baber/WOPTO huggingface dataset:
Patent GB-1391053-A (GB)
Title: Device for the extraction of blood
IPC: A61B5/15
Filed: 1972-02-27
Abstract: 1391053 Device for extracting blood W SARSTEDT 27 Feb 1972 41689/74 Divided out of 1390621 Heading A5R [Also in Division B2] A device for extracting blood from the human body comprises a tube 1b closed at one end and provided with a piston guided in a fluid-tight manner in the tube, there being a hollow piston rod communicating with the interior of the tube and projecting from the open end of the tube for connection to a hollow needle, the tube containing a chemically inert granular substance 18 which serves as a separating medium for the two blood fractions 16, 17 obtained on processing in the tube a blood sample extracted by the device, the granular substance 18 consisting of a synthetic plastics material the specific gravity of which lies between that of the blood fractions to be obtained. The substance may have a coating of a chemical (unspecified) which inhibits or accelerates blood coagulation.
Patent GB-1299039-A (GB)
Title: Valve construction
Inventor: CZUSZAK C C
IPC: F01D17/14
Filed: 1971-09-07
Abstract: 1299039 Engine stop gear; turbine stop gear CARRIER CORP 7 Sept 1971 [24 Nov 1970] 41726/71 Headings F1K and F1T [Also in Division F2] A valve for controlling a steam turbine, comprises a valving member (14), Fig. 1 (not shown) which is manually controllable by way of a screw spindle 20 and which, when the spindle screw is rendered inoperative, is biased towards its seat by a spring 50, The spindle is normally screw - threadedly engaged by two half nuts 35, 37 and is restricted in its movement in the opening direction by a releasable detent, the imposed restriction ensuring that the spindle does not cause the valvemember to jam against the valve housing 22. The detent consists of a pawl 61 which is spring- urged into engagement with a recess in the spindle top part 65 so as to prevent further rotation of the spindle in the opening direction. The spindle part 65 also includes a cam surface which disengages the pawl when the spindle is allowed to move downwardly under the action of spring 50. As described in Specification 1174551, the spindle screw is rendered inoperative by withdrawing a rod 48 and hence allowing a plate 33 to rotate under the influence of a spring, not shown, rotation of the plate being transmitted, by camming pins 40, into a lateral displacement of the half nuts 35, 37. Such lateral displacement disengages the screw connection between the spindle and the half-nuts. Movement of the rod 48 is initiated on the turbine reaching excessive speeds.
Patent GB-1474702-A (GB)
Title: Concrete and cement additives
IPC: C04B7/00
Filed: 1974-09-25
Abstract: 1474702 Cement composition H JAKLIN 25 Sept 1974 [25 Sept 1973] 41733/74 Heading C1H A concrete or mortar composition of improved resistance to corrosive liquids (e.g. acids, brines and sulphate-containing waters) comprises cement, calcium sulphate, water and at least 0À5% by weight (based on the cement) of one or more sparingly soluble barium compounds selected from barium oxalate, barium fluoride and a barium silicate hydrate having a BaO : SiO 2  mole ratio of 0À5 : 1 to 1À2 : 1. The cement is preferably selected from Portland cements, iron Portland cements, blast furnace cements and tross cements (Puzzolan cements), to which also raw flour or fly ash can be added. Fillers which may be present in the composition are sand, gravel, tross, expanded clay, foam lava, pumice, foamed polystyrene, cork and polyurethane foams.
