baber/WOPTO huggingface dataset:
Patent GB-1395577-A (GB)
Title: Telephones
IPC: H04M1/272
Filed: 1972-05-11
Abstract: 1395577 Impulse transmitters STANDARD TELEPHONES & CABLES Ltd 1 March 1973 [11 May 1972] 22131/72 Heading H4K In a substation having a push-button key block KB the digits corresponding to a "dialled" number are converted to a corresponding train of pulses by an outpulsing unit OP which stores the dialled digits in a plurality of shift registers and transfers them one by one either as a digit or as its complement to a control counter which controls the output from a pulse generator so as to produce the appropriate pulse train for each digit dialled, a capacitor C being provided which is charged from the line L1, L2 while the latter is looped and which maintains power supply to the unit OP during break impulses. The storing of the "dialled" digits and the control of the pulse generator output is effected by a block "MOS" of MOS elements or a bipolar silicon integrated circuit unit, Fig. 2 (not shown), whose output actuates a bi-stable latching relay LDR to produce the make and break impulses in the line. In a further embodiment the outpulsing unit OP is in series with the telephone transmission circuitry TRANS, Fig. 3 (not shown), and the pulse source comprises an amplitude regulated oscillator circuit, Fig. 4 (not shown).
Patent GB-771067-A (GB)
Title: Transistor oscillators
Inventor: FOUGERE GUY LLOYD
IPC: H03B5/36
Filed: 1955-07-29
Abstract: 771,067. Transistor oscillator circuits. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 19, 1955 [July 29, 1955], No. 22154/54. Class 40(6) An oscillator circuit comprises a grounded base transistor T1, the output of which is connected to the base of a grounded collector transistor T2, a piezo electric crystal X being connected in a positive feedback path between the emitter electrodes of the transistors to cause the circuit to oscillate at the series resonant frequency of the crystal. The transistors may be of the point contact or PNP or NPN junction type, the second transistor preferably having a gain of unity and being arranged to have its output impedance equal to the sum of the crystal impedance and the input impedance of the first transistor.
Patent GB-496310-A (GB)
Title: Improved ventilator
IPC: F23L17/02
Filed: 1937-08-12
Abstract: 496,310. Ventilators. JONES, A. A. W. Aug. 12, 1937, No. 22170. [Class 137] A ventilator for use on the ridge or slope of a roof, and for extracting air from a building comprises a vertical open ended base member 1 with flanges 3 secured to the roof, and having supports 5 to which are attached an intermediate member 4, and a top member 8. The member 4 is an open ended square frame the lower edge 6 of which is in the same horizontal plane as, or is below the upper edge 7 of the base member 1; and the upper edge 10 of the member 4 is spaced from the underside of the top member 8 which has a downturned rim 9. Air escapes through the spaces between members 1, 4 and 8, and extraction of air is promoted by a cross draught. The top and other parts may be made of glass so that the ventilator may act as a sky light.
Patent GB-1100404-A (GB)
Title: Improvements in or relating to the manufacture of polyols from epoxides
IPC: C08G18/48
Filed: 1965-05-25
Abstract: Polyols are produced by reacting an epoxidized ester of a natural fatty acid having the formula <FORM:1100404/C3/1> wherein R is an alkyl group with up to 10 C atoms, R1 is an alkyl or alkylol group with up to 10 C atoms or a [(CH2)xO]yH group, x and y being an integer up to 7 and from 2-21 respectively, q and r being 0 or integers up to 4 and 3, respectively, and s being an integer up to 9, is reacted with an unsubstituted monohydric or dihydric alcohol of up to 5 C atoms or with a compound of the formula (A) HO-[(CH2)nO]nH wherein n is an integer up to 5. Catalysts specified for the reaction are BF3 and its etherate.  The polyols may be reacted with polyisocyanates, possibly in the presence of polyethers, polyesters, polyoxyalkylene ethers of monohydric phenols which may have a paraalkyl substituent of up to 9 C atoms, plasticizers, fillers and dehydrating agents, to give polyurethanes, e.g. as castings and coatings.
