baber/WOPTO huggingface dataset:
Patent GB-1453581-A (GB)
Title: Automatic flow limiting valve
IPC: G05D7/01
Filed: 1975-02-21
Abstract: 1453581 Valves HEIMEIER & WEINLEIN FABRIK FUR OEL-HYDRAULIK 21 Feb 1975 [21 Feb 1974] 7286/75 Heading F2V Flow through a valve from B to A is regulated but from A to B unregulated. In the regulating direction flow passes through a restriction comprising the annular gap between a restrictor element 72 and the internal surface of a hollow piston 38 and the pressure difference across the restriction to move the piston against the bias of a spring 70 to control the degree of opening between passages 46 in the piston and passages 52 in a fixed sleeve 22. When flow is from A to B the restrictor element 72 is displaced by the flow to the position shown in dot-dash outline. In an alternative embodiment, Fig. 2 (not shown), the restrictor element comprises a disc-like member sliding on the guide pin 60 and having one or more restricting openings through it or around its periphery. In the regulating position it seats against a shoulder inside the hollow piston but in the reverse direction of flow it is displaced as in Fig. 1. In another embodiment, Fig. 3 (not shown), the screw 22 is omitted and the connection A is at right angles to the direction of movement of the piston and communicates with an annular, groove around the piston. The restrictor element is similar to that of Fig. 1. In a yet further embodiment, Fig. 4 (not shown), and generally similar to Fig. 3, the restrictor element takes the form of a hollow piston, sliding within the main hollow piston having a restrictor orifice in its head. In its non-restricting position it opens radial passages in the skirt of the main piston to permit flow to by-pass the restriction, flow passing to the connection B via an annular clearance around the skirt of the main piston.
Patent GB-1245695-A (GB)
Title: Bushing assembly machine
IPC: F16F1/38
Filed: 1969-02-11
Abstract: 1,245,695. Bushing assembly machines. GENERAL TIRE & RUBBER CO. 11 Feb., 1969 [25 March, 1968], No. 7407/69. Heading F2S. A machine (Fig. 1, not shown) for assembling a cured annular elastomeric insert 67 under radial compression between a rigid outer sleeve 63 and a rigid inner sleeve 61 consists of two relatively movable assemblies 7, 9 one of which has a permanently attached as opposed to the more usual floating, mandrel 21, which can however move relative to its associated assembly. In operation, the components of the bushing are loaded on to the nesting assembly 9, and the mandrel assembly 7 is advanced. The stop 15 forces the insert 67 into the sleeve 63 and the mandrel 21 advances through the insert until the inner sleeve 61 is gripped axially between it and the plunger 37 of the nesting assembly 9. The plunger 37 is then moved upwards relative to its assembly and effects assembly of the bushing. The plunger 37, mandrel 21-and the two assemblies are actuated by hydraulic or pneumatic rams and controlled by electric switches.
Patent GB-429394-A (GB)
Title: Improvements in and relating to lead or like holders for drawing instruments
IPC: B43L9/24
Filed: 1934-03-09
Abstract: 429,394. Pencil holders for mathematical drawing-appliances. HOLLAND, T. B., 161, Gorton Road, Reddish, Stockport, Cheshire. March 9, 1934, No. 7473. [Class 146 (iii)] [See also Group XX] A pencil-holder for a drawing- instrument comprises a tubular socket S adapted to be attached to or formed integrally with the drawing-instrument, the socket being split at its lower end C to provide a resilient grip for a lead or the like which is held within the socket, and which may be propelled by an adjusting-screw F which screws into the upper end of the socket and is arranged coaxially therewith so as to engage with the upper end of the lead or the like inserted within the socket. The socket S may be formed integrally with the leg of a compass, or may be fixed thereto by a clamping-screw.
