baber/WOPTO huggingface dataset:
Patent GB-1219966-A (GB)
Title: Strip processing apparatus
Inventor: LAWSON KENNETH THOMAS
IPC: B21D1/05
Filed: 1968-04-30
Abstract: 1,219,966. Straightening; tensioning; altering physical properties. HEAD WRIGHTSON & CO. Ltd. 21 July, 1969 [30 April, 1968], No. 20448/68. Headings B3E and B3V. A method of processing metal strip by stretch levelling comprises the steps of passing the strip through two sets of driven bridle rolls 1-4 and 5-8; advancing the strip at different rates to tension the strip between said sets of bridle rolls, subjecting the strip to the action of further roll means to roll and flex the strip first in one direction and then in another said roll means including at least one float roll 11 supported in a gap between two further idler rolls 9, 10 by a loop in said strip embracing said one roll such that the strip is subjected to bending stresses which in combination with the tension stresses subject the strip to plastic strain over the major part of its thickness, the ratio of thickness of the strip to the diameter of this roll not exceeding 0À04. The idler rolls 9, 10 can be separated to permit roll 11 and its surrounding loop to be passed between them during threading of the machine. In another embodiment, a set of three drag bridle rolls 11-13 and a set of four tension bridle rolls 14-17 are driven from a common gear-box and differential. Two float rolls 12, 13 are provided the roll 13 being inverted to ensure a symmetrical treatment of the strip. Back-up idler rolls 18-19 and 20-21 co-operate respectively with float rolls 12-13.
Patent GB-189489-A (GB)
Title: Improvements in or relating to bedsteads, mattresses, chairs, settees, and the like
IPC: A47C23/05
Filed: 1921-08-02
Abstract: 189,489. Vaughan, E., and Pratt, E. F. Aug. 2, 1921. Spring surfaces for mattresses &c. The fabric &c. is supported by springs bearing on a pivotally mounted member, adapted to rock about an axis which is rigidly attached to the frame of the bedstead &c. In one form, Fig. 1, members c supporting helical springs d are pivotally mounted on bars a attached to the frame b, being positioned by pins f. The arms c on each bar are preferably set in staggered relationship to those of adjacent bars. In a modification, Fig. 3, rocking members c' are mounted transversely upon each extremity of the rocking members c<2>, being retained by pins f<1>.
Patent GB-955325-A (GB)
Title: Clamping mechanism for profiles of optional section subjected to a tractive force by carriages of draw-benches in particular
IPC: B21C1/28
Filed: 1962-05-29
Abstract: 955,325. Drawing tongs and grippers. COMPAGNIE GENERALE DU DURALUMIN ET DU CUIVRE. May 29, 1962 [May 30, 1961], No. 20572/62. Heading B3P. A stock-gripping device for drawn sections comprises two opposed grippers, each consisting of a plurality of relatively thin adjacent blades which are pivotably mounted, the free ends of the blades catching on different points on the section of the material to be drawn and the blades being disengaged at the end of the drawing operation by a linkage. The device comprises two plates 7 supporting horizontal spindles 4 and 5 on each of which are mounted a plurality of blades 1, 2. The upper blades 1 fall by gravity so that their pointed free ends 3 engage the material to be drawn, the lower blades have counter-weights 6 which lift the ends 3 of the blades 2. The blades are opened at the end of the drawing operation by a linkage comprising a lever 14 pivoted at 15, a link 8 carrying an abutment 10 and sliding in a groove 12 and a similar link 9, carrying an abutment 11 and sliding in a groove 13. In a modification, the spindles 4 and 5 are mounted vertically and the blades are spring-pressed to the closed position.
