguhr, granite, slags, and artificial or natural puzzuolana.  In an example, a binder comprises 20-30 parts by weight of Portland cement and 80-70 parts of puzzuolana.  The asbestos-cement composition comprises 80-85 parts of this binder and 20-15 parts of asbestos.  The Specification as open to inspection under Sect. 91 (3) (a) comprises also the use of lime, slag cement, puzzuolana cements, natural cements, and the like instead of Portland cement.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1106026-A (GB)
Title: Drive circuit for inductive load
IPC: H03K17/04
Filed: 1966-06-08
Abstract: 1,106,026. Transistor switching circuits. INTERNATIONAL BUSINESS MACHINES CORPORATION. 8 June, 1966 [9 July, 1965], No. 25432/66. Heading H3T. A drive circuit for an inductive load, e.g. the transducer of a magnetostrictive delay line, comprises switching means for switch.ng a current source alternately to the load and to an equivalent impedance. In one arrangement, Fig. 1, a voltage source 6 is connected through a resistance 8 and a large inductance 7 to one of two paths, one comprising a resistance 9 in series with a transistor 5 and the other comprising a transducer 2 and a Darlington pair 15, 16, the transducer being shunted by a resistance 17. The collector of the transistor 5 is coupled by a resistance 18 and capacitor 19 is parallel to the input of the Darlington pair. With the transistor 5 conducting, the current through the supply inductance 7 flows through the resistance 9 and transistor; when the transistor is cut off by an input signal, the Darlington pair conducts and the current flows through the transducer and the Darlington pair. The supply inductance 7 should have about ten times the inductance of the transducer. In an alternative arrangement, Fig. 2 (not shown), a supply terminal is connected through resistances (43, 46) and inductances (42, 45) to each end of a transducer (31), the ends also being connected to earth through respective resistances (41, 44) and Darlington pairs (32, 33 and 34, 35). Currents I 1  and I 2  flow through the two inductances (42 and 45) respectively, and when one of the pairs conducts I 2  flows through the transducer whilst I 1  flows directly through the conducting pair. When the states are reversed I 1  flows in the opposite direction through the transducer and I 2  flows directly through the conducting pair.
Patent GB-172395-A (GB)
Title: An improved device for sharpening double edged safety razor blades
IPC: B24D15/08
Filed: 1920-09-03
Abstract: 172,395. Preston, G. Sept. 3, 1920. Stropping - apparatus. - A razor-sharpening device in which blade supporting-bracket is reciprocated against a sharpening element, comprises a bracket J slidable on side rods C of a frame, and pivotally supporting an oscillatory blade-carrying table E and a roller O, which are geared together by friction or toothed wheels P. The roller O frictionally engages the surface of a sharpening-element F supported by end members A, B of the frame and turns the blade so that its edge always trails over the sharpening-element. The table E is provided with pins R, Q over which are located a double-edged blade S and a cover-plate T, secured in position by a milled screw U engaging a central pin Q. The device can be adapted for sharpening single-edged blades by making the table E capable of turning over instead of rocking.