Patent GB-166311-A (GB)
Title: Improvements in means for securing the ends of electric cables
IPC: H01R4/10
Filed: 1920-03-13
Abstract: 166,311. Woods, R. S. March 13, 1920. Couplings; junction boxes.-The ends of single, twice or multicore cables, particularly lead covered cables, are secured to a plate a having radial arms c. The plate may carry lateral arms e which may be bent around the cables by means of a suitable tool. In a modification rings or loops f are closed tightly about the cable sa as to embrace also the radial arm. The plate is adapted to be secured to a support by means of a central screw through a hole b and may be enclosed by a hollow casing suitably secured to the plate.
Patent GB-1381713-A (GB)
Title: Pressure vessels
IPC: F15B1/12
Filed: 1971-03-20
Abstract: 1381713 Accumulators DUNLOP Ltd 17 March 1972 [20 March 1971] 7538/71 Heading F1D A fluid-pressure accumulator comprises shell portions 5, 6 having mating increased diameter portions 8, 9 defining a groove 11 which receives the sealing portion 7 of a diaphragm 2, a ring 14 holding the portion 7 sealingly in the groove 11. An annular clamping member can be employed to firmly secure the portions 8, 9 together Fig. 2 (not shown).
Patent GB-541749-A (GB)
Title: Improvements in or relating to the production, softening and lubricating of textile materials
IPC: D06M13/224
Filed: 1940-04-26
Abstract: 541,749. Lubricants. KILBURN, B. E. D., (National Oil Products Co.). April 26, 1940, No. 7542. [Class 91] [Also in Groups IV and V] Lubricants for textile materials comprise a blown oil or similar substance and an unblown ester of a monohydric alcohol with a fatty or naphthenic acid having eight or more carbon atoms. The composition may be employed as such or it may be dissolved in an organic solvent or dispersed or emulsified in an aqueous medium. The composition may contain an emulsifying agent, or an alkaline substance may be added to saponify a portion of it and thus form a soap, which acts as an emulsifier. The blown oil or similar substance may be an animal or vegetable oil, fat or wax which has been partially or completely oxidized or polymerized. This constituent gives the fibres the desired tackiness. The blown oil may be olive, rapeseed, rice-bran, teaseed, corn, neatsfoot, sperm, cotton-seed, castor, lard or other fatty oil or wax, or a mixture of these. The alkyl ester constituent which imparts lubricating properties may be a methyl, ethyl, propyl, butyl, or amyl ester of stearic, oleic, palmitic, lauric, caprylic, capric, ricinoleic or linoleic acid, or of a naphthenic acid containing 8 or more carbon atoms. The compositions may contain other ingredients, e.g. oils, waxes, glycerides or glycol esters of higher fatty acids, and sulphonation or sulphation products thereof. Alkalies, carbonates, borax or triethanolamine may be added to render the composition dispersible in an aqueous medium. In examples, worsted fibres are sprayed with a mixture of methyl oleate and blown teaseed oil, or with a mixture of butyl stearate, blown rice-bran oil and blown teaseed oil. The composition may be removed from the treated fibres when desired by scouring.
Patent GB-1222397-A (GB)
Title: Process for the preparation of phenethylamine salts
IPC: C07D203/08
Filed: 1968-02-16
Abstract: 1,222,397. Phenethylamine salts; aziridine derivatives. J. R. GEIGY A.G. 16 Feb., 1968 [17 Feb., 1967], No. 7600/68. Heading C2C. [Also in Division A5] Phenethylamine salts of the general formula in which R 1 , R 2  and R 3  represent hydrogen, C 1 -C 6  alkyl groups, phenyl or a phenyl group substituted by fluorine, chlorine or bromine and/or a C 1 -C 4  alkyl group, or not more than 2 of the groups R 1 , R 2  and R 3  represent a 3- to 7- membered cycloalkyl radical, or R 2  and R 3  together represent a trimethylene or tetramethylene group; and R 4  and R 5  are hydrogen, fluorine; chlorine or bromine, an alkyl, alkoxy or alkylthio radical having 1-4 carbon atoms or a trifluoromethyl radical, and Hal is chlorine or bromine, with the proviso that one of the radicals R 1 -R 5  is other than hydrogen, are prepared by reacting an aziridine derivative of formula with hydrogen chloride or hydrogen bromide in the presence of a solvent. The aziridine derivatives used as starting material may be prepared by reacting the corresponding α,#-alkylene imines with the appropriate styrene compound in the presence of an alkali metal. The preparation of (a) N - (1<SP>1</SP> - methyl - 2<SP>1</SP>- chloroethyl)- phenylethylamine hydrochloride; (b) N - (2- chloroethyl) - # methyl - phenylethylamine hydrochloride; (c) N - (2<SP>1 </SP>- chloroethyl) - 4- chlorophenethylamine hydrochloride; (d) N- (21 - chloroethyl) - # - methyl - 4 - isopropylphenethylamine hydrochloride; (e) N - (21- chlorocyclohexyl) - phenethylamine hydro-chloride and (f) N - (21 - chloro- 2<SP>1</SP> - phenylethyl) - phenethylamine hydrochloride is described. 1- Phenyl - 2 - (N - 2<SP>1 </SP>- methyl - aziridinyl) - ethane and 1 - phenyl - 1 - methyl - 2 - (1<SP>1</SP> - aziridinyl)- ethane used as starting materials are prepared respectively by reacting propylene imine with styrene and ethylene imine with α-methyl styrene in the presence of sodium.