Patent GB-1071460-A (GB)
Title: Improvements in uhf-vhf tuners
IPC: H03J1/14
Filed: 1965-10-04
Abstract: 1,071,460. Television tuners. GENERAL ELECTRIC CO. Oct. 4, 1965 [Oct. 30, 1964], No. 41927/65. Heading H3Q. In a combined V.H.F. and U.H.F. television tuner, the channels in the V.H.F. tuner 1 are selected by means of a rotary shaft 2 and are indicated as numerals V on disc 22 which appear in window 24. This tuner also has a U.H.F. position for which the disc 22 is provided with a window 25 whereby a U.H.F. scale V is then exposed to view. A further shaft 9 operated by second knob 17 is normally loaded by spring 14 so that clutch member 11 engages a second clutch member 15 attached to shaft 8, whereby U.H.F. tuner 7 is adjusted. Shaft G is also provided with a flywheel 13. The U.H.F. tuning position is indicated by means of scale U, carried by member 26, attached to gear member 27, which is free to rotate about sleeve 6 on shaft 2, being driven from the U.H.F. tuner by gear mechanism 28. If knob 17 is pulled out, clutch 11, 15 disengages and gearteeth 18 on the member 11 engage an idler gear 19: this is in permanent engagement with gear 21 attached to sleeve 6, whereby the V.H.F. fine tuner 4 may be adjusted through the intermediary of gears 5.
Patent GB-1356825-A (GB)
Title: Method for the setting of fabrics and in apparatus therefor
IPC: D06C7/02
Filed: 1971-09-09
Abstract: 1356825 Finishing fabrics T C CHADWICK 8 Sept 1972 [9 Sept 1971] 42019/71 Heading D1S A fabric 1 of thermoplastic or thermosetting plastics material is set by passing the fabric 1 over at least one heated cylinder b, maintaining the fabric 1 in contact with the cylinder(s) b by an endless blanket or blankets c, continuously transferring the fabric from the cylinder(s) b to a heated chamber B<SP>1</SP> through which the fabric passes on a divergent stenter frame d and passing the fabric through a cooling zone D<SP>1</SP> before it passes to a batch roll D<SP>2</SP>. As shown, a polyester or polyamide sailcloth fabric 1 passes from a roll A over guide and tension rolls a, a<SP>1</SP> or rods into a chamber B in which the fabric passes around two heated cylinders b. Optionally, each blanket C has individual pressure control to control the degree of shrinkage. The cylinders b are maintained at 180‹-220‹C. The fabric 1 passes through a heating chamber B<SP>1</SP> whilst held on a divergent stenter frame d having pins or clips. The chamber B<SP>1</SP> is heated to a temperature of 160-230‹C by a fan or fans b<SP>1</SP> or heat exchangers. The fabric 1 passes through a still air zone D and into a cooling chamber D<SP>1</SP> maintained at a temperature below 80‹C by a fan b<SP>2</SP>. Heat insulation c is provided on the walls of the chambers B, B<SP>1</SP>, D<SP>1</SP>. A sensor D<SP>3</SP> controls motors driving the cylinders b and the stenter chains to adjust the fabric tension therebetween. Specified fabrics are knitted, woven or non- woven fabric of polyester, polyamide or triacetate fibres.
Patent GB-1148905-A (GB)
Title: Improvements in or relating to fuel injection pumps
Inventor: BARBER STANLEY FREDERICK
IPC: F02M41/14
Filed: 1965-10-05
Abstract: 1,148,905. Fuel injection pumps. C. A. V. Ltd. Sept.19, 1966 [Oct. 5, 1965], No. 42139/65. Heading F1A. In a fuel injection pump comprising pistons 10 reciprocated in a rotating distributer 11 by an annular cam 12 which is angularly adjusted, to vary the pump timing in accordance with engine speed, by the delivery pressure of a feed pump 14 acting on a piston 13, the delivery pressure of pump 14 being dependent on engine speed, a valve A is located between pump 14 and piston 13 and operates such that piston 13 remains in its retarded position during starting until the engine speed rises above its idling speed, the valve then opening so that the delivery pressure from pump 14 advances piston 13 at idling speed and above. The valve has a ball 4, Fig. 3, biased on to its seat 3 by a spring-loaded plunger 5. The delivery pressure of pump 14 acts to unseat ball 4 when the engine is above idling speed during starting, and the larger exposed area of plunger 5 prevents closure of ball 4 when the speed falls to idling. The valve A also prevents the reaction forces of the pump pistons on cam 12 from moving piston 13 against feed pump pressure.
