baber/WOPTO huggingface dataset:
Patent GB-640401-A (GB)
Title: Means for picking up and transferring sheets in cylinder printing presses
IPC: B41F21/00
Filed: 1948-01-05
Abstract: 640,401. Feeding sheets. NAAMLOOZE VENNOOTSCHAP NEDERLANDSCHE SNELPERSENFABRIEK MERCEDES. Jan. 5, 1948, No. 314. Convention date, Sept. 8, 1947. [Class 100 (i)] A reciprocating sheet-carrier, e.g. for a stopcylinder printing-machine, comprises grippers on an arm mounted on a horizontal rod pivoted at its ends to two substantially vertical arms, these latter arms being pivoted at their lower ends to the main frame and one of them being reciprocated by a crank and a system of levers. As shown the driving crank 3 is connected to the arm 7 by links 4, 6 and an intermediate lever 5, and suction grippers secured to the horizontal rod 8 by a slidable clamp 14 pick up and deposit the paper at their stationary terminal positions. The lower pivot 10 of the arm 9 may be adjusted along a slot 11 in a plate 12 adjustable about its mounting point 13.
Patent GB-699026-A (GB)
Title: Improvements in and relating to the production of cellulose triesters
Inventor: STONEMAN JOHN PHILIP
IPC: C08B3/20
Filed: 1951-01-04
Abstract: In the production of cellulose triesters (particularly the triacetate) by passing a fatty acid anhydride, an esterification catalyst and an inert solvent through a static bed of cellulose under such conditions that the fibrous form of the cellulose is maintained, the cellulose is in the form of substantially flat, square or rectangular wood pulp chips having a thickness of 0.05 to 0.20 cm., preferably 0.07 to 0.12 cm., a length and breadth of not more than 9 cm., and a bulk density of from 0.3 to 0.8, preferably 0.4 to 0.5 grams per cubic centimetre.  In an example, the catalyst is a mixture of sulphuric and perchloric acids and the solvent is carbon tetrachloride.  The wood pulp chips may be pre-treated by steeping them in the fatty acid corresponding to the anhydride to be used in the esterification and then draining away excess acid. Specifications 387,533, 407,355, 412,710, 439,245, 464,843, 525,265, 699,027 and 19210/46 (as open to inspection under Sect. 91 and corresponding to French p  Specification 929,968) are referred to. The Provisional Specification refers to Specification 280,493, [Class 15 (ii)], and U.S.A.  Specification 2,087,036.
Patent GB-1218758-A (GB)
Title: Fluorine-containing acrylamides and methacrylamides
IPC: C07C215/08
Filed: 1968-01-02
Abstract: 1,218,758. Polymers of fluorine-containing acrylamides and methacrylamides.. UGINE KUHLMANN. 2 Jan., 1968 [2 Jan., 1967; 15 Sept., 1967; 7 Nov., 1967], No. 328/68. Heading C3P. [Also in Divisions B2, C2 and D1] Homopolymers and copolymers are obtained by the polymerization of fluorine-containing acrylamides or methacrylamides of the formula C n F 2n+1 -(CR 2 R 4 ) a -NR 1 -CO-CR<SP>1</SP> = CH 2 , wherein a is 2 or 4, n is 4 to 20, R<SP>1</SP> is a hydrogen atom or a methyl group, each of R 2  and R 4  is a hydrogen atom or a C 1-3  alkyl group, and R 1  is a hydrogen atom or a C 1-20  alkyl, aryl, C 3-12  cycloalkyl, C 3-10  alkenyl, C 5-12  cycloalkenyl or -(CHR 3 ) b OH radical (where b is 1 to 10 and R 3  is a hydrogen atom or a C 1-3  alkyl radical) or a -CO-CR<SP>1</SP> = CH 2  radical. The polymers may be added to other polymers, e.g. butadienestyrene and butadiene-acrylonitrile copolymers or polymers of chloroprene or acrylic elastomers, to improve their surface properties.
