baber/WOPTO huggingface dataset:
Patent GB-1268208-A (GB)
Title: Stabilization of polymeric compositions
IPC: C08K5/58
Filed: 1969-04-08
Abstract: 1,268,208. Stabilization of halogen containing polymers. M. & T. INTERNATIONAL N.V. 8 April, 1969 [8 April, 1968], No. 17839/69. Heading C3P.  Halogen containing polymers are stabilized against heat by incorporation of (a) a compound of the formula (RSnX 1.5 ) n  wherein X is sulphur or a mixture of 1-10 parts of oxygen and 10-1 parts of sulphur and n is an integer 2-1000, and (b) a compound of the formula wherein R and R<SP>1</SP> are independently C 1-20  alkyl, aryl, aralkyl, alkaryl or cycloalkyl; Y is OOCR<SP>1</SP>COOR or OOCR<SP>11</SP>COO or and g = 4, a = 1-3, b # 1 and m = 2 or 3 except when Y is OOCR<SP>11</SP>COO when g = 3 and a = 2, and R<SP>11</SP> = alkenylene, arylene, alkarylene, arylalkenylene or cycloalkenylene. Examples describe the treatment of vinyl chloride homopolymer with (a) butylthiostannoic acid and (b) dibutyltin maleate, bis-(tributyltin)- maleate, dibutyltin bis-(iso octyl maleate), din-octyltin maleate, dibutyltin bis-(isopropylmaleate), bis-(dibutyltin laurate) maleate, dibutyltin bis-(benzyl maleate) or dibutyltin bis- (cyclohexyl maleate); and the treatment of vinylchloride-vinyl acetate copolymer with (a) butylthiostannoic acid and (b) dibutyltin bis- (isooctylmaleate), di-n-octyltin maleate, dibutyltin bis.(isopropylmaleate), bis-(dibutyltin laurate)-maleate, dibutyltin bis-(benzyl maleate) or dibutyltin bis-(cyolohexyl maleate). Other specified stabilizer systems are (1) butyl thiostannoic acid and dibutyltin bis-(isooctyl maleate), (2) butyl thiostannoic acid and di-noctyltin bis-(isooctyl maleate), (3) butyl thiostannoic acid and dimethyl tin bis-(isooctyl maleate), (4) butyl thiostannoic acid and di-noctyltin bis-(isooctyl maleate), (5) octylthiostannoic acid di-n-octyltin bis-(isooctyl maleate) and (6) cyclohexyl thiostannoic acid and di-n - octyltin bis-(iso-octyl maleate):
Patent GB-380790-A (GB)
Title: A machine for moulding concrete blocks and the like
IPC: B28B7/08
Filed: 1931-06-20
Abstract: 380,790. Moulding concrete &c. blocks. BAILEY, C., Crete House, Broadway, Chilcompton, Bath. June 20, 1931, No. 17880. [Class 87 (ii).] In a moulding machine in which the front and base are fixed together and are hinged to eject the moulded concrete &c. block, the front side a, shown in open and closed position in Fig. 1, and base al of the mould box are hinged on a bar e adjustable in bearings o, the front being provided with slots d along which the base is slidable to adjust the depth of the mould box. The base rests on bearers q, which may be adjusted laterally, distance pieces r being provided in accordance with the position of the base a<1>. The sides g are fixed and the back p is made adjustable. The front side a is provided with levers j having adjustable stops k which engage lugs l on the sides in the closed position of the box. One or more division plates y, Fig. 2, are fixed to the bearers and a tamp v provided with lateral lugs x for engaging the top edges of the sides and front is pivoted to a bracket t of the stand s.
