baber/WOPTO huggingface dataset:
Patent GB-719974-A (GB)
Title: Improvements in liquid pumps
IPC: F04C2/18
Filed: 1952-08-07
Abstract: 719,974. Gear pumps. GENERAL MOTORS CORPORATION. Aug 7, 1952 [Aug. 11, 1951], No. 19925/52. Class 110(2) A liquid pump comprises two intermeshing gear shafts 60, 61, supported by sleeves 50f, 51f, 50r, 51r, each having chambers of which one wall is formed by a shaft, the chambers being fed with liquid to counterbalance substantially the forces set up by operation of the pump and acting on the shafts. The pump shown comprises two bearing housings 30r, 30f, a gear housing 32, and plates 31r, 31f, all aligned by dowels and fastened together by studs and nuts 37. The shafts are mounted in ball bearings 62 associated with seal assemblies 75. As shown in Figs. 21, 22, each sleeve, such as the sleeve 50f shown, is formed with four longitudinal grooves forming pockets Af, Bf, Cf, Df, closed at their ends by rings 58. The segments I, II, III, IV, between the pockets engage the shafts, and are coated with babbitt metal, as also are the rings 58. Ducts a<SP>1</SP>, b<SP>1</SP>, cl, d<SP>1</SP>, in the sleeves communicate one with each pocket and also one with each of four annular grooves such as a<SP>2</SP>, b<SP>2</SP>, c<SP>2</SP>, d<SP>2</SP> in the bearing housings. These grooves in turn are in communication with such parts of the fluid entering and leaving the pump as to provide the necessary counterbalancing effect. As an example, pocket Af communicates with the pump inlet passage via duct a\ groove a<SP>2</SP> with a recess in plate 31f communicating with the pump inlet passage, another duct with the pump outlet, and the two other ducts with points between the inlet and outlet. The bearing housings are protected by screens 40, 42, which act as filters. As shown in Fig. 25, the pump is mounted in a member 100 having chambers 101, 102, which are separated by a seal ring 104 fitting in an annular groove 86 in the gear housing. Fluid enters the chamber 101 at 105, and the pump discharges into the chamber 102 which has a discharge outlet 106.
Patent GB-793173-A (GB)
Title: Improvements in or relating to electric conducting liquid switches
Inventor: ENGEL ERNEST EMIL OTTO
IPC: G01C19/44
Filed: 1953-07-17
Abstract: 793,173. Mercury and other conducting liquid switches. ENGEL & GIBBS, Ltd. June 25, 1954 [July 17, 1953], No. 19955/53. Class 38 (5). A tilting mercury switch comprises an envelope which is formed with a ground or roughened track for the mercury. Various arrangements of electrodes may be used, for example, the mercury 14 may be in permanent contact with a rod 15, Fig. 3, and may be moved into engagement with either electrode 17 or 18. Each of the latter has an end 21, 22 pointed by grinding or by electrolysis. A number of additional electrodes 46 ... 49, Fig. 5, may be arranged alongside the rod 15 so that the electrodes are progressively engaged. The electrodes are preferably connected through resistances to a motor-controlling a gyroscopic unit. In a further arrangement (Fig. 6, not shown), the rod 15 is omitted and the mercury cooperates with a pair of electrodes at each end of the envelope, and in Fig. 7, the rod 15 is interrupted midway and an electrode 57 arranged in the gap. The envelope may be straight, as shown, or curved (Fig. 4, not shown). The mercury is preferably amalgamated with 8 per cent thallium so as to reduce its freezing temperature, as described in Specification 793,174.