Patent GB-674124-A (GB)
Title: Improvements relating to cylinder moulds for use in paper-making
IPC: D21F1/60
Filed: 1949-08-08
Abstract: 674,124. Cylinder moulds of paper-making machines. TROTMAN, W. E. K. Aug. 4, 1950 [Aug. 8, 1949; July 28, 1950], Nos. 20574/49 and 18870/50. Class 96. A cylinder mould of a paper-making machine has only one wire-cloth cover which is supported by a framework of bars 13 supported on spider-rings 12 on a shaft 11, Fig. 2, and clamped between end-rings 14. The bars 13 are in short, ridged, arcuate segments 18, Fig. 4, integral with stems 15 which have interrupted ribs 24, Fig. 2, to engage tapered peripheries 26 of the rims of the rings 12. Axial movement of the rings 12 is effected by turning a shaft 50 &c. geared to a right- and left-hand threaded screw-sleeve 45, and forces the bars 13 outwardly to tighten the covering 37 which may be of 2500 mesh per square inch. The bars 13 are resiliently mounted at 36 and are held against moving outwardly away from the rings 12 by an additional ring 32 at each end co-acting with ribs 24a. A modified expansion mechanism acting through a hollow central shaft is described. Also disclosed are a method of securing the ends of the wire-cloth to the framework and a fixed-diameter framework of a stationary mould.
Patent GB-1268542-A (GB)
Title: Electromechanical filters
Inventor: REYNOLDS ROBERT LOUIS
IPC: H03H9/56
Filed: 1969-04-23
Abstract: 1,268,542. Electromechanical filters. WESTERN ELECTRIC CO. Inc. 23 April, 1969 [24 April, 1968], No. 20679/69. Heading H3U. A filter, similar to that of Fig. 2 of co-pending Application No. 20678/69 but without the tuning inductors, is constructed to different design criteria so as to have a relatively narrow passband characteristic.
Patent GB-1603348-A (GB)
Title: Apparatus for and method of depositing adhesive strips
IPC: B29C65/18
Filed: 1978-05-19
Abstract: In an apparatus for and method of depositing adhesive strips, a ribbon including a layer of adhesive is directed along a predetermined input path. In the first two embodiments, the ribbon is engaged between a measuring roller and a driven roller responsive thereto, and fed into positioning structure. The material on which the adhesive is to be deposited is located between the positioning structure and a head, which can be heated. Separation means is provided adjacent the input path for selectively separating at least a portion of the ribbon to form adhesive strips, after which the strip of adhesive, the material and the head are engaged to effect deposition of the activated adhesive strip onto the material. In a third embodiment, the ribbon is engaged by a feed pulley and directed toward a revolving wheel rotatably interconnected with the feed pulley. The wheel, which can be heated, receives and transports the ribbon along a portion of the periphery thereof to press the activated adhesive into engagement with the adjacent material. Both the feed pulley and the wheel are mounted on a frame which is rotatably supported so that strips of adhesive can be applied in linear or curvilinear fashion. If desired, separation means can be provided between the feed pulley and the wheel for selectively separating at least a portion of the ribbon to form adhesive strips of predetermined lengths.
Patent GB-220166-A (GB)
Title: Improvements relating to electro-magnets
IPC: H01F7/16
Filed: 1923-08-15
Abstract: 220,166. Ellison, G., and Anderson, J. Aug. 15, 1923. Electromagnets.- In alternating - current electromagnets of the solenoid type, chattering of the plunger is prevented by providing a concentric enlargement on the outer end of the plunger and locating a concentric copper &c. ring a,t an intermediate position on the enlargement so that a phase difference 'between the fluxes on opposite sides of the ring is produced. In one construction, Fig. 1, the plunger a is provided with an enlarged head c into which is sunk a copper or brass ring d leaving a ring of iron at the periphery of the enlargement. A brass guide-bush k with a slotted portion entering the coil is provided. In another construction, Fig. 3, the plunger is provided with a flat head c, the ring d mounted on the fixed part b serving as a guide. In other constructions the enlarged head may be stepped to correspond with a stepped fixed part upon which the ring is mounted, or the co-operating parts may be conical with the ring located in an intermediate, position on the enlargement.
