baber/WOPTO huggingface dataset:
Patent GB-638415-A (GB)
Title: Improvements relating to the purification of n-[4-(-[2-amino-4-hydroxy-6-pyrimido[4,5-b]pyrazyl)methyl]-amino)-benzoyl]glutamic acid
Filed: 1946-11-05
Abstract: N - [4-{[2 - amino - 4 - hydroxy - 6 - pyrimido-[4,5-b] pyrazyl) methyl] amino} benzoyl] glutamic acid is purified and separated from biologically inactive impurities by dissolving a crude reaction mixture containing the same in water at a pH above 9 to a concentration of N-[4-{[(2-amino-4-hydroxy-6-pyrimido-[4,5-b] pyrazyl) methyl] amino} benzoyl] glutamic acid of between 0.1 and 0.6 mg./ml., adjusting the hydrogen ion concentration to about pH 7, removing insoluble impurities, adjusting the pH to about 3 or 4 to precipitate N-[4-{[(2-amino-4-hydroxy-6-pyrimido-[4,5-b]-pyrazyl) methyl] amino} benzoyl] glutamic acid, redissolving the precipitated product in water at a pH above 9, adding to the solution a quantity of activated charcoal not in excess of about twice the weight of N-[4-{[(2-amino-4-hydroxy-6 - pyrimido - [4,5-b] - pyrazyl) methyl] amino} benzoyl] glutamic acid contained therein, removing the charcoal and impurities adsorbed thereon from the alkaline solution, adjusting the pH of the solution to between 3 and 4 and recovering the precipitated product.  Specification 638,411 is referred to.
Patent GB-815550-A (GB)
Title: Check valve
IPC: F16K15/06
Filed: 1956-10-29
Abstract: 815,550. Valves. AEROQUIP CORPORATION. Oct. 29, 1956 [April 24, 1956], No. 32968/56. Class 135. A check valve comprises a pair of casing members 10, 12 with end fitting 11, 13, respectively, for coupling to a pipe, a spider member 14, a teardrop-shaped poppet 16 having an axial bore 30 receiving a hollow stem 15 which is secured to the hub 26 of the spider 14 by a shank 29, and a light coil spring 31 housed in the hollow stem 15 for biasing the poppet towards its seat 22. A slight radial clearance is provided in the fit of stem 15 within the bore 30, so that air pocketed in the bore may escape slowly as the valve opens, providing a dashpot action to prevent vibration and chattering of the poppet. The two casing members are sealed when coupled together by a gasket 32.
Patent GB-295884-A (GB)
Title: Process for the manufacture of margarine and similar butter-like edible fats
IPC: A23D7/01
Filed: 1927-12-06
Abstract: 295,884. Reddie, L. N., (Akt.-Ges. fiir Medizinische Produkte Chemische Fabrik). Dec. 6, 1927. Emulsions, making.-In connection with the manufacture of margarine, &c. mixtures of a small amount of fat with lecithin and cholesterol and/or phytosterol are obtained by alcoholic extraction from animal and/or vegetable oils or fats, and such mixtures can be emulsified in large quantities of water to produce creamy emulsions.
Patent GB-358322-A (GB)
Title: Improvements in caps and clips for fountain pens
IPC: B43K25/02
Filed: 1930-11-03
Abstract: 358,322. Devices for retaining pens in pockets. WATANABE, A., 2607, Miyanaka, Nishisugamo-Machi, Kitatoshima-Gori, Tokio-Fu, and SEISAKUJO, K. K. N., 3, 3-Chome, Minami-Denma-Cho, Kyobashi- Ku, Tokio-Shi, both in Japan. Nov. 3, 1930, No. 33043. [Class 43.] A fountain pen clip 4 is formed with a bent portion having a perforation 5, and is attached to a pen by passing the bent portion through a slot 6 in a pen cap 1 and securing it to the inner bottom surface of the bore of the cap by means of a screw 3 passing through the perforation 5 into a threaded hole 2, with or without a washer 7 interposed. The clip carries a bulbous enlargement, and the width of the bent portion is smaller than the inner diameter of the bore of the cap.
