baber/WOPTO huggingface dataset:
Patent GB-665149-A (GB)
Title: Improvements in or relating to self-supporting filtering units and method of preparation thereof
IPC: B01D29/46
Filed: 1949-03-23
Abstract: 665,149. Making filters. STEVENS, A. H. (Purolater Products, Inc.). March 23, 1949, No. 7903/49. Drawings to Specification. Classes 83 (ii) and 83 (iv). [Also in Group I] Brazing.-A self-supporting filtering unit is formed from a thin narrow metal ribbon having spaced projections on one face by coating the ribbon with a fusible coating, winding the ribbon on edge into a helix so that the projections engage adjacent faces of the turns of the helix to provide interstices of definite width between adjacent turns of the helix, and permanently bonding the projections to the faces with which they engage. The bonding may be effected by heating the helically-wound ribbon to fuse the coating. The fusible coating may be of plastic material or of metal, such as copper, and in the latter case may be applied electrolytically to the ribbon. Alternatively the wire (e.g. iron, steel or copper-nickel alloy) from which the ribbon is made, may be coated with copper prior to its formation into ribbon. In a further method the fusible coating is applied to the ribbon after the latter has been wound into helical form. Prior to the heating step the ribbon is wound on edge round a heatresisting drum and the turns pressed against each other by end supports or clamps. The whole is introduced into a brazing oven and the temperature raised to 2040‹ to 2080‹ F. (when the coating is copper) in an atmosphere of hydrogen. Alternatively the projections may be resistance welded or projection welded to the adjacent faces. Thereafter the drum is removed. The wire may be formed into ribbon with the projections on a wider face and with a predetermined curvature in the width plane by the method described in Specification 385,755, and the drum on which it is wound temporarily may be rotated and moved axially during the winding. The finished unit may be incorporated in a number of filters intended for filtering oil (see Group I).
Patent GB-862974-A (GB)
Title: Curing compounds for epoxy resins
IPC: C08G59/50
Filed: 1957-03-12
Abstract: The invention comprises latent curing agents for epoxy resins, having the formula: <FORM:0862974/IV (b)/1> where Z is selected from <FORM:0862974/IV (b)/2> wherein W is a hydrogen or chlorine, X is hydrogen or C1-10 alkyl, and Y is a hydrazino or an amino or alkyl, dialkyl or aryl substituted amino radical.  Preferred compounds are of formula: <FORM:0862974/IV (b)/3> where R is hydrogen and R1 is hydrogen, amino, alkyl or aryl, or R and R1 are both alkyl; these compounds are made by reacting cyanuric chloride with the substituted amine RR1NH, followed by reaction with excess hydrazine hydrate. Examples prepare (1) 2,4-dihydrazino-6-diethylamino-s-triazine; (2) 2,4-dihydrazino-6-phenylamino-s-triazine; (3) 2,4-dihydrazino-6-methylamino-s-triazine; (4) 2, 4-dihydrazino-6-ethylamino-striazine; (5) 5-isopropyl-2, 4-dihydrazino-6-chloropyrimidine, by reaction of POCl3 with 5-isopropyl-barbituric acid, followed by reaction of hydrazine hydrate with the 2, 4, 6-trichloro-5-isopropyl pyrimidine formed; (6) 2,4-dihydrazino-5-methylpyrimidine, from the 2,4-dichloro compound and hydrazine hydrate; (9) 2,4-dihydrazino-6-methylamino-s-triazine, by reaction of methylamine with cyanuric chloride, reacting the product with phenol to produce 2,4-diphenoxy-6-methylamino-s-triazine, followed by reaction with hydrazine hydrate.
Patent GB-1186146-A (GB)
Title: Cross-Linking Polyolefins.