Patent GB-570386-A (GB)
Title: Improvements in and relating to traps for mice and other small animals
IPC: A01M23/30
Filed: 1943-12-11
Abstract: 570,386. Animal traps. NATIONAL PATENT CO., Ltd., and LEASK, A. L. H, Dec, 11, 1943, No. 20792. [Class 5 (i)] In traps of the .break-back type the lug 2 upstanding from the bait-plate or tread-plate 4 is formed with a stop 1 limiting the extent to which the trigger 5 may be inserted in the opening 6. Both lug and opening may be formed by striking up and bending a tongue from the lug surface.
Patent GB-1162454-A (GB)
Title: Delivery Apparatus for Web Segments to be Stacked.
IPC: B65H31/32
Filed: 1968-05-02
Abstract: 1,162,454. Delivering sheets. PAPER CONVERTING MACHINE CO. Inc. 2 May, 1968 [20 Dec., 1967], No. 20871/68. Heading B8R. A web W, Fig. 4, is folded longitudinally, cut into folded sheets by knives on a roller 21, and the sheets folded transversely by a buckling folder 24, 25, 27, the roller 25 having suction ports at 26, 26a, 26b to strip the centre of each sheet from the roller 24, and the sheets are then stripped from the roller 25 by fingers 28 engaging in grooves 29 in the roller 25, the sheets then being presented to four sides of fingers 31, 32, 33, 34, see also Fig. 6, in sets 35, 36. At one time, the set 36 engages the bottom of a stack which is formed on them, and after a predetermined number are stacked the set 35 presses on the top of the stack and a new stack is formed on the set 35. The first stack is removed by a clip 45 on a conveyer 44, and the set 36 is orbited by cams and linkages such as 68, 70, 73, 74 through paths 46, Fig. 10, to a position 47, to engage the new stack, and so on. The unengaged centre part of the top of each stack bulges upwards to engage frictionally the bottom of the next stack.
Patent GB-417481-A (GB)
Title: Improvements in or relating to the production of rubber articles from dispersions of or containing natural rubber latex
IPC: C08J5/02
Filed: 1933-07-25
Abstract: A method of modifying the properties of articles of or containing rubber produced directly from dispersions containing natural rubber latex in admixture with compounding or vulcanizing ingredients or both, comprises coating or treating the finished or unfinished articles with a thin, preferably very thin, film of substantially uncompounded natural rubber latex and coagulating this film.  The film latex may be concentrated to about 20 per cent, compounded with fillers up to 5 per cent, and softened with oil, but should be substantially free from sulphur and hydroscopic substances.  The film may be coagulated by drying at room temperatures or at temperatures up to 50 or 60 DEG  C., or by liquid or vapour coagulants with subsequent drying.  The article may be set, before application of the film, by drying or a coagulant. The film vulcanises by migration of sulphur or accelerator or both from the rubber of the article.
Patent GB-1039364-A (GB)
Title: Production of elongated semiconductor bodies
IPC: C30B15/36
Filed: 1965-05-18
Abstract: A crystalline body comprising at least two dendrites having a connecting web (Fig. 5, not shown) is pulled from a supercooled portion of a melt by rapidly immersing a similar seed into the melt such that its lower end extends below the supercooled portion until a "button" forms around the seed (Fig. 4, not shown) and then commencing crystal pulling.  In a modification, the supercooled portion is formed after immersion of the seed.  The rate of pulling may be at up to 17 mm/min until equilibrium conditions are established when it may be increased to 60 mm/min. The body may have a width of 8-10 mm in width.  The material of the body may be silicon or germanium; zinc selenide or sulphide; or the antimonide, arsenide or antimonide of aluminium, gallium or indium and may be intrinsic or n- or p-type.
Patent GB-1347601-A (GB)
Title: Arrangement for attaching a sheet of material to a bar
IPC: E04F10/02
Filed: 1972-05-05
Abstract: 1347601 Awnings CHR FABERS FABRIKER AS 5 May 1972 [6 May 1971] 21127/72 Headings E1J and E2B The ends of an awning are each clamped between a respective two-part member 6, 7 having interengaging tongues 9 and grooves 10 for gripping the awning, each member having a shape complementary to that of wedge shaped groove 2, 4 in a top or bottom bar 1, 3 in which they are located. The members 6, 7 are slid longitudinally into the grooves 2, 4. The parts 6, 7 may be separate from each other or hinged together 'by a web 8.