Patent GB-1032035-A (GB)
Title: Treatment of alcohol-containing feedstocks prior to catalytic dehydrogenation
Inventor: GATHERN REGINALD JOHN
IPC: C07C45/00
Filed: 1962-11-09
Abstract: In a process for the improvement of a crude mixture of a cycloaliphatic alcohol and a cycloaliphatic ketone a mixture thereof is subjected to distillation in the absence of molecular oxygen and/or in the presence of an oxygen-scouring substance, for example sodium sulphite, to give a distillate comprising cycloaliphatic alcohol.  The distillation may be effected in the presence of an inert gas, for example, nitrogen.  The distillate may then be dehydrated in the presence of a suitable dehydrogenation catalyst, such as copper, brass or zinc oxide, to convert the alcohol to ketone.
Patent GB-1078231-A (GB)
Title: Improvements relating to photographic compositions, elements and processes
IPC: G03C1/492
Filed: 1964-10-20
Abstract: 1,078,231. Photo-soluble silver halide compositions. E.I. DU PONT DE NEMOURS & CO. Oct. 20, 1964 [Oct. 21, 1963], No. 42746/64. Addition to 1, 031, 902. Heading G2C. A silver halide composition which on exposure to light followed by development with a silver halide solvent forms a positive silver halide image, similar to that described in Specification 1, 031, 902, comprises as the compound rendering the silver halide photo-soluble, a mercapto compound of the formula.- where R is an unsubstituted or substituted hydrocarbon radical of 4 to 12 carbon atoms. The composition is prepared by adding the mercaptan or a sodium, potassium or ammonium salt thereof in the desired amount to a silver halide emulsion either by mixing or bathing the emulsion in a solution of the compound. Specified R groups are alkyl, alphanaphthyl, diphenyl; p-bromophenyl, tolyl, cyclohexy, p-nitrophenyl and methyl cyclohexyl. The silver halide image may be fogged and developed to a silver image e. g. with hydroquinone, metol, sodium hydrosulphite or stannous chloride or a colour developer. The development may be enhanced by treating the residual silver halide with alcohol, thiourea or potassium iodide. The silver halide image may be toned with sodium sulphide or selenide.
Patent GB-1345748-A (GB)
Title: Surface-patterned surface-activated polymer film
IPC: B29C67/00
Filed: 1971-09-14
Abstract: 1345748 Polymer film E I DU PONT DE NEMOURS & CO 14 Sept 1971 [9 Oct 1970] 42793/71 Heading B5B [Also in Division H1] A polymer film suitable for use in electrical insulation systems comprises a film having at least one surface which has been activated by chemical etching or electrostatic discharge treatment and at least one surface which has a pattern in the form of a plurality of ribs or grooves each of which extends generally transverse of the film from at least one edge thereof. The surface patterning of the film may be formed during the film casting or moulding process or may be formed by embossing a preformed flat film. The surface activation treatment may be with a corona discharge or by etching the surface of the film with, for example, an alkali metal in liquid ammonia or sodium naphthalene in dimethylglycol ether. Suitable polymers are polyolefins, polycarbonates and fluorocarbon polymers. When used in tape form as a wrapping for primary electrical insulation of an electrical cable the polymer preferably has a dielectric constant of less than 4À0 and a dissipation factor of no greater than 0À002. The surface pattern permits the penetration of oil between layers of the tape to displace all air bubbles and the surface activation increases the affinity of the dielectric oil and polymer film for one another to give improved performance of the insulator. Examples relate to the treatment of ribbed tetrafluoroethylene / hexafluoropropylene copolymer, polyethylene, polycarbonate and polyethylene terephthalate tapes to a corona discharge and to the chemical etching of a ribbed PTFE film with a 2% THF solution of sodium 1-methylnaphthalene at room temperature.
Patent GB-1469229-A (GB)
Title: Structural assemblies for building construction
IPC: E06B1/00
Filed: 1974-03-04
Abstract: 1469229 Cavity closers RADWAY PLASTICS LTD 4 March 1974 [6 Dec 1972] 43100/76 Divided out of 1469228 Heading E1B The subject matter of this Specification is identical to that of Specification 1469228 but the claims are directed to the fact that the adapter portion 18 bridges the cavity. Reference has been directed by the comptroller to Specifications 1302694, 1302695, 1302696 and 1340331.
