baber/WOPTO huggingface dataset:
Patent GB-735297-A (GB)
Title: Improvements in or relating to inertia operated electric switches
IPC: H01H35/14
Filed: 1952-03-27
Abstract: 735,297. Inertia switches. GRAVINER MANUFACTURING CO., Ltd., WILKINSON SWORD CO., Ltd., and BENNETT, N. G. March 12, 1953 [March 27, 1952], No. 7863/52. Class 38 (5). [Also in Group XXI] A switch intended for fitment to a projectile with a high initial acceleration has an inertia element which is unlatched by the initial acceleration and which upon a subsequent decrease in the acceleration operates the switch contacts. The switch, Fig. 1, comprises an inertia element 28 slidable in a sleeve 29 and biased in a forward direction by a spring 27 and in the rearward direction by a weaker bow spring 31 mounted between leaf springs 32 as disclosed in Specification 635,672. The end 33<SP>1</SP> of a latch 33 pivoted at 34 normally prevents movement of the element 28 by the spring 27, the latch being held in the locking position against the action of a spring 36 by the engagement of the latch end 33<SP>2</SP> with a flange 24 on a tubular member 23. The member 23 is guided within a member 18 and biased by a spring 21. The pressures exerted by springs 21, 27 may be varied, respectively, by adjusting the member 18 in a fitting 14 and a plug 25 within the member 23. A high acceleration given to the switch in the forward direction causes the element 28 to compress the spring 21 so that the flange 24 disengages the latch end 332 which drops in front of the flange and prevents return of the member 23 as the acceleration subsequently falls. When the force exerted on the element 28 by the acceleration is less than that produced by the opposed springs 27, 31 the spring 27 moves the element 28 which snaps over the spring 31 to bridge fixed contact springs 39, this movement of the element being possible since the latch end 33<SP>1</SP> has been previously moved to its release position (Fig. 4, not shown). The insulating casing 12 is transparent and carries a terminal box 13 at one end. In another embodiment, Fig. 5, an inertia element 72 is supported by two leaf springs 73, 74 and is biased by a spring 82 so that its end 72<SP>1</SP> normally engages a recess 83 in a slidable latch 84 biased by a spring 85. Insulating pins 90, 91 on the element 72 are adapted to respectively engage the centre limbs 63 of a pair of trifurcated blade springs 55, 56 fixed by screws 59, 60 and carrying contacts 66, 67. Normally, the springs 55, 56 engage a fixed plate 65 having guides 100, 101 for the element 72. A high acceleration causes the element 72 to compress the spring 82 whereupon the latch 84 is released and a deeper latch recess 86 moves opposite to the element, Fig. 8, so that on a subsequent fall in acceleration the pins 90, 91 snap over the springs 55, 56 and the contacts 66, 67 engage fixed contacts 68.
Patent GB-319026-A (GB)
Title: Improved process of washing or cleaning wool
IPC: D01B3/04
Filed: 1928-03-14
Abstract: 319,026. Fawcett, H. W. March 14, 1928. Plant.-Impurities are separated from liquor which has been used for washing wool by passing the liquor first in thin layers, through a settling-tank fitted with a series of inclined plates and then through a centrifugal apparatus comprising a series of rotating conical plates. Heavy dirt is separated in the settling apparatus and colloidal slime and grease in the centrifuge. The centrifuge may be of the De Laval type or of such a construction that the colloidal matter is thrown by the centrifugal force into a series of pyramidal bays formed in or arranged on the easing of the apparatus.
Patent GB-281422-A (GB)
Title: Improvements in or relating to internal combustion engine and turbine combinations
IPC: F02B37/18
Filed: 1923-03-20
Abstract: 281,422. Ellor, J. E. March 20, 1923. Motor power plant.-The exhaust from an internal-combustion engine passes to a turbo-compressor by a pipe 8 at a pressure which is kept constant by the operation of a valve 3 controlling an outlet 7 to the atmosphere. The valve 3 is operated by a piston 10 in a chamber 11 which is connected by a pipe 12 to the exhaust manifold 6. Gases leak past the piston and build up an opposing pressure which is limited by a valve 14 connected to a diaphragm 15 forming one wall of a sealed chamber 16 containing air. The piston 10 and chamber 11 may be cylindrical. In a modification, the valve 3 may be applied to one or more of the nozzles of the turbine wheel of a turbo-compressor as described in Specification 277,779.