Patent GB-437231-A (GB)
Title: Improvements in or relating to expansion valves for refrigerators
IPC: F25B41/06
Filed: 1935-01-04
Abstract: 437,231. Expansion valves for refrigerators. BRITISH THERMOSTAT CO., Ltd., Windmill Road, Sunbury, Middlesex, and PAYNE, M., 50, Hook Road, Surbiton, Surrey. Jan. 4, 1935, No. 366. [Class 135] An expansion valve 7 for refrigerators is thermally controlled by fluid pressure acting against a static control force through the medium of a resilient metal bellows chamber 17, and the flexible walls of the chamber are utilized as an auxiliary control spring for adjusting the total static control force, an adjustable support for the fixed end 19 of the bellows being provided for adjusting the compression of the flexible walls of the bellows chamber. The valve 7 which co-operates with a seating 6 to control the amount of refrigerant entering the evaporator at 3 from an inlet 2 from the condenser, is attached to a disc 8 pressed downwardly by a spring 9. Rods 15, which slide freely in suitable guideways in the valve body 1, are fixed to the disc 8 and also to the movable wall 14 of a flexible metal bellows 12 exposed on its outer surface to the pressure in the evaporator at 3 and secured at its fixed end to a ring 13. The control bellows 17 is mounted in a housing 16 attached to the valve body 1 and sealed from the outer air to prevent " breathing. " The movable wall 18 of the bellows 17 has fixed thereto a rod 18<a> which passes through the housing 16 and bears against the wall 14, clearance being provided around the rod so that the pressures in the bellows 12 and outside the bellows 17 are equal. A flexible conduit 20 is attached to the fixed wall 19 of the bellows 17 and is connected to a sealed vessel 21 containing a volatile liquid, preferably the same as the refrigerant, and disposed in close proximity with the evaporator, the pressure changes therein caused by temperature changes being communicated to the bellows 17 and thus causing opening or closing of the valve 7. A tube 23 surrounding the connection 20 is fixed to the wall 19, and rotatable thereon is a sleeve 24 which passes through a gland 25 in the cover plate 22 of the housing 16. A cap 27 is screwed on to the plate 22 and to the outer end of the sleeve 24 and is rotated so as to adjust the compression of the flexible walls of the chamber 17. A scale 28 being provided on the cap 22 to indicate the temperature corresponding to the adjustment. Independent rotation of the sleeve 24 provides an additional adjustment intended to be carried out by an expert to set the apparatus so that it operates in accordance with the readings on the scale 28.
Patent GB-1454178-A (GB)
Title: Brake operating system
IPC: B60T7/06
Filed: 1974-01-04
Abstract: 1454178 Brake operating system DAVID BROWN TRACTORS Ltd 31 Dec 1974 [4 Jan 1974] 00370/74 Heading F2E [Also in Division B7] A brake operating system for an agricultural tractor comprises a near-side brake lever 16 and an off-side brake lever 17 which are pivotable about a common axis to abut respective pivotal arms 12, 13 for respective operation of multidisc brakes on the near-side and off-side rear wheels, for field steering, a master lever 18 pivotable about the common axis may be temporarily locked with levers 16, 17 by a pivotable latch 21 carried by lever 16 whereby a pivotally mounted cross-bar 33 carried by the master lever 18 will pivot both arms 13, 14 with an equalizing action when all three levers 16, 17, 18 are temporarily locked together and either lever 16, 17 is operated, for road braking. As shown, the arm 12 is secured to a shaft 10 which embodies a pair of lugs (not shown) connected by a linkage to the near-side brake. The other arm 13 is pivotable on the shaft 10 and has a forked arm 15 operatively connected to the off-side brake. The levers 16, 17 carry respective foot pedals 19, 20, and formed integrally thereon are respective abutments 24, 25 for pivoting the adjacent arm 12, 13 after taking up an initial clearance "x". A pivot 32 for the cross-bar 33 is carried by the lever 18 and extends parallel to adjacent portions 27, 28 of the two arms 12, 13. Studs 34 screwed into the ends of cross-bar 33 provide points of contact between the cross-bar 33 and the portions 27, 28. Three return springs 36, 37, 38 are provided for lever 16, lever 17 and auxiliary arm 15, and a further return spring (not shown) is provided for the shaft 10. In field operation, with the latch 21 in its inoperative position, foot pedels 19, 20 are operable individually to brake one or other of the tractor's rear wheels for steering purposes. On the road the levers 16, 17, 18 are temporarily locked together by latch 21 and operation of either pedal 19, 20 causes cross bar 33 to pivot both arms 12, 13. Further, the lever 18 is connected by a lever 29 to a stirrup 30 fixed to a rod 31 which is manually slidable to apply the brakes for parking. In a modification (not shown) the master lever 18 has a return spring. In a further modification (not shown) the shaft 10 is a dead shaft, and arm 12 is pivotable thereon and is formed with a forked auxiliary arm for connection to a near-side brake linkage.