Patent GB-1072567-A (GB)
Title: Improvements in or relating to frequency discriminator circuits
Inventor: PINTO JAMES JOSEPH
IPC: H03D3/14
Filed: 1964-10-23
Abstract: 1,072,567. Frequency tests. K.P.E. CONTROLS Ltd. Oct. 1, 1965 [Oct. 23, 1964], No. 43377/64. Heading G1U. [Also in Divisions H3 and H4] A frequency sensitive circuit comprises a squaring circuit (4) Fig. 1 (not shown), preceded if necessary by an amplifier, (2) the constant amplitude pulses produced by the squaring circuit being used to charge a capacitor which is continuously discharged by a constant bleed current. The squaring circuit may comprise a Schmitt trigger circuit with a Zener diode (24) across its output load (23), Fig.4 (not shown). In Fig. 5 (not shown), square pulses at the input terminal (5) charge a capacitor (28) which is in series with a Zener diode (34) providing bias for output emitter followers (30 and 31). A bleed transistor (29) has its base connected to a potentiometer (38) connected across the Zener diode (34). This arrangement acts as a sensitive frequency switch, the output being low if the input frequency is below a critical value determined by the setting of potentiometer 38 and rising to the pulse amplitude at frequencies above the critical value.
Patent GB-1025675-A (GB)
Title: Surface treatment of oxymethylene polymers
Inventor: PAIST W
IPC: C08J7/14
Filed: 1962-11-19
Abstract: A process for the treatment of the surface of a shaped article, which surface is composed of an oxymethylene polymer, comprises applying thereto an organic acid having an ionization constant of at least 1 x 10-3 until a surface roughness not exceeding 10 micro-inches is produced so as to improve the adherence of coating materials to the surface.  The organic acid is preferably an allylbenzene sulphonic acid or mono- or tri-chloroacetic acid, and is used in solution in an organic solvent.  The oxymethylene polymers may be copolymers of formaldehyde with cyclic ethers.
Patent GB-873794-A (GB)
Title: Improvements in covers for heterogeneous nuclear reactors
IPC: G21C13/06
Filed: 1959-12-23
Abstract: 873,794. Nuclear reactors. ALLMANNA SVENSKA ELEKTRISKA A.B. Dec. 23, 1959 [Dec. 30, 1958], No. 43646/59. Class 39(4). The cover of the pressure vessel of a reactor employing heavy water as moderator and as coolant comprises a flat vessel for containing, a radiation protection liquid and consists of an upper plate 1 and bottom plate 2 having extending therebetween a number of channels for the passage of fuel elements. The plates 1, 2 are of carbon steel and each passage comprises an outer tube 4 of carbon steel and an inner tube 5 of stainless steel, the lower side of the plate 2 which is in contact with the water being clad with a stainless steel layer 3. The tube 4 is welded at 6 to the plate 1 and has a flange 7 clad with a stainless steel layer 8. A slot 9 is in the tube 5 receives a split ring 10 embraced by a stainless steel ring 11 which abuts the layer 8 and is welded at the layer 3. The lower end of the tube 5 is welded at 16 to the ring 11. A torque from the tube 5 is transmitted to the plate I by external teeth 12 on the tube 5 engaging slots 14 in a ring 13 welded at 17 to the plate 1.
Patent GB-1343107-A (GB)
Title: Method of inhibiting the growth of bacteria and fungi
IPC: C07F7/18
Filed: 1972-09-21
Abstract: 1343107 Biocidal application of organo silicon amines DOW CORNING CORP 21 Sept 1972 [29 Sept 1971] 43687/72 Heading A5E A method of inhibiting the growth of bacteria and fungi comprises contacting said organisms with an effective amount of an organosilicone amine of the formula: or copolymers thereof containing at least 5 mol percent total (1) and (2) siloxane units in which the sum of n+m is not greater than 2, the remaining siloxane units in said copolymers being of the formula R''' b SiO 4-b , #2 in which compounds R is a monovalent hydrocarbon radical of from 1 to 20 carbon atoms, R' is -(CH 2 ) 3 - or -CH 2 CH(CH 3 ) CH 2 -, X is an alkoxy radical or alkoxyalkoxy radical of 1 to 6 carbon atoms, R" and R"' are each independently monovalent hydrocarbon radicals of 1 to 6 carbon atoms, the CF 3 CH 2 CH 2 - radical or an OH radical, a is 0, 1 or 2, n is 0, 1 or 2, m is 0, 1, 2 or 3, b is 0, 1, 2 or 3, or acid salts of said amines in which at least one of the amine nitrogens is converted to a salt of the formula #N . HY in which Y is an anion of a monocarboxylic acid, a strong mineral acid or a sulphonic acid.
