baber/WOPTO huggingface dataset:
Patent GB-169791-A (GB)
Title: Automatic grab
IPC: B66C3/12
Filed: 1920-07-02
Abstract: 169,791. Martin, J. July 2, 1920. Pulleys.-In grabs, the pulley tackle is modified by (1) enclosing the pulleys in shields or casings k, (2) making the pulleys wider than the rope, as shown in Fig. 4, so that the rope can creep on the periphery and thus remove adherent matter from both rope and pulley, and (3) in some instances supplementing this cleaning action by perforating the pulleys as shown at l to enable adherent matter to be squeezed through the perforations by the pressureof the rope.
Patent GB-354470-A (GB)
Title: Improved means for attaching initial letters or designs to purses, hand-bags, glovesand other personal belongings
IPC: G09F3/06
Filed: 1930-06-16
Abstract: 354,470. Attaching initials &c. to articles. GENERAL METAL SMALLWARES CO., Ltd. and BARTON, A. E., 53A, Upper Highgate Street, Birmingham. June 16, 1930, No. 18319. [Classes 73 and 93.] An initial letter, word, or design attachment for purses, handbags, gloves, sleevelinks, &c., consists of a onepiece metal cap 1 which directly bears the initial letter &c. 5 and is provided with a peripheral flange 2 which is gaped or divided at two or more points 3 to form resilient tongues or segments adapted to be sprung over the edge of a buttonlike part 4 on the article to which the letter &c. is to be applied, so as to engage therewith with a snap action. The initial letter &c. 5 may be printed, painted, or otherwise marked on the cap 1, or it may be embossed and filled in with coloured enamel, the remaining portion of the cap being enamelled with a contrasting colour. The buttonlike part 4 may be a separate attachment, or may be attached to the socket member of a snap fastener.
Patent GB-834317-A (GB)
Title: Improvements in the manufacture of polyethylene
IPC: C08F10/00
Filed: 1957-06-11
Abstract: A process for polymerizing ethylene at a pressure of at least 15,000 p.s.i. and a temperature of 80 DEG  to 180 DEG  C. in the presence of an ethylene polymerization catalyst and from 0.001 to 5% by weight based on the ethylene, of an alkyl aldehyde having 2 to 7 carbon atoms, a phenyl-substituted derivative thereof or cyclohexanal, yields solid homopolymers of average molecular weight of at least about 20,000; a density of at least 0.930; a stiffness of at least 25,000 p.s.i.; a heat distortion temperature of at least 110 DEG  C.; and an inherent melt viscosity in the range 0.5 to 1.5 decilitres per gram in tetralin at 100 DEG  C. Catalysts mentioned are peroxy compounds such as acetyl, benzoyl, lauroyl, di-t-butyl, tetralin and acetyl benzoyl peroxides, t-butyl perbenzoate, the alkali metal persulphates, perborates and percarbonates and compounds such as azobis-isobutyronitrile, methyl azobis-isobutyrate and di-ethyl-2 : 21-azobis-(2-methyl propionate), in amounts from 5 parts per million to 5% by weight.  The aldehydes include acetaldehyde, propionaldehyde, n-butyraldehyde, cyclohexanal and 2-phenyl acetaldehyde, used in from 0.001 to 1.0% by weight based on the ethylene.  The polymerization may be carried out in the single or multi-stage process, either in gaseous or liquid dispersion, for example in benzene.  Homopolymers of a molecular weight of from 20,000 to 200,000 of a higher crystallinity than the normal high-pressure process are obtained, which are suitable for mouldings of higher rigidity.  Specifications 471,590, 649,934, 651,163, 651,315 and 658,893 are referred to.
Patent GB-478491-A (GB)
Title: Improvements in and relating to laminated cores for electric transformers and like apparatus
IPC: H01F29/10
Filed: 1937-07-01
Abstract: 478,491. Transformers and inductances. AKT.-GES. BROWN, BOVERI, & CIE. July 1, 1937, No. 18367. Convention date, Aug. 14, 1936. [Class 38 (ii)] The laminations of a core for a transformer, choke, &c. with a variable air-gap are secured together along one edge only; along the other edge they are held by or between guiding members, between which they can slide while being pressed against them by their own elasticty, so as to diminish hum. In the arrangement shown in Fig. 2, the guiding member is shown as a channel member f into which the laminations b fit, being held together along the other edge by bolts s. Fig. 5 shows an arrangement in which each of two laminated portions serves as a guide for the other. one portion b being held between plates p and recessed to receive projections on the other portion f.