Patent GB-431312-A (GB)
Title: Improvements in or relating to carbon arc lamps
IPC: H05B31/18
Filed: 1934-11-16
Abstract: 431,312. Arc lamps. ZEISS IKON AKT.-GES., 72, Schandauerstrasse, Dresden, Germany. Nov. 16, 1934, No. 33069. Convention date, Nov. 16, 1933. [Class 39 (i)] In a projection arc lamp the negative carbon holder is adjustably mounted on the body of the lamp by a guiding member on the latter which engages in an undercut slot or groove on the carbon holder, the slot or groove having an enlargement through which the guiding member may pass. As shown in Fig. 1 a bracket 2 is secured to the lamp mounting and carries the driving gear 3, 4 which engages the rack 12 on the negative carbon holder. The latter comprises a movable part 11 with an upper portion of reduced diameter, sliding within a sleeve 6 which is detachably mounted on the bracket 2 by means of a screw head 16 engaging an undercut slot 7 in the sleeve 6. The slot 7 is provided with an enlargement 7a, shown in section on the line A-B in Fig. 8, which enables the screw-head 16 to enter the slot. A rack 9 on the member 2 and a corresponding screw spindle 8 on the sleeve 6 provide a lateral movement of the sleeve, which locks it to the lamp mounting. The clamping member 15 for the carbon carries an eccentric lever 14, and is adjustable by means of a set screw 17 passing through a slot in the member 15.
Patent GB-1519438-A (GB)
Title: Dielectric compositions
IPC: H01B3/20
Filed: 1975-07-07
Abstract: 1519438 Dielectric liquids RHONE-POULENC INDUSTRIES 7 July 1975 [28 May 1975] 33176/77 Divided out of 1513675 Heading C5F [Also in Division C2] A liquid dielectric composition comprises a known dielectric liquid and at least one monocyanoterphenyl. A mixture of isomeric monocyanoterphenyls may be used. The first-mentioned component may be a mineral oil, castor oil, a chlorobiphenyl, an ester of an organic acid, an aromatic hydrocarbon or an alkylated aromatic hydrocarbon. The composition may also contain a substance, e.g. a silicone oil, that will lower the surface tension, an antioxidant, an epoxide or more than one of these.
Patent GB-521312-A (GB)
Title: Improvements in and relating to elevators and conveyors
IPC: B65G17/04
Filed: 1938-11-15
Abstract: 521,312. Endless-belt conveyers. JENNER, C. E., and JENNER, Ltd., A. & C. Nov. 15, 1938, No. 33202. [Class 78 (i)] In a conveyer of the type in which an endless belt 5 is connected at intervals to endless chains so that it sags between the connections to form carrying pockets 6 for articles or material and the sag of the pockets is eliminated by contact with a roller at the delivery point to eject the articles therefrom, the delivery roller 14 is a rotary drum of greater diameter than the adjacent chain sprockets and is partially encircled by the belt, whereby the slack is taken up temporarily and the articles &c. thrown off. On the return run the wall 15 keeps the sagging portions closely folded as shown. A member 17 may co-operate with side projections 16 on the belt to re-form the pockets at the commencement of the carrying run.
Patent GB-1153477-A (GB)
Title: Improvements in Systems and Apparatus for Lubricating
Inventor: WOOR DENIS FREDERICK
IPC: B60R17/02
Filed: 1965-08-03
Abstract: 1,153,477. Lubricating. TECALEMIT (ENG.) Ltd. 1 Aug., 1966 [3 Aug., 1965], No. 33256/65. Heading F2A. A lubrication system comprises a pulse generator 10, a signalling device 12 sending a signal for each specific number of pulses received, lubricating means 20 supplying quantities of lubricant in response to each signal received. The device 12 includes a blocking oscillator formed by a feed-back transformer which is magnetized in steps by successive pulses and produces an output pulse on core saturation. The pulse generator 10 comprises a magnet (14, Fig. 1, not shown) and a pick-up (16) mounted respectively on relatively moving parts of the apparatus. The lubricating means of Fig. 4 (not shown) comprises a solenoidoperated pump (32) which pumps lubricant to a ring pipe (38) containing manifolds (40, 42) provided with capillary metering units (46). Metering units (54, Fig. 5, not shown) comprise a valve and a spring-loaded piston (60).