Patent GB-287063-A (GB)
IPC: G03C5/18
Filed: 1928-03-12
Abstract: 287,063. Kalle & Co. Akt.-Ges. March 11, 1927, [Convention date]. Addition to 280,593. Diazotype processes.-In the process described in the parent Specification, wherein neutral brown to black tints are obtained from a sensitive layer containing a diazo-compound, an azo coupling-component, and a titanium salt, the tone of the developed print is modified by treating it with a small amount of moisture, applied for example in the form of water vapour or moist air, or by wiping the print with a damp sponge. A print made from the layer described in the parent Specification and developed with gaseous ammonia becomes neutral dark brown if treated with water vapour, or blackish-brown if treated with a damp sponge. A print from a layer containing the sodium salt of 1:2: 4-diazo-naphtholsulphonic acid, dichlororesorcinol and titanium potassium oxalate after development with gaseous ammonia, may by exposure to moist air be toned to any shade from yellowish-brown through neutral brown to brownish black according to the degree of moisture and the duration of its action.
Patent GB-552970-A (GB)
Title: Head lamp construction
IPC: B60Q1/068
Filed: 1942-06-04
Abstract: 552,970. Vehicle lamps. FORD MOTOR CO., Ltd. (Ford Motor Co.). June 4, 1942, No. 7624. [Classes 75 (ii), 75 (iii) and 75 (iv)] A projector bulb consisting of a spherical lens 28 and a parabolic reflector 29 hermetically sealed at their abutting edges by a rim 30 is secured by a ferrule 37 to a spherical ring frame 16 bearing against spherical surfaces 14 coined about a centre 15 in a hemispherical housing 11 which is formed with a flange 12 spot-welded in an opening in an automobile fender 10. The frame 16 is attached by tension springs 26, 27 to ears on a ferrule 21 at the back of the housing 11, the two springs 26 exerting a greater pressure than the spring 27 so as to allow adjustment of the frame, by means of two screws 20 passing through the flange 12 and brackets 19 secured to the frame opposite the springs 26. A base plug 31 sealed in the centre of the reflector 29 and supporting filaments 33 carries terminals 32 engaged by a socket 39 connected to electric supply wires 23 passing through the ferrule 21. The filaments 33 may be replaced by a standard bulb, the unit formed by the lens and reflector being evacuated after assembly. A rim 40 detachably secured to the flange 12 to enclose the ferrule 37 is fitted with a bulls eye lens 41 and parking light bulb 43. The centre 15 lies approximately in the plane of the outer edge of the rim 40.
