baber/WOPTO huggingface dataset:
Patent GB-947754-A (GB)
Title: Improvements in sacrificial zinc coating compositions
IPC: C04B40/02
Filed: 1962-03-12
Abstract: A dry mix for incorporation into a coating composition comprises portland cement and an equal or greater amount of comminuted zinc. The mix may be added to water in which case a small amount of methyl cellulose may be present as a binder; or to organic coating compositions where the binder is linseed oil, rubber, chlorinated rubber, cyclised rubber, asphalt, rosin derivatives, cellulose derivatives, epoxy rosins, styrenebutadiene, polystyrene, polyvinyl acetate, polyvinyl chloride-polyvinyl acetate resins, chlorinated polypropylene, or coumarone resins.  The compositions may also contain calcium chloride, quaternary ammonium bentonite, iron oxide, driers and lime.  They may be applied e.g. by brushing to iron or steel plates, or galvanized metal and then heated; further paints may be applied thereto.  In examples, specified cellulose derivatives include cellulose nitrate and ethyl cellulose; solvents used include ethyl alcohol, toluene, and methyl isobutyl ketone.ALSO:A dry mix for incorporation into a coating composition comprises Portland cement and an equal or greater amount of comminuted zinc. The mix may be added to water in which case a small amount of methyl cellulose may be present as a binder; or to organic coating compositions where the binder is linseed oil, rubber, chlorinated rubber, cyclized rubber, asphalt, rosin derivatives, cellulose derivatives, epoxy resins, styrene-butadiene, polystyrene, polyvinyl acetate, polyvinyl chloride-polyvinyl acetate resins, chlorinated polypropylene, or coumarone resins. The compositions may also contain calcium chloride, quaternary ammonium bentonite, iron oxide, driers and lime.  They may be applied, e.g. by brushing to iron or steel plates, or galvanized metal and then heated; further paints may be applied thereto.ALSO:A dry mix for incorporation into a coating composition comprises Portland cement and an equal or greater amount of comminuted zinc. The mix may be added to water in which case a small amount of methyl cellulose may be present as a binder; or to organic coating compositions where the binder is linseed oil, rubber, chlorinated rubber, cyclized rubber, asphalt, rosin derivatives, cellulose derivatives, epoxy resins, styrene-butadiene, polystyrene, polyvinyl acetate, plyvinyl chloride-polyvinyl-acetate resins, chlorinated polypropylene, or coumarone resins.  The compositions may also contain calcium chloride, quaternary ammonium bentonite, iron oxide, driers and lime.  They may be applied e.g. by brushing to iron or steel plates, or galvanized metal, and then heated; further paints may be applied thereto.
Patent GB-897571-A (GB)
Title: An automatic contact printer for electrostatic reproductions
IPC: G03G15/22
Filed: 1959-03-18
Abstract: 897,571. Electrophotographic contact printing apparatus. SOENNECKEN, A., [trading as SOENNECKEN, F. [Firm of]]. March 18, 1959 [March 18, 1958], No. 9401/59. Class 98(2). An electrophotographic contact printer comprises a housing, a first entry duct for conveying the electrophotographic paper to an exposure station, which duct is provided with an electrostatic charging device, means for conveying the exposed paper to a developing tank, means for pressing the developed paper against a receiving support which is inserted into a second duct, means for separating the two papers, and an exit duct or ducts for the papers, isolating means being provided between the first duct and the exposure station and between the exposure station and the developing tank, said isolating means being movable from inoperative positions to positions which ensure the removal of the charged electrophotographic paper before exposure in one case, and which enable an electrophotographic sheet to be inserted into the developing device of the apparatus in the other case. As shown in Fig. 1, the electrophotographic paper is inserted into duct 2, charged at 19, and fed, together with an original which has been inserted into duct 3 to an exposure cylinder 14, the feed rollers 5, 6 comprising a stop 4 to ensure that the sheets are fed together in register. Isolating means in the form of a slide 49 can be lowered in front of rollers 5, 6 to guide a charged electrophotographic sheet out of the apparatus via duct 48. The exposure cylinder 14 is provided with a belt 13 and rollers 16, 17, 18 to press the sheets against the cylinder. The belt and roller assembly may be swivelled to a position below the cylinder (as shown in dotted lines) and the direction of rotation of the cylinder reversed, so that the exposure may be reflex. After separation at 29, the original emerges along duct 30 and the electrophotographic sheet passes to the developing device. A second isolating means in the form of a slide 50 can be lowered to permit an electrophotographic sheet which has been exposed externally of the apparatus to be inserted into the developing device via duct 51. The exposed sheet travels along the ribbed walls of the developing tank 32 and developer powder is thrown on to it by a bladed wheel 35. The wheel 35 may be connected to a potential opposite to that used for the initial charging at 19. A receiving support is inserted in duct 36, which may be provided with a charging device 37, and is pressed against the developed sheet by rollers 39, 40, which rollers comprise a stop to ensure that the sheets are fed together in register. The separated sheets pass out of ducts 42, 43, a heater 44 being provided to fix the image. Heaters 45, 46, 47 may be provided in the entry ducts 2, 3, 36 to dry the various sheets. An adaptor is described whereby continuous lengths of electrophotographic paper and receiving paper may be fed through the machine from supply rolls and wound up on take-up rolls.
