baber/WOPTO huggingface dataset:
Patent GB-402240-A (GB)
Title: Improvements in or relating to printing cylinders for stencil printing
IPC: B41L13/04
Filed: 1932-11-02
Abstract: 402,240. Rotary duplicators. BRAUER GES., C. F., 26, Pionierstrasse, Stettin, Germany. Nov. 2, 1932, Nos. 30933 and 30934. Convention dates, Nov. 3, 1931 and March 7, 1932. [Class 100 (ii).] Stencil-printing apparatus ; inking-apparatus.-In a rotary duplicator of the kind comprising a perforated stencil carrying drum serving as an ink container, a compartment is provided under the leading end of the stencil for the purpose of collecting surplus ink. Also, a similar compartment may be provided at the trailing end, and a guard ring covering a comparatively large opening may be provided in each side wall of the drum whereby ink collecting on the side walls is retained in the drum while at the same time the amount of ink present can be observed, the cleaning out of the drum is facilitated, and access of air is allowed. As shown in Figs. 1 and 2, the cylinder comprises a D-shaped drum secured by screws 16a to the side members 12, 13 of a cylinder, the drum comprising a flat side 1, a perforated part-cylinder 2, and end walls 10, 11. Flared guard rings 20, 21 are provided covering openings 16, 17 in the walls 10, 11, these openings coinciding with openings 18, 19 in the members 12, 13. An ink cloth 4 is secured at the trailing end to pins 8 and at the leading end to a rotatable pin-bar 27, a ratchet 30 and pawl 31 being provided to hold the bar when the cloth has been stretched taut. The cloth passes through openings 7, 25 in the drum, and partitions 22 are provided to prevent escape of ink through the openings and to form compartments 23, 26 in which ink exuding from the ends of the cloth is collected. A stencil 6 is secured at 5 to the side 1 and is free at the trailing end where a leather cover flap 24 is provided. In a modification, the compartments 23, 26 are combined into one. The Specification as open to inspection under Sect. 91 comprises also the form shown in Fig. 6 (Cancelled) wherein a recess 36 receives ink squeezed from the trailing end of the cloth 4 during the operation of the machine, tubes 38 being provided to return the ink to an annular compartment 38a. A rail 37 is provided over the recess, and a leather flap 39 overlaps the end of the cloth. The stencil 6 is secured at each end by clamps 34, 35, and a gauze sheet 40 is interposed between the drum and the cloth. This subject-matter does not appear in the Specification as accepted.
Patent GB-789292-A (GB)
Title: Improvements relating to a.c. motors
IPC: H02K17/10
Filed: 1956-10-11
Abstract: 789,292. Shaded-pole induction motors. GENERAL ELECTRIC CO. Oct. 11, 1956 [Oct. 11, 1955], No. 31012/56. Drawings to Specification. Class 35. A motor has two shading coils on each pole, one on either end, selectively short-circuitable to determine the direction of rotation, and the poles are chamfered so that the air-gaps increase towards the pole tips.
Patent GB-1092777-A (GB)
Title: Series capacitor installation and load break by-pass switching and gap device therefor
IPC: H01H33/82
Filed: 1965-07-21
Abstract: 1,092,777. Protective arrangements; gas blast switches. WESTINGHOUSE ELECTRIC CORPORATION. July 21, 1965 [Aug. 18, 1964], No. 31037/65. Headings H2B and H2H. A plurality of series stabilizing capacitors in a transmission line each have a gas blast load break shunting switch which is closed on capacitor overvoltage, excessive arc current between arcing electrodes 50, 52, loss of gas pressure, or merely to adjust the capacitance in the line. In a multi-phase system, the respective switches in all phases are coupled to preserve phase balance. The switch comprises fixed contacts 54a and a movable hollow contact 56a motivated upwards by a spring 148 when released by a catch 138, 150 and downwards by gas pressure when released by another catch 139, 158 which may be omitted if the contact pressure is high enough to allow the gas pressure build up on the cylinder 146 to give rapid acceleration of the contact 56a. On withdrawal of contacts 56a an arc forms between electrodes 50a, 52a which when valve 168 is opened, is blown down exhaust channel 128 and through vent slot 118 to discharge port 120. The spacing of electrodes 50a, 52a may be adjusted by a threaded bolt and nut arrangement 96, 98, 100, 102. Interlocks and limit switches are provided. A pair of switches (Fig. 4, not shown) may be commoned to a single operating and interlock mechanism. The electrodes 50a, 52a also act as a surge diverter on capacitor overvoltages.