Patent GB-416584-A (GB)
Title: Improvements in attachments for the vertically moving warp thread carriers of gripper looms
IPC: D03C3/40
Filed: 1933-03-14
Abstract: 416,584. Pile - fabric looms. MORTIMER, B., 32, Cookridge Street, Leeds, PHELON, M. M. E., 21, Savile Park, Halifax, both in Yorkshire, (Representatives of CRABTREE, D.), and FELTON, W., 13, Young Street, Radcliffe, near Manchester. March 14, 1933, No. 7669. [Classes 142 (i) and 142 (ii).] The vertically moving warp thread carrier bars c of gripper looms are connected to operating members b of a jacquard by wires or narrow metal strips a the ends of which are bent and passed through apertures b<1>, c<1> and secured by hoops d. The free ends a<2> of the strips may be bent back over the hoops, as shown.
Patent GB-968836-A (GB)
Title: Improvements in disc brakes
Inventor: BUTLER HENRY JAMES
IPC: F16D55/224
Filed: 1960-03-04
Abstract: 968,836. Disc brakes. DUNLOP RUBBER CO. Ltd. March 6, 1961 [March 4, 1960], No. 7672/60. Heading F2E. In a disc brake in which the friction pads 12 are carried by spring 54, returned pressure plates 10, 10A pivoted on opposite sides of the disc 11 and moved inwardly by an operating lever 14 pivoted on one pressure plate and connected by a slack adjuster 17 to the other plate, friction to oppose movement of the plates about their pivots 24 is imposed and the slack adjuster comprises a reversible screw and nut mechanism which is freed from frictional engagement to provide automatic shortening movement when wear of the pads 12 takes place. Friction plates 23 pivoted on pins 24, held against the pressure plates 10, 10A by spring washers 25 on bolts 27 extending through the pressure plates and angularly located to provide a fixed clearance by fixed pins 30 engaging larger diameter holes 29 in the friction plates provide constant pad off clearance and frictional opposition to movement of the pressure plates. The slack adjuster 17 comprises a nut 32 pivoted to the plate 10 and a reversible screw 35 having a conical head 36 engaging a leaf spring 37 carried in a housing 31 pivoted on the operating lever 14. When wear has taken place on the pads 12 and the brake is released, the return spring 39 of the lever 14 will act before the spring 54, acting against the pivot friction, to release the head 36 of the screw 35 and allow the screw to run into the nut 32 to readjust the clearance to that determined by the pins 30 and holes 29. In a modification (Fig. 2, not shown) the screw 35 is connected to one plate 10 and the nut 32 is carried in the housing 31 to which it is connected by a plate clutch released to allow slack take-up when the load is removed on brake release. In other modifications the predetermined clearance is provided by clearance in the reversible screw threads or by clearance in the nut trunnion mountings.
Patent GB-1293872-A (GB)
Title: Method of computer control of rolling mills
IPC: G05B15/02
Filed: 1970-02-18
Abstract: 1293872 Rolling mills NIPPON KOKAN KK 18 Feb 1970 [21 Feb 1969] 7685/70 Heading B3M A rolling mill is controlled by a computer which is fed with a number of groups of operating schedules for the mill, the schedules being defined so that the computer can calculate reference schedules for each group in accordance with linear equations. Each reference schedule is calculated to result in a rolled product having desired properties within a given range. The parameters of the mill, such as workpiece thickness, temperature, and rolling load are controlled by the computer in response to their deviations from the corresponding values in the reference schedules. The method can be applied to the various stands of a continuous mill, or to successive passes in a reversing mill. The initial settings for the mill parameters can be updated during a rolling operation in response to the measured values of the parameters.
Patent GB-545003-A (GB)
Title: Improvements in or relating to collapsible boxes and like containers
IPC: B65D6/16
Filed: 1939-11-17
Abstract: 545,003. Knockdown boxes &c. FLEISCHER, H. C. Nov. 17, 1939, No. 7713. [Class 18] A knock-down or collapsable box or the like comprising six separate members. has the end members 5 provided with external vertical reinforcing members 7, which are not overlapped by the lateral flange 9, 10 of the top and bottom members when the box is erected, the flange engaging' directly the outer surface of the end members; the side members 3, 4 have projecting members. 6 on their outer surfaces which engage the free edges of the top and bottom members and vertical flanges 8 in the end members embrace the free edges of the side members. The members may be maintained in the erect condition during filling and before the top member is placed in position, by channelled corner blocks, resilient clips or the like which fit over the upper corners of adjacent side and end members or the entire upper edges of the side and end members may be engaged by a slotted or channelled rectangular framework. The box members may be made of plywood with metal reinforcing. members, flanges and projecting members. Strips or projections may be provided on the inner face of the end members to form with the flange channels in which the side members can slide.