Patent GB-204146-A (GB)
Title: Improvements relating to electric switches
IPC: H01H50/32
Filed: 1922-06-29
Abstract: 204,146. Calvete, I. June 29, 1922. Addition to 153,787. Electromagnetic switches.- In the remotelycontrolled electromagnetic switch described in the parent Specification the upper pole piece of the electromagnet a is formed with two triangular projections b, b<1> between which is pivoted at c<1> a magnetic member e. A flat spring f secured centrally on the member e has its free end projecting between two pins on the tilting armature d which is pivoted in the lower pole piece c. The spring f biasses the member e towards one or other of the projections b, b<1> and when the electromagnet a is energized the member e is magnetically held in the biassed position and the armature d is attracted across its dead-centre position until its upper end comes into contact with the lower curved face of the member e. On de energization of the electromagnet a the armature d falls, completing its motion, and by means of the spring f tilts the member e against the opposite polar projection in readiness for a subsequernt sequence of operations in the opposite direction on further energization of the electromagnet. The armature d is connected to a pivoted switch blade h by a link g which has a pin-and-slot lost-motion connection to permit free initial motion of the armature.
Patent GB-383583-A (GB)
Title: Improvements in and relating to card index apparatus
IPC: B42F17/28
Filed: 1932-06-24
Abstract: 383,583. Card indexes. JOHNSTON, C. L. and COHN, M. M., 1504, Russ Building, San Francisco, U.S.A. June 24, 1932, No. 17889. [Class 146 (i).] A card index of the visible type comprises a flexible endless carrier to which the index cards are attached by their lower edges, the cards being provided with bendable indices-bearing portions which are automatically moved to a displayed position. A carrier E, Fig. 2, comprises an endless rubber band stiffened at each edge with fabric 14, and passing over rollers 4, 9, 12 mounted on a stand. Roller 4 is rotated by hand and rollers 9, 12 rotate freely, roller 9 which engages the flexible centre 15 of the carrier being mounted eccentrically to the other, so that the centre of the carrier is lifted. The cards F are made from a single blank, stamped, scored, and folded as shown in Fig. 8, so as to leave recesses 23, retaining lugs 24, a folded edge 28 depending into the opening at the lower edge of the card, and an indiciabearing portion 19a between folds 18, 19 at the upper edge of the card. The card is placed on the carrier by engaging the belt E with the recesses 23 and retaining lugs 24. When the carrier is full the cards will lie essentially parallel as at 30 along the straight parts of the belt, but while passing over the pulleys 9, 12 will take up a radial position, owing to the curvature of the belt and the fact that there are four thicknesses of card along the line 32 and only two along the line 34 corresponding to the edges 20, 17, Fig. 8. At the same time the edge 28 of the card is raised by the raised portion 15 of the belt so that the portion 19a is correspondingly tilted into an easily read position, as at 20a. Additional or duplicate cards 40 can be slid inside the folded card. The cards are easily removable from the belt by the folding back of one of the lugs 24, and can then be unfolded and inserted in a typewriter for the inscription of information.
Patent GB-1370759-A (GB)
Title: Fastening defice
IPC: F16B13/06
Filed: 1973-04-13
Abstract: 1370759 Screw sockets A FISCHER 13 April 1973 [26 April 1972] 17917/73 Heading F2H An expansible screw socket comprises an expansible close-coiled helical wire spring 1 and an expander nut 2 which is engageable by a screw-threaded member 3 to be anchored, whereby it can be drawn into and expand the insertion end 15 of the spring, the coils 12 of the spring remote from the insertion end 15 being secured together to form a substantially rigid sleeve 14. The coils are secured together by a thin sheet-metal strip (not shown) which is spot welded to each coil along the interior of the spring. The strip may have an annular flange at one end to cover the rear end of the spring 1 and act as a washer
Patent GB-1084056-A (GB)