Patent GB-1475673-A (GB)
Title: Sugarcane harvester
IPC: A01D45/10
Filed: 1974-10-09
Abstract: 1475673 Sugar-cane harvester MINISTERIO DE LA INDUSTRIA SIDERO MECANICA 27 Aug 1975 43748/72 Heading A1F A sugar-cane harvester has a frontal subframe, pivoted at 20 about the main chassis 23, and raised or lowered by a cylinder 9 being partially supported by tension springs 11, the sub-frame, carrying a pair of contrarotating disc cutters 18 and a pair of skids 1 independently supported on the sub-frame by hydraulic cylinders 15 and compression springs 16 bearing down on the rear of the skids 1, the cylinders 15 being connected in parallel allowing fluid to flow from one cylinder to the other so that the skids follow closely any undulations in the ground. The skids 1 are pivoted at 13 to arms 14 pivoted at 17 to the sub-frame, the cylinders 15 being connected between the sub-frame and the arms 14 and the spring 16 being connected between the arms 14 and the skids. In use the tops of the sugar-cane are pushed forward by a bar 5 before being cut by disc cutters 18 having triangular shaped blades, and which rotate in a plane inclined 8 to 12‹ from the horizontal. An auxiliary cutter 8 with rectangular shaped blades 34 cuts overhanging cane on the right hand side against an edge of the sub-frame. Conveyors 2 transport the cut cane to be billetted by a pair of cutter drums 7 having blades 8 making angles of 20 to 30‹ with the drum radii. The billets are transferred to a vehicle alongside and at the top of the mat of cane is levelled by a cutter drum 30. A deflector drum 28 directs the cane into a hopper 29 where it meets a counter flow air blast from a fan 22 which ejects the leaves from a chute 26. The billets are transferred to a vehicle alongside by a conveyor 27. The harvester is powered by a motor 25.
Patent GB-958739-A (GB)
Title: Improvements in or relating to bar screens
IPC: B07B13/07
Filed: 1962-11-21
Abstract: 958,739. Screening apparatus. STAMICARBON N.V. Nov. 21, 1962 [Nov. 28, 1961], No. 44072/62. Heading B2H. A screen 3 for separating material of widelydiverging grain size, such as coal, consists of parallel or nearly-parallel bars with certain bars 9 held at one or both ends for supporting relatively coarse pieces of material and intervening bars 11 which are held at one end only and less resistant to flexure. The bars 11, as shown in Fig. 3, are secured to a bridge piece 5 by clamping plates 12 and the bars 9 secured by welding with their tops at a higher level than those of the bars 11 ; a tapered stiffening rib 10 may be provided under each bar 9. The material is conveyed to a series of screens 3 which are arranged to slope downwardly and overlap one another.
Patent GB-1524256-A (GB)
Title: Compressor unit
IPC: F04B39/16
Filed: 1975-10-29
Abstract: 1524256 Motor compressors; silencing gaseous flow DANFOSS AS 29 Oct 1975 [30 Oct 1974] 44663/75 Headings F1B and FIN [Also in Divisions B1 and F4] A motor compressor unit for use in a refrigerant circuit comprises a casing 4 containing a motor compressor 5 and a gas discharge or suction sound absorbing chamber 21 filled with a drying agent 26. Screens 24 and 25 located near the inlet and outlet ends respectively of the chamber 21 are provided for retaining the drying agent 26. The drying agent may be molecular sieve material in particulate form or a formed filter as described in Specification 1432383. The heat of compression is transferred from the compression cylinder 14 to the chamber 21 through a heat conducting member 27.