Patent GB-828302-A (GB)
Title: Hair curling device
IPC: A45D2/18
Filed: 1956-03-26
Abstract: 828,302. Hair curlers. ANDERSON, E. D. March 26, 1956 [April 4, 1955], No. 9414/56. Class 131 A hair curler comprises a resilient spiral member capable of being uncoiled and folded longitudinally to embrace the hair, the member returning spontaneously to its spiral form when released. As shown in Figs. 2 and 3 members A having a metal core K in a synthetic plastic sheath are connected by threads or a web B and are locked in hair embracing position by clamps C, the curler being secured on the head by a net or clips and the hair being moistened with water or waving solution before or after assuming the coiled form. Modifications include a perforated synthetic plastic tube slit longitudinally to receive the hair, a resilient member D, as shown in Fig. 4, having clamps E, which may be spring-urged to embrace the hair, and coiled so that the member D is on the inside of the spiral. One of the members A may be of limp synthetic plastic or an extended metal or plastic spiral may be inserted in a curler already installed on the hair. The curler is made of synthetic plastic metal, rubber or combinations of these materials.
Patent GB-674446-A (GB)
Title: Improvements in or relating to knives
IPC: B21D37/20
Filed: 1950-04-18
Abstract: 674,446. Making knives. BISS, R. Nov. 7, 1950 [April 18, 1950], No. 9481/50. Class 83 (ii). [Also in Group VIII] A method of making a steel knife blade 10, e.g. a band-knife or cutting rule, consists in effecting localized heating of one edge of a hardenable steel strip having a thickness of from 20 to 160 thousandths of an inch and a hardness not exceeding 38 Rockwell C and quenching the edge so as to effect hardening to diminishing degrees of hardness from the edge towards the body of the blade, and subsequently grinding bevels to such an extent as to produce a blade in which the crystalline structure of the bevelled part becomes of the same type as that of the body of the blade before passing the plane of junction 15 of the body with the bevels, e.g. at the plane 13. The crystalline structure at the extreme cutting edge 16 of the bevelled part is of the same type as that of a piece of steel of the same composition hardened to between 42 and 63 Rockwell C while the body of the blade has a hardness between 60 Rockwell B and 38 Rockwell C. The knife blade may be made from plain steel or alloy steel with a carbon content of between 0.5 and 1.4 per cent. Secondary bevels 30 may be provided to remove material of insufficient elongation, i.e. in a case where the position of the planes 13, 15 is transposed to 130, 150 respectively. In one method of making the blade, a strip 10, Fig. 5, is fed between watercooled blocks 34, 35, a small part of the protruding edge 11 of the blade is heated by a flame from a burner pipe 40, and the edge is cooled and quenched by the parts 41 of the blocks which extend over the edge of the strip. If desired, quenching may be effected by jets of cooling media applied adjacent to the blocks 34, 35. The strip is then ground to produce the bevels. Preferably, the hardening is effected from the edge widthwise of the strip to a depth not exceeding four times the thickness of the strip. The feed rollers 32, 33 may be used to pre-stretch the edge of the strip to be hardened. In another method of quenching, Fig. 6 (not shown), the edge of the strip to be hardened is contacted by a cooling block which has the effect of producing a head on the edge of the strip, Fig. 8 (not shown). In a further method, both edges of a wide strip, Fig. 9 (not shown), are hardened and the strip is then cut to form two strips each having a hardened edge. In a still further modification, Fig. 7 (not shown), the strip has its edge passed between two pairs of spaced cooling blocks connected electrically.