IPC: G01N29/024
Filed: 1963-05-07
Abstract: 1,084,056. Acoustic velocity measurement; transistor oscillator circuits. PLESSEY-U.K. Ltd. May 1, 1964 [May 7, 1963], No. 17921/63. Headings H3T and H4D. An arrangement for determining the velocity of acoustic waves in a fluid (e.g. sea-water) comprises an electro-acoustic transducer 15 supported at a known distance from a reflector 23 the space therebetween being filled by the fluid (when the assembly is immersed therein) and the transducer being energized to emit an acoustic pulse by means of a generator 11 which is triggered by the reception by the transducer of pulses reflected by 23 so that the rate of operation of the generator is dependent on the transmission time of the acoustic energy over twice the distance between the transducer and the reflector. The assembly comprises a tubular body 10 housing transistorized electrical circuitry 11 and sealed by a plug 13 which is cut away as shown to allow the fluid pressure on both sides of the transducer unit to be equalized and to allow energy transmitted from the rear of the transducer to be dissipated. The transducer which comprises a disc of piezoelectric ceramic material both sides of which are silver plated to provide electrical contacts has a natural frequency of about 5 Mc/s. and is cemented in a recess 20 formed in a block 16 the reduced portion 17 of which forms a transmission diaphragm of about 0À005 inch thickness. The rear of the transducer is protected by filling the recess with a sealing medium. The reflector 23, which may have a plane reflecting surface as shown or alternatively may have a part-spherical or a conical surface (Figs. 1A and 1B, not shown) is formed integrally with a bridge member 22 mounted in fixed spaced relationship with transducer block 16 by means of two or more rigid bars 24 having a low temperature coefficient of expansion the precise path length between 16 and 23 being adjustable by means of shims 25. To reduce interference echoes from the bridge structure the reflecting surface is spaced several wavelengths from such structure. The electrical circuitry which comprises a free-running multivibrator (T2, T3), Fig. 2 (not shown), drives the transducer (15) through a stage (T1) triggered by a stage (T4) supplied with echo signals from the transducer in three-stage amplifier (T7, T6, T5) is connected to the transducer by means of a single cable 18 the return path being provided by the (metallic) frame of the assembly. A single pair of wires serves to connect the instrument to its power supply and to provide output signals indicative of the frequency of pulsing. The latter may be presented visually on a counter-type frequency meter or may be employed for automatically correcting the readings of other instruments such as are employed in oceanographic research for determination of sea-bed depth and structure.
Patent GB-545875-A (GB)
Title: Improvements in or relating to gas cookers
IPC: F24C15/32
Filed: 1940-12-20
Abstract: 545,875. Gas heated cookers. TURLEY & WILLIAMS, Ltd., SMITH, C. D., and OTTON, D. H. Dec. 20, 1940, No. 17976. [Class 126] The hot gases from an oven or chamber pass through side conduits 7 to a rear conduit 8 fitted with an exhaust nozzle 9 and so heat air entering through openings 13 in the outer side walls 3 and passing to a gas burner 5 arranged in an opening at the rear of the bottom wall of the oven. The inlets to conduits 7 consist of slots 12 extending along the sides of the oven for the greater part of its length. The inner walls of the oven above the conduits 7 are covered with heat insulating material 15. According to the Provisional Specification the hot gases flow around and through a drawer containing articles to be heated or kept hot.
Patent GB-1415995-A (GB)
Title: Magnetic tape cleaning and tensioning device
IPC: G11B23/50
Filed: 1974-04-24
Abstract: 1415995 Tape cartridges INTERNATIONAL BUSINESS MACHINES CORP 24 April 1974 [29 May 1973] 17988/74 Heading B8M [Also in Division G5] A resiliently-urged pad 23 cleans and tensions a magnetic tape 10 as it passes over a roller 15 towards a transducer 31 and tape driving means 32. The pad 23 preferably comprises two or more layers of polyester fibres and may be contained with the tape 10 in a cartridge 2.