Patent GB-1192790-A (GB)
Title: Epoxide Resin Compositions
Inventor: CLELFORD PETER
IPC: C07F9/22
Filed: 1967-07-20
Abstract: 1,192,790. Urea-, thiourea- and phosphoric triamide deriatives. CIBA (A.R.L.) Ltd. 2 July, 1968 [20 July, 1967], No. 33504/67. Heading C2C. [Also in Division C3] The preparations of: (I) 1-benzoyl-3,3-dimethylurea; (II) 1 - benzoyl - 3,3 - dimethylthiourea; (III) 1 - (toluene - p - sulphonyl) - 3, 3 - dimethylurea; and (IV) N,N<SP>1</SP>,N<SP>11</SP> - tris- (dimethylcarbamoyl)-phosphoric triamide are disclosed. I was prepared by reaction of benzoyl isocyanate (0À12 mole) with anhydrous dimethylamine (0À11 mole) in diethyl ether in a vessel cooled with acetone and solid CO 2 . II was prepared by a similar process using benzoyl isothiocyanate. III was prepared by reacting dimethylamine with an equimolar proportion of toluene-p-sulphonyl isocyanate under similar conditions. IV was prepared by reaction of dimethylamine (0À9 mole) with phosphonyl triisocyanate (0À2 mole).
Patent GB-190167-A (GB)
Title: An improved tin opener
IPC: B67B7/46
Filed: 1922-12-08
Abstract: 190,167. Louwerse, J. M. Dec. 8, 1921, [Convention date]. Opening by cutting. -A tin-opener adapted to be housed between the outer and inner lids of a tin consists of a flat piece of metal shaped to form a handle, the opposite end being bent up at one edge to form a guide 2 and at the opposite edge obliquely to form cutter 3.
Patent GB-466807-A (GB)
Title: Improvements in or relating to pile ramming apparatus or the like
IPC: E02D7/06
Filed: 1935-12-05
Abstract: 466,807. Pile drivers. DELMAG DEUTSCHE ELEKTROMASCHINENUND MOTORENBAU AKT.- GES. Dec. 5, 1935, No. 33768. Convention date, Dec. 6, 1934. [Class 68(ii)] In an internal-combustion pile driver, the cylinder-monkey 2 and the anvil 3 are guided on an upright 1, and are connected by springs 6 which check the rise of the monkey and accelerate its fall. Balls 8 and a wedge 7 are fitted so that the anvil 3 may be driven down freely but are prevented from rising. A piston rod 5 is secured to a piston in the cylinder 2.
Patent GB-212626-A (GB)
Title: Improvements in aeronautical machines
IPC: B64C39/00
Filed: 1922-12-12
Abstract: 212,626. Ottino, G. P. Dec. 12, 1922. Machines supported by rotary propellers; propelling; steering; planes, arrangement of.- A machine is supported by Hades carried in pairs upon pairs of vertical endless cables, steel bands, or chains in such a manner that the blades are separate and substantially horizontal during the down stroke, and approach one another and become vertical for the upstroke. Figs. 1 and 2 show a machine in which blades o are carried by spindles q passing through sleeves r, rigidly secured to cables n passing around pulleys m. The front ends of the spindles q are fixed to pairs of levers s, s<1> stop jointed at u. The pulleys m are notched to engage reduced portions r<1> of the sleeves r, the levers s, s<1> moving from the horizontal position to the vertical and vice versa as the sleeves r pass around the pulleys. To prevent the pairs of levers s, s<1> from fouling one another during the upward and downward strokes, their outer ends have bosses moving within sockets in the sleeves r and provided with peripheral cam grooves engaged by pins in the sleeves r so that the levers s, s<1> move into different planes as they open and close. The pulleys m are mounted on shafts p, the lower pair of shafts being driven by bevel gearing and the shafts j, k from an engine i which also drives a screw propeller l. A rudder h and elevator h<1> are arranged as shown. Fig. 7 shows a plan of a modification in which fore and aft series of blades o are carried by eight endless cables, the driving-shafts p converging towards the front and rear of the machine. The levers s, s<1> in this modification are mounted on squared ends on the shafts g and are held against the inclined surfaces of bosses v<1> secured to sleeves fast on the chains. The inclination of the driving-shafts and of the surfaces of the bosses v<1> ensures that the levers s, s<1> ascend and descend in different planes. The blades o are set at' a slight angle to their shafts q so as to prevent an angle of incidence on the down stroke to give additional lift during forward motion of the machine. This inclination also diminishes resistance to forward flight on the upstroke, the blades assuming the positions shown. Lifting planes hinged to enable them to be extended transversely for forward flight are provided between the front and rear blade systems on lateral extensions of the frames so as to be clear of a centrally arranged propeller. Arched plates forming shields for the blades o in their uppermost positions are provided on the top of the framework. Specifications 6378/09 is referred to.