Patent GB-732676-A (GB)
Title: Improvements in and relating to spinning mules
Inventor: CHAMBERLAIN NORMAN HENRY
IPC: D01H3/00
Filed: 1952-04-16
Abstract: 732,676. Spinning mules. T.M.M. (RESEARCH), Ltd. March 12, 1953 [April 16, 1952], No. 9538/52. Drawings to Specification. Class 120(2). In order to increase the productivity of a spinning mule in which drafting is effected by movement of the carriage on its outward run, as in a woollen mule, the carriage is moved at a substantially constant speed throughout the maj or portion of the outward run and the spindle speed is progressively increased during drafting. Slubbing may be delivered at the same rate as that at which the carriage is travelling at the beginning of the outward run, or the slubbing may be delivered at a lower rate throughout the entire outward run. A rapid acceleration at the start and a rapid deceleration at the end of a substantially constant speed carriage-run may be arranged or, if desired, no provision need be made for deceleration but shock absorbers may be employed. The period of rotation of the delivery rollers and the carraige speeds may be controlled as described in Specification 732,665 and spindle speeds are preferably controlled through an electromagnetic slip coupling regulated by pre-set voltage varying circuits, also as described in Specification 732,665. Specifications 447,309, 732,669 and 732,675 also are referred to.
Patent GB-139345-A (GB)
Title: Tracers for projectiles
IPC: F42B12/38
Filed: 1919-04-15
Abstract: 139,345. Dodge, H. C. April 15, 1919. Projectiles; projectile fuses.-Relates to tracers, that is devices for indicating the flight of projec. tiles, of the kind comprising a tubular plug mounted in the base of the projectile and containing a tracer composition at its forward or inner end, and behind this a primer pellet held forward by a frangible device which yields to the shock of discharge and allows the primer pellet to set back and strike a firing-pin. According to the invention, the tracer composition 13 is contained in a casing 12 loose in the plug B and connected to the primer pellet 14 so as to add its mass to the pellet and thereby to increase the force of its set back on discharge. The primer pellet is normally held in place by a perforated disk 17 and a plug 19 which carries a firing-pin 20, and is sealed by a disk 22 and a cup 21. When the projectile is discharged, the plug 19 is held up to a shoulder 18 in the body B of the tracer bv the pressure of the gun gases', while the cartridge 13 sets back and is ignited by the percussion cap 15 striking the firing-pin. When the projectile leaves the gun, the pressure of the gases generated by the cartridge 13 expels the plug 19 and keeps the cartridge home inside the body B.
Patent GB-892852-A (GB)
Title: Improvements in or relating to circuit arrangements for electronic selectors for usein telecommunications installations
IPC: H04Q3/00
Filed: 1959-03-19
Abstract: 892,852. Automatic-exchange systems. SIEMENS & HALSKE A. G. March 19, 1959 [April 15, 1958], No. 9613/59. Addition to 817,547. Class 40 (4). In the electronic switching arrangement of the parent Specification in which a marking on an inlet such as KP 2 , Fig. 2, is applied outlets E 2  . . . E 4  in that order of priority, and in which a marking on KP 2  is diverted via rectifiers Gl2, 3... to succeeding outlets if the outlet to which it is applied is marked busy (e.g. by contacts g 2 , g 3 ...) amplifying circuits S22, S33 are provided to compensate for the losses in the rectifiers when they are biased in the forward direction. Detailed transistor circuits for the amplifiers S22 ... and switches S2t . . . are described in which, with contact g2 in the free position, switch S2t operates relay E 2  and at the same time renders the output from S22 insufficient to overcome a standing back-bias on the rectifier Gl2, whilst with g2 in the busy condition switch S2t does not operate E 2  but the output from S22 is now such as to forwardly bias Gl2 to pass the marking on to the next stage. In a modification, Fig. 3, the amplifiers S12t . . . lie wholly between the stages and are themselves operated on by the busy contacts g1 ... in such a manner as to be blocked by a free condition and enabled by a busy condition, the latter condition shunting the marking away from switch S1 so that E 1  does not operate.