Patent GB-1507932-A (GB)
Title: Polymerisation catalyst component
IPC: C08F4/60
Filed: 1975-04-30
Abstract: 1507932 Polymerisation catalyst STANDARD OIL CO 30 April 1975 [9 May 1974 31 March 1975] 18015/75 Heading B1E [Also in Division C3] A brown solid olefin polymerization catalyst component comprising beta-TiCl 3  and up to 10 mol % of an electron donor which is an ether, thioether, thiol, ketone, ester, amide, amine, phosphine, or stilbine, and having a surface area of above 50 m<SP>2</SP>/g and a pore volume of above 0.10 cc/g, is obtained by (i) reacting TiCl 4  and a trihydrocarbyl aluminium or a dihydrocarbylaluminium halide in an inert liquid at below 0‹C, (ii) heating the product to below 100‹C, (iii) treating the product with a solution of the electron donor in an inert solvent at ambient to 80‹C, (iv) treating the product with an electron acceptor selected from a titanium tetrahalide or tetraalkoxyhalide, AlBr 3 , GeCl 4 , and SiCl 4 , at ambient to 100‹C, the acceptor also being dissolved in an inert liquid, and (v) isolating the required particulate catalyst component. The electron donor is preferably an ether e.g. isopentyl ether.
Patent GB-579915-A (GB)
Title: Improvements in or relating to steam superheating arrangements for fire tube boilers
IPC: F22G7/02
Filed: 1944-09-21
Abstract: 579,915. Steam superheaters. ALLEY, S. E. Sept. 21, 1944, No. 18020. [Class 123 (iii)] A single-loop superheater tube 13, 14 located within a locomotive boiler fire tube 11Àis fitted with a metal shield 17 which extends along the superheater tube for about one-fifth to one-half of its length from the smoke-box end 10 and is provided with vanes 18 arranged obliquely with respect to the fire tube so as to deflect the flue gases upon the inner surface of the latter. The shield 17 is formed in opposed halves which bridge the two lengths 13, 14 of the superheater tube and are held together by bolts 19 passing between the latter, or, alternatively, are spot-welded to the superheater tube or to each other, and the vanes 18 are either inclinod downwardly from left to right on both half shields or else inclined downwardly on one side and upwardly on the other side. The invention is particularly applicable to fire tubes of a diameter capable of accommodating a two-loop superheater element. Specifications 28,607/11, [Class 123 (iii)], and 412,251 are referred to.
Patent GB-168304-A (GB)
Title: Improvements in or relating to a process for boiling fibrous materials and a device for carrying out the process
IPC: D06B5/00
Filed: 1921-07-04
Abstract: 168,304. Akt.-Ges. der Maschinenfabriken Escher, Wyss, et Cie. Aug. 21. 1920, [Convention date]. Digesters.-In a process and apparatus for alternating the flow of liquid in passing between the heater 21 and pump 24, and the digester, either enters the top of the digester by way of the crossover valve 23, pipe 26 and non-return valve 34, returning through pipes 28, 29 as shown, or, with the valve 23 moved through 90‹ enters the digester at the bottom through the pipe 28 and leaves at a point just above the half height through a strainer 31, non-return valve 33, cross-over 23, and pipe 29 to the heater 21.
Patent GB-297902-A (GB)
Title: Improvements relating to loom pickers
IPC: D03D49/36
Filed: 1927-07-08
Abstract: 297,902. Hollows, J. July 8, 1927. Pickers of the overhead or square headed type are constructed from a single blank shaped as shown at Fig. 1. The sides are folded successively at a and a' to give three thicknesses of material, the double fold being bent at right angles to the blank along the line a<2>, whilst the top portion is folded along the line a<3> and then bent at right angles to the blank at a<4>. The picker is then pressed and folded as usual, as shown in Figs. 4 and 6, and has a reduced thickness at the foot. It has strengthened parts for receiving the picking strap, and the picking spindle, and plenty of material is available for forming the solid body and striking portion.