Patent GB-174051-A (GB)
Title: Improvements in swivel pipe couplings
IPC: F16L27/08
Filed: 1921-12-16
Abstract: 174,051. Titeflex Metal Hose Corporation, (Assignees of Westinghouse, H. H., and Fulton, W. H.). Jan. 8, 1921, [Convention date]. Swivelling-joints; joints comprising packing operated by fluid pressure.-A swivel pipe coupling comprises two tubular members 1, 7, one entering the other, the outer one having a flange 5 which engages a groove 6 in the member 7 so as to permit a swivelling movement of the parts whilst limiting their relative axial displacement. The flange 5 is formed on a two-part nut 4 which is screwed into the member 7 after the parts of the nut have been placed together around the member 7. A tubular extension 8 of the member 7 passes into a narrow bore at the end of the member 1. Within the wider part of the coupling-piece 1 is a packing consisting of a corrugated tube 10 soldered at one end to a seating 11 which is held against a washer 12 by a sleeve 12<1>; the other end of the tube 10 is secured to a seating 13 which bears against a washer 14. The pressure of fluid within the coupling tends to cause elongation of the tube 10, and thereby seals the joints more tightly. A wire spring 10<1> may reinforce the corrugated tube. The divided nut 4 is made by casting a blank of the form shown in Figs. 2 and 3, with weakening-grooves 17, 18, 20, 21 in a diametral plane. After the external threads have been cut, a split sleeve 23, internally tapered, is inserted in the nut as shown in Fig. 3, and a tapered mandrel is then driven into the sleeve, thereby splitting the nut centrally along the grooves: Dividing the nut in this manner ensures that when the halves are assembled the screw threads are brought into accurate alignment. Specification 128,852 is referred to in the Specification as open to inspection under Sect. 91 (3) (a).
Patent GB-919534-A (GB)
Title: Cross arms for supporting overhead electric lines
Inventor: RITCHIE JAMES
IPC: E04H12/24
Filed: 1959-10-07
Abstract: 919,534. Cross-arms for posts. BRITISH INSULATED CALLENDER'S CONSTRUCTION CO. Ltd. Oct. 7, 1960 [Oct. 7, 1959], No. 34038/59. Addition to 745,317. Class 20 (1). A cross-arm 1 for supporting an overhead electric line is mainly of the cross-section shown and may be made by supporting eight resin bonded glass fibre rods 9 of uniform cross-section under tension within a mould, the rod ends passing through bushings at either end of the mould. A silica filled epoxy resin is used to fill the previously evacuated mould, and is cured by processing for eight hours at 160‹ C. The cross-arm is then removed from the mould, the projecting ends of the rods are cut flush with the ends of the arm and are coated with an epoxy resin sealant. Annular porcelain or resin rings 4 may be provided along the length of the arm.