Patent GB-466319-A (GB)
Title: Daylight developing tank for photographic roll films
IPC: G03D13/06
Filed: 1935-11-25
Abstract: 466,319. Photographic developing apparatus. LESJAK, M., and KEHR, W. Nov. 25, 1935, No. 21128/36. Divided out of 466,276. [Class 98 (ii)] A daylight development tank 3 comprises a cassette or cartridge chamber 19 on one side from which the film is led into spiral grooves 13 in the tank, a single cover 6 closing light-tight both the tank and the cartridge chamber. The cartridge chamber 19 is furnished with a light tight disc 20 which is rotatable from the outside and has recesses 21 and detent pins to engage the pivots 22 of the cassette. Filling pieces 35 fit in dovetail grooves in the chamber and are removed to accommodate larger spools. Recesses 25 in the chamber receive the locking springs 24 or projections of the film cassettes, and a knife 26 is mounted behind the chamber 19 to sever the unrolled film 12. Specification 466,276 is referred to.
Patent GB-571380-A (GB)
Title: Improvements relating to beet lifting devices and the like
IPC: A01D25/02
Filed: 1943-12-17
Abstract: 571,380. Beet and like lifters. HUDSON, K., and HUDSON, K. E. Dec, 17, 1943, No. 21202. [Classes 6. (i). and 6 (iii)] A beet or like lifter consists of a stem A with a rounded front edge B and a cranked end C for supporting an inclined transverse blade G. The front edge H of the blade is curved or wedged-shaped, and may be case-hardened or renewable. The blade is parallel-sided and cambered. It is formed with or secured to a bracket J having openings L for bolts K which also pass through a hole D and slot F in the member A, or the slot may be in the bracket J. In a further modification, the blade G may be integral with the member A the latter being jointed to permit adjustment of blade inclination.
Patent GB-951088-A (GB)
Title: Bulky yarn
Inventor: DYER RICHARD FAIRBANKS
IPC: D02G1/16
Filed: 1960-06-17
Abstract: A composite bulky yarn is formed by feeding a core yarn and one or more excess yarns to a pneumatic device (not shown) wherein the yarns are subjected to the action of a high velocity smooth air flow free from large transverse velocity components and sudden erratic changes in direction of flow which causes the excess yarn(s) to interweave (in the form of arched loops) with the core yarn.  The rates of feed of excess yarn(s) and extraction of the composite yarn to and from the device are respectively greater and less than the rate of feed of the core yarn thereto.  The core and/or excess yarn may be twistless, pretwisted and/or aftertwisted.  The components may be continuous filament yarns of a cellulose ester, viscose, polyairylonitrile, polyamide, polyester, and/or vinyl resin.  The yarns may be solution dyed and/or pretreated with an agent e.g. mineral oil, petroleum sulphonate and small amounts of glycol ether, fatty acids, and/or amine alcohols, which produce a finished yarn in which the components do not readily separate.  Specification 818,157 is referred to.
