baber/WOPTO huggingface dataset:
Patent GB-509378-A (GB)
Title: Improvements in reinforcing inserts for concrete structures and in processes for producing them
IPC: C21D7/10
Filed: 1938-10-26
Abstract: 509,378. Reinforcements for concrete. HOFFMANN, E. Oct. 26, 1938, Nos. 30970, 30971 and 30972. Convention dates, Oct. 28, 1937, Nov. 23, 1937, and Jan. 27, 1938. [Class 20 (iv)] [Also in Group XXII] In a process for producing reinforcement bars for concrete, a round bar is cold rolled to flatten the section, as shown in Fig. 2, and simultaneously form notches 2 in the flat sides inclined to the axis of the bar. The rolling operation is preferably performed between profiled rolls which exercise a kneading action and increase the strength of the bar, particularly at the points A. The strength at the parts B may be further increased by twisting the bar, with or without stretching, and the notches 2 on opposite sides of the bar may cross each other and be directed approximately perpendicular to the helix, as shown in Fig. 3c, or directed approximately parallel to the helix, as shown in Fig. 3d. Alternatively, the notches may be parallel to each other on opposite sides of the bar so that after twisting the notches 21, Fig. 4, on one side are parallel to the helix and the notches 2<11> on the other side are perpendicular to the helix. Two or more bars of the form shown in Fig. 2, or the twisted forms shown in Figs. 3 and 4, may be twisted together with or without stretching.
Patent GB-159993-A (GB)
Title: Improvements in or relating to means for filling hollow elastic bodies
IPC: A63B45/00
Filed: 1919-12-10
Abstract: 159,993. Gray, C. H. Dec. 10, 1919. Balls.-Apparatus for fllling rubber solution or other fluid into rubber flasks or the like for use as the cores of golf balls comprises a filling-nozzle to engage within and effect a seal with the mouth of the flask, and a divided restraining- shell of compass-like form to surround the flask and thus limit its degree of expansion under filling pressure. In Fig. 2 is shown an apparatus with two filling-nozzles 8 connected to a fluid conduit 13 by spring-closed valves 14 opened by pedal rods 17. The necks of the flasks are pushed on to the nozzles 8 and the divided restraining-shells 1, Fig. 3, are closed upon the flasks and are secured by catches 9. Fluid is admitted and the flasks are distended until restrained by the shells. The valves are closed, the shells are opened, the necks of the flasks are sealed, for example, by spring clips, and the flasks are removed from the nozzles. The apparatus may embody fewer or more restraining- shells, and the parts may be controlled individually or simultaneously.
Patent GB-1314479-A (GB)
Title: Cyclones
IPC: B04C5/04
Filed: 1971-07-01
Abstract: 1314479 Cyclone separators SIEMENS AG 1 July 1971 [31 July 1970] 30982/71 Heading B2P  In a cyclone having a substantially cylindrical portion 1 and a conical portion 4, an inlet pipe 2 to the cylindrical portion has an end constructed in the manner of a venturi nozzle, viz. with a continuously narrowing portion, followed by a portion 8 of substantially uniform cross-section which is in turn followed by a steadily widening portion 9, the portion 8 having a cross-sectional area of at most 0.05D<SP>2</SP>, D being the mean diameter of the cylindrical portion 1 of the cyclone, and at least the portions 8 and 9 being spirally curved toward the axis of the portion 1 and the portion 9 opening in a substantially tangential direction into the portion 1. The portions 8 and 9 may have a rectangular cross-section and the portion 7 may also have a rectangular cross-section or may have a circular crosssection which gradually merges into a rectangular cross-section. The cyclone may be used to separate solids from a gas or liquid, liquid from a gas or one liquid from another liquid, and may operate in a horizontal position. Two or more cyclones may be connected in parallel. Other dimensions are given.