Patent GB-1345225-A (GB)
Title: Device for the digital control of a controlled system
IPC: G05B15/02
Filed: 1971-06-01
Abstract: 1345225 Automatic control system VEREINIGTE FLUGTECHNISCHE WERKEFOKKER GmbH 1 June 1971 [23 June 1970] 18393/71 Heading G3R In an automatic control system, an input reference is applied, through a regulator 1, to a simulator 3, whose outputs v I ...v N  are compared with the outputs r I ...r N  of the controlled system 2 to provide, through controller 4, a digital control signal Est, which is combined with the output # of regulator 1 to provide a digital regulating signal. The regulator 1, which is fed with the simulator outputs v I  ... v N  to control initial conditions, provides an output to the simulator 3 dependent on the reference v, the initial values v I  ... v N  and its response time, the output # having a number of component signals equal to the order of the equation describing system 2. Which are supplied sequentially to simulator 3. The inputs x I  ... x N  of the controller 4 are in digital form either directly from digital comparators, or via an A-D converter from analogue comparators.
Patent GB-293304-A (GB)
IPC: H01C17/04
Filed: 1928-06-25
Abstract: 293,304. Silberstein, I. July 2, 1927, [Convention date]. Coating-machines.-Resistances for radio and other apparatus and comprising a helical strip 24 of poorly conducting material on a non- conducting support such as a glass or other rod or tube 6 are made by rotating the rod 6 and traversing a transfer member applying a solution or suspension of the poorly conducting material. A suspension or solution of carbon may be applied to the rod 6 by a wheel 18, the rod 6 being held in a chuck 5 on a shaft 3 rotated by a pulley 4. The wheel 18 is pivoted at the end of a lever 16 and is pressed against the rod 6 by a counterweight 19 or a spring. A screw-threaded shaft 7, removable from the shaft 3 to allow of variation of the pitch of the helix 24 by using different shafts 7, engages a nut 9 on a sliding frame 12 carrying the lever 16 and traversing the wheel 18. The wheel 18 is concave at the sides and dips into a carbon suspension in a trough 21 carried by the spindle 17 of the wheel 18. Before applying the carbon, the rod is heated, preferably to incandescence in an electric furnace, so that it absorbs the applied liquid evenly, its absorbing power, and so the width of the strip 24 being regulated by the temperature of this heat-treatment.
Patent GB-282605-A (GB)
Title: Improvements in cutters for bark-removing machines and the like
IPC: B27L1/10
Filed: 1927-07-11
Abstract: 282,605. Lagus, K. R. J. July 11, 1927.. Tools. - A rotary barkremoving cutter is constructed with arms 4 projecting from an end plate 2, to which arms the blades 3 are attached. Notches 5 are formed in the end plate between the arms, and a fixed lug 7 is mounted so as to clear the space inside the cutter. The cutter is mounted in a holder which slides on a shaft, and is driven by belt or chain gear.
Patent GB-376935-A (GB)
Title: Improvements in adjusting and locking devices for vehicle windscreens and for other analogous purposes
IPC: E05C17/30
Filed: 1931-06-26
Abstract: 376,935. Stays. PEARCE & SONS (BRASSFOUNDERS), Ltd., G. W. and PEARCE, G. H., Bromyard Works, Worcester. June 26, 1931, No. 18470. [Class 65 (i).] In a telescopic or other longitudinally extensible stay, particularly for a windscreen, having a lever which is adapted to clamp the stay in any open position and to engage a pin to lock the stay in the closed position, the clamping is effected by a lifting movement of the lever and the engagement with the pin by the reverse movement ; the pin may be at the pivotal connection between the stay and windscreen. The Figure shows the invention applied to a telescopic stay comprising a part g pivoted to the frame and a part h of channel section pivoted to the screen. The part g slides in the part h and carries a clamping screw actuated by a lever l, shown in its unlocked position. To lock the stay in any open position, the lever l is raised to the dotted line position. When the screen is closed the lever is moved downwards to engage a roller q on the pivot pin of the joint between the stay member h and the screen, so as to draw the screen tightly closed and to lock it.
Patent GB-169540-A (GB)
Title: Improvements in or relating to fittings or attachments for show cases or the like
IPC: A47B61/02
Filed: 1920-07-03
Abstract: 169,540. Sage & Co., Ltd., F., and Tinson, C. W. July 3, 1920. No Patent granted (Sealing fee not paid). Garment racks.-A supporting-rail for garments &c. is supported at each end by lazy-tongs attached to uprights at the rear of a show case &c. The rail B is attached to the bars C which, in conjunction with the members D, E, F, form the lazy-tongs. The upper end of the member E is secured to the upright G while the lower end of the member F is provided with a projecting stop Fx to abut against a pin placed in one of a series of holes H in the upright G. Two or more parallel supporting-rails or a shelf may be connected to the lazy-tongs.
