baber/WOPTO huggingface dataset:
Patent GB-1395994-A (GB)
Title: Tocopherol derivative processes for making it and pharmaceutical  compositions containing it
IPC: C07D311/72
Filed: 1972-08-23
Abstract: 1395994 Tocopherol esters DELMAR CHEMICALS Ltd 22 Nov 1973 [23 Aug 1972] 39248/72 Heading C2V The novel d,l-α-tocopherol ester of α-(pchlorophenoxy)isobutyric acid is prepared (a) by reacting d,l-α-tocopherol with a reactive derivative of α-(p-chlorophenoxy(isobutyric acid or (b) by reacting the sodium salt of α-tocopherol with α-(p-chlorophenoxy)isobutyryl chloride. Pharmaceutical compositions having activity against coronary artery disease and artherosclerosis comprise, as active ingredient, the above ester, in admixture with a pharmaceutically acceptable carrier.
Patent GB-1164020-A (GB)
Title: Improvements in or relating to Machines for the manufacture of Pastries
Inventor: HODGE LESLIE VICTOR
IPC: A21C11/16
Filed: 1967-08-29
Abstract: 1,164,020. Moulding pastry. L. V. HODGE. 14 Feb., 1968 [29 Aug., 1967], No. 39386/67. Heading B5A. A length of pastry is wound into spiral conical form by hand-feeding on to a former supported on a chuck 18 mounted on a shaft 10 which is simultaneously axially displaced and rotated. The shaft 10 is rotated by engagement at a splined portion thereof with a drive-ring 12 which is rotated on one end of a tubular support 4 by a drive from a reversible motor, simultaneous axial displacement of the shaft 10 resulting from the engagement of a threaded portion 9 thereof with at least one bearing ball 8 housed within the other end of the support 4. The pastry is wound on outward movement of shaft 10 from a machine housing 5 as determined by a limit switch 24, whereupon the former and pastry spiral is removed. Reenergization of the motor from a switch 26 automatically reverses the rotation thereof until halted by limit switch 25, whereupon the motor is again similarly reversed. The former is resiliently held on the chuck 18 by rubber rings 22, and an O-ring seal 21 between the support 4 and a rearward chuck extension 20 prevents ingress of pastry to the machine mechanism.
Patent GB-837399-A (GB)
Title: Improvements in or relating to connections to pipe lines
Inventor: MOMBERG WILLEM
IPC: B23B41/08
Filed: 1958-12-09
Abstract: 837,399. Pipe connections. INDUSTRIELE ONDERNEMING WAVIN N.V. Dec. 9, 1958, No. 39679/58. Class 99(1). A branch pipe is connected to a main 1 whilst the latter is in use by a fitting with mating saddles 2, 3 the former being integral with a body 6 in which a plug 8 with a cutter 10 can be screwed downward to trepan the pipe 1. The mating surfaces 13, 14 form a simple stop valve and when in the open position the plug 8 backseats on the cap 18. A sealing ring 15 is provided. If desired the plug 8 can seat directly on the pipe 1 in the shut position.