Patent GB-850176-A (GB)
Title: Purification of lower aliphatic acids
IPC: C07C51/487
Filed: 1957-03-12
Abstract: Acetic, propionic, and butyric acids respectively containing small proportions of impurities are purified by heating the acid in the liquid phase to a temperature of at least 235 DEG  C. but below that at which the acid decomposes to any substantial extent and then distilling off purified acid from the impure product. Preferably the acid is heated to between 235 DEG  C. and 330 DEG  C. and in the presence of a small proportion by weight, e.g. between 0,2 and 10% by weight, of an ionisable salt soluble in the acid, e.g. a sodium or potassium salt of the acid being treated.  It is also desirable to have present a small proportion by weight of water, e.g. from 1 to 10% by weight based on the weight of the acid.  The impure acids submitted to the heating process may be obtained by the liquid phase oxidation of lower aliphatic hydrocarbons containing up to 7 carbon atoms, e.g. propane or butane, such acids containing up to 2,000 parts per million of residual impurities such as aldehydes, hydroxycarbonylic compounds and ethylenically unsaturated compounds. To maintain the acids in the liquid phase a high superatmospheric pressure must be applied thereto and this may be the autogenous pressure developed by heating the acids in a closed vessel when the heating operation is carried out on a batch basis.  The superatmospheric pressure may also be applied to the acids by means of a pump when the heating is carried out in a continuous manner by forcing the acids into and through a heating chamber.  Suitable heating times are normally between 1 and 20 hours.  During the heating period the impurities present decompose or condense to form high boiling compounds from which the fatty acids are separated by fractional distillation.  A portion of the decomposition products is gaseous and may simply be vented from the acids during or after the heating period.  Examples are given for the purification of acetic acid containing about 2,000 parts per million of impurities and which has been prepared by the liquid phase oxidation of propane and butane and which has first been purified by fractional distillation.
Patent GB-623731-A (GB)
Title: Apparatus for the conveyance of liquids to atomising discs
IPC: B05B3/10
Filed: 1946-03-15
Abstract: 623,731. Sprayers. ANDERMATT, C. March 15, 1946, No. 8110. Convention date, March 17, 1945. [Class 69 (iii)] In spraying liquid by throwing it off from the periphery of a rotated disc 16, the liquid is supplied preferably tangentially from a pipe 6 to a stationary chamber 10 from which it flows through, e.g. a conical annular gap 7 which can be adjusted to greater or less eccentricity as required, e.g. to give a wider gap 7 at the side distant from the inflow 6 so as to even the distribution to the second fixed distributing chamber 14, from which the liquid flows without initial inertia through passages 13 to a chamber inside the disc 16 from which it is thrown outside radially. The annular gap 7 is made more or less eccentric by a regulating screw 8 which moves the housing 3 sideways in relation to the disc 4. A second liquid may also be supplied through a second tangential liquid feed pipe 6<SP>1</SP> at the opposite side to the pipe 6.
Patent GB-891600-A (GB)
Title: New tertiary amine salts and a method of setting hair with them
IPC: C07C/
Filed: 1959-03-09
Abstract: Compounds having the formula <FORM:0891600/IV (b)/1> in which R1 is a hydrogen atom or an alkyl radical having not more than 6 carbon atoms, R11 is an alkyl radical having not more than 6 carbon atoms, one of the substituents R and R111 is hydrogen or an alkyl radical having not more than 6 carbon atoms and the other is a fatty radical having 8-24 carbon atoms, X is an anion of an organic acid, e.g. lactic acid, and n is an integer from 2 to 4, are prepared by reacting equimolecular amounts of a mercaptan having the general formula HS-CH R1-CO2R1 in which R1 is an alkyl radical having not more than 6 carbon atoms and of an alkylene diamine having the formula <FORM:0891600/IV (b)/2> in which R, R1, R11, R111 and n have the meaning assigned to them above, and treating the product with an organic acid.ALSO:A process for setting hair without submitting it to a previous permanent waving comprises impregnating the hair with an aqueous solution of a compound having the formula <FORM:0891600/IV (c)/1> in which R1 is a hydrogen atom or an alkyl radical having not more than 6 carbon atoms, R11 is an alkyl radical having not more than 6 carbon atoms, one of the substituents R and R111 is hydrogen or an alkyl radical having not more than 6 carbon atoms and the other is a fatty radical having 8-24 carbon atoms, X is an anion of an organic acid, e.g. lactic acid, and n is an integer from 2 to 4, rinsing the hair, setting it to a desired configuration and then subjecting it to air-drying.