Patent GB-1282693-A (GB)
Title: Sound absorbing cover
IPC: B41J13/00
Filed: 1970-05-08
Abstract: 1282693 Typewriters INTERNATIONAL BUSINESS MACHINES CORP 8 May 1970 [2 June 1969] 22257/70 Heading B6F A sound-deadening device for typewriters comprises a cavity member 50 which together with an enclosure 19 and a backing member 29 defines ingress and egress slots 33, 35 for paper passing around a platen 13, the cavity member 50 being sound absorbing. As shown, the cavity 50 comprises a housing enclosing members 117, 118, 119, 120 of polyurethane foam, the outer members 117, 120 comprising acoustic slot filters. Alternatively, the cavity 50 may be open and lined with sound absorbent material.
Patent GB-1520863-A (GB)
Title: Gas/liquid mass exchangers
IPC: B01J19/30
Filed: 1977-05-27
Abstract: 1520863 Gas/liquid mass exchanger POLITECHNIKA SLASKA IM WINCENTEGO PSTRWSKIEGO 27 May 1977 [12 June 1976] 22386/77 Heading B1R The column of a gas/liquid mass exchanger, e.g. a gas scrubber, comprises a series of superposed packing grids, each grid being composed of side-by-side, upwardly-extending, tubular cells, each cell being open at the top end and having at the bottom end an apertured end wall formed by converging the wall in V form to define a slot. Each alternate grid is rotated through 45‹ in relation to the other grids.
Patent GB-1476285-A (GB)
Title: Disposable absorbent articles
IPC: A61F13/49
Filed: 1975-05-23
Abstract: 1476285 Diapers UNION CARBIDE CORP 23 May 1975 [18 June 1974] 22480/75 Heading A5R [Also in Division B5] A disposable insert for a diaper comprises an absorbent pad 12 disposed between liquidimpermeable hydrophobic sheets 14, 16 each of which is provided with openings 18, openable to permit liquid flow into the pad 12 but closable to retard back flow of absorbed liquid, and with dimples 22 in a density of at least 1, e.g. 1-100/in<SP>2</SP>. The openings 18 may be punctures or, preferably, slits of length 0.03- 0.25 inch and density 30-150/in<SP>2</SP>, arranged in parallel rows with the slits in a row at an angle to or aligned with the row axis. The dimples 22 may be of diameter .025-.250 inch and cover not more than 20% of the pad area. The sheets 14, 16 may be of ethyleneethylacrylate copolymer or polyethylene and be 0.4-2.0 mils thick, and may be heat- or adhesive-sealed at 20 to enclose the pad 12. The pad 12 may comprise a non-woven wood fluff material, or a plurality of tissue paper or wadding layers which may be associated with a polymer, in powder, shred or interleaving sheet form. which forms a gel on absorption of water. Sheets of the polymer may be used in place of the tissue layers. Suitable polymers are listed and described. The assembly of slit films and pad may be embossed by a heated roller to produce the dimples, the pad being compressed beneath the dimples. The pad alone, or both the pad and the sheets may be of "hour-glass" configuration. Reference has been directed by the comptroller to Specification 1342154.
Patent GB-531809-A (GB)
Title: Improvements in and relating to pedals for cycles and the like
IPC: B62M3/08
Filed: 1939-08-03
Abstract: 531,809. Cycle pedals. PHILLIPS & CO., Ltd., J. A., and BOULSTRIDGE, T. J. Aug. 3, 1939, No. 22481. [Class 136 (ii)] In a pedal for cycles &c. the pedal bars are made of a light metal or a light metal alloy, such as that known under the Registered Trade Mark " Hiduminium," and edging strips or plates f of hard metal (e.g. steel) 'are secured on the side bars e which are formed with light metal projections k adapted to be passed through holes in depressed (e.g. downwardly inclined) parts i formed on the strips or plates f and lying below the wearing surface thereof, the projections k being then riveted over. The central horizontal parts of the plates f are also apertured to receive projections j on the side bars e. The strips f may be serrated or otherwise provided with friction surfaces.