Patent GB-294602-A (GB)
Title: Process for the preparation of the lactone of 14-oxy-tetradecane-1-carboxylic acid
IPC: C07D315/00
Filed: 1928-06-26
Abstract: 294,602. Soc. Anon. M. Naef et Cie, (Assignees of Naef et Cie, M.). July 27, 1927, [Convention date]. Lactones.-The lactone of tetradecane-14-oxy- 1-carboxylic acid is prepared by heating cyclopentadecanone with monopersulphuric acid. On acidification it yields the acid and this, by oxidation with chromic acid, gives tridecane-1 : 13- dicarboxvlic acid. The Specification, as open to inspection under Sect. 91 (3) (a) states that lactones having a large number of ring members are obtained by heating with monopersulphuric acid the carboxylic ketones described in Specifications 235,540, 251,188 and 263,153. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1515841-A (GB)
Title: Pipe coupling
IPC: F16L21/06
Filed: 1977-05-03
Abstract: 1515841 Pipe couplings JAMES HARDIE & COY PTY Ltd 3 May 1977 [6 May 1976] 18579/77 Heading F2G A pipe coupling comprises two halves 7 (one shown in Fig. 1) which are clamped together in encirclement of a pair of coaxial pipe ends, each half having a resilient sealing member (Fig. 3), which member when unstressed consists of a rectangular frame with two circular section arch portions 6 which are bent to semicircular form in use, and two square section bridge portions 5 adjoining the ends of the arch portions 6, and each half includes two semicircumferential grooves 8 to house the arch portions 6, a seating 10 for the bridge portions 5 and stubs 12 which retain the bridge portions clear of the enclosed pipe ends.
Patent GB-803652-A (GB)
Title: Process for producing nodular cast iron
IPC: C21C1/10
Filed: 1954-12-29
Abstract: A process for the production of spheroidal graphite cast iron in which a stream of calcium carbide is injected to produce a minimum sulphur content higher than 0.01 per cent and a spheroidizing agent is added together with an innoculant, is characterized by the addition to the melt of a metal or alloy deoxidizing agent prior to the injection of the calcium carbide to reduce the sulphur content to less than 0.01 per cent, and the addition of spheroidizing agent in amount to provide less than 0.01 per cent residual spheroidizing agent in the metal.  The deoxidizing agent may be an alloy of calcium-silicon or aluminium and the amount added may be 0.1 per cent of the weight of the melt.  The calcium carbide may be added in a stream of inert gas, e.g. argon, to reduce the sulphur content to between 0.005 per cent and 0.01 per cent.  The spheroidizing agent may be magnesium, cerium, magnesium - ferro-silicon, misch metal, rare earth oxides, or cerium-magnesium-ferrosilicon.  Specifications 630,070 and 670,245 also are referred to.
Patent GB-1068604-A (GB)
Title: Synthetic plastic sulphur composition
IPC: C08G75/02
Filed: 1964-05-05
Abstract: A plastic sulphur composition is obtained by mixing sulphur with up to 50%, preferably 2-15%, of a polythioformaldehyde and/or a condensate thereof with a ketone, phenol, urea, thiourea, dicyandiamide, styrene, or maleic acid.  Powdered or molten sulphur may be used, and the mixture heated at 150-170 DEG  C.  The polythioformaldehyde may be of formula HS-(CH2S)n-H where n is 2-7, contain 55-73% S and melt between 70 DEG  and 240 DEG  C.  The composition may contain pigments and inert fillers, e.g. metal oxides, carbonates, sulphides, carbides, phosphates or silicates, glass, asbestos, kaolin, or cellulosic materials.  It may be poured into moulds, or used for coating floors and walls, plugging cracks on concrete, or painting yellow lines on roads.ALSO:A plastic sulphur composition is obtained by mixing sulphur with up to 50%, preferably 2-15%, of a polythioformaldehyde and/or a condensate thereof with a ketone, phenol, urea, thiourea, dicyandiamide, styrene, or maleic acid.  Powdered or molten sulphur may be used, and the mixture heated at 150-170 DEG  C.  The polythioformaldehyde may be of formula HS-(CH2S)n-H, where n is 2-7 contain 55-73% S and melt between 70 DEG and 240 DEG  C. The composition may contain pigments and inert fillers e.g. metal oxides, carbonates, sulphides, carbides, phosphates or silicates, glass, asbestos, kaolin, or cellulosic materials.  It may be poured into moulds, or used for coating floors and walls, plugging cracks on concrete, or painting yellow lines on roads.  Examples 4-8 describe the preparation of polythioformaldehyde-ketone condensates by reacting HS(CH2S)3- 4H with acetone, cyclohexanone, methylisobutyl ketone or benzophenone in the presence of an acid catalyst, e.g. H2SO4, ZnCl2, or gaseous HCl, with or without a solvent, e.g. benzene, at temperatures of -20 DEG C. to 100 DEG  C.  In Examples 9-13 these condensates are mixed with sulphur and cadmium yellow or cadmium red pigment or with light calcined alumina.ALSO:A coating composition for applying to floors, walls, and roads, comprises sulphur together with polythioformaldehyde or condensate thereof with a ketone, phenol, urea, thiourea, dicyanamide, styrene, or maleic acid.  The composition may contain more than 50%, preferable 85-98% sulphur. Suitable ketones are listed. Other materials which may be present are metal oxides, carbonates, sulphides, carbides, phosphates, or silicates, glass, asbestos, kaolin, or cellulosic materials.