Patent GB-1375597-A (GB)
IPC: B63B19/02
Filed: 1972-05-05
Abstract: 1375597 Bending sheet material J I GATES 5 May 1972 [21 May 1971] 31005/73 Divided out of 1375596 Heading B6J A method of bending an elongate thermoplastics element comprises positioning a portion of the element between two dies, heating the element, relatively moving the dies during continued heating, and then cooling the element. The element 12 is bent between dies 105, 142, the surfaces of the dies each being complementary to the abutting surface of the element 12 so that the element is bent without distortion of its cross-section. The element and flexible die 142 are first clamped at one end between a backup block 182 and pad 186 by clamp 181 and are engaged along their lengths. A bending assembly 140 (Figs. 11, 14) is then engaged with spindle 139 of the fixed die, the assembly having a roller 200 spring biased against the back of flexible die 142. Steam is then supplied through ducts 132, (154) to cavities 110, 150 in the dies and passes through passages 215, 151, 153 to or towards the element 12. The bending assembly 140 is then tuned by handle 213 about spindle 139 until element 12 and die 142 have reached the dotted line position of Fig. 12. A pin is then inserted in hole 188, and air is supplied to the dies to cool the element. The element is then removed. A strip may be bent into a loop around successive dies (Fig. 21) which are then moved inwardly to allow removal of the strip.
Patent GB-306189-A (GB)
Title: Improved method of and apparatus for the production of stretched diaphragms
IPC: H04R31/00
Filed: 1927-11-18
Abstract: 306,189. Gramophone Co., Ltd., Whitaker, A., Hallawell, A. M., and Buckle, G. H. Nov. 18, 1927. Sound recording and reproducing diaphragms.- Diaphragms particularly for sound recording and reproducing apparatus are stretched uniformly over their entire surface and clamped whilst stretched to the retaining rings in which the diaphragms are to remain during use. The stretching-apparatus s may include means for testing the degree of tension to which the diaphragm has been subjected. The material 8 for example thin sheet aluminium is placed between an inflatable tube 7, confined between upper and lower dies 2, 1 clamped together by swing bolts 3, and the upper die. On inflating the tube the periphery of the sheet is held by a series of projections 9 and the central part is stretched by expansion into the recessed portion 12. The parts 9 and 12 are so arranged with respect to a curved rib 10 that a substantially .balanced action takes place about this annulus thereby avoiding sliding of the metal at this point. One of the clamping rings 14 is located in a recess on the lower die and the other ring 15 is positioned above the diaphragm by aid of index marks so that clamping screws 16 may be inserted. The diaphragm is then released from the stretching dies and the surplus projecting beyond the rims is trimmed away. If the tension of the diaphragm is to be tested, the containing rings are clamped on a rubber seating 20 by arms 21 and a known fluid pressure is admitted to the chamber 19 closed by a disc 17 and packing ring 18. The amount of deflection of the diaphragm is a measure of the tension. In a modification, the projections 9 are formed on the abutting surfaces of the dies 1, 2 and the diaphragm is stretched over a curved rib on the upper die by the inflated tube. In a further modification the stretching is effected by cupping between male and female coned rings.
Patent GB-356537-A (GB)
Title: Improvements in charge heating and mixing devices for internal-combustion engines
IPC: F02M15/04
Filed: 1930-10-17
Abstract: 356,537. Vaporizers extra air admission devices. HUTCHISON, W. E., Gordon Works, Park Place, Cardiff. Oct. 17, 1930, No. 31077. [Classes 7 (ii) and 7 (iii).] A flange-shaped fitting 3; for insertion between a carburetter and induction pipe, is provided with a projection 8 which carries an electrically heated vaporizer 9. A series of radially projecting members 17 assist in vaporizing and mixing the charge. The heating element 10 may be disposed in either of the casings 8, 9. A tubular extension 18 houses an extra air valve 19 which is normally held off its seat by a spring 24 to admit air through a port 25 in the casing which registers with a groove 22 formed on the valve body, the air passing through holes 7 into the hollow interior of the valve and thence to an annular passage 5 having circumferentially disposed outlets 23; the valve closes under heavy suction, when it occupies the position shown in the Figure. The opening movement of the valve is limited by an adjustable stop 26.