Patent GB-675585-A (GB)
Title: Improvements in or relating to preserving rubber and to the production of antioxidants for use therein
IPC: C08K5/3437
Filed: 1949-08-17
Abstract: Quinoline derivatives are made by condensing a 2 : 2 - dialkyl - 1 : 2 - dihydroquinoline with an aralkyl halide, an indanyl halide, indene, a -methylindene or an aromatic substituted olefinic hydrocarbon with 8-12 carbon atoms and not more than two double bonds; an acidic catalyst is used in one molar proportion or more referred to the aralkylating agent.  Probably nuclear substitution occurs in one of the quinoline rings.  In the example 2 : 2 : 4-trimethyl-1 : 2-dihydroquinoline is reacted, in the presence of aluminium or zinc chloride, with indene, styrene, anethole, benzyl chloride, b -indanyl chloride, and benzene with carbon tetrachloride, the last named introducing a triphenylmethyl substituent.  Other specified reactants are 2-methyl-2 : 4-diethyl-1 : 2-dihydroquinoline, 2 - methyl - 2 : 4 - diisopropyl-1 : 2 - dihydroquinoline and the crude reaction product of aniline and acetone; benzhydryl chloride, triphenylmethyl chloride, phenethyl chloride, chloropropyl-benzene, o-, m- and p-methyl- and ethyl-styrenes, diethylstyrenes, a -methylstyrene, allylbenzene, divinylbenzenes, phenylbutadienes, a - and b -vinyl-naphthalenes and a -methylindene.  Mixtures of aralkylating agents may be used. Specification 620,314 is referred to.  The Specification as open to inspection under Sect. 91, refers generally to the reaction between 1 : 2-dihydroquinolines and aralkyl halides or aromatic-substituted olefinic hydrocarbons and their hydroxy and alkoxy derivatives. Vinylpyridine is also mentioned as a reactant.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1286341-A (GB)
Title: Sample valve for chromatographic apparatus
Inventor: KARAS EDWIN L
IPC: G01N30/20
Filed: 1970-05-04
Abstract: 1286341 Chromatography sampling valve FOXBORO CO 4 May 1970 [2 June 1969] 21434/70. Heading B1X [Also in Division F2] A sampling valve for use in chromatography comprises a slide 38 urged by a spring (48) (see Fig. 1 not shown) against seat 40. Slide 38 arid seat 40 are made of ceramic material comprising at least 80%, preferably 90-95%, alumina produced by firing the alumina together with a binder, and then lapped to an interface flatness of 1-5Á ins. Mixture to be sampled passes by lines 26, 26' and 62, 72 in seat 40 to and through sample grooves 70, 80' in slide 38. On moving slide 38 to the left so that groove 70 takes up the position previously occupied by groove 88, the sample. in groove 70 is isolated, and then swept by carrier fluid supplied to line 82 in seat 40 along lines 90, 94 and 86', through empty groove 88' (now in the position previously occupied by groove 70') and out to the chromatography column through lines 90', 94'. Meanwhile, sample mixture is continuously passing through groove 70' (now in the position previously occupied by groove 80') so that an isolated sample in groove 70' will be passed to the column when the slide is moved to the right. To prevent contamination and losses by seepage, seat 40 has channels 108, 108' which in operative conjunction with channels 112, 112', 112" in slide 38 allow carrier to flow from lines 100, 102 to lines 113, 114 and thence through the corresponding channels at injection station 56 before leaving by line 98. In this way, the interface between slide 38 and seat 40 around the sample groove at the injection stations 54, 56 is sealed by carrier. Although the embodiment shown is double acting, single acting slide valves and also rotary valves are envisaged using the same principal.
Patent GB-800181-A (GB)
Title: Improvements in and relating to counting mechanism
Inventor: OBRIST ANTHONY JACK
IPC: G06M1/276
Filed: 1954-07-22
Abstract: 800,181. Counting-apparatus. PARKINSON & COWAN, Ltd. Oct. 21, 1955 [July 22, 1954], No. 21435/54. Class 106 (1). [Also in Group XXXIX] A counter comprises at least two selector switches interconnected by transfer mechanism and associated with a read-out scanning device. The lower order switch comprises a wiper A Figs. 1 and 2, which has a lost-motion connection with its driving means. When the wiper A, moving in the forward direction, bridges the contacts " 9 " and " 0," the switch F, G is closed to energize a solenoid E, the armature C, D of which pushes the wiper A on to the contact " 0." In the same way when the wiper A is moving in the reverse direction it is quickly moved from the " 0 " contact to the "9" contact. The snap movement of the wiper may be effected magnetically by a coil.