Patent GB-837750-A (GB)
Title: Process for dyeing and printing cellulosic textile materials
IPC: C09B62/523
Filed: 1958-07-14
Abstract: Cellulosic textile materials are dyed or printed by applying a solution or paste containing a dyestuff which is free from sulphonic acid and carboxylic acid groups and which contains at least once the group <FORM:0837750/IV(c)/1> wherein R1 is a divalent hydrocarbon radical containing a straight chain of two or three carbon atoms between the nitrogen and oxygen atoms and A is the radical of a polybasic inorganic acid or an organic derivative thereof, and finally heating in the presence of an acid-binding agent. Preferably, an after-treatment in an aqueous neutral or alkaline bath is effected.  The acid-binding agent, e.g. an alkali metal hydroxide, carbonate or bicarbonate, may be applied before, simultaneously with, or after, the dyestuff.  Specified dyestuffs are of the azo, oxazine, dioxazine, triphenylmethane, anthraquinone or azaporphin series. The dyestuff solution or paste may contain the usual additives such as urea, alkyl sulphates, alginates, polyacrylates and oil-in-water emulsions.  Numerous examples are given.  The dyestuffs may be prepared by combining sulphonic acid hydroxyalkylamides of preliminary dyestuff products, i.e. of diazo or coupling components when using azo dyestuffs, to give the corresponding dyestuff sulphonic acid hydroxyalkylamide, or by producing sulphochlorides of dyestuffs, reacting these with alkanolamines and then, in either case, esterifying the resultant dyestuff sulphonic acidhydroxyalkylamides with polybasic inorganic acids. Alternatively, diazo or coupling components containing the esterified sulphonic acidhydroxyalkylamide group may be combined.  As a further alternative, the dyestuff sulphochloride may be reacted with an inorganic ester of an aminoalcohol.  Lists of suitable dyestuffs are given.
Patent GB-298743-A (GB)
Title: Improvements in corner pieces for boxes, packing cases and the like
IPC: B65D6/36
Filed: 1927-08-29
Abstract: 298,743. Burroughes & Watts, Ltd., and Hopkins, E. Aug. 29, 1927. Frame, joints, and connections.-A corner piece for securing together the adjacent sides c, d, of a box &c. and the lid or bottom b thereof, is made from a metal strip bent obliquely along the dotted lines as shown, the end portions a<1>, a<2> being secured by bolts or screws to the sides and the intermediate portion a being provided with stud or screw-threaded bore by which the lid or bottom is secured thereto by a nut or bolt.
Patent GB-1104874-A (GB)
Title: Refractory insulation
Inventor: HOFFMANN PAUL RAYMOND
IPC: F27D1/14
Filed: 1966-05-20
Abstract: 1,104,874. Furnace linings. ESSO RESEARCH & ENGINEERING CO. 20 May, 1966, No. 22662/66. Heading F4B. A method of attaching refractory insulation to a cast iron or steel tube support 10 so as to allow for differential thermal expansion comprises the steps of placing sleeves of cardboard or wax over the ends of studs 18 formed on or welded to the end plates 11, bending the studs into the L- shape shown, moulding plastic consistency refractory material 32 around the studs and sleeves and then heating the furnace to vitrify the refractory and vaporize or otherwise dispose of the sleeve. Lugs 30 may be provided for engagement with a similar tube support.