Patent GB-926697-A (GB)
Title: Improvements in electric switches
IPC: H01H71/02
Filed: 1961-03-16
Abstract: 926,697. Electrically - tripped switches. LICENTIA PATENT - VERWALTUNGSG.m.b.H. March 16, 1961 [March 16, 1960; April 14, 1960; Sept. 23, 1960], No. 9736/61. Addition to 926,200. Class 38 (5). A switch generally similar in construction to that of the parent Specification has its T-shaped base assembly comprised of two parts, each of generally L-shaped cross-section and arranged back-to-back .to form the partition and base, Fig. 10 (not shown). The partition may have cavities to accommodate part of the switch mechanism which may be further supported by abutments formed on the groove Fig. 11 (not shown). In a modification, the L-shaped parts 1, 2 have recesses forming a chamber 7 containing the operating mechanism which comprises a rocking lever 9 having a slot engageable by the pin 12 of a pivoted dolly lever 11, one end of the lever 9 being hinged to a slide 13 and the other end being engageable with the pawl arm 15 of a bell-crank lever pivoted at 14. The horizontal arm of this lever has a projection 37 and is engageable with a rod 28 operable by the plunger 27 of a trip coil 8, and with a rod 29 operable through an adjusting screw 41 by a bi-metal strip 26. The slide 13 acts on the central limb 17 of a pivoted E-shaped bridge, whose outer limbs extend into the arc chambers 5, 6 and carry contacts cooperating with fixed contacts 21 biased by springs 25, a spring 18 acting on the bridge in the contact opening direction. The parts 1, 2 have projections 32, 33 carrying arc-quenching plates 31, the end plate of each stack being formed by one arm of a U-shaped metal member 34. The lever 11, the bell-crank lever and the plunger 27 have return springs 38, 39, 40. To close the switch the lever 11 is rotated clockwise firstly engaging lever 9 with the pawl 15 and then rotating the lever 9 to close the contacts, movement of the pin 12 in the slot latching the lever 11 in the " on " position. Upon short-circuit plunger 27 moves the bellcrank lever clockwise to unlatch members 9, 15, the projection 37 engaging the limb 17 to separate the contacts and members 9, 13 being restored by the spring 18. Upon overload the strip 26 moves the bell-crank lever to unlatch members 9, 15 and allow the spring 18 to open the contacts. In a further modification, Fig. 7 (not shown), the chamber containing the operating mechanism is completely closed off from the arc chambers. In another modification, Figs. 8 and 9 (not shown), the trip coil is housed in a chamber situated below the switch base and the partition engages a groove in the cover for securing thereto. Each arc chamber contains a rectilinearly-movable contact bridging a pair of fixed contacts. Parts 1 and 2 may be moulded by pressing perpendicularly to their plane of division, ie. in the direction of the least dimension, and may be secured together or held in place by the cover.
Patent GB-1121254-A (GB)
Title: Tension indicator and controller apparatus
IPC: B65H23/04
Filed: 1967-03-01
Abstract: 1,121,254. Acoustic measurement of physical properties. E. I. DU PONT DE NEMOURS & CO. 1 March, 1967 [9 March, 1966], No. 9765/67. Heading H4D. [Also in Division G3] The tension of a web 3 being spooled at 12 is determined from its resonant frequency of vibration, vibrations being maintained by loud-speaker 2, microphone 4 and amplifier 1. A voltage representing the resonant frequency is obtained from frequency meter 6 (calibrated in both frequency and tension) and when a desired tension has been set manually by adjustment of the relative rotation rates of spools 10, 12, this voltage is compared in unit 7 with a reference voltage and an error signal thus derived actuates a pneumatic, hydraulic or electrical servo system 8, 9 to maintain the desired tension. Details are given of two methods for determining at which harmonic of the fundamental frequency the web vibrates.
Patent GB-243225-A (GB)
Title: Improvements in motor vehicles for running on snow or ice
IPC: B62D57/036
Filed: 1925-04-15
Abstract: 243,225. Alexander, A. E., (Snow-Motors, Inc.). April 15, 1925. Propelling by means other than adhesion driving-wheels and racks; couplings. - A chassis adapted to support a tractor or motor car comprises lateral drums 7 with helical blades 8, a frame 1, 2, a driving and steering gear box 30, and, in the case of a tractor, shown in Fig. 9, draught gear. The tractor T is supported pivotally at the front on a cross-bar 2 and at the rear by brackets 122 bolted to the differential casing W. A shaft 36, Fig. 5, is coupled to the driving shaft of the tractor and drives countershafts 55, 56. through clutches c, c<1>, and toothed wheels. The drums are driven by chains passing over sprockets 65. A trailer may be coupled to a block 170 sliding on a flange bolted to a plate 162. The chassis and the body of an ordinary car may be attached, in place of a tractor, by means of brackets on the frame 1, 2, engaging the ends of the sus pension springe.