Patent GB-286771-A (GB)
Title: Improvements in apparatus adapted for use in extinguishing fires
IPC: A62C99/00
Filed: 1926-12-07
Abstract: 286,771. Marshall, C. F. B., and Wright & Partners, Ltd., F. Dec. 7, 1926. Direct gas-pressure apparatus, non-automatic. -A fire-extinguisher of the kind charged with liquid and gas under pressure and sealed by a metal disc is adapted for operation by one hand by providing a handle at one end and at the other end a spring-loaded piercer and an outlet arranged at right-angles thereto. The extinguisher is enclosed in a casing k, Fig. 2, having at one end a handle k<1>. At the other end of the extinguisher is a fitting b, g, provided with the outlet j, a screwed plug c holding the disc f in sealing position, and an axially movable plunger h carrying a needle h<1> normally retracted by a spring. For charging purposes the fitting g is replaced by a fitting, Fig. 1, provided with a charging-pipe and a key d for screwing home the plug c, the latter having an axial bore and lateral perforations for passage of the charge. The needle h<1> may be replaced by a solid or hollow cutter having an oblique end and a reduced portion adjacent thereto.
Patent GB-392170-A (GB)
Title: Improvements in or relating to the packing of tin plates
IPC: B05D7/14
Filed: 1931-11-10
Abstract: 392,170. Packing tin plates. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, London, ANODE RUBBER CO., Ltd., 10, Lefebvre Street, St. Peter's Port, Guernsey, and GIFFORD, H. S., 2, Cambridge Street, Manchester. Nov. 10, 1931, No. 31119. [Class 94 (i).] A method of packing or storing tin-plates comprises treating the plates, individually or in bundles, with aqueous dispersions of rubber, guttapercha, balata, or similar vegetable resins. Application is effected by dipping, spreading, or spraying. The dispersions may be concentrated or may contain compounding ingredients. Concentrates such as are described in Specifications 219,635 and 290,313, [both in Class 70, Indiarubber &c.], or compositions as described in Specification 335,559, [Class 140, Waterproof &c. fabrics], may be used. The plates may be subjected to a subsequent treatment with wax in molten condition, or as a solution, emulsion or suspension.
Patent GB-971573-A (GB)
Title: Improvements in or relating to the manufacture of bulked yarns
Inventor: FAIRLEY KENNETH DUFF
IPC: D02G1/02
Filed: 1962-08-14
Abstract: Bulked yarn comprising a crimped continuous filament core surrounded by a sheath of staple fibres is formed from two or more multifilament yarns, tows or bundles (at least one of which is thermoplastic) having different extensions to break.  The yarns &c. in combination are simultaneously false-twisted e.g. by the process described in Specification 890,053, and drawn e.g. around a heated snubbing pin, whilst in heated condition, sufficiently to break one yarn &c. into staple length e.g. 8 inch, fibres which form the sheath around unbroken filaments, which have been crimped by the false-twisting and heating and thereby form the core with the ends of the fibres entangled therein.  The bulked yarn may be modified by heating under a controlled tension to remove the crimp from the core and enhance the crimp in the sheath fibres.  The yarns &c. may be of the same or different materials e.g. polyamides, polyesters, polyhydrocarbons, or regenerated cellulose.  The different extensions to break may be produced by additives e.g. alkathene, in the melt to weaken some filaments, by spinning under conditions which yield denier variation or different spun orientation, by subjecting the filaments to random quenching after spinning e.g. by spraying water thereon whilst they are in the conditioner tube so that a highly spherulitic yarn is obtained, by random fusion of filaments, physically or chemically damaging the yarn e.g. by abrading, or by fully drawing one yarn (or drawing the yarns to different extents) prior to combining, false-twisting &c. with the other(s).  The bulked or the modified yarn may constitute the weft with conventional nylon warp yarns in plain or sateen weave fabrics.
Patent GB-913921-A (GB)
Title: Improvements relating to viewing devices for x-ray image amplifiers
IPC: G02B23/00
Filed: 1960-09-09
Abstract: 913,921. Periscopic type viewing devices. OPTISCHE INDUSTRIE DE OUDE DELFT N.V. Sept. 9, 1960 [Sept. 10, 1959], No. 31191/60. Class 97 (1). A periscopic type of viewing device for an X-ray image amplifier has an objective, an eyepiece, and at least four plane reflecting surfaces, which invert the image an odd number of times, the first four reflecting surfaces being arranged after the style of a Porro prism system of the first type. The Figure shows an image amplifier 2, on the screen 3 of which is produced a reversed image. Above this is a high-power objective 4, 5 which can be used to project the image on to a film strip or television camera. A plane 45 degrees mirror 7 reflects part of this light, perpendicular to the optical axis, through an objective 9, producing an intermediate image at a field lens 10. The light is then reflected by a further 45 degrees mirror 11 through a second objective 13, and reflected by a prism 14 and a further prism 16. The plane surfaces 7, 11, 14 and 16 are arranged after the style of a Porro prism system of the first type, the plane containing the tubular holders 15, 12 being perpendicular to that containing the holders 12, 8. Thus the four reflecting surfaces plus the Porro arrangement produce an odd number of image reversals, giving complete image erection. The object is finally reflected twice more by a rhombohedral prism 20 (which does not influence the orientation of the image) into an eyepiece 21. The eyepiece can turn in a circle round the tubular part 17, and the whole viewing device can turn, on the ring 6, round the axis of the image amplifier.