Patent GB-186112-A (GB)
Abstract: 186,112. Stephens, A. J., (Varmeledningsaktiebolaget Celsius). June 13, 1921. Indicators, applications of; stops, adjustable.- A valve, suitable for the outlet of a water-heated radiator, is operated by a spindle having a screw of quick pitch, and is provided with a device for indicating the extent of the opening of the valve. The valve 5, Fig. 1, is operated by a spindle 6 having a thread 7 of such a pitch that the valve may be fully opened by not more than one complete turn. A washer 8 provides an abutment for packing 10 which is pressed downwards by a gland 12 controlled by an outer screwed ring 11. The spindle 6 is provided with a projecting pin 16, which contacts with a projecting rib 18 to limit the maximum opening of the valve. The upper projecting end of the gland 12 is provided with graduations 21 so that its position may be adjusted with respect to an indication mark 22 on the outside of the casing.
Patent GB-1298259-A (GB)
Title: Packaging apparatus
Inventor: ALFORD SIDNEY CHRISTOPHER
IPC: B65B9/13
Filed: 1970-08-13
Abstract: 1298259 Packaging apparatus S C ALFORD 9 Nov 1971 [13 Aug 1970 2 June 1971] 39072/70 and 18639/71 Heading B8C Apparatus for packaging meat in sleeve netting or like tubular material 1 comprises a hollow mandrel 2 into which meat 4 is pushed against a spring-loaded piston 8 carrying pins 9 to engage the end 3 of netting 1 which is drawn from a continuous supply over the mandrel via a reduced diameter end 2a. As the meat is pushed into the mandrel, netting is pulled over the meat and finally contracts into a waist 11 of ram 7 to be severed by rotary cutter 12. As ram 7 is withdrawn, spring 10 returns piston 8 to eject the packaged meat. A trough 5 with lid 6 initially receives the meat and defines a feed tube for the mandrel which is mounted on rollers in frame 2c to permit free passage of the netting sleeve 1. In one embodiment, the meat is held between two side arms 36 pivotally attached to ram 7 and having perforations 37 which are engaged by spring-loaded pins extending radially from piston head 8. These arms prevent excessive compression of the meat. The pins are cammed outwardly by the spring-loaded shaft of a netting sleeve clamp member 25 which enters the hollow piston shaft 8a.