Patent GB-505631-A (GB)
Title: Processes for roasting or roasting and smelting of materials containing sulphide of iron
IPC: C22B1/10
Filed: 1937-11-12
Abstract: 505,631. Treating ores. HAGLUND, T. R. Nov. 12, 1937, No. 31077. Convention date, Nov. 12, 1936. [Class 82 (i)] [Also in Group III] Materials containing sulphide or iron, e.g. mattes, flotation concentrates comprising pyrites or pyrrhotite, &c., are reacted in suspension with sulphur dioxide at a temperature above the melting point of the sulphide whereby to produce iron oxide which is collected in solid state or as a molten bath. Thus, the finely divided sulphide material may be dispersed in a stream of oxidizing gas, preferably oxygen or oxygen-enriched air, the amount of oxygen supplied being sufficient for oxidation of only part of the sulphur of the sulphide, and then in the absence of free oxygen, the sulphur dioxide formed or previously contained in the gas is reacted with the molten sulphide. Melting of the sulphide may be started by the heat of oxidation of the part of the sulphur, but the oxidizing gas and the sulphide material are preferably preheated, and the temperature may also be regulated by burning powdered coal, sulphur, carbon-monoxide, producer or fuel gas &c. When the sulphur dioxide reacting with the sulphide is produced separately outside the reaction tower, it and the sulphide material must be preheated. As more particularly described, crushed pyrites or pyrrhotite and additional combustible material are injected with the oxidizing gas into the furnace. When the iron oxide is to be collected as a molten bath, the burners are preferably directed at a right or oblique angle thereto, or at the furnace wall near to the bath. The fused iron oxide may be granulated by air, or alternatively after cooling, may be sintered. If the bath contains, say, nickel or copper sulphides, it is allowed to solidify, crushed, and subjected to flotation. If the more valuable ores contain silica, slagproducing additions e.g. quartz, lime, fluorspar may be added to the bath or to the ore, whereby the more valuable sulphides are easily separated in matte form. If the ore contains considerable amounts of sulphides of, say, copper and nickel, the roasting is adjusted so that incomplete oxidation of the iron sulphide occurs. The matte of iron, copper, nickel, &c. so formed, is crushed and subjected in the above described manner to incomplete roasting in combination with smelting. When the process is effected so that the roasted ore is collected in a pulverulent state, the roasting may be effected so that the pulverulent material contains iron sulphide; the material is then smelted for the recovery of the more valuable metals as a matte.
Patent GB-853081-A (GB)
Title: Multiple disc clutch
IPC: F16D13/52
Filed: 1958-09-29
Abstract: 853,081. Friction clutches. ALLIS-CHALMERS MANUFACTURING CO. Sept. 29, 1958 [Oct. 4, 1957], No. 31079/58. Class 80 (2). In a multiple-disc friction clutch at least one disc tapers in thickness diametrically so that upon engagement a slight wobbling of adjacent discs is produced, thereby reducing spline friction and increasing the clutch pickup capacity. Preferably a clutch incorporates an even number of tapered driving or driven discs separated from one another by interposed normal discs of uniform thickness, the tapered discs being arranged with the points of maximum and minimum thickness of successive discs displaced circumferentially through an angle of 180 degrees. The taper may be on one or both faces of a disc. In the arrangement shown the discs are normally held engaged by compression springs 53 acting on a pressure plate 59, disengagement being effected by forcing a throwout plate 57 to the left against the action of the springs. All the discs are of uniform thickness, with the exception of two, 47 and 471, which are of the tapered form.
Patent GB-908569-A (GB)
Title: Improved method and apparatus for converting lay-flat tubes into sheet form
Inventor: O'CONNELL WILLIAM RALPH
IPC: B32B27/00
Filed: 1959-09-11
Abstract: 908,569. Seaming non-metallic sheet material. B.X. PLASTICS Ltd. Dec. 12, 1960 [Sept. 11, 1959], No. 31108/59. Class 42 (1). A method of converting two flat tubular webs of flexible thermoplastic sheet material into a single folded sheet comprises feeding the two webs in superimposed relationship and forming a longitudinally-extending seam connection between the two facing layers only of the webs, the facing layer of one web being cut before the webs are superimposed to form a first longitudinally extending cut along one side of the seam connection to be formed, namely, the inner side, if the connection is at or adjacent a side edge of either web, the other web being cut along the other side of the seam to be formed, either before or after the webs are superimposed and the facing layers seamed together, unless the seam is not to be formed at or adjacent a side edge of either web in which case the second cut is made in the facing layer of the other web before the webs are superimposed and seamed. As shown, two flattened tubular webs 3<SP>1</SP> and 4<SP>1</SP> are guided to a pair of nip rollers 7 and 8 where they are superimposed. The top layer of web 3<SP>1</SP> is cut longitudinally by blade 14 co-operating with a backing-plate 15 in such a position that the cut 17 (Fig. 3) will lie on the inside of the seam 10 to be formed. A hot bead of suitable adhesive is extruded from nozzle 9 between the facing layers of the two webs at the appropriate position for the seam 10 and guide means 11, 12 of known type are provided for ensuring that the web 3<SP>1</SP> is guided in the correct position relative to the nozzle 9. Behind the nip rollers 7 and 8 a rotary crush knife 19 with a backing roller 20, is provided, to cut a narrow strip 18 (Fig. 3) from the projecting edge of the web 4<SP>1</SP> so as to leave a single folded layer of material which is wound up on roller 22. Instead of the seam being formed near the edge of the webs it may be formed near the centre in which case the cutting of the second web is effected before the seaming takes place.