Patent GB-1031887-A (GB)
Title: Thermoluminescent dosimetry
IPC: C09K11/61
Filed: 1963-08-07
Abstract: A light source, used as a standard when measuring the light output from a thermo-luminescent dosimeter with a photo-sensitive device, comprises the same luminescent material as used in the dosimeter, preferably obtained from the same batch, subjected to radio-active energy.  It is explained that the spectral distribution of the light so obtained is very similar to that obtained from the dosimeter itself wherein the material has been subjected to ionizing radiation and subsequently heated.  A suitable luminescent material is CaF2 : Mn mixed with a material such as carbon 14 giving out substantially constant radiation.  The luminescent material may be incorporated in a transparent plastics base, some of the carbon atoms of which may be carbon 14.  A series of such standards is provided and the individual standards calibrated against the dosimeter after it has been exposed to a standard radioactive source for a measured time and then heated.
Patent GB-1153436-A (GB)
Title: Optically Active Benzhydrol Derivatives and Processes for the Preparation thereof
Inventor: JARROUSSE JULES
Filed: 1966-07-12
Abstract: 1,153,436. Benzhydrol derivatives. SOC. YAB. 12 July, 1966, No. 31226/66. Heading C2C. Optical isomers of carbinols of the formula R 1 -C 6 H 4 -CH(OH)-C 6 H 4 -R 2  (wherein R 1  is alkyl, alkoxy or halogen, and R 2  is H, alkyl, alkoxy or halogen, and if R 1  and R 2  are the same then they occupy different positions in the respective benzene nuclei) are prepared by forming a racemic hemi-ester of the carbinol with a dibasic acid, reacting the ester with an optically active alkaloid to form a mixture of diastereoisomeric salts, treating this mixture with a suitable solvent e.g. a lower alkanol such as ethanol, from which a crystallized fraction containing the salt of the laevo ester is obtained, treating the mother liquor with aqueous sodium hydroxide to obtain the crude dextro isomer of the carbinol therefrom, and purifying this by crystallization from a petroleum hydrocarbon to obtain the pure dextro isomer. Preferred reactants are p-tolylphenylcarbinol, phthalic or succinic acid and l-quinine. The laevo isomer of the carbinol obtained from the alkaloid salt of its hemi-ester with a dibasic acid may be racemized by treatment with a dilute acid and resolved again to obtain further quantities of the dextro isomer, which may then be reacted with a chlorinated aliphatic tertiary amine, the chlorine atom of which is bound to a primary or secondary carbon atom, in the presence of an aqueous solution of potassium or sodium hydroxide, to obtain an amino ether of the dextro carbinol, which may be isolated and purified as the free base or a salt thereof. The chlorinated amine preferably has the formula Cl.C n H 2n .N(A.B) wherein n is 1 to 5 and A and B are alkyl radicals. The amino-ethers of the dextro carbinols referred to above are stated to have antihistaminic activity and may be made up into pharmaceutical compositions such as syrups, tablets and suppositories. The specific compound d - 4<SP>1</SP> - methyldiphenyl - (dimethylaminoethoxy) - methane is also stated to possess a spasmolytic anti-acetylcholine action and slight mydriatic, hypotensive, vasodilative, local anaesthetic and soporific activities.