Patent GB-713054-A (GB)
Title: Improvements in or relating to pressure vessels to which tubes are to be seal welded
IPC: F22G3/00
Filed: 1952-08-11
Abstract: A seal weld between a tube expanded into the wall of a vapour generator drum and a deposit of substantially pure iron on the wall may be a steel having one of the following analyses:- ..(a).(b).(c) .C.0.08.0.08.0.07 .Mn.0.40.0.40.0.40 .Si.0.15.0.15.0.35 .Cr.-.-.2.00 .Mo.-.0.50.0.50
Patent GB-1195669-A (GB)
Title: Machine Tool E.G. for Milling, Grinding or Polishing a Workpiece
Inventor: CHARLES PAUL ANTHONY STUART
IPC: B23Q35/26
Filed: 1969-04-21
Abstract: 1,195,669. Electro-chemical machining. ROLLS-ROYCE Ltd. April 21, 1969, No.20250/69. Addition to 1, 167, 733. Heading C7B. [Also in Division B3] The subject matter of this Specification is closely similar to that of the parent Specification 1,167, 733 but differs in that means are provided for maintaining the feeler normal to the surface of the master (and not merely, as in the parent case, perpendicular to that surface in one direction only). To this end fluid passages 75, 76 (and 75<SP>1</SP> 76<SP>1</SP>) Fig. 3 (not shown) are provided in the feeler head 31 in two planes at right angles. 1,195,673. Electro-plating on to steel. HUTTENWERKE SIEGERLAND A. G. Jan. 8, 1969 [Jan. 12, 1968], No. 1246/69. Heading C7B. Sheet or strip steel is electrolytically coated in a continuous process with longitudinal strips of Cr and Sn by moving the sheet through a first station for electrolytic Cr plating the surface of the sheet while screening off a plurality of mutually parallel, spaced, longitudinal strips of the surface and through a second station for electrolytic Sn plating the surface while screening off the Cr plated strips For example, a web of sheet steel is (a) cathodically degreased using an alkaline bath at 70-80‹ C. and a current density of 30-35 A/dm<SP>2</SP>, (b) rinsed with water, (c) cathodically pickled in 15% HCl at 20‹ C. using a current density of 30A/dm<SP>2</SP>, (d) rinsed with water, (e) Cr electro-plated, while partly masked by U-shaped plastics screens disposed above and below the sheet's path, using a mixture of 300 g/l CrO 3  3 g/l H 2 SO 4  at 20-25‹ C. steel or Pb anodes and a current density of 30-35 A/dm<SP>2</SP>, (f) rinsed in water, (g) electrolessly pickled in HNO 3  to remove oxide from the non-chromium plated parts of the strip, the oxide having been formed during the Cr plating, (h) rinsed with water, (i) Sn electro-plated, while partly masked, using Sn anodes a bath containing Sn, phenol sulphonic acid and dihydroxydiphenylsulphone at 30‹ C. and a current density of 20-25 A/dm<SP>2</SP>, (j) washed with water, (k) dried (1) heated to above 231‹ C. by resistance heating, (m) tempered in water and (n) divided along the middle of the tinned strips and the resulting portions finished for use in the manufacture of solderable packagings.
Patent GB-674591-A (GB)
Title: Process for the production of phenylchlorosilanes
IPC: C07F7/12
Filed: 1950-08-16
Abstract: Polymeric organo silicon compounds in which the silicon atoms are linked together by phenylene radicals are obtained when a polysilane of the general formula R(2n+2)Sin in which n is an integer and has a value of at least 2 and each R represents a chlorine atom or a methyl radical, there being at least one chlorine atom per silicon atom, is reacted with benzene at a temperature of from 200 DEG  to 400 DEG  C. in the presence of aluminium chloride or a mixture containing boron trichloride and at least 50 per cent by weight of aluminium chloride. In example 1, a polymeric compound is obtained by heating hexachlorodisilane and benzene in the presence of aluminium chloride in a sealed bomb.  Reference has been directed by the Comptroller to Specification 684,638, [Group IV (b)].ALSO:Phenylchlorosilanes are prepared by reacting a polysilane of the general formula R(2n+2)Sin, or a mixture thereof, wherein the silicon atoms are linked through Si-Si bonds, R represents chlorine or a methyl radical, there being at least one chlorine atom per silicon atom, and n is an integer and has a value of at least 2, with benzene at a temperature of from 200 DEG  to 400 DEG  C. in the presence of aluminium chloride or a mixture containing boron trichloride and at least 50 per cent by weight of aluminium chloride.  Suitable polysilane reactants are Cl3Si.SiCl3, (CH3)2ClSi.Si(CH3)2Cl, (CH3)2ClSi.Si(Cl2)SiCl3 and CH3Cl2Si.Si(CH3Cl)SiCl2CH3.  The aluminium chloride or mixture of boron trichloride and aluminium chloride may be present in an amount from 0.1 to 5 per cent by weight based on the total weight of reactants.  In the examples phenyltrichlorosilane, <FORM:0674591/IV (b)/1> and <FORM:0674591/IV (b)/2> are obtained from the reaction of benzene and Cl3Si.SiCl3, a mixture of phenyldimethylchlorosilane and phenylmethyldichlorosilane is obtained from the reaction of benzene and a mixture of sym. and unsym. (CH3)2Cl4Si2, (CH3)4Cl2Si2 and (CH3)3Cl3Si2, phenyl-methyl-dichlorosilane is obtained from the reaction of sym. and unsym. (CH3)2Cl4Si2 and benzene, and phenyltrichlorosilane and diphenyldichlorosilane are obtained from the reaction of benzene and octachlorotrisilane.  Reference has been directed by the Comptroller to Specification 684,638.