Patent GB-1400531-A (GB)
Title: Viscosity pump
IPC: F04D7/00
Filed: 1972-08-25
Abstract: 1400531 Viscosity pumps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 25 Aug 1972 [31 Aug 1971] 39730/72 Heading F1C In a viscosity pump, the rotor and the housing have a pair of co-operating surfaces in one of which is formed shallow pumping grooves which communicate at one end with a liquid inlet and at the other end with a liquid outlet, a portion of each groove adjacent the outlet being shallower than the rest of the groove so as to have a throttling effect on the flow along the groove such that a variation in the distance between the cooperating surfaces results in a pressure variation in the groove. A cylindrical rotor 1, Fig.2, comprises three pumping grooves 3 separated by lands 6, and three pumping grooves 4 separated by lands 7. Supply ports on the cylindrical housing (not shown) communicate with circumferential grooves 8, 9, each of which communicates via three axial grooves 8' or 9' with the inlet ends of the pumping grooves 3, 4. An outlet port on the housing communicates with a circumferential groove 5, which communicates via three axial grooves 10 and three axial grooves 11 with the outlet ends of the pumping grooves 3, 4. A shallow portion 22 at the outlet end of each pumping groove 3, 4 affords a restriction to flow which causes an increase or decrease in pressure in the corresponding pumping groove in the event of a decrease or increase respectively in the radial clearance between that region of the rotor and the housing, whereby displacement of the rotor from the central position produces a force tending to centralize it. The rotor may be of double-conical form, Fig.6 (not shown) or may be of disc form as shown in Fig.7. In this embodiment, spiral pumping grooves 45, 46 are provided on the housing, and there may be a gradual, rather than an abrupt, transition to the shallow portion 53 at the outlet end of each pumping groove. An inlet duct communicates via a chamber 48 with the pumping grooves 46 and via ducts 51  in the rotor 41 and a chamber 47 with the pumping grooves 45. The shallow portions 53 produce a restoring force on the rotor 41 in the event of an axial displacement. The pumping grooves 45 are formed on a plate 55 which is carried by a diaphragm 56. A liquid or pneumatic pressure exerted via a duct 58 on the underside of the diaphragm 56 tends to displace the plate 55 upwardly to reduce the clearance between the pumping grooves 45, 46 and the rotor 41, whereby the shallow portions 53 produce an increase in the pumping pressure in the grooves, this increase tending to oppose the upward displacement of the plate 55. The pumping pressure is thereby governed to be equal to the hydraulic or pneumatic pressure applied to the diaphragm and can therefore be varied by varying the latter pressure. An adjustable spring force can be used instead of a hydraulic or pneumatic pressure. In a pump having a conical rotor, Fig.8 (not shown), the pumping pressure is regulated in this manner by displacing the entire conical housing axially.
Patent GB-1520432-A (GB)
Title: Apparatus for providing information relating to the flow of a fluid
IPC: A61B5/087
Filed: 1975-09-29
Abstract: 1520432 Monitoring the flow of breath PURITAN-BENNETT CORP 29 Sept 1975 39752/75 Headings G1N(A) and GIN(E) In a device for monitoring the flow of breath in a tube, the breath linearly displaces sections of an apertured or foraminous plate 15 within the tube. The displacement is monitored by magnetic capacitative or optical means to provide information about possible pulmonary disorders. (The patient blows into the device at 1). The diaphragm 15 may take the form of a central foraminous portion, Fig. 8, joined to an outside ring by arcuate shaped arms 24, 25, 26, which allow for any movement due to the breath pressure. Alternatively the diaphragm may be of the form shown in Fig. 10 which has a centremount form of suspension Fig. 9 (not shown). The diaphragm can have a ring of ferromagnetic material about its periphery and may be mounted above an electrical core 16 Fig. 4. The core may comprise an "E-core" having a pair of electrically conductive coils 17 and 18. The coils are supplied with an A.C. voltage, and electric detecting means (not shown) are employed to determine the degree of imbalance of the inductances in two segments of the core. The detecting means provide an output signal proportional to the displacement of the diaphragm. In a capacitative method of measuring the displacement Fig. 11 (not shown) two pairs of annular capacitative plates (52), (50) and (51), (53) are used. Each "innermost" capacitative plate being attached to the diaphragm. The device is initially calibrated so that there is no difference in capacitance between the two sets of plates. The arrangement is monitored electronically and any subsequent imbalance during use is proportional to the diaphragm displacement.