Patent GB-412964-A (GB)
Title: Improvements in the treatment employed for curling hair used for upholstery, stuffing and like purposes
IPC: B68G3/06
Filed: 1933-01-06
Abstract: Hair and the like is curled by passing the hair into the path of one or more jets of superheated steam or inert gas.  The hair is preferably allowed to fall freely into the path of the jets, and is traversed through the chamber by such <PICT:0412964/IV/1> jets, the steam being under boiler or higher pressure.  Baffles may be provided for deflecting the hair into or through the path of the steam or gas, and the baffles may be perforated.  Air is p  preferably excluded from contact with the hair during curling. Steam enters the pipe 17 and is superheated in the chamber 5 by means of oil burners 3, the temperature being controlled by regulators 9, 10.  The steam at about 250 DEG  C. is blown into the chamber 6 into which hair is introduced through the hopper 13 provided with a baffle 14, so that the hair is relatively free from contact with the air by the time it comes into the path of the steam jet.  The curled hair is blown out through an aperture 16.  The chamber 6 may be jacketed, and waste gases from the still circulated therethrough to maintain a temperature of about 120 DEG  C.
Patent GB-914032-A (GB)
Title: A machine for the dry digging of deep ditches, in sliding, crumbly and loose earths, without causing landslips in the walls
IPC: E02F5/12
Filed: 1959-01-06
Abstract: 914,032. Earth - excavating apparatus. DOMENIGHETTI, C. Jan. 6, 1959 [Sept. 13, 1958], No. 457/59. Class 68 (1). In a machine for the dry digging of deep ditches in sliding, crumbly or loose earth necessitating backing up of the side walls of the so formed ditch means are provided for varying the distance between the leading edges of plates 17 for backing up the side walls and a digging unit 1 so that localised controlled cavitation can occur in the vicinity of the leading edges, said cavitation facilitating the advance of the plates. The referred to means may be screw units or pneumatic or hydraulic rams.
Patent GB-1087694-A (GB)
Title: Polyol esters of substituted alkanoic acids
IPC: C07D307/68
Filed: 1966-01-05
Abstract: The invention comprises compounds of formula <FORM:1087694/C2/1> wherein R1 is a hydrogen atom or a C1- 4 alkyl group, R2 is a C1- 4 alkyl group, or R1 and R2 together with the linking carbon atom form a C5- 6 cycloalkylidene group, R3 and R4 each represent a hydrogen or halogen atom or a nitro, C1- 4 alkyl, C1- 4 alkoxy or C1- 4 alkanoyl group, Y is O, S, SO2 or NH, A is a C2- 8 alkylene, 2 - butyne - 1,4 diyl, C3- 12 alkanetviyl, C4- 6 alkanetetvayl, 1 - [4 - (C1- 2 alkoxy) carbonyl - 5 - (C1- 2 alkyl) - 2 - furyl] - butane 1,2,3,4 - tetvyle or 1,2,3,4,5,6 cyclohexanehexayl group, or a group -A1-Y1-A2, A1-O-A2-O-A3- or -A1-NR5-A2-, wherein A1, A2 and A3 are C2- 4 alkylene groups, Y1 is O, S, SO2 or 1,4 piperazinediyl and R5 is a C1- 4 alkyl, cyclohexyl or phenyl group, m is the valency of A and n is an integer from 1 to 6 not greater than m, and their preparation by esterification.ALSO:Tablets and powders having anti-hypercholesteremic activity are prepared from compounds of formula <FORM:1087694/A5-A6/1> wherein R1 is a hydrogen atom or a C1-4 alkyl group, R2 is a C1-4 alkyl group or R1 and R2 together with the linking carbon atom form a C5-6 cycloalkylidene group, R3 and R4 are each a hydrogen or halogen atom or a nitro, C1-4 alkyl, C1-4 alkoxy or C1-4 alkanoyl group Y is O, S, SO2 or NH, A is a C2-8 alkylene, 2-butyne-1, 4 diyl, C3-12 alkanetriyl, C4-6 alkanetetrayl, 1-[4-C1-2 alkoxy)-carbonyl-5(C1-2 alkyl -2-furyl-] butane-1,2,3,4-tetrayl or 1,2,3,4,5,6 cyclohexanehexayl group, or a group -A1-Y1 -A21-A1-O-A2-O-A3 or -A-NR5-A2 -, wherein A1, A2 and A3 are C2-4 alkylene groups, Y1 is O,S,SO2 or 1,4 piperazinediyl and R5 is a C1-4 alkyl, cyclohexyl or phenyl group, m is the valency of A and n is an integer from 1 to 6 not greater than n.  Androsterone may be added.