Inventor: BRODY HARRY
IPC: C08F255/00
Filed: 1968-02-20
Abstract: 1,186,146. Cross-linking polyolefins. IMPERIAL CHEMICAL INDUSTRIES Ltd. 29 Jan., 1969 [20 Feb., 1968], No. 8258/68. Heading C3P. A process for the preparation of a cross-linked polyolefin, e.g. polyethylene, comprises the steps of (i) incorporating into a crystalline polyolefin a thermally activatable free-radical generator which is dissociable below the crystalline melting point of the polyolefin, by immersing the crystalline polyolefin in a solution of a freeradical generator in a solvent therefor, e.g. xylene, which solvent has a swelling or at least partial solvation effect on the crystalline polyolefin, (ii) heat treating the composition so obtained to cause cross-linking, and (iii) repeating steps (i) and (ii) at least once, and in the process the incorporation of the free-radical generator and the heat treatment of the composition are effected below the crystalline melting point of the polyolefin and the incorporation of the free-radical generator is also effected at a temperature at which little or no thermal decomposition of the free-radical generator occurs. Free-radical generators: benzoyl peroxide, lauroyl peroxide, dicumyl peroxide, 2,5-dimethyl - 2,5 - di - (t - butyl - peroxy) - hexyne - 3 and azobis(isobutyronitrile). The solvent of the free-radical generator may be a polymerizable polyene, as exemplified by the alkyl esters of acrylic, methacrylic, maleic, fumaric and itaconic acids, diallyl esters of sebacic and phthalic acids, diacrylates and dimethylacrylates of glycols, and divinyl benzenes. Examples disclose the repeated soaking of moulded sheets of crystalline high density polyethylene in a solution of dicumyl peroxide in allyl methacrylate for 5 hours at 60‹ C. and heating the sheets for 18 hours at 120‹ C. to decompose the peroxide. Cross-linked polyolefins obtained by the process exhibited better resistance to creep at elevated temperatures and higher heat distortion temperatures, e.g. 130‹ C. or more, than the uncross-linked polyolefines. Thin section pipes, tubes, fibres and films of crystalline polyolefins or the surface layer of shaped articles of greater thickness may be treated.
Patent GB-1494362-A (GB)
Title: Building construction
IPC: E04B1/21
Filed: 1975-02-28
Abstract: 1494362 Concrete deck structure C A BENTLEY and E BENTLEY 28 Feb 1975 [14 Jan 1975] 8383/75 Heading E1W [Also in Division B8] Concrete deck slabs 18 include connectors 10 spaced apart along their edges and comprising a plate 14 at the base of the slab and an upstanding bushing 12 embedded in the slab with a removable lifting bolt 16 which is laterally expandable, Fig. 3, to enable the slabs to be lifted onto beams 20. After removal of the lifting bolt 16 the slab 18 is bolted to the beam 20. The plate 14 may have an upstanding flange 24 or a downwardly extending flange, Fig. 4 (not shown), which may be welded to the beam 20. The bushing 12 is anchored in the slab 18 by a U-shaped reinforcement 22, and has an internally tapered portion to facilitate lifting by the lifting bolt 16. The lifting bolt 16 comprises a shaft 60 having cut-out bevels 66 on which slide dogs 74 of corresponding shape to the cut-outs 66 and which are mounted on rods 70 attached to a washer 76 which may be moved downwardly by turning a threaded eye 64 thus laterally expanding the lower end of the lifting bolt 16.
Patent GB-570403-A (GB)
Title: Improvements in and relating to fluid flow meters and flow indicators
IPC: G01F1/28
Filed: 1943-05-26
Abstract: 570,403. Flow meters or indicators. HOLMES & CO., Ltd., W. C., HENSHAW, D. M., and STANLEY, R. J. May 26, 1943, No. 8402. [Class 69 (i)] In a fluid flow meter or indicator wherein a flap more or less closes an orifice when there is no flow, and is displaced proportionally to the amount of flow, the flap 4 is pivoted horizontally at 6 to a baffle 5, inlet and outlet ports 1, 3 being provided on opposite sides of the flap to give either a substantially horizontal or vertical flow, and the flap bearing against a glass window or windows at one or both ends of the casing 2 so as to be visible from outside the meter &c. The flap may be of glass when used with opaque fluids, while when used with liquids entraining air &c., the baffle 5 may be provided with a small orifice 7.
Patent GB-233495-A (GB)
Title: Improvements in or relating to combined gramophonic and telephonic sound reproducing means
IPC: H04R1/10
Filed: 1924-04-03
Abstract: 233,495. Graham, E. A. April 3, 1924. Tone-arm joints; tone-arms, resiliently supporting.-Relates to apparatus of the kind in which a sound-duct associated with a telephone receiver is introduced into the sound-duct of a gramophone or the like, in order to enable a single horn to be used for either sound - reproducing instrument. According to the invention, the portion of the telephonic soundduct which enters the gramophone sound-conduit forms a mounting for the tone-arm. In the construction shown in Fig. 2, a member c, which is the end portion of a sound-duct from a telephone receiver (not shown), is formed with a boss e in which is pivoted a pin f fixed to a spider g<1> on which the tone-arm g is carried. The pin f, instead of being fixed to the spider g', may be fixed to the boss e, or integral therewith, and in this case it forms a bearing for the boss g<2> which surrounds it. Ball bearings may be interposed between the boss e and parts j, h respectively, the, latter being secured to the pin f. Fig. 4 shows a modification in which an additional bearing for the tone-arm is provided by a ring of balls i<1>, A further construction is shown in Fig. 5, in which the tone-arm is movable relatively to the pivot pin f, about an horizontal pin m. A counterbalancing spring n prevents undue pressure of the stylus on the record. A valve p, Fig. 4, may be arranged in the tone-arm, to regulate the volume of sound from the gramophonesound-box, or to close the tone-arm entirely. The valve may be operated by an external knob, acting through a spindle s and links r. Specification-. 232,710 is referred to.