Patent GB-340977-A (GB)
Title: Improvements in or relating to a manner of and machinery for the extraction of stalk from tea
IPC: B07C5/342
Filed: 1929-06-17
Abstract: 340,977. Separating solid materials. ABBOTT, T. E., and BURN, H. H., 28, Dalhousie Square, Calcutta, India. June 17, 1929, No. 18643. Convention date, May 10. Void [Published under Sect. 91 of the Acts]. [Class 117.] Apparatus for separating tea from stalk by utilizing the difference in colour comprises means for feeding the particles in succession to a position in which they are examined by a light-sensitive device which selectively operates mechanical separating means. In the construction described, a series of lightsensitive devices 5, Fig. 1, is arranged transversely above an endless conveyer 4 consisting of a corresponding number of rows of pivoted flaps 26, Fig. 7, each adapted to support a particle and retained in its normal position by a spring latch 30 having a depending lug 32. Beneath each row of flaps is mounted a pin 10 forming part of the armature of a solenoid and adapted to be moved by the current in the photo-electric circuit into the path of the latch 30 so as to release the corresponding flap and allow it to discharge its content into a chute 11. A series of loose discs 12 resets the flaps in their normal position. The feeding device consists of a hopper 1 mounted on spring arms 2 and oscillated by a crank and connecting-rod. An adjustable discharge slot permits the particles to fall in a thin sheet on an inclined plate 3 which may have ridges and grooves to arrange them in rows in alignment with the flaps. The lightsensitive device may be in the form of an evacuated tube 34, Fig. 8, with an inner coating of silver 35 over which is deposited a coating 36, one atom thick, of cµsium, rubidium, selenium, potassium, sodium or lithium, which is exposed at one end 37 by omitting the silver layer. Alternatively, a metal, preferably copper, plate 41, Fig. 9, is coated with selenium 42 covered with gold leaf 43 cut away at the centre. The current passing in the circuit of the light-sensitive device is preferably amplified by the use of transformers and thermionic valves, the output current being utilized to energize the solenoid actuating the pins 10.
Patent GB-873258-A (GB)
Title: Improvements in or relating to boxes and cartons
Inventor: STRUBLE GLENN EDWARD
IPC: B65D5/46
Filed: 1959-06-01
Abstract: 873,258. Cartons. DIAMOND NATIONAL CORPORATION. June 1, 1959, No. 18680/59. Class 18. A carton formed from the blank shown - in Fig. 1, has a handle 50, 52 formed in a panel 30 that underlies a panel 12 of the erected carton, the handle being pushed through a slit 38 in the panel 12 as shown in Fig. 5. The handle is connected to the panel 30 by a crease line 56 at one end and at the other end has an enlarged portion 58 that engages the inside of the box, Fig. 5. An advantage of this construction is that the top surface of the handle has the same surface finish as the exterior of the carton. Glue is applied in the stippled areas by straight line glueing apparatus. In another construction; Figs. 6- and 12, the handle is of one thickness 63 and secured at each end by crease lines 70, 74, 78. To enable the handle to bow, portions 72, 73 are bent as shown in Fig. 12, which shows the handle in the course of being bowed. In a further embodiment, Fig. 8, a handle of two plies 100, 102 is provided having integral connections 112 and 108, 109 at each end.
Patent GB-673311-A (GB)
Title: Radiator for central heating installations
IPC: F28D1/03
Filed: 1950-07-26
Abstract: 673,311. Radiators for heating buildings. JANIK, K. July 26, 1950, No. 18693/50. Class 64(ii) A radiator for a central heating installation is formed from two sheets 1, 2 bent in serpentine fashion with the contours of one sheet closely following those of the other sheet and at least one of the sheets is additionally corrugated to increase the surface area. The edges of the sheets are formed with flanges for the joining of the sheets by welded seams 5 and the small corrugations extend vertically on the outer curved surfaces only of the radiator and do not extend to the top and bottom thereof. This provides a top inlet passage 6 and a bottom outlet passage 7 for connection with hot water or steam pipes 3, smooth uncorrugated walls for the main recesses of the element surface and channels 8 for the flow of the medium.
Patent GB-1032950-A (GB)
Title: Machine for burying and longitudinally moving an elongated member beneath a ground surface
Inventor: CHRISTENSEN PETER NYGAARD
IPC: E02F5/10
Filed: 1965-05-04
Abstract: 1,032,950. Pipe laying machine. GAMMA Inc. May 4, 1965, No. 18743/65. Heading F2P. [Also in Division A1] A pipe or cable laying machine 11 comprises a base frame 12 on which is mounted an internalcombustion engine 14 driving a shaft 22. The shaft 22 extends into a crank-case 23 to afford a drive for the wheels 16 of the machine and for side rocker arms 28 through links 26, 27. The rocker arms 28 carry a blade mount 29 which supports a cutter member 34 comprising a cutting blade 38 and an emplacing plough point 39, the latter opening a path 42 for a pipe or cable 43 being trailed behind the cutter member 34. The point 39 is hollow and houses an anchor for a spring and cable, the spring being connected by an end fitting to the pipe such that tension applied to the spring pulls the pipe through the path 42, overtensioning of the spring causing the end fitting to engage a stop on the cable such that the cable takes the excess tension (Fig. 3, not shown). The arms 28 are rocked to force the cutter member through the ground, a coulter wheel 41 cutting the surface prior to the passage of the cutter member.