Patent GB-788002-A (GB)
Title: Improvements in and relating to the electrolytic oxidation of copper
IPC: C25D11/34
Filed: 1955-01-07
Abstract: 788,002. Anodizing copper. GENERAL ELECTRIC CO. Jan. 7, 1955 [Jan. 19, 1954], No. 578/55. Addition to 761,372, [Group XXXV]. Drawings to Specification. Class 41. In a method of electrolytically applying a black oxide coating to a copper or copper-plated wire, strip or ribbon as claimed in the parent Specification, the electrolyte is caused to flow through the electrolytic units in the same direction as the direction of travel of the wire as anode and at a rate such as to maintain substantially constant the dynamic equilibrium between the rate of solution of the copper from the anode and the rate of deposition of copper oxide on the anode. The rate of flow of electrolyte is 2.2 to 40 feet per minute. Examples are given which include details of electrolyte composition, density and viscosity, wire diameter and rate of travel, e.g. up to 18 feet per minute, temperature, e.g. 95‹ to 100‹ C., and current and voltage, e.g. the impressed voltage (as distinct from the anode to electrolyte voltage) may increase from 0.4 on the first unit to 1.3 on the last of a series of twelve.
Patent GB-271001-A (GB)
Title: Improvements in devices for operating head-lights or other lights
IPC: B60Q1/068
Filed: 1927-01-10
Abstract: 271,001. Eagles, G. A., and Gower, A. W. T. Jan. 10, 1927. Vehicle and like lamps, directing.-The casing a of a vehicle, stage, or like lamp is mounted on a cradle c pivoted in a carrier frame f which is cranked at h to permit free swinging of a depending slotted cam loop e formed integrally with the cradle c. The frame f is provided with a cylindrical projection k forming a journal for a cam spindle l carrying a cam m. The projection k is surrounded by a spiral spring s one end of which is anchored to the frame f and the other to an operating sheave n fixed to the spindle and connected to a Bowden or flexible wire p. The lamp is forced into a depressed position by the spring s and is brought to a horizontal or elevated position by tension on the flexible wire p which is connected to an operating lever. A pair of operating levers, each having controllable pawls, may be pivoted side by side between two fixed notched sectors, and one lever may be provided with an inwardly pointing projection adapted to enter a hole or recess in the other lever, so that. by pressing the two levers, together, a pair of lamps may be operated simultaneously.