Patent GB-398632-A (GB)
Title: Transmission clutch mechanism for motor-vehicles
IPC: B60K17/02
Filed: 1932-07-30
Abstract: 398,632. Friction clutches ; facilitating changing speed. STANDARD MOTOR CO., Ltd., GRINHAM, E. G., and TURNER, W. R., Standard Motor Works, Canley, Coventry. July 30, 1932, No. 21539. [Class 80 (ii).] A tail clutch for a motor-vehicle gear-box 11 comprises a driving member 17 having oppositely-coned internal surfaces, a pair of conical friction collars 23 co-operating therewith and threaded on a sleeve 22 splined on the driven shaft 15, and a key 24 slidable in a longitudinal keyway on the shaft 15 and having radial projections 32 passing through longitudinal slots in the sleeve 22 to engage oppositely-inclined slots 31 in the collars 23, the key being actuated by a fork 26 having a resilient or lost-motion connection with the main clutch pedal. Movement of the key causes the collars to turn relatively to the sleeve 22 in opposite directions, thus engaging or disengaging both collars. Alternatively, the slots 31 may be similarly inclined, the collars engaging oppositelyhanded threads on the sleeve 22.
Patent GB-1181473-A (GB)
Title: Production of 3,4,5-Trimethyl-1-Secondary Alkyl Benzenes.
Inventor: PETERSON ALAN H
IPC: C07C2/68
Filed: 1968-05-07
Abstract: 1,181,473. 3,4,5-Trimethyl-1-sec alkylbenzenes; 1,2,3-trimethylbenzene. MARATHON OIL CO. 7 May, 1968, No. 21577/68. Heading C5E. 3,4,5-Trimethyl-1-sec alkylbenzenes are prepared from 1,2,4-trimethylbenzene by a process comprising secondary alkylation of 1,2,4- trimethylbenzene in the presence of a strong, substantially anhydrous Friedel-Crafts catalyst and concurrent isomerization of the alkylated product. The secondary alkylation may comprise the introduction of isopropyl, isobutyl or isohexyl groups into the 1,2,4-trimethyl benzene by using either olefins or alkyl halides. The Friedel-Crafts catalyst may be AlCl 3 /HCl, AlBr 3 /HBr or BF 3  complexed with H 3 PO 4 , H 2 SO 4 , phenol or HF. An inert reaction medium such as CS 2 , fluorocarbon, paraffin or cycloparaffin may be employed for the alkylation-isomerization reaction. An example describes the preparation of 3,4,5-trimethyl-1- isopropylbenzene from 1,2,4-trimethylbenzene and isopropyl chloride in CS 2  using an AlCl 3  catalyst. The 3,4,5-trimethyl-1-sec alkylbenzene products may be dealkylated at 200-400‹ C. using SiO 2 /Al 2 O 3 , SiO 2 /B 2 O 3 , Al 2 O 3  activated with fluoride ion, or bauxite as catalyst to give 1,2,3-trimethylbenzene.
Patent GB-503001-A (GB)
Title: Back-pedalling brake for cycles
IPC: B62L5/00
Filed: 1938-07-21
Abstract: 503,001. Back - pedalling brakes for cycles. KEHOE, J. July 21, 1938, No. 21616. [Class 136 (i)] Back-pedalling mechanism for operating a rear-wheel brake comprises a trigger or catch mounted on the chain wheel and adapted to be brought into and out of action by means of a cam rigid with the chain wheel, the cam action being effected by a limited relative movement between an inner driving member and an outer 'driven member forming the chain wheel. A disc 2 rigid with the crank shaft 1 is formed with outward projections 3 which on forward driving move through gaps 31 into driving engagement with inward projections 5 on the chain wheel 4, springs 29 urging them in the reverse direction. Two spring-controlled triggers 6 are each pivoted at 7 to side plates 8, Figs. 1 and 2, bolted to the disc 2, and are provided with a lug 11 engaging an outwardly curved cam 10 fixed at 35 to the chain wheel 4, whereby, on relative movement between the disc 2 and the chain wheel 4, the trigger 6 is swung laterally so that when in the lower position it moves into and out of engagement with a rib 12 on a floating brake-operating member 13 suspended by links 16, 17 from the cycle frame. The link 16 is pivoted at 23 to a spring-controlled pull-rod 21 operating the brake 24-through a. U-shaped bracket 25.