Patent GB-924588-A (GB)
Title: Improvements in or relating to a - nor - steroid derivatives
Inventor: KUBOTA TOKUO
IPC: C07J9/00
Filed: 1961-03-02
Abstract: The invention comprises A-nor-cholest-3(5)-ene-1,2-dione, 11b ,17a ,21- trihydroxy-A-nor-pregn-3(5)-ene-1,2,20-trione and the 21-acetate thereof, and 17b -hydroxy-A-nor-androst-3(5)-ene-1,2-dione and the 17-propionate thereof, and a process for the preparation of A-nor-steroids having the following partial formula at ring A <FORM:0924588/IV(a)/1> by treating steroids having the following partial formula at ring A <FORM:0924588/IV(a)/2> wherein R represents <FORM:0924588/IV(a)/3> or an oxo radical when the 4(5) double bond is present, and wherein R represents an oxo radical when the 4(5) bond is saturated, with manganese dioxide.  The steroid reactant may contain substituents in other positions such as an 11- or 17-hydroxy radical or a 17-branched chain radical.  1-#x,2#x- Dihydroxycholest- 4-en- 3-one, 1#x,2#x,11b ,17a -tetrahydroxy- 21-acetoxy-pregn-4-ene- 3,20-dione, and 1#x,2#x-dihydroxy-17b -propionyloxy-androst-4-en-3-one are prepared by treating cholesta-1,4-diene-3-one, prednisolone acetate and D 1-dehydrotestosterone propionate respectively with osmium tetroxide in pyridine.
Patent GB-108840-A (GB)
Title: An Improved Method of and Means for Securing Handles or Hand Grips to the Stems or Shafts of Agricultural Tools or Implements.
Inventor: TIMMINGS THOMAS
IPC: B25G3/02
Filed: 1917-05-30
Abstract: 108,840. Timmings, T. May 30, 1917. D or stirrup and T-shaped handles for implements such as spades, forks, &c., have the stirrup or cross-bar hand-grip attached to the end of the shaft portion by means of a pin or tang having a pronged end, which is driven into a flat-ended bore in the shaft. As shown in Fig. 1, the tang c, pronged at d, projects from the ferrule b of the stirrup a, and is driven into the hole e in the shaft f, the prongs expanding into the wood to secure it. AT-end g may be secured by a pronged pin c also formed with prongs d', Fig. 2, for riveting over as shown, or by a pronged pin c having a T-head h, Fig. 5.
Patent GB-539534-A (GB)
Title: Improvements in or relating to sound recording
IPC: G11B3/60
Filed: 1940-05-01
Abstract: 539,534. Sound recording. THOMPSON, L. May 1, 1940, No. 7838. [Class 40 (ii)] Sound is recorded on a disc 24, Fig. 2, of thin aluminium or like semi-rigid material of about 0.006 inch to 0.015 inch in thickness by resting the disc on a hard surface on a turntable or on a disc over a turntable and subjecting the disc to a recording stylus 19, Fig. 4, which is lightly loaded for example to a pressure of about four ounces whereby warping of the disc is substantially avoided, a driving connection being provided between the disc and the turntable spindle for example by means of a square-shaped central hole 27 in the disc fitting over a correspondingly shaped end of the turntable spindle. The recording causes ridges 31 to be formed along the edges of the sound groove. A ring-shaped area 33 and rectangular areas 34, 35, 36 may be etched in the surface within the area of the record grooves to receive pencil markings. Pencil markings may also be made on the grooves themselves without interfering with sound reproduction therefrom. U.S.A. Specifications 2,133,596 and 2,213,936 are referred to.