Patent GB-1039938-A (GB)
Title: Corrosion inhibited cellulose ester solutions
IPC: D01F1/10
Filed: 1963-05-22
Abstract: A solution of an organic acid ester of cellulose in a halogen-containing organic solvent contains a minor proportion, e.g. 0.005 to 0.5% by weight of an organotin salt of a carboxylic acid as a corrosion inhibitor.  The carboxylic acid may be either a monocarboxylic acid, e.g. acetic, butyric, caproic, lauric, polmitic, oleic or behenic acid, or a dicarboxylic acid, e.g. maleic acid or fumaric acid.  The inhibitor may be an alkyltin maleate wherein the alkyl group contains about 2 to 20 carbon atoms, e.g. dibutyltin maleate.  Organotin salts of mixed maleic acid and a monocarboxylic acid are also suitable and may have the formula <FORM:1039938/C3/1> wherein R is an alkyl, aryl or aralkyl group and R1 is an alkyl radical.  The organotin inhibitor is preferably used in conjunction with a lower alkyl amine nitrite corrosion inhibitor, e.g. 0.001 to 0.1% of 2-hydroxy-propylamine nitrite. In the production of artificial filaments by dry spinning solutions of organic acid esters of cellulose the preferred solvents are chlorine substituted lower alkanes such as methylene chloride and ethylene dichloride.  When methylene chloride is used it may contain up to 20% by weight of a volatile alcohol, the percentage being based on the combined weights of methylene chloride and alcohol.  The cellulose ester may be the acetate, propionate, butyrate, acetate-propionate and acetate-butyrate, especially cellulose triacetate.  The presence of the organotin inhibitor prevents and reduces the corrosion of the stainless steel spinnerets used in dry spinning and the amine nitrite inhibitor if present enhances the inhibition of corrosion in a synergistic manner.
Patent GB-446053-A (GB)
Title: Improvements in and relating to film feeding devices for cinematograph appliances
IPC: G03B1/18
Filed: 1935-07-17
Abstract: 446,053. Kinematograph apparatus. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. July 17, 1935, No. 20394. Convention date, July 17, 1934. [Class 97 (i)] In beater feed-mechanism wherein the beater is rocked about a fixed axis by two cam surfaces forming the outer surfaces of discs, and makes the feeding movement at a greater speed than the return movement, each cam co-operates with an arm of a rocker coupled with the beater and having a pivot outside the cam surfaces. As shown, cams 7, 8 on a driven spindle 9, are engaged by laterally displaced arms 15, 16 of a rocker 13 on the spindle 14 of a beater 5. The cams are designed so that they constantly engage the arms and so that the feed movement of the beater takes place at a greater speed than the return movement. The cams and rocker may be enclosed in a casing filled with oil, and the beater may carry one or more teeth engaging film perforations towards the end of the operative stroke.