Patent GB-213423-A (GB)
Title: Improvements relating to chain driven wringing machines, mangles, domestic washers and the like
IPC: D06F45/00
Filed: 1923-03-22
Abstract: 213,423. Wilson, A., Wilson, D., and Taylor & Wilson, Ltd. March 22, 1923. Two-roller mangles and wringers, driving-gear for; washing - machines with rollers. - In chain gearing for use in wringing machines, mangles, domestic washers and the like, a chain - wheel is carried on a stud A supported in a lever arm B, which pivots on a stud c<2> cast into the framing C. The stud passes through a slot c<3> in the framing concentric with the stud c<2> and is adjustably secured by a nut a'. To facilitate adjustment, the hub b<1> of the arm B is formed hexagonal, preferably identical with the nut a', so that the arm may be turned by a spanner. A flange b on the arm engages a circular recess in the framing to provide a large bearing-surface and prevent binding.
Patent GB-955019-A (GB)
Title: Thermoelectric materials and devices prepared therefrom
IPC: H01L35/16
Filed: 1962-03-05
Abstract: A thermoelectric material consists of a sulphide, selenide, telluride or phosphide of a lanthanum group or actinium group metal doped with a chalcogenide of a monovalent or divalent metal. Specifically the material has the Th3P4 crystal lattice structure and has the formula AM2y1Z2xBy1 or ANyZxBy where A is at least one element and the lanthanum or actinium series; M is at least one of Li, K, Na, Co, Ag and Au; N is at least one of Ba, Sr, Mg, Ca, Cd, Sn, Pb, Cu and Zn; Z is at least one of S, Se, Te and P; B is at least one of S, Se, Te and O. x lies between 1.33 and 1.5 y1 lies between 0.001 and 3x-4/5 y lies between 0.001 and 3x-4.  The lanthanum series includes cerium, praeseo dymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutechium.  The actinium series includes thorium, proctactinium, uranium, neptunium, plutonium, americium, cerium, berkelium, californium, einsteinium, fermium and mendelevium. Specific embodiments include examples of cerium sulphide diluently doped with divalent strontium sulphide. The materials were mixed, sintered at 1350 DEG  C., finely ground, compressed and sealed in a molybdenum bomb and heated to about 1400 DEG  C., cooled and then cut into cylindrical pellets. Compositions such as CeSr1.39(SrS)0.71 and CeSr1.42(SrS).09 resulted. The material may be used for Secbeck or Peltier devices and is useful for applications with temperatures above 550 DEG  C.
Patent GB-267333-A (GB)
Title: Improvements in rotary pumps
IPC: F04C2/16
Filed: 1926-03-29
Abstract: 267,333. Kinney, J. R. March 23, 1926. Movable - abutment type; bearings, arrangement of; packing drums.-In a rotary pump which comprises intermeshing rotors with helical blades arranged in herring- bone fashion. the blades 32 make an angle of 68‹ with the rotor axes and in axial section, are formed with flat inclined sides and flat peripheries. The inlet passage 14 has an opening equal to the distance between the rotor shafts and is formed with a partition 37 dividing the inflowing material. The shaft bearings 22 and spur gears 25 connecting the two shafts are carried in housings on brackets 21 extending from the pump casing. The shafts are fitted with nesting flanged rings 18, 19 and stuffing-boxes 17; any leakage into annular recesses 26 is returned to the suction side by pipes 27. The oppositely arranged blade portions 29 of each rotor are secured together by rods 31 extending therethrough.
Patent GB-217351-A (GB)
Title: Improvements in or connected with fire extinguishers
IPC: A62C13/00
Filed: 1923-12-27
Abstract: 217,351. McMyn, J. K. Dec. 27, 1923. Extincteurs. - In a fireextinguisher, which is inverted to produce foam, &c., the acid vessel is seated on the bottom of the casing and is held by a positioning-device clamped by the screw-on cap of the extinguisher. The positioning device e comprises an upper ring d which is clamped by the screwon cap and a lower bayonet-slotted ring d<1x> which detachably engages pins i on the neck of the acid vessel b. The acid vessel mav be closed by a screw-down valve c<3> carried by the cap of the extinguisher, or a porcelain &c. gravity stopper may be employed.
Patent GB-107999-A (GB)
Title: Improvements in and relating to Bevelling and Grooving Machines for the Welts of Boots and Shoes.
Inventor: LEWIS JAMES
IPC: A43D43/00
Filed: 1916-06-16
Abstract: 107,999. Lewis, J. June 16, 1916. Bevelling; grooving. - A machine for bevelling and grooving welts for hoots and shoes, has a pair of feed-rollers F, G on shafts which are geared together and supported, the one in the fixed part A of the frame, and the other in a movable part B, hinged to the part A at C and drawn downwards by a spring against an adjustable stop I. The grooving-knife M is adjustable in a holder m on the upper part of the frame to vary the depth of the groove, and the bevelling-knife L is adjustable in a holder l on the lower part of the frame. The material W is fed through an open-sided guide J and is guided laterally by an adjustable flange 0 on the lower roller. In order to vary the distance between the groove and the edge of the material, the part B of the frame is made adjustable laterally by means of the screw N.