Patent GB-869104-A (GB)
Title: Horizontal casting of metals
IPC: B22D11/047
Filed: 1959-11-24
Abstract: 869,104. Continuous-casting machines. SOC. D'ELECTRO-CHIMIE, D'ELECTROMETALLURGIE ET DES ACIERIES ELECTRIQUES D'UGINE. Nov. 24, 1959 [Nov. 27, 1958], No. 39914/59. Addition to 806,313. Class 83 (1). A modification of the casting machine of the parent Specification consists in providing a mandrel 13 within the mould 7 to enable tubes to be cast. The metal or graphite mandrel has internal cooling passages 17, 18 and has a rib 16 to make a fluid-tight joint with the asbestos container wall 5. The metal or graphite mould 7 has cooling passages 8, 10. To prevent the tube shrinking on to the mandrel, the latter has a conical head 15. The container is strengthened by a grid 20. An asbestos sleeve 14 protects the mandrel. In a modification, the asbestos sleeve 14, Fig. 2, abuts the head of the mandrel. In a further modification, the head 35, Fig. 3, of the mandrel is clamped against the asbestos sleeve 34, there being an interposed asbestos washer 38.
Patent GB-1098586-A (GB)
Title: Improvements in or relating to internal shoe drum brakes
Inventor: CHOUINGS LESLIE CYRIL
IPC: F16D65/09
Filed: 1965-09-20
Abstract: 1,098,586. Internal shoe drum brakes. AUTOMOTIVE PRODUCTS CO. Ltd. Aug. 11, 1966 [Sept. 20, 1965], No. 39944/65. Heading F2E. An internal shoe drum brake for tractors and like vehicles comprises a stationary drum 17 and a shoe carrier 13 which is rotatable with but axially slidable on the shaft 11 to be braked, a pair of shoes 15, 16 engaging an anchor pin 19 on the shoe carrier, counterbalance weights 27 pivoted on pins 28 on the shoe carrier and having extensions 29 whose ends 30 engage apertures in the shoes, whereby the shoes are prevented from expanding under centrifugal force, and applying means for the shoes comprising a spreading lever 38 and bifurcated link 39 engaged between the two shoes, the free end of the lever being engaged, on a diameter of the brake carrier passing through the anchor pin 19, by a lever 51 which is in turn engaged by a thrust ring assembly movable axially of the brake whereby, on brake application, the shoe carrier moves axially and a wear ring 68 of anti-friction material engages a plate 18. The brake is preferably of the floating shoe type, as shown, the floating shoe ends being interconnected by an adjustable strut 21 whose length is automatically adjusted by a pawl 66 carried by the lever 51 and engaging ratchet teeth 67 formed on a sleeve forming part of the strut 21, the sleeve having internal threads of opposite hand engaged by correspondingly threaded tappets which are pivoted to the respective shoes. The thrust ring assembly consists of a ring 56, rotatable with but axially slidable on the shaft, and a ring 58 which is held against rotation by engagement of its lugs 61 with the bifurcated ends of an operating lever 62 pivoted at 63 in the drum, the ring 58 carrying a disc of anti-friction material 59. A brake-release spring 31 is coiled around the counterweight pivots 28 and engages the extensions 29. Spring-loaded retaining pins 35 hold the shoes laterally against abutment surfaces upstanding from the shoe carrier 13.
Patent GB-1144807-A (GB)
Title: Shirt collar construction
IPC: A41B1/00
Filed: 1966-09-07
Abstract: 1,144,807. Shirt collars. S. D. BLUE. 7 Sept., 1966 [29 Sept., 1965], No. 40019/66. Heading A3V. The collar of a collar-attached shirt has elongated semi-rigid means incorporated in the cape portion which extend at least a short distance from locations at or adjacent the front edges of the cape portion, straddling the junction between the cape and neckband portions so that when in wear the cape portion is turned down over the neckband portion the then upper edge of the semi-rigid means defines the fold line. Suggested semi-rigid means include thin sheets of polyethylene, cellulose acetate, polypropylene, nylon and woven cloth coated with thermoplastic material. As shown, Figs. 3 and 4, a semi-rigid stiffener 50, 150 is fused or sewn to an interlining 34, 134, with its warp in the direction arrowed if it is of woven material, and may be extended to form an edge stiffener 152 which may be notched at the junction of the parts 150, 152. In further forms, the stiffener extends as far as the collar points (Fig. 5, not shown) and for a substantial distance longitudinally of the cape portions of the collar (Fig. 6, not shown). Preferably these forms are secured to a supplementary interlining (235), (335) fused to the underside of the interlining (234), (334) and having its warp direction generally perpendicular to that of the stiffeners. The stiffener of Fig. 6 may be extended to overlie the neckband portion, Fig. 7 (not shown). Fig. 8 shows stiffeners 550 secured to the interlining 522 of a sports shirt collar in which the cape and neckband portions are integral, the neckband portion tapering away to nothing at the front edges of the collar.