Patent GB-165121-A (GB)
Title: Improvements in the manufacture of springs
IPC: B21D53/88
Filed: 1919-12-13
Abstract: 165,121. Brockhouse, H., Webster, H. W., and Vickers, Ltd. Dec. 13, 1919. Springs. - In making laminated leaf springs for motor, horse, railway or tramway vehicles, the hot plates are secured between a series of pairs of curved bending dies mounted on the faces of a drum, which is given a continuous step-bystep rotation through a quenching tank, so as to retain the plates in curved and clamped condition during quenching The dies first bend the plates and then hold them in bent condition during quenching. The dies are secured on supporting plates either permanently, or detachably secured to the faces of the drum 55, Fig. 11, one pair of dies being above the surface of the liquid so as to facilitate removal or replacement. A number of drums on coaxial shafts may be mounted in the same tank or drums on a series of parallel shafts may be used, each drum being independently rotated and fixed by a pawl 56 and ratchet 57. The dies 10, 11 may be provided with pins 13 engaging slots 14 in the supporting plate 12 as shown in Fig. 1, and may be operated through a plate spring so that the movable die maintains contact with the plate when it contracts on cooling. The die 11, Fig. 1, is operated by a screw 18 through a plate spring 16 and a coil spring 17. The dies mav consist of channel bars with their edges in contact with the plate, perforations being provided for the circulation of the quenching fluid. In place of the screw, a hand or foot lever may be used, or the dies may be pulled together by hand. In a modification the die 10, Fig. 4, rests against a plate spring 20 to the ends of which are connected levers 21 having holes 22 to receive pegs 23 for holding the dies in closed position. In a further modification, notched levers pivoted to the plate 12 may replace the levers 21 and may engage pins on the lower die 11. The levers may also be pivoted to one of the dies or to the supporting plate. The position of the dies may be reversed and the die with the concave surface then has projecting plates at each end through which pass handoperated screws passing into the flange in the supporting plate. Springs on the screws press the dies apart when the screws are released.
Patent GB-225390-A (GB)
Title: Improvements in or relating to flushing tanks or cisterns for water closets, and the like
IPC: E03D1/012
Filed: 1923-12-13
Abstract: 225,390. Horton, S. Dec. 13, 1923. Siphon-discharge water-waste preventers.-The actuating-lever is mounted on a cross-bar d whose ends are shaped as shown and work in V-shaped sockets in the wall of the cistern, the bottoms being rounded to match.
Patent GB-845282-A (GB)
Title: Improvements relating to devices for refracting and reflecting light
IPC: G01N21/41
Filed: 1956-10-15
Abstract: 845,282. Optical systems. GUETTA, A. C. Oct. 15, 1956, No. 31320/56. Class 97(1) A device for refracting and reflecting light comprises a lens 1, preferably conveying, a mirror 3, preferably plane, and sealed in the space therebetween is a fluid which is capable of remaining in a transparent and homogeneous state. The fluid may be Canada balsam but it is stated that any liquid vapour or gas may be used.
Patent GB-808536-A (GB)
Title: Light signal system installed on ships and other water craft for indicating changes of course
IPC: B63B45/00
Filed: 1956-10-16
Abstract: 808,536. Marine signalling apparatus. BENGTSSON, S. W. Oct. 16, 1956, No. 31467/56. Drawings to Specification. Class 118 (2). A signalling arrangement for indicating intended changes of course of marine craft comprises at least one pair of electric lamps producing red and green light respectively manually operated switch means being provided for selectively connecting the lamps to an intermittent voltage supply source so as to indicate an intended change of course to port or starboard by flashing of the red or green lamp respectively. The lamps are mounted at respective sides of the vessel adjacent to the normal port and starboard navigation lights and a similar pair of lamps positioned in close proximity are mounted on the fore mast or at the fore peak of the vessel and operated in similar manner a third lamp producing light of a distinctive other colour (e.g. white or yellow) being included with the latter pair and connected via a further manually operated switch to the intermittent voltage source so that the attention of other vessels may be drawn before the actual course change signals are given. The third lamp is arranged to continue flashing alternately with the flashing of the red or green course change lamps. The intermittent voltage supply source is provided by means of a motor-driven interrupter and each of the signal lamps is connected via electromagnetic relays to individual pilot lamps on the instrument panel used by the ship's master an additional pair of pilot lamps connected with the course change signal lamps being provided at the station occupied by the helmsman.
Patent GB-1085105-A (GB)
Title: An improved lead acid battery plate
IPC: C22C11/10
Filed: 1966-07-13
Abstract: A battery plate or cell post for a lead-acid battery is made from an alloy comprising:- .Sn.0.5-5.5% .Sb.3-12% .Cu.0.02-0.08% the balance, apart from impurities, being lead
Patent GB-640957-A (GB)
Title: Improvements in or relating to reciprocating pumps
Inventor: EADIE ROBERT WILLIAM
IPC: F16N13/14
Filed: 1947-11-28
Abstract: 640,957. Reciprocating pumps. WILTON ROW EXTENSIONS, Ltd., Nov. 28, 1947. No. 31533. [Class 102(i)] A pump casing 1 is fitted with caps 2 into which are screwed cylinders 3 each having an inlet 7 and a spring-loaded outlet valve 9 leading to an individual outlet. The pistons 5 are pressed by springs 6 against an axially-acting cam 13 carried by a shaft 12 journalled in the caps 2. The cam 13 may be driven by a worm 14 or by the shaft 12 which would then extend through either or both caps. The casing has an inlet 11 and is maintained full of liquid. In a modification, the casing has one cap and the pistons act on one side of the cam.