Patent GB-360325-A (GB)
Title: Improvements in or relating to suspensory bandages
IPC: A61F5/40
Filed: 1931-03-19
Abstract: 360,325. Suspensory bandages. SUZZONI, F., 13, Rue du Village, Marseilles, France. March 19, 1931, No. 8546. Convention date, May 24, 1930. [Class 81 (ii).] Relates to a suspensory bandage of the kind wherein bands or fastening members passing between the thighs are dispensed with, and the opening usually provided in the pouch is also eliminated. According to the invention, the pouch 2 is directly attached at its rear part to a waist belt 3, and a tie or fastening member 4, fixed at one end to the pouch, is attached to the belt bv means of a button or stud 5. The upper part 6 of the pouch may be padded.
Patent GB-456497-A (GB)
Title: Improvements in or relating to women's nether undergarments
IPC: A41B9/08
Filed: 1936-03-23
Abstract: 456,497. Undergarments. INNES, HENDERSON, & CO., Ltd., and HENDERSON, SIR T., Victoria Mills, Hawick, Roxburghshire. March 23, 1936, No. 8569. [Class 141] A woman's nether undergarment, or combination garment, has a crutch opening 3 extending across the seat part of the garment above the usual leg openings and a flap 6, depending from the upper side of and overlying said crutch opening, and adapted to be fastened to the material on the other side of said opening. The flap is preferably V-shaped and is adapted to be passed between the wearer's legs and to be fastened at the front of the garment by means of a button 8a, and a buttonhole 8 on the flap. The edges of the opening 3 and the flap 6 are bound with an elastic trimming.
Patent GB-737452-A (GB)
IPC: D01H5/88
Filed: 1950-04-05
Abstract: 737,452. Textile drawing mechanism. ZELLWOLLE-LEHRSPINNEREI GES. April 5, 1950 [July 18, 1949], No. 8619/50. Class 120(2). A double-apron drawing mechanism is provided with a multi-part cradle comprising an independent upper part mounted on the top roller shaft which is capable of lateral movements that are shared by the upper apron and upper part of the cradle, those parts of the cradle that guide the bottom apron being fixed. In one embodiment, Fig. 1, the upper part 12 of a cradle has a transverse wall 15 which rests on a transverse wall 16 of the lower part 11 of the cradle. Movements of the top apron roller 5 are transmitted to the cradle part 12 which is free to slide on part 11. In a modified form, the lower part 11 may extend above the lower apron 2, with additional extensions flanking the tensioning roller 6. The lower part 11 may in this case have a special transverse piece on which the wall 15 may slide. Another embodiment, Fig. 5, has a yoke 7 for guiding the top apron 4, the yoke 7 being mounted on the upper part 12 which in this case is mounted forwardly of the roller 5 and is secured for lateral sliding movement on a pin 26 with pointed ends fitting into conical apertures 25 in the spring ends 24 of a U-shaped member 23 secured to a fixed guide rail 3. Alternatively, the spring ends 24 may carry projections engaging in apertures in the side walls of an upper part which may be otherwise similarly mounted to the upper part 12 of Fig. 5. A further embodiment has the U-shaped member 23 formed with horizontal slots or recesses into which a pin mounted on the upper part 12 passes when in operative position, the pin having downwardly extending hooks to pass over inward projections on the sides of the upper part 12 to lock the upper part in position. Specification 737,451 is referred to.
Patent GB-199167-A (GB)
Title: Cycle & motor cycle spring frames
IPC: B62J1/04
Filed: 1922-03-25
Abstract: 199,167. Haselock, F. March 25, 1922. Spring devices.-In a spring frame for motorcycles &c. wherein the central saddle-carrying tube A is hinged near to its lower end, this tube is provided with a sleeve portion E which under the control of one or more springs D slides over, and is guided upon, an extension of, or an attachment to, the top tube C bent in an are of a circle XYZ.