Patent GB-549379-A (GB)
Title: Improvements in or relating to means and method of heading and pointing blanks
IPC: B21G3/32
Filed: 1941-07-04
Abstract: 549,379. Heading and pointing blanks. WILCOX, R. L., and WATERBURY FARREL FOUNDRY & MACHINE CO. July 4, 1941, No. 8479. [Class 83 (iv)] A transfer mechanism carries blanks from heading dies to pointing dies of the pinching type that move towards and away from one another whilst travelling in a path substantially parallel with the axis of the blank. The machine may be of the general type described in U.S.A. Specification 1,968,921. Wire is fed through a cut off die 19, Fig. 3 against a stop 25 and a length is cut off and carried by the cutter 21 to a heading die 20 co-operating with a two-stage punch slide. After heading the blank is carried by the transfer mechanism 26 into line with the pointing dies mounted in a holder 30 screwed to the main die holder 17 locked in the machine by a screw and wedge 18. The pointing dies 36, Fig. 12 have ribs 39 guided in grooves 35 in the holder and blank receiving grooves 47 terminating in conical ends with nipping edges 68. The die parts are spanned by a U-shaped yoke 40 having an opening 44 to pass the blank, an opposed opening 45 to pass the ejector 53, and a rod 69 moving in a recess 70, Fig. 7, to limit the axial movement of the dies. The blank is pushed into the dies by a punch 55 backed up by a spring 56 to permit axial float of the blank during pointing, which occurs as the yoke and dies are forced back against the pressure of the spring 51. The pinched-off metal, if it does not fall away, is stripped during the ejection of the blank and passes by a channel 65 to a tube 66 that discharges the strip apart from the pointed blanks. Air blast at 64 assists the discharge. Two modified forms of punch 55 are shown in one of which the amount of float is restricted to a predetermined amount.
Patent GB-492663-A (GB)
Title: A method of treating metals to change their structure
IPC: C21D7/13
Filed: 1937-03-23
Abstract: 492,663. Altering physical structure. THORNTON, A. A. (Bercovitz, B., and Debor, H.) March 23, 1937, No. 8499. Drawings to Specification. [Class 83 (iv)] The structure of metal bodies, particularly steel, is changed by acting on the bodies whilst at forging temperature by a gas under high pressure, in which pressure impulses are generated in rapid succession. The gas may be air, carbon dioxide or nitrogen under a pressure of from 10 to 1000 atmospheres or more, and for a hollow body the gas may be introduced internally and a mould may surround it to prevent expansion thereof, or the gas may be introduced between the mould and a body which then has its contraction prevented by a core. The gas may be introduced or exhausted through the core. The gas is subjected to rapid alternations of pressure by introducing it into the body or mould through a rapidly rotating valve which alternately establishes and interrupts communication between the gas supply and body, a construction of valve being described in the Specification. The body may be heated before introduction into the mould but is preferably heated in the mould by electric resistance heating, or the gas may be preheated to the required temperature and its pressure thereby increased at the same time. The gas may be selected with a view to making chemical or metallurgical changes in the metal, e.g. producing an inner or outer layer of metal carbides or nitrides &c.