Patent GB-1440217-A (GB)
Title: Compositions
IPC: A23K1/00
Filed: 1973-09-26
Abstract: 1440217 Polyamides IMPERIAL CHEMICAL INDUSTRIES Ltd 19 Sept 1974 [26 Sept 1973] 45089/73 Heading C3R [Also in Division A5] Polymeric material comprising amide repeat units having the structure wherein the groups R 1 , which may be the same or different, are hydrogen or hydrocarbyl or substituted hydrocarbyl groups, and A and B are divalent groups one or both of which includes the group II wherein the groups R 2 , which may be the same or different, are hydrogen or hydrocarbyl or substituted hydrocarbyl groups, the proportion of nitrogen in the polymeric material derived from the group II being in the range of from 2 to 10% by weight of the polymeric material may be prepared by condensing in substantially equimolar proportions at least one diamine having the structure NHR 1 -A-NHR 1 , or amide-forming derivative thereof, and at least one diacid having the structure or amide forming derivative thereof, optionally together with other polycondensable materials wherein R 1 , R 2 , A and B are as above defined, the diamine and diacid, or amide forming derivatives thereof, being selected to provide a proportion of nitrogen in the polymeric material derived from the group having the structure II in the range 2 to 10% by weight of polymeric material. Examples relate to the preparation of polymers from (1) N,N<SP>1</SP>-bis(3-aminopropyl)- piperazine and dodecanedioic acid by melt condensation, (2) N,N<SP>1</SP>-bis(3 - aminopropyl)- piperazine and dodecanedioic acid chloride by interfacial condensation, (3) N,N<SP>1</SP>-bis(3-aminopropyl(piperazine, hexamethylene diamine and dodecanedioic acid by melt condensation and (4) N,N<SP>1</SP>-bis-(3-aminopropyl)piperazine, auccinic anhydride, hexamethylene diamine and nonane diamine. The polymers are used as carriers for biologically active composition (see Division A5).
Patent GB-1454364-A (GB)
Title: Printing machine apparatus for treating slide specimens
IPC: B41L19/00
Filed: 1972-10-02
Abstract: 1454364 Travelling-cylinder machine RAPID DATA SYSTEMS INTERNATIONAL Ltd 29 Nov 1973 [2 Oct 1972] 45270/72 Heading B6C A travelling-cylinder machine, which is essentially suited for printing on to documents from an embossed card includes a movable carriage 20 for an impression cylinder 21 and a handle 22 attached to the carriage for the imprinting stroke, the handle 22 also being pivotable to urge the impression cylinder 21 from an inoperative position clear of the platen (2), Fig. 3 (not shown), into a position where it contacts a card supported by the platen, the handle being resiliently biased towards the inoperative position by springs 51. In the particular embodiment, a head (10), Figs. 1 and 4 (not shown) is pivoted about eccentricallymounted axle 7, biased to an inoperative position, Fig. 1, by springs 42, and held in operative position by coacting latch surfaces 30, 31 and 32, 33. The carriage 20 is mounted in head (10) by means of roller pairs 17, 18 travelling in guideways (14, 15), Fig. 4. The height of carriage 20 above platen (2) may be adjusted using eccentrically-journalled shaft 26, whose mounting pins 26a form axles for the rollers 18, and clamp screw 27.
Patent GB-1460577-A (GB)
Title: Antibacterial compsotions
IPC: A61K31/545
Filed: 1973-09-28
Abstract: 1460577 Antibacterial compositions BEECHAM GROUP Ltd 22 Aug 1974 (28 Sept 1973] 455O4/ Heading A5B Pharmaceutical compositions having antibacterial activity comprise a derivative of naphthylpenicillin of the formula: or a salt thereof (e.g. alkali metal, especially the sodium salt) together with either (a) cephaloridine or (b) cephalothin or a salt thereof (e.g. alkali metal, especially the sodium salt), together with a pharmaceutically acceptable vehicle. The compositions are preferably in forms suitable for administration by injection or infusion.