Patent GB-983902-A (GB)
Title: Reversible nesting and stacking container
IPC: B65D21/02
Filed: 1963-03-05
Abstract: 983,902. Stackable containers. W. H. LOCKWOOD. March 5, 1963 [March 21, 1962], No. 8685/63. Addition to 961,858. Headings B8D and B8P. The trays of the parent Specification are modified in that side walls 102 (Fig. 5) each have a lip with upwardly and downwardly projecting portions 104, 105 arranged to be invertibly complementary so that the lip of an inverted tray interfits with the lip of an upright tray to form a closed receptacle. The side walls project obliquely outwards so that the trays are nestable and projections and recesses are formed in the base so that the pattern on an inverted tray interlocks with the pattern on an upright tray in at least one of two rotated positions 180 degrees apart. If the pattern is also invertible about the diagonals the trays may be tiered in positions at 90 degrees interval rotations. A pattern of triangular projections 256 is illustrated in Fig. 24 in which hollow partitions moulded integrally with the base have substantially horizontal upper surfaces and intersect the side walls below the lip 243 and have upstanding step portions 255 with upper surfaces level with the lip. The partition may have a wholly horizontal upper surface level with the lip and merge into a frame extending between the upper side walls and the lip. Alternatively the partitions may have a central horizontal portion and then taper downwards to cut the base adjacent the side walls. The base pattern of depressed and projecting parts may take the form of rows of squares or circles or a random pattern of circles invertible about the diameters parallel to the sides and through the comers of the base, or may be wedges filling a pattern of concentric circles crossed by the said diameters. The circular projections are frusto-conical converging outwardly and the depressions are frustoconical converging inwardly. The base pattern may be formed by a pressing tool or by moulding, to leave the internal surface either similarly patterned or flat. The side walls may have different heights to form different sizes of receptacle, but may still be nested or tiered with trays of corresponding base shape. A flat cover with similar lip pattern may be placed between the trays as a cover or partition.
Patent GB-1023373-A (GB)
Title: Chromone derivatives
Inventor: WRAGG ARTHUR HEDLEY
IPC: C07D493/04
Filed: 1962-03-07
Abstract: The invention comprises compounds of formula <FORM:1023373/C2/1> wherein R is an alkylene group, and one of X and Y is a methylene group and the other an oxygen atom, salts and esters thereof, and their preparation from a compound of formula <FORM:1023373/C2/2> by (a) reaction with an amino-acid of formula NH2RCOOH in the presence of a base, or (b) conversion to the acid chloride by reaction with thionyl chloride, followed by condensation with an ester of the amino-acid NH2RCOOH and, if desired, by hydrolysis of the ester.  6 - Oxa - cyclohexano - [g] - chromone - 2 - carboxylic acid is prepared by reacting 7-acetyl-6-hydroxy-chroman with diethyl oxalate to give 7 - (b  - ethoxycarbonyl - b  - oxo - propionyl) - 6 - hydroxy-chroman, treatment with hydrochloric acid to give ethyl 6 - oxacyclohexano - [g] - chromone - 2 - carboxylate, and hydrolysing the ester.  6 - Hydroxy - 7 - acetyl - chroman is prepared by (a) treatment of b -(p-methoxyphenyl)-propionic acid with tetraphosphoric acid to give 6-methoxy-chromone, treating this with zinc amalgam and hydrochloric acid to give 6-methoxy-chroman, and treating this with a boron trifluoride-acetic acid complex, or (b) treatment of b  - (p - hydroxyphenoxy(propionic acid with acetic anhydride to give b -(p-acetoxyphenoxy)-propionic acid, treating this with tetraphosphoric acid to give 6-acetoxy-chroman, treating this with zinc amalgon and hydrochloric acid to give 6 - hydroxy - chroman, treating this with acetic anhydride to give 6-acetoxychroman, and treating this with anhydrous aluminium chloride, hydrochloric acid andsodium hydroxide.  The compounds of the invention have autoimmune reaction-inhibiting and anti-spasmogenic activity and may be used in pharmaceutical compositions in combination with a carrier, for example in forms suitable for oral, parenteral or topical administration, such as tablets, solutions, creams, lotions or pastes.
Patent GB-1512611-A (GB)
Title: Followers
IPC: G01B5/08
Filed: 1977-03-04
Abstract: 1512611 Resilient stops NEWALL ENG CO Ltd 4 March 1977 [4 March 1976] 08736/76 Heading F2S [Also in Division G1] A roller 2 is rotatably mounted on an arm 8 pivotable between resilient stops defined by convolutions 3a at the ends of a coil spring 3, the convolutions 3a surrounding pegs 4 whereby the roller can be applied to the cylindrical surface of a workpiece 6 with a constant force even if the workpiece is rotating and is not exactly cylindrical or is eccentrically mounted. The spring 3 is of the kind which exhibits a constant restoring force as its extension varies. As shown, in use one convolution 3a abuts a peg 4 and a projection 5 on the arm is resiliently biased by the other convolution. The roles of the two convolutions 3a are reversed if the workpiece has an internal cylindrical surface (Fig. 3, not shown).