Patent GB-640655-A (GB)
Title: Improvements in or relating to planographic printing
IPC: B41N3/08
Filed: 1947-07-29
Abstract: 640,655. Printing-surfaces. INTERCHEMICAL CORPORATION. July 29, 1947, No. 20414. Convention date, Feb. 28, 1940. [Class 100 (ii)] [Also in Group XX] A planographic printing plate comprises a copper surface on a grained metal base, coated with a water-receptive chromium layer in the non-printing areas, the copper being exposed in the printing areas to act as the ink-bearing portion of the plate. A grained base member 11 of steel or the like is plated to yield a smooth back copper layer 13 to prevent rusting and a grained copper layer 12, over which is plated a deposit 14 of chromium. A sensitized coating 15, such as a solution comprising 3 ounces of a solution of 500 c.c. 16.5‹ Baume gum arabic solution, 230 c.c. 16.5‹ Baume ammonium bichromate solution and 25 c.c. 28 per cent ammonium hydroxide, with 1 ounce of 10 per cent polyvinyl alcohol, is deposited, as by spinning, on the chromium, and exposed to light through a positive transparency 16. The positive is removed, imperfections in the non- printing areas N painted out with lacquer, and the plate treated with a developing solution, which may comprise 950 c.c. 40‹ Baume calcium chloride solution and 50 c.c. 85 per cent lactic acid syrup, adjusted with water to 37‹ Baume, to remove the unexposed parts of the coating 15, leaving the hardened exposed coating on the areas N. The plate is etched with a solution which may comprise 3 volumes propylene glycol to 1 volume 37 per cent hydrochloric acid to remove the chromium in the printing areas P down to the copper, which is not affected. The lacquer and etch solution are removed with anhydrous alcohol. The plate is then coated with a thin film of water-resistant liquid asphaltum or varnish, which may comprise 70 grams phenol aldehyde resin, 10 grams dimethyl phthalate, 95 grams furfural and 25 grams benzaldehyde. After drying, a developing ink is applied comprising a conventional carbon black linseed oil lithographic ink thinned with turpentine. The hardened exposed coating 15 is dissolved with warm water, and the plate, the copper being protected by the varnish and ink, is etched to make it water-receptive with a desensitizing solution comprising ¢ to 1¢ volumes of a solution of 40-80 grams basic chromium sulphate, 6-18 grams 85 per cent phosplioric acid and 500 c.c. water to from 4 to 12 volumes of 14‹ Baume gum arabic solution at 25‹ C., which leaves a coating of gum arabic on the plate.
Patent GB-153128-A (GB)
Title: Improvements in and connected with ladders
IPC: E06C7/44
Filed: 1919-08-19
Abstract: 153,128. Downes, G. H. Aug. 19, 1919. L a d d e r s . - In ladders provided with an extensible foot, the foot i is attached to the nut j of a screw f, the toothed head d of which is provided with a locking-pawl h.
Patent GB-1095145-A (GB)
Title: Co-ordination compounds of manganese
IPC: C07F13/00
Filed: 1964-05-15
Abstract: Manganese compounds of formula HMn(CO)x(RIRIIRIIIZ)y where Z is phosphorus, antimony or arsenic, RI, RII and RIII are alkyl, aryl, cycloalkyl, aralkyl, alkaryl, alkoxy, aryloxy or hydrogen, or RII and RIII are alkyl, aryl, cycloalkyl, aralkyl, alkaryl or hydrogen and RI is -(CH2)nZRIVRV, where RIV and RV are alkyl, aryl, cycloalkyl, aralkyl, alkaryl, alkoxy, aryloxy or hydrogen and n is a whole number; x is 3 or 4, y is 1 or 2 with the proviso that when any of the groups RI, RII or RIII comprise alkox or aryloxy x is 3 and y is 2, and x+y=5 except that when RI is -(CH2)nZRIVRV x is and y is 1; are prepared by reacting manganese pentacarbonyl hydride with RIRIIRIIIZ or, for those compounds in which x is 3 and y is 2 and RI is not -(CH2)nZRIVRV by reacting HMn(CO)4 RIRIIRIIIZ with RIRIIRIIIZ. Cis- or transisomers may be obtained according to the temperature. The compounds in which x is 3 and y is 2 and those in which RI is -(CH2)n ZRIVRV are claimed per se.  Examples prepare HMn(CO)4[(C6H5)3P]; HMn(CO)3[(C6H5)3P]2; HMn(CO)3[(C6H5O)3P]2 (cis- and trans-); <FORM:1095145/C2/1> and HMn(CO)3[(C6H5O)2PCH3]2.  The novel products of the invention may be halogenated by means of highly halogenated hydrocarbons, e.g. CCl4 or CHCl3 or halogen. Examples thus prepare ClMn(CO)3[(C6H5)3P]2; BrMn(CO)3[(C6H5O)3P]2 (cis- and trans-); trans-IMn(CO)3[(C6H5O)3P]2 and <FORM:1095145/C2/2>
Patent GB-603073-A (GB)
Title: A fishing rod rest
IPC: A01K97/10
Filed: 1946-07-09
Abstract: An adjustable rest for a fishing rod comprises a screwed rod having a V-shaped fork at one end and co-operating with an internally threaded tube at the other, the tube carrying a spear at the end remote from the rod.  A hook for a keep net is attached to a sleeve which is screwed to the rod.