Patent GB-526513-A (GB)
Title: Improvements in or relating to methods for producing preparations for intravenous use or for the treatment of arthritis and fibrositis, and the preparations resulting therefrom
IPC: A61K31/575
Filed: 1939-03-18
Abstract: 526,513. Medicines. STEVENS, A. H. (Armour & Co.). March 18, 1939, No. 8696. [Class 81 (ii)] [Also in Group IV] A preparation for the treatment of arthritis and fibrositis is prepared by combining a bile pigment, or alkali salt thereof, with a bile acid or acids, or salts thereof, or with a corresponding keto acid. Bile pigments mentioned are bilirubin, biliverdin and biliprasin; bile acids are cholic, glycocholic, tansocholic, dehydrocholic, mono, di- and triketocholic. In an example bilirubin is dissolved in dilute sodium carbonate, the solution filtered and a salt of a bile acid or corresponding keto acid, e.g. dehydrocholic is added. The solution may be used for intravenous injection or a dry product may be obtained by evaporation.
Patent GB-591294-A (GB)
Title: Improvements relating to metal baths
IPC: A47K3/02
Filed: 1945-04-10
Abstract: 591,294. Baths. MENDHAM, J. B. April 10, 1945, No. 8804. [Class 26] [Also in Group XXII] Domestic baths are formed from a number of sheet metal parts comprising a bowl section in two or more longitudinally-divided parts and end sections, connected together and longitudinal and transverse butt welds and then vitreously enamelled. Each part may have a rim integral therewith or welded thereto. The bath may have two bowl sections a, b and two end sections c, d with integral rims e, the end section d having a waste hole f, an overflow hole, and holes for reception of taps, and the rim having a depression serving as a soap tray. The parts are butt welded along the lines j and k. The rim parts may be separate and lapped over the bath sections as at l and welded thereto. In another form the bowl may comprise a middle bottom section and two side sections. The bath may be supported in a cradle comprising a number of stamped metal cross-beams m, which may be pierced at intervals for lightness, and comprise a base m<SP>1</SP> for fixing to the floor and vertical side parts n which may extend up to the rim or only a short distance up the side of the bath. The bearers are connected by bars u bolted thereto. Longitudinally directed end bearers m<SP>10</SP> may be used in addition. The seating faces of the bearers may be lined with felt, etc., and the bath enclosed in a casing by supporting panels p against the rim and against the vertical parts n of the bearers. Small tabs may be welded to the inside of the rim to which the top of the panels may be screwed, the lower parts being screwed to the parts n. According to the Provisional Specification the parts may be riveted, screwed or brazed together and the bowl section may be in one piece. The parts may be made of aluminium and polished instead of enamelled.
Patent GB-568357-A (GB)
Title: Improvements in or relating to inkers for printing presses
IPC: B41F31/15
Filed: 1941-08-01
Abstract: 568,357. Printing-machines. MILLER PRINTING MACHINERY CO. Aug. 1, 1941, No. 8849/43. Convention date, Aug. 3, 1940. Divided out of 568,346. [Class 100 (ii)] Inking - apparatus.-Distributing rollers 28, 29 are reciprocated axially in opposite directions by a lever 216 pivoted centrally to the machine frame and having integral therewith a bevel gear 218 meshing with a bevel gear segment 220 on a shaft 219 to which is fixed a gear segment 221 meshing with a segment 222 on an oscillating shaft 223. This segment is oscillated by a forked lever 227 engaging an arm 224 of the segment, the lever 227 being connected by a link 231 and roller 232 to a slotted arm 234 secured to a shaft 235 to which is also fixed an arm 236 oscillated by the press driving means.' A guide collar 233 for the link 231 is pivoted to an arm 247 fixed to a shaft 248 to which is also fixed an arm 249 carrying a spring-pressed pin 250 which may be inserted in any of a series of holes 251, whereby the position of the roller 232 along the arm 234 and thus the amplitude of the reciprocating movement of the rollers 28, 29 may be varied. Specification 568,350, [Group XXIV], is referred to.
Patent GB-486083-A (GB)
Title: A method of and means for shaping metal tubes or containers
IPC: B21D22/18
Filed: 1936-09-25
Abstract: 486,083. Tube expanders. DOVE, J. A. Sept. 25, 1936, No. 8874/38. Divided out of 486,002. Drawings to Specification. [Class 83 (iv)] Apparatus for shaping metal tubes or containers by interior pressure comprises in combination a rotating tool having one or more shaping elements which are displaced radially outwards to apply pressure to the interior of the work, means operating simultaneously with the rotation of the tool to effect relative longitudinal traversing movement between the work and tool and to bring the work over the tool and means functioning automatically at a predetermined time during the traversing movement to displace the pressure elements into engagement with the work, said traversing movement being continued during said outward displacement and while the tool continues to rotate. The invention is described with reference to tools and apparatus which are described also in Specification 486,002.