Patent GB-1086277-A (GB)
Title: Method of producing phthalic anhydride
IPC: B01J27/199
Filed: 1965-09-21
Abstract: Phthalic anhydride is made by vapour phase oxidation of o-xylene (I) at 400-500 DEG  C. using 4-8 1. O2/g. I and space velocity (4-10) x 103 hours-1, in presence of a carrier-supported catalyst comprising 100 mols V2O5, 5-100 mols WO3, 1-10 mols P2O5 and 1-30 mols Na2O.ALSO:A carrier-supported catalyst, for oxidising o-xylene to phthalic anhydride, comprises 100 mols V2O5, 1-30 mols Na2O, and optionally (a) 1-10 mols Na2So4 or K2So4, and/or (b) 1-15 mols MgO, TiO2, ZrO2, SnO2 or MnO.  Specified carriers are fused Al2O3, SiC, SiO2 and pumice.
Patent GB-1438717-A (GB)
Title: Lens pinhole spatial filter units for coherent light
IPC: G02B5/00
Filed: 1973-08-24
Abstract: 1438717 Optical apparatus JODON ENG ASSOCIATES AG 24 Aug 1973 [30 Aug 1972]  40264/73 Heading G2J A lens-pinhole spatial filter unit for producing a diverging, disturbance-free, spherical wave from an incident laser beam 9 comprises an objective, e.g. microscope objective 1, a support tube 2 secured at one end to the objective, and a pinhole support plate 6 provided with a pinhole disc 8 and mounted at the other end of tube 2 by means of an intermediate plastics layer 5. The pinhole 7 is at the focal point of objective 1.  An adjustable mount for the apparatus is shown in Fig. 2 and comprises a column 21 on which is fixed a clamp device 22 which carries a slide bar 23 having a toothed rack 24. A magnetic block 25 is mounted on bar 23 with which it is in contact via two upper surfaces 28 and three points 26 in a vertical plane. The other side of block 25 supports in a similar manner another slide bar 30 also having a toothed rack 31. A shaft carrying pinions 33, 35 operated by knobs 32, 34 respectively causes bar 30 to be displaced in the X or Y directions. The upper end of bar 30 is fixed to a base-plate 46 on which rests a bracket 43 via a three point contact adjustable for rotation # by knob 47. A plate 40 is in contact with bracket 43 by a further three point contact adjustable for rotation # by knob 44. The objective-pinhole unit of Fig. 1 is screwed into a mount 37 which is screwed at one side into the plate 40. In use, to illuminate a target area from a distance with a laser spherical wave free from field disturbances, the objective-pinhole unit is set at the  required distance from the Target in a pivotable and displaceable holder (e.g. as in Fig. 2) with its optical axis 39 parallel to the laser beam, whereafter the cone of light is centred on the target area by parallel displacement of the objective-pinhole unit in the X- and Y- directions such that the axis 39 and the laser beam are coaxial. A method of making the lens-pinhole spatial filter unit described above comprises the steps of mounting the tube 2 with objective 1 on a pivotable and displaceable holder (e.g. as in Fig. 2) on which is secured a fine displacement device which holds firmly the pinhole support plate 6 provided with the pinhole disc 8 and which is movable in three mutually perpendicular directions so that there is an annular gap between the end of the support tube 2 and the pinhole support plate 6; placing a hardenable plastics layer 5 in the gap; aligning the optical axis of the objective 1 with the laser beam by means of the pivotable and displaceable holder; displacing the pinhole support plate 6 by means of the fine displacement device until the centre of the pinhole 7 is at the focal point of the objective 1 and hardening the plastics layer 5.