Patent GB-426462-A (GB)
Title: Hand power operated salt and vinegar shaker and sprinkling machine
IPC: A47G19/24
Filed: 1934-07-12
Abstract: 426,462. Cruet frames. SULLIVAN, B. J., 63, Wellington Street, and CHICK, E., 75, Wellington Street, Canton, Cardiff. July 12, 1934, No. 20422. [Class 128] [See also Group XVIII] Apparatus for sprinkling both vinegar and salt or pepper comprises a base B which is attached to a counter, a vertical tube A, two parallel wings C having oblique guide slots D, and a handle F fulcrumed at M on the wings and connected at its end by a link J to a rod I, carrying a coiled spring G housed in the tube A. The salt, &c., receptacles are placed inverted in clips K carried on the ends of a crosshead E the reduced ends of which project through the slots D and which is connected by a link L to the handle F. To dispense salt &c., the handle F is depressed against compression of the spring which bears against a pin H passing through the tube A. The spring returns the handle to the position shown. The clips K may be fitted with wing nuts and bolts. The wings, tube and base may be stamped or cut out of one piece of sheet metal, e.g. aluminium, or may be cast.
Patent GB-860683-A (GB)
Title: Improvements in or relating to screw-threaded ferromagnetic cores
Inventor: DE-SYLLAS PAN LAURENCE
IPC: H01F17/04
Filed: 1957-06-28
Abstract: 860,683. Inductors and transformers. PLESSEY CO. Ltd. June 30, 1958 [June 28, 1957], No. 20446/57. Class 38 (2). [Also in Group XXV] A screw-threaded magnetic ferrite or dust core 3 set in a predetermined position in a coil former 1 is locked by a longitudinal strip 4 of polyvinyl chloride or other elastomer formed on the core. The elastomer is applied in liquid form to give, after polymerizing under infra-red radiation, a solid strip of material.
Patent GB-1194861-A (GB)
Title: Detergent Bars
IPC: C11D1/37
Filed: 1967-05-03
Abstract: 1,194,861. Alkenyl sulphonates. COLGATE PALMOLIVE CO. 3 May, 1967 [10 May, 1966], No. 20472/67. Heading C2C. [Also in Division C5] An olefin sulphonate is prepared by reacting SO 3  and an olefin feedstock in about 1: 1 molar ratio. The olefin feedstock contains approx. 88% of terminally unsaturated straight-chain olefins of average molecular weight 230 and average chain-length 15-18 C atoms (C 15  24%; C 16  29%; C 17  30%; C 18  17%). The acid mix thus obtained is treated with oleum under non- hydrolyzing conditions and is finally neutralized with aqueous dilute NaOH. Reference has been directed by the Comptroller to Specification 1,151,052.