Patent GB-263009-A (GB)
Title: Illuminating means
IPC: F21S8/00
Filed: 1926-04-06
Abstract: 263,009. Kirby, Inc., (Assignees of Kirby, G. T., and Day, H. 1.). Jan. 16, 1926, [Convention date]. Filaments. - An incandescent electric lamp bulb 2 for projection purposes may be provided with a monoplane filament 13 or with staggered filaments.
Patent GB-326362-A (GB)
Title: Improvements in or relating to folding tables
IPC: A47B9/16
Filed: 1929-03-20
Abstract: 326,362. Scoffin & Willmott, Ltd., and Hawkes, C. H. March 20, 1929. Folding tables. - In a folding X-frame table, the legs are connected to the top 3 by links 4 pivoted centrally on a rod 5, to which are attached one or more notched bars 9 adapted to engage one of the cross-bars 2 connecting the upper ends of the legs 1 and to hold the X-frame in various adjusted positions. As shown, the bars 9 are connected by a rail 11. In a modification, the frame 1 consists of a lazy-tongs or double X. frame.
Patent GB-635403-A (GB)
Title: Improvements in egg candling devices
IPC: G01N33/08
Filed: 1948-04-01
Abstract: 635,403. Testing eggs. EXPRESS DAIRY CO., Ltd., WESTON, P. G., and ARNISON, E. April 1, 1948, No. 9189. [Class 28(ii)] A plurality of lamps 8-13 emitting various wavelengths are located beneath a conveyer 1, a slit 6 in a screen 5 is provided above the conveyer together with a hood 4 to facilitate viewing. The conveyer is composed of concave rollers so as to impart a turning movement to the eggs whilst being viewed.
Patent GB-1068081-A (GB)
Title: Manufacture of cellular polyurethanes
Inventor: MARKLOW RAYMOND JOSEPH
IPC: C08G18/42
Filed: 1964-03-04
Abstract: Cellular polyurethanes are prepare by reacting an organic polyisocyanate with a polyester made by reaction of a glycol with a dibasic carboxylic acid and an aromatic compound containing at least one aromatic nucleus and sufficient aliphatic hydroxyl groups and/or vicinal epoxide groups that said aromatic compound behaves in ester forming reactions as having more than two aliphatic hydroxyl groups, said polyurethane-forming reaction being carried out under such conditions that a foam-forming gas is generated.  The aromatic compound may be the reaction product of epichlorhydrin or dichlorhydrin with a dihydric phenol and may have the formula <FORM:1068081/C3/1> where n is 0 or an integer and R and R1 are hydrogen or an alkyl group of 1-4 C.  A surface active agent and tertiary amine catalyst may be present in the reaction mixture. Water or a halogenated alkane may be used as the foaming agent.
Patent GB-1464655-A (GB)
Title: Railway systems
IPC: E01B25/00
Filed: 1974-02-28
Abstract: 1464655 Railway systems MESSERSCHMITT-BOLKOW-BLOHM GmbH 28 Feb 1974 [3 March 1973] 9202/74 Heading B7L  A magnet suspension railway system comprises a vehicle 7, a straight track connected to a branch track through a switch point, including a frog 10 and having no moving parts, the vehicle being supported from the track 2, 3 by electromagnets 8, carried by depending legs 6 of the vehicle, co-operating with conductive rails 4 on the track 2, 3 and guided by electromagnets 9, carried by the vertical sides of the legs 6 and co-operating with guide conductive rails 5 on the track 2, 3, the magnets 8, 9 at each side of the vehicle, being on the same side of the leg immediately adjacent the associative supporting and guide rails 4, 5, the invention being characterized in that on the side of each leg 6, remote from the rails 4, 5 adjacent that leg, is mounted a conductive U-shaped section rail 14 for co-operating with a respective row 11 or 12 of stationary electromagnets 13 of a longitudinally tapering central track beam 1 at the switch point, according to the track direction selected. When the vehicle is passing through the switch point on the straight track it will be seen from Fig. 2 that the right hand rail 14 cooperates with the straight row 11 of electromagnets 13, which rail 14 is assymetrical with respect to the row, whereby a guidance force is produced in opposition to the left hand guide magnet 9, as well as a supporting force at the right hand side of the vehicle. In another embodiment the electromagnets 8 co-operate with inverted U-shaped rails 18 on the rails 4, Fig. 3 (not shown). According to further embodiments Figs. 4 and 5 (not shown), the rails 14 are replaced by an angle-section rail or a flat bar rail.