Patent GB-909793-A (GB)
Title: A combined-television-channel switching circuit for vhf and uhf
IPC: H03J5/24
Filed: 1959-03-06
Abstract: 909,793. Radio receiving circuits. NURNBERGER SCHWACHSTROM - BAUCLEMENTE FABRIK G.m.b.H. March 6, 1959 [March 6, 1958], No. 7854/59. Addition to 909,125. Class 40 (5). [Also in Group XXXVI] In a television tuner which, as in the parent Specification uses the same valves for V.H.F. and U.H.F. reception inductance tuning is used in both bands. On U.H.F. the coupling between the grounded grid R.F. stage 2 and oscillator-mixer 6, which is also of the grounded-grid type, is a band-pass filter comprising preset inductors L<SP>3</SP>, L<SP>4</SP>, trimmer capacitors C<SP>3</SP>, C<SP>4</SP> and ganged tuning variometers 3, 4 (see Group XXXVI) which are ganged with a similar variometer 5 by which the oscillator circuit L<SP>6</SP>, C<SP>5</SP> is tuned. Inductor L<SP>4</SP> in inductively coupled to inductor L<SP>1</SP> feeding the cathode circuit of oscillator-mixer 6. Separate circuits, each comprising preset inductors L<SP>1</SP>3, L<SP>1</SP>4, L<SP>1</SP>5 and capacitors C<SP>1</SP>3, C<SP>1</SP>4, C<SP>1</SP>5 are provided for each of two V.H.F. bands, the variometers 3, 4, 5 remaining in circuit and being used for tuning. The cathode of the oscillator-mixer 6 on these bands is connected to a tap on inductor L<SP>1</SP>4. The variometers may alternatively be provided with a second slider which is independently operated and only brought into use on the V.H.F. bands, so that stations can be independently set up on the U.H.F. and V.H.F. bands. The switching may be performed by means of a turret construction or by pushbuttons.
Patent GB-472395-A (GB)
Title: Improvements relating to internal combustion engines
IPC: F02N99/00
Filed: 1936-03-16
Abstract: 472,395. Cylinders. RAHT, M. March 16, 1936, No. 7859. [Classes,7 (ii) and 7 (v)] The access of atmospheric air, to the interior of the cylinders when an engine is not working, is prevented by closing valves at the ends of both the inlet and the exhaust pipes. The valves, which comprise flaps 5, are operated simultaneously, either manually, through a resilient linkage and an operating handle which obscures, in its closed position, the hole for the ignition key, or electrically, through a solenoid 15 which is energized when the ignition key 11 closes contacts 12, 12<1> before it closes the normal ignition circuit contacts 13, 13<1>. Either arrangement ensures that the valves must be opened before the ignition circuit can be closed.
Patent GB-1178676-A (GB)
Title: Improvements in or relating to Mould Assemblies
Inventor: ARDERN MICHAEL DAVID
IPC: B29C45/27
Filed: 1966-02-23
Abstract: 1,178,676. Injection moulds. BRITISH UNITED SHOE MACHINERY CO. Ltd. 23 Feb., 1967 [23 Feb., 1966], No.7889/66. Heading B5A. When an injection nozzle 80 is moved away from engagement in a recess 71 in a block 69, the block 69 is moved upwardly by springs 78 thereby enlarging the cubic capacity of the sprue bore 50 and providing a space to receive any plastics material expelled from the mould cavity. The mould may be used for moulding shoe soles, the sole mould member being shown at 38.
Patent GB-708774-A (GB)
Title: Improvements in or relating to frames and sills for casement windows
IPC: E06B1/70
Filed: 1952-03-27
Abstract: 708,774. Window sills. AUSTIN, F. B. Dec. 30, 1952 [March 27, 1952], No. 7909/52. Class 20 (3) A casement window sill 4 has one or more longitudinal grooves 6 in its front surface 5, of quadrantal shape in cross-section with its uniplanar surface at right angles to the front surface of the sill. A sub-sill 9 may be secured by a tongue to a groove 10 similar to groove 6 or may be formed integrally with sill 4, which may have in its upper surface an upstanding undercut water barrier 13 acting also as a stop for the sash.