Patent GB-1403543-A (GB)
Title: Complexes of bromine with a polyhydroxy compound in a glycol ether
IPC: C07C31/18
Filed: 1972-07-04
Abstract: 1403543 Bromine-polyol-glycol complexes DIVERSEY Ltd 4 July 1972 [21 July 1971] 31158/72 Heading C3R [Also in Divisions A5 and C2] The invention comprises a liquid composition of a complex of bromine with a polyhydroxy compound and a glycol ether and a liquid composition comprising the said liquid sorbed on to a granular water-soluble inorganic salt carrier in which the carrier has retained its free flowing condition. Examples of the polyhydroxy compounds are mucic acid, saccharic acid, gluconic acid, lactones of these acids and their alkali metal salts, optionally complexed with boron (e.g. sodium boroglucoheptanate). Suitable polyethers are those of the formula HO-B-(OR 1 ) n -OR, where B is ethylene or propylene, R is H or C 1-6  alkyl, R 1  is ethylene and/or propylene and n is a number from 4-500.
Patent GB-1080246-A (GB)
Title: 2-aryl-benzothiazole derivatives
Inventor: CLARK RONALD JAMES
IPC: C07D277/66
Filed: 1965-07-22
Abstract: Novel compounds of the formula <FORM:1080246/C2/1> (wherein X and Y are H, halogen, C1- 4 alkyl, alkoxy, CF3, or dimethylamino) are prepared by reacting the corresponding cyanophenyl-benzothiazoles (prepared from cyanobenzoyl chlorides or cyanobenzaldehydes and 2-amino-benzenethiols) with H2S in pyridine.  The anti-inflammatory benzothiazoles of the invention may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-662324-A (GB)
Title: Improvements in or relating to seals for joints and the joints employing said seals
IPC: F16C11/06
Filed: 1949-12-06
Abstract: 662,324. Stuffing-box substitutes. THOMPSON PRODUCTS, Inc. Dec. 6, 1949 [Aug. 4, 1949], No. 31286/49. Class 122(v) [Also in Group XXV] A universal joint seal comprises a plurality of segmental spherical annular members superimposed about a stud projecting from the joint housing, a deformable plastic gasket providing a seal between the said members and the stud, and an annular cap member superimposed on the deformable gasket and the segmented members to retain them in sealed relationship. A stud 12 rotatably and tiltably mounted in a housing 10 and projecting therefrom is embraced by the inner rim 32a of an annular metal stamping 32 of spherical contour telescoped over and slidable on a similar but larger diameter annular metal stamping 30 slidable on the rounded open end of the housing 10. A deformable plastic gasket 36 embraces the stud and is compressed between the smaller stamping 32 and an annular metal cap 34. During initial tilting of the stud 12 the smaller stamping 32 slides over the larger 30 until the stud contacts an inturned flange 30a on the inner periphery of the larger stamping which then slides over the housing 10.
Patent GB-190343-A (GB)
Title: Improvements in and relating to washing machines
IPC: D06F37/10
Filed: 1921-11-23
Abstract: 190,343. Jepson, W. Nov. 23, 1921. Washing-machines with closed or enclosed rotary receptacles.-The door of a rotary cage moving in a chamber contining water is provided with a fastening which can be adjusted to take up wear. In the preferred form of fastening, a hook I on the body of the cage is engaged by a crossbar 9, between bolts 8, on a T-piece 7 pivoted to a lever 6, which is itself pivoted to upstanding lugs 4 on the door. The fastening is adjusted by screwing the bolts 8 in the blocks 7<a>. The blocks 7<a> on the T-piece 7 bear on the overlapping edge of the 'door 5 when closed, and so press the parts tightly together. A turn button 11 engaging the lever 6 provides an additional fastening.