Patent GB-295053-A (GB)
Title: Apparatus for making meat tender
IPC: A22C9/00
Filed: 1928-08-04
Abstract: 295,053. Cumin, A., and Bailleuil, J. Aug. 4, 1927, [Convention date]. Meat, dressing. - A device for making meat tender consists of parallel rows of comb-like knives 8 clamped in a frame 3 which is depressed by handles on a block 1, the knives passing through guide passages in a frame 15 which is placed onthe top of the meat. The frame 3 is secured to the handle block 1 by screws 4, and the frames 3, 15 are secured together by blade springs 16 and maintained in alignment by guide rods 18. The frame 3 has inwardly projecting flanges 6- which engage lugs 6 on the comb-like knives. The knives are formed as shown in Fig. 3, and are alternately reversed, when assembled with spacing strips, so that the teeth of each comb-like knife substantially covers the spaces in the adjacent knives. The guide passages in the frame 15 are formed by cross bars which may be removable and held in position by the lower ends of the spring 16. The cross bars are preferably bevelled at the top. The frame 15 may be formed similarly to the frame 3. The knives and spacing pieces are clamped in the frame 3 by screws 12.
Patent GB-615500-A (GB)
Title: Improvements relating to windscreen wipers
IPC: B60S1/42
Filed: 1946-07-30
Abstract: 615,500. Windscreen wipers. TRICOFOLBERTH, Ltd., BAYES, C. A., and BODDY, J. July 30, 1946, Nos. 22709/46 and 6193/47. [Class 138 (i)] Means for attaching a windscreen wiper blade to its actuating arm 3, Fig. 2, comprises a cover 11 having an aperture 16 through which the end of the arm can be inserted, means for detachably securing the arm to the cover, bearing means attached to the blade, and a spindle 18 carried by the bearing means and passing through apertures in the cover, at least one of which is elongated transversely of the blade, which can thereby both tilt about the spindle axis, and swing out of alignment with the arm on meeting an obstacle. The bearing means comprises a metal U-shaped clip 10 supporting the spindle, a pad 23 of rubber or the like preventing contact between the cover and clip. The arm is secured by a projection 15 pressed into a track 13 in a ramp 12 by a spring 17, whose ends rest on the spindle, one being forked and engaging a groove 19 therein. The non-elongated aperture 20 holds the spindle loosely, and the cover is broader at the inner end; a spring bears against the cover and spindle to keep the blade and arm normally in alignment. In another form, Fig. 6, the spindle has a part 25 which passes through the elongated aperture and has a threaded end 29 screwing, by means of a notch 30, into a spring 26 coiled round a separate part 24 of the spindle fixed to the cover, the spring 26 keeping the arm and blade normally in alignment. The spindle passes through one end of the spring 27, whose other end rests on an abutment 28. A piece of rubber or the like may be fitted round the part 24 between the spring 27 and the cover, so as to engage the edge of the clip on tilting of the blade. According to the second Provisional Specification, one end of the spring 27 has a recess engaging over the spindle, the other end having a projection which enters an elongated slot in the cover.
Patent GB-1353665-A (GB)
Title: Thiocyanic acid esters and process for their preparation
IPC: C07D235/06
Filed: 1971-04-19
Abstract: 1353665 Benzimidazoles containing thiocyanato E R SQUIBB & SONS Inc 19 April 1971 [6 March 1970] 22751/71 Heading C2C Novel compounds (I) (including salts thereof) where R is H, alkyl, alkoxy, halo, NO 2 , OH, NH 2 , alkyl- and dialkyl-amino, CN or SH and Y and R 1  are H, alkyl or optionally substituted phenyl are made by reacting (II) (X<SP>1</SP> is halo ) with a thiocyanic acid salt or by reacting (V) with a cyanogen halide. Pharmaceutical preparations having antiinflammatory activity and useful in treating allergies of the eye, skin or mucosa contain I as active ingredient; administration is, e.g. topically. (I) can also be added to animal feed whereby it acts as parasiticide and rodenticide; it is especially useful against Crithidia fasciculata.