Patent GB-989480-A (GB)
Title: Improvements in or relating to the jointing of electric cables or conduits therefor
Inventor: RICE STANLEY FREDERICK
IPC: H02G3/06
Filed: 1964-03-09
Abstract: 989,480. Insulating cable joints. RICESMYTHE INVESTMENTS Ltd. March 9, 1964, No. 9827/64. Heading H2E. In making a joint between two cables the cores of the cables are joined within a box 7 and sheaths 2 (or conduits for the cable) are sealed to the box through a structure which includes tubular members 4 at the ends of the sheaths secured thereto by organic adhesive. As shown the sheath is corrugated and provided with anti-corrosive material 3. A sealing ring as disclosed in Specification 234,863 is held in position between the member 4 and box 7 by a coupling member 16 secured by a split ring 17. A split ring 18 positionable in any of grooves 19 limits the movement of member 4. In a first alternative arrangement the members 4 and 16 engage directly by screw-threading (Fig. 2, not shown), and in a second alternative the box 7 engages the member 4 directly by screw threading, organic adhesive being disposed between the threads (Fig. 3, not shown). The members 4 (and box 7 if necessary) may be of split construction, may have engagement spigots, and may be of metal or insulating material. The members 4 may be attached away from the site of the joint.
Patent GB-360333-A (GB)
Title: Improvements in or relating to safety cut-off gas cocks
Filed: 1931-04-01
Abstract: 360,333. Safety cut-off valves. LINDSKOUG, B. E., 7, Fredsgatan, Halsingborg, Sweden. April 1, 1931, No. 9868. Convention date, April 1, 1930. [Class 135.] A thermally-actuated safety cut-off valve for gas burners comprises a cylindrical air vessel 7 arranged within the burner 6 and provided with a flexible wall 8 carrying an adjustable pin 9 adapted to actuate a pivoted catch lever 11. The lever 11 which is held in contact with the pin 9 by a light spring 13 is pivoted at 12 to the burner tube 5 and is formed at its free end with an upwardly open hook adapted to engage a roller on an arm 20. The arm 20 is rotatably mounted on an extension of the cock plug and is acted on by a spring 23 anchored at 24. When the arm 20 is released, it is rotated by the spring and by engagement with an upstanding part 27 on an arm 26 secured to the plug rotates the latter to its closed position.
Patent GB-750546-A (GB)
Title: Improvements in or relating to apparatus for preventing churning and aeration of liquids in a hydraulic system
Inventor: FLICK FRANCIS S
IPC: F15B21/047
Filed: 1954-04-05
Abstract: 750,546. Hydraulic systems; tanks. MILLER FLUID POWER CO. April 5, 1954, No. 9883/54. Drawings to Specification. Classes 69 (1) and 69 (2). To prevent churning and aeration of the liquid in a hydraulic system which includes a tank, a baffle is provided which is spaced from the adjacent tank inlet end wall a distance of approximately a quarter of the diameter of the inlet, and the marginal edges of the baffle are this same distance from the side walls of the tank. The sytem may comprise two hydraulic tanks which are alternately connected one to a source of gaseous pressure and the other to exhaust, the liquid and gas inlets of both tanks being provided with baffles. Alternatively the system may have a single tank into which liquid is admitted through an inlet and associated baffle and from which liquid is withdrawn by a pump.
Patent GB-1225026-A (GB)
Title: Improvements in or relating to shoe upper conforming machines
Inventor: HEAL JEREMY CARLTON
IPC: A43D21/12
Filed: 1968-02-16
Abstract: 1,225,026. Boots &c. BRITISH UNITED SHOE MACHINERY CO. Ltd. 14 Feb., 1969 [16 Feb., 1968], No. 9888/70. Divided out of 1,225,021. Heading A3B. The subject matter of this Specification forms part of that described in Specification 1,225,021 but the claims relate to a machine for lasting the joint region of a shoe having grippers on opposite sides of the shoe, the machine including means for detecting if the shoe is a left or right shoe and for causing the pull of the gripper at the outside of the shoe to be limited.
Patent GB-1213103-A (GB)
Title: Titration apparatus
IPC: G01N31/16
Filed: 1969-02-25
Abstract: 1,213,103. Titration apparatus. H. J. HEYL and E. HEYL [trading as GEB. HEYL K.G. GES. FUR ANALYSENTECHNIK], 25 Feb., 1969 [26 Feb., 1968], No. 9918/69. Heading B1X. A titration apparatus comprises in combination a graduated titration vessel 1 having a closing plug or stopper 2 containing a conically tapered bore 12 and a graduated pipette 4 connected to vessel 1, pipette 4 having a conical drop outlet or delivery pipe which is engaged in the bore 12 of plug 2. The stopper 2 may be made of rubber and may have an escape vent 22 to allow any escaped gas in the course of a titration to be removed. During a titration the syringe, plug and titration vessel are securely connected to one another so that the whole apparatus can be held with one hand. The pipette 4 may be in the form of a syringe. There is a reference to determination of water hardness.