Patent GB-367984-A (GB)
Title: Improvements in and relating to the casting of ingots
IPC: B22D7/00
Filed: 1931-01-08
Abstract: 367,984. Casting ingots. PARSONS, LADY K., Ray, Kirkwhelpington, Northumberland, THOMPSON, V., 117, Pilgrim Street, Newcastle-on-Tyne, BEDFORD, F. G. H., Fairlawn, Wylam-on-Tyne, (Representatives of PARSONS, SIR C. A.), CARNEGIE, A. Q. and DUNCAN, H. M., Heaton Works, Newcastle-on-Tyne. Jan. 8, 1931, No. 678. [Class 83 (i).] Casting-machines ; moulds ; castings.-In casting ingots and cooling them from the bottom upwards, a stalk is cast integral with the ingot without material interference with such cooling. The mould a, which has a bottom chill hand heating burners passing through holes e as described in Specification 278,032, [Class 83 (i), Casting &c. metals], is provided with a well k is which is placed a mass of metal unless the ingot is small. The mass may take the form of a number of vertical rods fixed in a base or a hollow body m with perforations r and vertical or horizontal ribs s. In a modification instead of the well a supplementary refractory mould w, Fig. 6, is provided and metal is forced into this by applying pressure outside or reduced pressure inside. Means may be provided for indicating or limiting the rise of the metal in the mould w.
Patent GB-117465-A (GB)
Title: Improvements in Variable Speed Gears.
Inventor: BIGGLESTON HERBERT
IPC: F16H15/12
Filed: 1917-01-13
Abstract: 117,465. Biggleston, H. Jan. 13, 1917. Variable-speed friction gearing.-In variablespeed friction gearing comprising two disks a, b, Fig. 1, forced by spring pressure against opposite edges of an axially-movable disk c, which may be the driving or driven element, the disks a are supported on ball bearings o placed near their edges, and the abutments i of the bearings are guided so as not to tilt under pressure. To disengage the gearing, levers r bearing against the parts i are separated by a cam against the pressure of a .spring u. The disks a may be geared together by bevel teeth engaging a bevel wheel on the shaft m. Fig. 7 shows a modification in which two pairs of disks a, b engage the disk c. Opposite pairs are geared together by means of bevel wheels 2 mounted separately from the disks a, b. which are pressed against the disk c by springs 27. All four disks are withdrawn to disengage the gearing by rotating a cam ring 39 acting on forked levers 29 engaging pins 31 on rings 32 mounted on the spindles 4 of the disks a, b. A number of sets of the friction gearing may be combined, all the disks a being geared to one shaft and all the disks c to another shaft. A modification is described in which a shaft e, Fig. 1, drives a shaft h which is laterally displaced to a position B - - B. To vary the speed, the disk c is adjustable, or the axis of the shaft h or e is adjustable laterally. To maintain the frictional grip between the wheels and disk, means may be provided for wiping oil from the contact surfaces.
Patent GB-729961-A (GB)
Title: Apparatus for pouring fiery molten slags, e.g. blast furnace slag, on a foaming bed
IPC: C21B3/10
Filed: 1953-01-09
Abstract: 729,961. Foundry ladles. HUTTENWERK RHEINHAUSEN AKT.-GES. Jan. 9, 1953 [Jan. 11, 1952], No. 745/53. Class 82 (1). [Also in Group V] A transport ladle used for pouring molten slag on to a foaming bed having openings in its bottom foi passing foaming agent into the slag has, at its discharge side, a flat pour. ing lip on which the slag can spread in a thin film and from which it car spill over a long overflow edge on the lip. The lid is divided into two parts z, 3, tne part z situated opposite the discharge side remaining attached to the ladle during pouring, though it is hinged at 4 to aid in filling. The part 3 is connected to a collar 12 fitted to the ladle beneath the part 3. The pivotal axis 6 of the part 3 has, at each end, a counter-weighted lever 7, which keeps the lid closed until the tipping angle is sufficiently great to swing the lever over (see Fig. 4). The division in the lid is so placed that it lies below the level of the slag at the time of opening of the part 3 and so retains any surface scum in the ladle. In a modification (Fig. 8) the part 3 is hinged to the part 2, and opens upwardly. In this case, the collar 12 constitutes the pouring lip. Specification 680,360, [Group V], is referred to.
Patent GB-704493-A (GB)
Title: Improvements in or relating to bags
IPC: A45C9/00
Filed: 1952-01-10
Abstract: 704,493. Air cushions BRADBURY, H. A., and EVANS, E. H. July 14, 1952 [Jan. 10, 1952], No. 814/52. Class 52(4) [Also in Group XVII] A flexible bag with carrying handles g has one double wall formed by sheets of material a, b sealed at all four edges to form an air cushion inflatable through a tube e closed by a stopper f.