Patent GB-1332246-A (GB)
Title: Manufacture of colourless high molecular polyphenylene ethers
IPC: C08G65/48
Filed: 1971-04-19
Abstract: 1332246 Polyphenylene ethers BADISCHE ANILIN- & SODA-FABRIK AG 19 April 1971 [3 March 1970] 22786/71 Heading C3R In a process for producing colourless high molecular weight polyphenylene ethers obtained by the oxidative coupling of tri-substituted phenols of the general formula where R and R<SP>1</SP> is a chlorine or bromine atom or a C 1-2  alkyl group, optionally substituted by chlorine, bromine or cyano, in the presence of oxygen, an organic solvent and a copper/amine catalyst, the polyphenylene ethers are reacted with at least one thiol of the general formula HSR<SP>2</SP> where R<SP>2</SP> denotes a linear, branched or cyclic C 2-20  alkyl radical, -CH 2 -CH 2 -OH, -CH 2 -CH(CH 3 )OH, -CH 2 CH(C 6 H 5 )OH, -CO(C 6 H 5 ), -CH 2 COOH, -(C 6 H 4 )OH, -(C 6 H 4 )OCH 3 , -CH 2 CH 2 -NH 2  or -(C 6 H 4 )-NH 2 , at temperatures of 10-100‹ C. for at least 5 seconds. The thiol-modified polyphenylene oxides may be chemically modified at the sulphur atom, e.g. oxidation to -S = O and SO 2  groups, alkylation to sulphonium compounds, cross-linking, etherification, methylolation or saponification.
Patent GB-511327-A (GB)
Title: An improved time measuring apparatus comprising a synchronous motor and an auxiliary movement
IPC: G04C15/00
Filed: 1938-08-02
Abstract: 511,327. Electric clocks. LANDIS & GYR AKT.-GES. Aug. 2, 1938, No. 22857. Convention date, Sept. 2, 1937. [Class 139]. In a time-measuring apparatus (e.g. for driving a switch disc) having a synchronous driving motor and a spring-driven reserve movement, a separate detent relay 2 for holding and releasing the escapement 21 is of low voltage relatively to the voltage of the motor. The winding of this detent relay is in series with the exciting coil of the motor or is in parallel with a portion of said coil. The relay armature 6, 3 is attached to the end 10 of a lever 11 which is pivoted at 12 weighted at 13 and counter weighted at 14. Attached also to shaft 12 is an arm 18 moving between stops 15, 16 and a leaf spring 17 coacting with stop 19 and with a pin 20 on the balance 21 of the reserve movement. The relay bobbin is wound directly on to core 1, the latter being carried by insulation. Under normal conditions, with current flowing and the synchronous motor 25, Fig. 1 (not shown) driving the switch disc, the lever 11 is attracted counterclockwise to the position shown, the blade 17 being stressed against the stop 19 and its end arresting the stop 20 in a position in which the hairspring is still partially stressed. At current failure, or fall, armature 3 is released, arm 18 moves till it meets the still stressed blade 17 and the latter is next removed suddenly from pin 20 on to pin 16 so that the balance starts automatically owing to the stored energy in the hairspring. To avoid sticking of the balance, the lever 11 is rocked periodically to free the wheel 21 by a pin 40, Fig. 1 (not shown) on a gear wheel rotated by the synchronous motor. The reserve movement may be a pendulum movement, and a spring may replace the weight 13. The exciting coil of the motor may have tappings so that the apparatus may be used with different voltages.
Patent GB-816738-A (GB)
Title: Improvements in and relating to electrical switch, socket, or like wall boxes
IPC: H02G3/12
Filed: 1956-07-24
Abstract: 816,738. Boxes for couplings. BLACKWELL & CO. Ltd., F. C., and GRIFFIN, A. Oct. 18, 1957 [July 24, 1956], No. 22874/56. Class 38 (1). [Also in Group XXXVII] A wall box for a switch or the like has slots 6 in its sides to allow bracket lugs 7 to project laterally when inserted from the interior of box and engage behind the edges of an aperture in wall 16. Extensions 12 on the ends of lugs 7 pass through further slots 5 in the base of the box and, together with cut-away portions 13, enable the lugs to be locked in position by sideways displacement. A part of each slot 6 is formed by pressing out a lug 14. Lugs 14 are provided with threaded holes 15 to receive cover-securing screws which may extend beyond the underside of lugs 14 to hold lugs 7 against inwards movement.