Patent GB-954341-A (GB)
Title: Crystallization of urea
IPC: C07C273/16
Filed: 1962-10-25
Abstract: Urea is crystallised from a biuret-containing urea solution in a cyclic and continuous process by introducing the solution into a crystallised working in vacuo and at at least 90 DEG C., removing formed urea crystals and part of the mother liquor from the crystalliser, and removing biuret from this part of the mother liquor which is then recirculated to the crystalliser, the rate of crystal formation in the crystalliser and the rate of removal of biuret from the mother liquid outside the crystalliser being such that the biuret content of the mother liquor in the crystalliser is maintained at not more than 25% by weight. French Specification 1,127,788 is referred to.
Patent GB-1407615-A (GB)
Title: Soluble aromatic polyamides and filaments with a high modulus of elasticity produced from them
IPC: D01F6/60
Filed: 1972-09-01
Abstract: 1407615 Aromatic polyamides BAYER AG 1 Sept 1972 [3 Sept 1971] 40575/72 Heading C3R An aromatic polyamide having a relative viscosity (0À5% in NMP at 25‹ C.) of 1À7 to 3À2 and which is soluble in polar organic solvents but can be spun into filaments comprises recurring units where X is -CONH- or -NHCO-; Ar is a divalent aromatic radical; R 1  and R 2  are independently H, Ha or C 1-4  alkyl or alkoxy; R 3  is as R 1  or is -CN,-COOR 4 , or -CONR 5 R 6 ; R 4  is H or C 1-4  alkyl; and R 5  and R 6  are independently H, C 1-4  alkyl or aryl. They may be prepared by polycondensing at least one diamine with at least one aromatic dicarboxylic acid dihalide at - 30‹ to 150‹ C. in a polar organic solvent. Known methods of preparing such diamines are described. Preferred acid halides are terephthalic, diphenyl-4,4<SP>1</SP>-dicarboxylic and naphthalene-2,6-dicarboxylic acid dichloride or dibromide. Certain such polyamides when prepared by the methods of Specifications 1,260,362 and 1,246,168 are disclaimed. Fibres may be spun directly from the solutions in the reaction solvent, after neutralizing HCl with an alkylene oxide or amine if necessary, or they may be precipitated, e.g. with water, alcohols or ketones, dried, and redissolved in the same or a different solvent.
Patent GB-967876-A (GB)
Title: Chlorine manufacture
Inventor: BROOKES RICHARD
IPC: C01B7/05
Filed: 1961-11-14
Abstract: Cupric chloride is produced in admixture with an alkali or alkaline earth metal chloride and ammonia is evolved by passing a stream of dry oxygen over a mixture of cuprous, ammonium and alkali or alkaline earth metal chloride on a support of alumina and/or silica at a temperature of 200-235 DEG C.  The mixture of cupric and alkali or alkaline earth metal chloride formed is heated at a temperature of above 500 DEG C., conveniently in a stream of an inert gas, to produce chlorine as a desirable product and a residual mixture of cuprous and alkali or alkaline earth metal chloride which is recycled. The ammonia evolved is recycled after conversion to ammonium chloride.  The alkali or alkaline earth metal chloride may be calcium, potassium or sodium chloride. Cupric chloride may be produced from 25-30 % mol. each of ammonium and cuprous chloride and 40-50% mol. of potassium chloride.  Specification 956,598 is referred to.