Patent GB-1010439-A (GB)
Title: Improvements in and relating to multi-head flat bed rid knitting machines
IPC: D04B11/02
Filed: 1963-08-28
Abstract: 1,010,439. Knitting-machines. S. A. MONK (Sutton-in-Ashfield) and B. A. MONK. Aug 27, 1964 [Aug 28, 1963], No. 34045/63. Heading D1C. A flat bed machine has quality control mechanism comprising a pair of snail cams 26 operated by racks 24 to adjust through levers 27 the position of the stitch cams 11, 12. The racks 24 are operated by a unit 10 adapted to be reciprocated with the cam box 13 and containing a pair of screws 22 each having a nut 23 coupled through rods 14, 15 to the racks 24. The screws 22 are rotated through gearing by a shaft 21 which is periodically rotated by manually or hydraulically controlled mechanism such that the nuts 23 are axially moved along the screws to operate the racks 24 and cause adjustment of the stitch cams. In the case of a parallel bed machine duplicate mechanism is provided to operate the cams of the other cam box. In a multi-division machine the rods 14, 15 extend throughout all of the divisions to operate the cams on each of the cam boxes.
Patent GB-954353-A (GB)
Title: Improved fluid control gate valve
Inventor: BARNARD HENRY FREDERICK
IPC: F16K3/18
Filed: 1959-10-08
Abstract: 954,353. Valves. S. DIXON & SON Ltd. Sept. 29, 1960 [Oct. 8, 1959], No. 34129/59. Heading F2V. A gate valve having a gate 15 furnished with sealing rings 20 on its two opposite faces to form a seal with annular seatings of the valve body when the gate is closed, is characterized by the sealing rings being each removably mounted in a recess in the face of the gate with its seating face slightly proud of the gate face and being secured by a collar 22 lying radially inwardly of the ring, this collar being screwed on to an axially disposed spigot 19 on the gate, complementary overlapping lips 23, 21 being provided on the collar and sealing ring for securing the ring. In another embodiment, a parallel-sided gate comprises two members urged apart in closed position by wedge-shaped members. In another form, the rings are provided in a two-member tapered gate of which one member has a stub loosely engaging a socket in the other member, a wall of this socket being fitted in an angled bore of an actuating part. The sealing rings may be of polytetrafluorethylene, polyamide or polyester resins, with or without a filler or a reinforcing means.
Patent GB-607136-A (GB)
Title: Improvements in rotary printing machines
IPC: B41F17/22
Filed: 1945-12-17
Abstract: 607,136. lntermittent chain gearing. SHURLEY, F. Dec. 17, 1945, No. 34155. Convention date, Feb. 21, 1941. [Class 80 (i)] [Also in Group XVI] Conveyer chains 10, 11 for carrying articles to printing position (see Group XVI) are driven from a shaft 4 rotated intermittently by a continuously-moving chain 18 having spaced pins 19 engaging projections on a cam 14 fixed to the shaft. To prevent accidental rotation of the shaft 4, a dog 23 is provided engaging notches 22 in a second cam 15 fixed to the shaft 4. Each of a number of fingers 20 on the chain 18 trips the dog 23 just before a pin 19 engages the cam 14.
Patent GB-1355266-A (GB)
Title: Sports shoe
IPC: A43B5/06
Filed: 1971-07-21
Abstract: 1355266 Boots &c A DASSLER 21 July 1971 [21 July 1970] 34258/71 Heading A3B A sports shoe includes a cushioned tongue (Fig. 5) comprising an air impermeable sheath of superimposed sheets 21, 22 welded together at their edges 26, the interior space of the sheath containing a layer of foam material 23, 24, 25, which is subdivided by longitudinally extending welds 27, 28 into a middle part and edge parts foldable relative to the middle part. The shoe may also include a heel cushion (Fig. 2) which is located between the insole 15 and outsole 16, and which consists of a foam pad sandwiched between two films (not shown) which are welded together around their edges to form an air impermeable sheath. The cushioning may also be formed by welding together sections of the upper and lining (not shown) when these are formed of weldable material.