Patent GB-983766-A (GB)
Title: Improvements in or relating to electrical connections
Inventor: CHAMBERLAIN JOHN JOSEPH
IPC: H01R4/20
Filed: 1960-06-10
Abstract: 983,766. Jointing by stamping. ENGLISH ELECTRIC CO. Ltd. June 7, 1961 [June 10, 1960], No. 20480/60. Heading B3Q. [Also in Division H2] A tool 30 for crimping on electrical contact 10 (see Division H2) includes a housing 31 of circular cross-section formed with three radial slots 32 equally spaced around its circumference, each slot accommodating one of the jaws 33 engaging at their outer ends in cam slots 49 in a boss 45 rotatable on the housing and formed integral with a lever 44. A further lever 40 is keyed to the housing so that when the two levers are moved apart the jaws 33 are cammed radially outwards. The contact member 10 is then inserted in a centre hole 54, being located therein by a flange 17, and the levers 40, 44 are moved together to force the jaws inwards, whereupon teeth 55, 56, 57 on each jaw form the crimps. Each jaw has at least two teeth of substantially pyramidal or frusto-pyramidal form.
Patent GB-659595-A (GB)
Title: Improvements relating to the feed mechanism of planing and like machines
IPC: B23Q5/22
Filed: 1949-08-08
Abstract: 659,595. Planing-machines. RICHARDS & CO., Ltd., G., and ARDERN, S. O. Aug. 8, 1949, No. 20544. [Class 83 (iii)] A power-operated feed mechanism for a planing or like machine comprises a shaft i rotated through a differential gear d from a feed motor or from a reset motor which returns the feed setting mechanism to its original position and the shaft carries a pair of discs j and o carrying strikers x and r which operate switches q and s to cut out the reset and feed motors, respectively ; the reset disc can be adjusted angularly relatively to the feed trip disc o to determine the amount of feed at each operation, by a gear m journalled in the feed trip disc and the angular movement of the feed trip disc indicates the actual amount of feed given. One sun-wheel c of the differential is driven by the feed motor through the wormwheel a and the planet carrier d is driven by the reset motor through the worm-wheel e, the drive then being transmitted through the other sun-wheel f and by chain and sprocket to the shaft i; an adjustable eccentricallymounted sprocket z tensions the chain. A clamping knob w secures the two discs and o together after adjustment by the knob p and gear m and a dial plate v reading against a fixed index mark indicates the amount of feed. The feed motor is started by a striker on the machine table just before the end of the return stroke of the table and, as well as applying the desired amount of feed for the next cutting stroke, it rotates the discs and o in one direction until the striker r operates the switch s, just before the tool contacts the work on the cutting stroke, and stops the feed motor. Auxiliary contacts in the reset motor circuit then start up the reset motor (or it may be started towards the end of the cutting stroke by a second striker on the table) and the discs are rotated back to their starting position, where the striker x operates the switch q to stop the reset motor. Limit switches t and u bring both motors to rest if the strikers fail to operate their respective switches. Specifica. tion 550,119 is referred to.
Patent GB-844403-A (GB)
Title: Improvements in or relating to cooking utensils
IPC: A47J36/16
Filed: 1957-07-01
Abstract: 844,403. Anti-adhesion materials for use in baking. JONES, H. D. June 27, 1958 [July 1, 1957; Nov. 2, 1957; Nov. 4, 1957; Nov. 15,1957; April 28, 1958], Nos. 20624/57, 34269/57, 34281/57, 35585/57 and 13360/58. Class 28(1). [Also in Group XVII] A removable lining for the bottom of a cooking utensil consists of a metal disc coated 1 on one side with a substance 2 to which food will not stick and having a folding or detachable handle 3. The lining may have an upstanding rim and may be coated with organo-siloxane resins polytetrafluorethylene or other synthetic plastic. The coating is brushed or sprayed on to the lining in the form of a varnish or emulsion or is applied in sheet form. The lining may be roughened and rendered porous, e.g. by spraying with metal, e.g. aluminium on aluminium, steel or iron, or by sintering, grinding, etching, or electrolytic action. According to the first, second, fourth and fifth Provisional Specifications, polytrifluorochlorethylene may be used as an anti-stick material.