Patent GB-1503222-A (GB)
Title: Acylation of pyrrole derivatives
IPC: C07C303/00
Filed: 1975-03-06
Abstract: 1503222 Acylation of pyrroles ETHYL CORP 6 March 1975 40813/77 Divided out of 1503221 Heading C2C Pyrrole derivatives, e.g. 1-alkylpyrrole-2- acetonitriles, are acylated by reaction with a mixed anhydride of an aromatic carboxylic acid and a sulphonic acid, e.g. p-toluic methane sulphonic anhydride.
Patent GB-1374711-A (GB)
Title: Data collection installations
IPC: G05B15/02
Filed: 1972-09-04
Abstract: 1374711 Selective signalling VDO ADOLF SCHINDLING AG 4 Sept 1972 [4 Sept 1971] 40910/72 Heading G4H A data collection installation for monitoring production machines has a central processing unit and a plurality of consoles into which production data is introduced on first lines which are connected to second lines from which the data is sent to the central unit via transmission conductors fed from digital multiplexors controlled from the central unit via address lines. The output of a clock-driven first counter at the central unit is supplied in parallel to all the consoles in each of which it is compared with the console's address. On equality, an AND gate is partially enabled so that if the console requires to transmit data, the gate is fully enabled to energize a request line to stop the counting at the central unit and start a second counter at the central unit which supplies parallel address signals to the console. These address signals control four digital multiplexors, each having two sections, each section controlled by (the same) one stage of the counter, the two sections being selected in turn by the second stage of the counter, each multiplexor connecting respective ones of the second lines in turn to a respective one of four transmission conductors going to the central unit where the data is punched on to tape. At the end of data transmission, the request line or the tape punch unit (recognizing an end signal) stops the second counter and the first counter resumes. The first and second lines at a console are at right angles and on opposite sides of a replaceable plate, connected by platedthrough holes.
Patent GB-1275912-A (GB)
Title: Improvements in or relating to portable liquid flow measuring apparatus
Inventor: WALL REGINALD VICTOR
IPC: G01F1/11
Filed: 1968-08-29
Abstract: 1275912 Measuring liquid flow velocity PLESSEY CO Ltd 27 Aug 1969 [29 Aug 1968] 41251/68 Headings G1N and G1R [Also in Division G4j Portable apparatus for taking liquid flow measurements comprises (1) a lower submersible casing 1, carrying a flow velocity responsive meter 8, 9 and means responsive to the depth of the liquid, and (2) an upper casing housing an indicator 23 connected to the meter for indicating a flow condition at a selected, predetermined depth of the liquid. The meter comprises a propeller 9 with a magnet operating a dry reed switch in a housing 8 and the casing 1 has a slot allowing the housing 8 to slide on a vertical guide therein under the control of a float sliding on an adjacent guide. The upper casing has two handles 17, 18, housing a width measurement tape 19 and clutch 29 therefore. A battery powered electric analogue computer in the upper casing enables the volume rate of flow of a stream to be integrated by summing rates measured in succession over equal increments W/N of its width W. The width W is measured with the tape 19, being silmultaneously transduced into a voltage by a wiper sweeping a potentiometer and fed to the computer, together with the number N of increments selected for dividing the width W. The apparatus is then positioned near the bank for a first velocity reading, the float 14 moving a wiper 15 over a potentiometer set to apply a voltage representing the depth to the computer and also a voltage representing a fraction of the depth e.g. 0À6D (where the velocity approximates the average over whole depth range) to servo mechanism for adjusting the meter 8, 9 to that depth, the reed switch producing a square-wave voltage fed by a cable to the computer for conversion to a voltage representing the flow rate V. The computer   multiplies V, W/N and D, and a button 24 is pressed to enter the product in a counter 23 where it remains when a reset control 25 clears the computer. This operation is performed for each of the N incremental widths and the final total represents the average volume rate of flow of the stream.