Patent GB-1503463-A (GB)
Title: Facade facing element comprising an open shell having a base and side walls
IPC: E04F13/08
Filed: 1976-01-09
Abstract: 1503463 Facing panels GRANGES ESSEM AB 9 Jan 1976 [14 Jan 1975] 00828/76 Heading E1B A tray shaped facing panel having outwardly projecting flanges 16, 17, 18, 19 on all sidewalls has the face of two adjacent flanges remote from the base of the tray formed with discrete protrusions 21 to space the facing from a surface being clad. The flanges without protrusions are preferably narrower than the other flanges and in a facing structure overlap the other flanges which are secured to the backing by means of pegs, screws or nails passing therethrough. Holes may be preformed in the flanges. In a vertical or inclined structure the flanges with the protrusions are placed at the top. The panels need not be rectangular parallelepipeds.
Patent GB-733240-A (GB)
Title: Improvements in or relating to tunable radio communication equipment
Inventor: DALGLEISH JAMES WHITE
IPC: H03L7/185
Filed: 1953-01-12
Abstract: 733,240. Automatic frequency control systems. PYE, Ltd. Jan. 12, 1954 [Jan. 12, 1953], No. 850/53. Class 38 (4). A transmitter or receiver oscillator 1 is locked at discrete frequencies over a wide band by beating with a stable frequency oscillator 4 in a mixer 5, whose output is fed to a high-speed electronic digital counter 6 acting as a frequency divider with means for selecting any one of a number, e.g. 1 to 100, of division factors, the divider output being fed to a discriminator 7 with output coupled to a servo-control system 8, 2 tuning the oscillator 1 to any one of a corresponding plurality of equally-spaced frequencies, depending on the division factor selected, the frequency steps being equal to the tuned frequency (10 kc/s.) of the discriminator. The frequency of the controlled oscillator 1 may previously be subdivided by a locked oscillator 3, and the controlled frequency may be multiplied in frequency before use. A phase discriminator fed from a stabilized source of frequency may replace the frequency discriminator 7. The counter may be of the type described in Specifications 717,849, [Group XL (c)].
Patent GB-342865-A (GB)
Title: Improvements in or relating to cathode radiation tubes for very high potentials
IPC: H01J5/06
Filed: 1930-01-09
Abstract: 342,865. Cathode - ray tubes. SIEMENS SCHUCKERTWERKE-AKT.-GES., Siemensstadt, Berlin. Jan. 9, 1930, No. 868. Convention date, Jan. 10, 1929. [Class 39 (i).] In a high-voltage cathode-ray tube having the voltage between the cathode and anode divided over a number of tubes in cascade, a magnetic field is arranged between consecutive tubes to deflect the positive-ion and electron streams into different paths, injurious action by positive ions, e.g. their bombardment of the cathode, being prevented. Cathode-ray tubes 1, 2, Fig. 1, inclined at 120 to each other, are connected by a tube 15 on each side of which is arranged a pole 16 of an electromagnet 19. Screens are mounted in the tube 15 and interrupt the flow of positive ions while permitting the passage of electrons through holes therein. The magnet and screens may have a potential equal to that of the intermediate hollow cylindrical electrodes 5, 6 and preferably half of that between the anode 34 and incandescent cathode 9. One electrode is preferably at zero potential. An aluminium window 8 permits the passage of rays to the exterior of the tube. A screen 12, mounted around the cathode, and solenoids 21, 22, 23 serve to concentrate the electron stream. In a modification (Fig. 4, not shown) the cathode is screened from positive ions by an additional deflecting device mounted in front thereof. Two tubes sealed by members 24, 25, Fig. 5, located in the end pieces 3, 4 may be joined through a T-piece 26 which is then heated to 500 C. and exhausted through a liquid-air trap 28 by means of an air-pump. The piece 26 is sealed off at 30. An iron member 31 is operated magnetically to destroy the partitions 24,25 and is finally positioned in the tube 32.