Patent GB-1355584-A (GB)
Title: Azo dyes processes for their manufacgure and their use
IPC: C09B27/00
Filed: 1971-07-21
Abstract: 1355584 Monoazo dyes CIBA-GEIGY AG 21 July 1971 [24 July 1970] 34263/71 Heading C4P New monoazo dyes, free of acid watersolubilizing groups, of formula wherein D is the radical of a diazo component, A is an optionally substituted p-phenylene radical, X is an -NH- or -N(CH 3 )- group, -O- or -S-, Y is an optionally substituted aliphatic or cycloaliphatic radical containing at least one chain hetero-atom, X<SP>1</SP> is -NH-, -O- or -S-, R 1  and R 2  are optionally substituted aliphatic radicals and R 3  is an organic radical are prepared by azo coupling (including oxidative coupling) and optionally quaternizing the product with an alkylating agent. The dyes are preferably used to colour synthetic fibres in yellow, orange, red and blue shades. Reference has been directed by the Comptroller to Specification 1,308,705.
Patent GB-988371-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H83/14
Filed: 1961-09-25
Abstract: 988,371. Automatic circuit-breakers. BUSCHJAEGER DURENER METALLWERKE A.G. Sept. 25, 1961 [Oct. 22, 1960], No. 34329/61. Addition to 964,037. Heading H2B. The earth-leakage circuit-breaker of the parent Specification is provided with a corebalance transformer having a two-part insulating casing 10b for the core, the casing having integral dividing walls 10c, 10d for separating the primary conductors 11. These primary conductors may be of flat ribbon and located by guide walls 10e. The dividing wall 10d may be extended to form supports 10g for mounting screws or bolts.
Patent GB-191269-A (GB)
Title: Improvements in or relating to screening apparatus
IPC: B07B1/18
Filed: 1921-12-21
Abstract: 191,269. Harrison, N. Dec. 21, 1921. Rotary sieves are provided with a number of lifting vanes E extending longitudinally through the sieves and projecting from the inner surface at such an angle that an extension of their upper surfaces when lifting would pass over the shaft D. The vanes are detachable and the angle variable by the interposition of packing pieces H. Plates I disposed at a suitable angle may be provided on the lifting plates to move the material from the inlet to the discharge end of the sieve. In addition other propelling plates L may be provided and secured to the surface of the sieve in spaced relation thereto by the interposition of packing pieces N. The spaces M so provided are graded in size according to the size of the mesh in the sections of the sieve, increasing from the inlet to the discharge end.
Patent GB-185764-A (GB)
Title: Improved india rubber or like tiles for covering pavements, floors, steps, or the like
IPC: E04F15/10
Filed: 1921-06-28
Abstract: 185,764. Hale, J. H. June 28, 1921. Flooring and paving tiles. -A tile for covering pavements, floors, steps, treads, &c. comprises a body of indiarubber or like material, and one or more blunt-ended plain metal or other studs A embedded therein during moulding. The studs are adapted to be pressed into a moist cement or like foundation.
Patent GB-830762-A (GB)
Title: Method of manufacture of a lamp envelope
Inventor: KREFFT HERMANN EDWARD
IPC: C03B23/207
Filed: 1957-11-08
Abstract: 830,762. Lamp envelopes. ENGELHARD INDUSTRIES Inc. Nov. 8, 1957, No. 34892/57. Class 56. A lamp envelope is produced by bonding an end of an elongated vitreous member to a vitreous plate member substantially centrally thereof, simultaneously heating at least said plate member and shaping said plate member into a cup-like member 1 with the elongated member extending in a direction opposite the opening of the cup-like member, reproducing said cup-like member to provide a complementary cup-like member 3, and bonding the rims 19, 20 to each other to form an envelope from which said elongated members may be removed as shown at lines 21 and 22, Fig. 7. The elongated member may be a tube 8 or a rod 15 which may be fused into an aperture 7, 17 substantially centrally of the plate member 6, 18 respectively, or to a plate member 24 which is then pierced to produce opening 26 Figs. 3, 7, 8 and 9. The plate member may be shaped into a cup-like member using tool 11 and mandrel 10, Fig. 4. Fig. 10 illustrates a non-spherical envelope composed of sections 30 and 31 having walls of varying thickness sealed at 32, having necks 33, 34 of different diameters. The vitreous material may be fused silica.