Patent GB-1314131-A (GB)
Title: Catalyst system for the polymerization of conjugated diolefins
IPC: C08F4/50
Filed: 1971-04-19
Abstract: 1314131 Butadiene polymerization catalyst GOODYEAR TIRE & RUBBER CO 19 April 1971 [30 March 1970] 22904/71 Heading C3P Polymers of butadiene, or butadiene and isoprene, having at least 95% of the butadiene units in the cis-1,4 configuration are obtained by using a catalyst composition comprising (A) an organometallic compound of formula AlR 1 R 2 R 3 , RMgF, R<SP>1</SP>R<SP>11</SP>Mg, R 2 Zn or RLi where R 1  is alkyl, aryl, alkaryl, aralkyl, hydrogen or fluorine, R 2  and R 3  are alkyl, aryl, alkaryl, aralkyl or alkoxy and R, R<SP>1</SP> and R<SP>11</SP> are alkyl, aryl, alkaryl or aralkyl; (B) a nickel carboxylate, an organic complex of nickel or Ni(CO) 4 ; (C) a carboxylic acid fluoride; and (D) water, a phenol, an organic acid, an alcohol, a hydroperoxide or a peroxide. The molar ratios of the catalyst components are: (A)/(B) between 0À3/1 and 300/1; (C)/(B) between 3/1 and 1000/1; (C)/(A) between 0À3/1 and 75/1; and (C)/(D) between 2/1 and 100/1. The catalyst may be formed in situ or may be preformed, optionally in the presence of a catalytic amount of butadiene. Tne examples describe the polymerization of butadiene in benzene solution using as the catalyst components (A) triethylaluminium, (B) nickel octanoate, (C) benzoyl, acetyl or m-trifluoromethylbenzoyl fluorides, and (D) water, ethanol, tert-butyl alcohol, benzyl alcohol, tert-butyl hydroperoxide, cumyl peroxide, acetic acid or trifluoroacetic acid.
Patent GB-1436484-A (GB)
Title: Alternate action switch mechanisms
IPC: H01H13/56
Filed: 1974-05-22
Abstract: 1436484 Push-button switches ILLINOIS TOOL WORKS Inc 22 May 1974 [23 May 1973] 22915/74 Heading H1N An alternate action switch mechanism for operating switch contacts (not shown) and which can be easily converted to retractive action merely by removal of a wire cam follower, comprises a housing having an outer surface 14 with an aperture 18 therein and a projection 50 (Fig. 3) extending parallel to surface 14, an actuating member 20 mounted for movement in the aperture 18 between an initial position and a second position, spring means (38, Fig. 2, not shown) for biasing member 20 towards its initial position, the member 20 having a cam 34 associated therewith, an elongated wire cam follower 44 having a portion 44c located under the projection 50 to prevent the cam follower 44 being released from the housing during switch actuation, the major length of the cam follower being located on the exterior of the housing to be readily removable when retractive switch action is desired, a first end 44a being pivoted in the housing, and a second end 44b serving as the camfollowing portion being positioned to interact with cam 34 so that the cam follower 44 rotates under projection 50 and over the surface 14 during actuation and holds the member 20 in its second position after a first actuation in the direction from initial to second position, and releases the member 20 to its initial position after a second actuation in the same direction. As shown, the member 20 comprises a plunger and contacts the sides of aperture 18 only at surfaces 24 in order to reduce friction. Cam 34 is integral with an extension 32 of plunger 20 and comprises a conventional closed-loop slot (35, Fig. 4, not shown), the profile of which is described in detail (Figs. 5 to 8, not shown).