Patent GB-584912-A (GB)
Title: Improvements in couplings for cables
IPC: H01R4/20
Filed: 1942-12-21
Abstract: 584,912. Cable couplings. CALLENDER'S CABLE & CONSTRUCTION CO., Ltd., BRAZIER, L. G., and HOLLINGSWORTH, D. T. Dec. 21, 1942, No. 18153. [Class 109] [Also in Group XXXVI] A cable is connected to another member by inserting its end in a socket 1 of ductile metal and squeezing the socket to form in succession two or more belts 4, 5, 6 of compression each comprising a group of circumferential grooves 7. The width and spacing of the grooves in each group is from 40 per cent. to 100 per cent. of the radial thickness of the socket, and the groups are spaced apart, by a distance greater than the thickness of the socket.
Patent GB-127780-A (GB)
Title: Perpetual Motion Engine.
Inventor: TATTERSALL WILLIAM HENRY STANF
IPC: F03B17/00
Filed: 1918-11-06
Abstract: 127,780. Tattersall, W. H. S. Nov. 6, 1918. Self-driving machines.-A turbine 1, being supplied with water by an accumulator 2, drives a rotary pump 3 drawing from the exhaust 10 and delivering to the accumulator.
Patent GB-962732-A (GB)
Title: Improvements in or relating to the growth of single crystals of corundum and gallium oxide
IPC: C30B9/12
Filed: 1961-05-18
Abstract: Single crystals of alumina or gallium oxide are grown by cooling a melt of the said material admixed with PbO and B2O3.  The crystal habit, rhombohedral or hexagonal plates, may be varied by adjustment of the composition of the PbO/B2O3 flux, the proportion of alumina or gallium oxide in the melt, and the temperature at which nucleation is allowed to take place. Cr2O3, Co2O3, Fe2O3 may be incorporated in the melt to produce synthetic garnets for maser applications. Rhombohedral crystals are grown by allowing nucleation to take place at 1300 DEG  C. in a mixture consisting by weight of 0.5-4 pts. B2O3, 50 pts. PbO and 6.7-6.85 pts. Al2O3 the preferred proportions being 1 pt. B2O3, 50 pts. PbO and 6.7 to 6.85 pts. Al2O3, 50 pts. PbO and 6.7 to 6.85 pts. Al2O3.  Hexagonal crystals are obtained over the composition range 3 to 5 pts. B2O3, 50 pts. PbO, 7.2 to 7.4 pts. Al2O, the preferred range being 4 pts. B2O3 50 pts. PbO, 7.3 pts. Al2O3, the nucleating temperature of 1225-1250 DEG  C. being employed.  Thus in Example 1 a mixture of 1 g. B2O3, 50 g. PbO 6.80 g. Al2O3 were heated in a Pt crucible to 1300 DEG  C. and maintained at that temperature for 8 hours.  The crucible was allowed to cool at 2 DEG  C. per hour to 915 DEG  C., whereupon the liquid contents were poured away and the solid remaining was allowed to reach room temperature. The solid crystals were treated with dilute HNO3 to effect removal of residual flux, yielding rhombohedral transparent crystals.  In Example 2 a mixture of 4 g. B2O3, 50 g. PbO and 7.30 g. Al2O3 were subjected to the above procedure to yield Al2O3 in the hexagonal habit.  Other examples refer to the production of coloured garnets by additives of Cr2O3, Co2O3, Fe2O3 and the gallium oxide crystallization process.
Patent GB-203827-A (GB)
Title: An improved transportable cold storage receptacle or hood specially suitable for storing or "hardening" ice cream
IPC: F25D3/04
Filed: 1922-07-03
Abstract: 203,827. Eskrigge, R. C. July 3, 1922. Refrigerators, domestic and like; covers provided with cooling means.-A receptacle for preserving ice-cream blocks comprises an inner sheetmetal casing 1 open at the front 2 and surrounded on the sides, rear and top by an outer sheet-metal casing 3 to form a jacket 4 for the reception of ice and salt or other freezing-mixture. The outer casing is encased with an insulation 5 of wood, cork slabs, &c. or loose insulation packed in a wooden casing. The top of the jacket is closed by a two-part door 6 hinged at the centre and at the rear. A drain cock 10 is provided at the lower part of the jacket and the open front of the casing 1 is closed bv a door 11 of metal or wood. Shelves 15 slidable on ribs 14 are provided to carry the blocks 16 of ice-cream. If the base 1<a> of the inner casing and that part of the insulation 5 be omitted, the device may be used as a hood for placing over a container of ice-cream in bulk. Reference has been directed by the Comptroller to Specifications 18155/91 and 480/02.