Patent GB-957798-A (GB)
Title: Improvements in or relating to tool holders and cutting tools therefor for use in lathes and other machine tools
Inventor: FINE LIONEL
IPC: B23B27/16
Filed: 1959-09-16
Abstract: 957,798. Tool-holders. BIRMINGHAM SMALL ARMS CO. Ltd. Sept. 16, 1960 [Sept. 16, 1959], No. 31537/59. Heading B3B. The holder body 1 of rectangular crosssection has a tapered nose in which is formed a parallel walled recess 2 to accommodate a shoe 6. A bore 3 is formed in the end wall of the recess to take the end 9 of a clamping strap member 8. A cross bore in the latter has a taper 10 engaged by a partly-screwed and correspondingly tapered pin 12 which passes through the body and draws the strap member rearwardly. Tip 7 and shoe 6 are arranged within the aperture of the strap member which is then clamped by the pin 12. A height adjustment screw 18 is provided to engage the underside of the tip.
Patent GB-955569-A (GB)
Title: Circuit arrangement for a transmission system for sound events
IPC: H04M9/00
Filed: 1961-09-01
Abstract: 955,569. Intercommunication systems. STANDARD TELEPHONES & CABLES Ltd. Sept. 1, 1961 [Sept. 2, 1960], No. 31547/61. Heading H4K. Each station is on a separate line comprising a signalling branch and a communication branch, a plurality of switch means at each station normally connecting the signalling branch of the associated line individually to the signalling branch of each of the other lines; selective operation of some of the switch means, such as S31, S31A, and L313, transfers a selected one of these connections from the signalling branch of the associated line to the communication branch thereof so as to connect this communication branch to the signalling branch of a selected line, enabling a call signal to be sent from a calling station to the station associated with the selected line (such as a spoken announcement sent from transducer SW31 to transducer SW33), and means (such as rectifiers G31, G31A &c.) are provided to prevent this call signal from being passed on to the signalling branches of the other lines which are normally connected to the signalling branch of the selected line. Battery is extended from the calling station to reduce the forward resistance of rectifier G33 at the called station but not of the corresponding rectifiers such as G32 at other stations. The two-way speech circuit is completed by operation of switches S33, S33A, and L331 at the called station SW33.
Patent GB-1006949-A (GB)
Title: Process for the preparation of a liquid hydrocarbon mixture suitable as a motor gasoline or as a blending component therefor
IPC: C10L1/06
Filed: 1962-08-16
Abstract: Liquid hydrocarbon gasoline mixtures are produced by separating a gasoline or gasoline fraction obtained from the cracking of hydrocarbon oils boiling above the gasoline range into a relatively light fraction which has a final boiling point in the range 75-95 DEG C. and a relatively heavy fraction which has an initial boiling in the range 75-95 DEG  C., separating the relatively heavy fraction at least in parts into an aromatic concentrate suitable as gasoline or a blending component therefor and a raffinate, and subjecting the relatively light fraction and/or the raffinate at least in part to catalytic hydrogenation isomerization at 200-485 DEG  C. and 10-100 atmospheres absolute in the presence of hydrogen or a hydrogen containing gas, the catalyst being a sulphide of at least one metal of the left-hand column of Group VI and/or a sulphide of one or more metals of Group VIII deposited on a solid acidic support having catalytic properties.  The separation of the relatively heavy fraction may be effected with a selective solvent e.g. a glycolic solvent, a sulpholane solvent or a paraffinic counter solvent. Catalyst supports specified are alumina and/or silica. Specifications 625,505 and 659,241 are referred to.
Patent GB-1320012-A (GB)
Title: Imaging method
IPC: G03G17/08
Filed: 1970-06-30
Abstract: 1320012 Manifold imaging XEROX CORP 30 June 1970 [1 July 1969] 31603/70 Heading G2H  In the fracture of a cohesively weak imagewise exposed electro-photosensitive layer by opening up in an electric field a sandwich comprising said layer between donor and receiver sheets, both sheets are at least partially transparent, the layer is exposed to image-wise radiation through the receiver sheet and uniform radiation through the donor sheet while an electric field is applied, the uniform radiation being applied before, at the same time as, or after the image-wise radiation. The field may be formed by the use of electrodes or application of a static charge. The polarity of the electric field may be reversed after exposure.
Patent GB-537228-A (GB)
Title: Spark plug and method of making the same
IPC: H01T21/02
Filed: 1939-12-06
Abstract: 537,228. Sparking- plugs. JACKSON, L. MELLERSH-. (Aeroflex Laborotories, Inc.) Dec. 6, 1939, No. 31642. [Class 7 (iv)] A mica-wrapped central conductor 8, tapered in either direction, fits within mica washers 15 which are compressed between a flange 6 and gland nut 5. The cable end 21 extends within the cupped top of the conductor 8 and is retained by a spring ring 26 seated between the casings 1,22.