Patent GB-933183-A (GB)
Title: Method of manufacturing shoes
IPC: A43D11/00
Filed: 1959-09-16
Abstract: 933,183. Making shoes. FORMULAST CORPORATION. Sept. 16, 1959 [May 4, 1959], No. 31596/59. Classes 17 (1) and 17 (2). Leather shoe uppers are moistened for a restricted time so as to add moisture to at least one surface, lasted whilst the moisture concentration is substantially higher at the surface zone than in the centre of the leather, and then force dried to remove the moisture whilst the concentration is still substantially higher at the surface zone than in the centre. In the apparatus shown the uppers take approximately three minutes to pass through the muller 24, the atmosphere of which is water saturated and at a temperature of 140-180‹ F. Uppers having initially a moisture content of 11% by weight have 18- 22% by weight of moisture in the surface zones when leaving the muller. Uppers from muller 24 and outsides and counter stiffeners from conveyer 16 are assembled on a last at 26, pulled over at 28, side lasted at 32, 34, and forepart lasted at 36. The shoe bottom is then heated by steam on a separate conveyer, and the shoe bed-lasted at 38, 40, and heel-seat lasted at 42. These operations take about eight minutes so that some eleven minutes after the upper is placed in the muller 24 the moisture may be removed in heater 44. Heating may be by infra-red lamps, quartz heaters &c., and takes about one minute, during which the moisture content of the surface of the leather drops from about 16-22% by weight to 11%. The lasted margin is trimmed at 50, and sounded and roughened at 54, and a shank stiffener is inserted, if required, at 55. The shoe then passes in three minutes through heater 56, coated with cement and bottom-filled. The shoe is then passed again through heater 56, in three minutes, and cooled along run 62. The sole is attached to the upper by operator 66, the cement on the sole having been activated, e.g. by heat. The shoe is thus formed in a twentyfive minute cycle. The uppers may be wholly of leather, or have a thermoplastic finish, or have a lining, e.g. of fabric. Application 31973/60, and Specifications 857,012 and 933,184 are referred to.
Patent GB-1306595-A (GB)
Title: Sheet feeding apparatus
IPC: B65H3/56
Filed: 1970-06-30
Abstract: 1306595 Feeding sheets XEROX CORP 30 June 1970 [3 July 1969 (2)] 31609/70 Heading B8R Apparatus for feeding sheets one by one from the top of a stack of sheets includes means for preventing separation of more than one sheet at a time, such means comprising at each leading corner (a) a plate 101 engaging a front corner of the topmost sheet and carried by a vertically movable support 114 so that the plate 101 remains in contact with the top of the stack as sheets are fed forward from the stack and (b) a plate 102 engaging the front of the stack. As shown in Fig. 3, the plate 102 is adjusted by screw and bolt connections 116, 117 on the support 114, so that an upper knife edge 103 thereon is spaced from the plate 101 a distance allowing only one sheet to pass through the gap between the plates 101, 102. A stiff sheet will pass through this gap but the pressure of plates 101 causes a more flexible sheet to buckle and pass over the plates 101. In modified arrangements (Figs. 5, 6, not shown), the plate 102 is pivoted on the support 114 about a vertical or horizontal axis, and spring-pressed against the front edge of the plate 101 i.e. there is no gap. Stiff sheets when fed forward from the stack move the plate 102 out of the way, but less rigid sheets are flexed over the corner plates 101. The support 114 for the plates 101, 102 is slidable vertically on a post 96 and is pivoted at 105 to an adjustable lever 104 pivoted at 108 and connected to a weighted biasing member 110 which can be adjusted relatively to the lever to vary the pressure of the plate 101 on the stack. The stack is supported on a base 62 having mounted thereon laterally-adjustable L-shaped guides 72 engaging the sides of the stack, and a rear stop plate. A spring strip 80 attached to each guide 72 carried a member 75 serrated on its inner face to engage the stack through an opening in the guide 72. Separation of the sheets is effected by a friction roller 63 mounted on a pivoted arm 66 and driven intermittently by an endless belt 53 through a slip clutch, the latter allowing the sheets to be pulled forward by feed rollers.