Patent GB-127493-A (GB)
Title: Improvements in Brake Shoes.
Inventor: WILSON FREDERICK PORTWAY
IPC: F16D65/06
Filed: 1918-11-06
Abstract: 127,493. Wilson, F. P., and Penning- ton, D. G. Nov. 6, 1918. Blocks and shoes.-Cast-iron or other castmetal brake shoes provided with a back of tougher metal, such as wrought iron or steel, have the back formed of expanded metal b, which is attached to the shoe by placing it in the mould into which the metal is run. If a separate attachment lug c is used, this may have inturned ends d, Fig. 5, which are passed through interstices of the back prior to casting the shoe. The lug may, however, be cast integral with the body of the shoe.
Patent GB-906131-A (GB)
Title: Improvements in portable power tools and containers therefor
Inventor: CARTER RONALD DAVID
IPC: B23B45/14
Filed: 1959-05-28
Abstract: 906,131. Lathes and drilling-machines. REVO ELECTRIC CO. Ltd. May 20, 1960 [May 28, 1959], No. 18182/59. Class 83 (3). [Also in Group XXIII] A portable machine, such as a lathe or drilling- machine, which is adapted to be driven by an electrically-operated hand-tool (not shown), is secured to the lid 14 of a box or container 13. The lid is secured by locating pegs and nuts 16 and may be turned over so that the machine is inside the container (broken lines, Fig. 3). A wall 18 of the box may be hinged down for access to a tray or the like 17.
Patent GB-1168227-A (GB)
Title: Substituted-C-Nor-Androstanes
IPC: C07J71/00
Filed: 1968-04-17
Abstract: 1,168,227. C-Nor-steroids. ABBOTT LABORATORIES. 17 April, 1968 [15 May, 1967], No. 18196/68. Heading C2C. Novel C-nor-steroids of the formula (I), wherein R is H 2 , H(OH) or O and R<SP>1</SP> is OH or O.CO.H, or R and R<SP>1</SP> together form a hemiacetal grouping of structure (II) and esters thereof derived from C 1-4  fatty acids are prepared as follows. 3α,11α,17# - trihydroxy - 13α - C - nor - 5# - androstane - 11#- carboxylic acid 11α,17-lactone is reduced with LiAlH 4  to form the required hemiacetal, this with lead tetraacetate gives 17#-formyloxy-3α- hydroxy 13-a-C-nor-5#-androstan-11-one, and this may be hydrolysed to the diol. The 11-keto group may be reduced with a metal hydride or removed by the Wolff-Kishner method. Esters are prepared by standard acylation procedures. The C-nor-steroids of the invention are antiandrogens, particularly useful for control of prostate growth in warm-blooded male animals. They may be administered subcutaneously as a solution or suspension in a non-toxic vegetable oil.
Patent GB-199611-A (GB)
Title: Can openers
IPC: B67B7/46
Filed: 1922-07-04
Abstract: 199,611. Pattberg, G. July 4, 1922. Opening by cutting.-An opener for cutting out the tops of cylindrical tins comprises a pair of handle members pivoted together at 3, Fig. 1, and provided with extensions one of which carries a pivoted link 8 supporting a cutter 10, Fig. 3, a guide roller 14 being mounted on the pivot 9, the other extension having secured to its underside a serrated part 6 adapted to grip the side of the tin. The cutter is pressed into the tin top, as at 20, and then by closing the handles against the action of the pivot spring 15 is made to cut round the top. of the tin.