baber/WOPTO huggingface dataset:
Patent GB-438975-A (GB)
Title: Improvements in or relating to chains
IPC: F16G13/02
Filed: 1934-06-18
Abstract: 438,975. Driving-chains. KING, D. M., 47, Balmoral Road, Hitchin, Hertfordshire. June 18, 1934, No. 18035. Addition to 417,134. [Class 24] In chains of the kind described in the parent Specification, the connecting-pins 10 are retained in their locking position by the provision of a key 13 on the inner face of the head 11 which is kept in engagement with the slot 9 in the link 7 by washers 14 inserted between the inner and outer links. The washers may be in the form of split rings or in the form of U-shaped members which straddle the pins and are bent outwardly at the free ends to overlie the ends of the outer links.
Patent GB-630646-A (GB)
Title: Yellow fog inhibitors for photographic material
Filed: 1947-07-08
Abstract: 630,646. Anti-fogging agents for photographic silver halide emulsions. GENERAL ANILINE & FILM CORPORATION. July 8, 1947, No. 18043. Convention date, May 4, 1939. [Class 98 (ii)] Anti-fogging agents to be incorporated in a photographic silver halide emulsion, a surface or substratum layer of the photographic material, a developing bath, or other processing bath are organic compounds containing the grouping wherein Y is S, Se, or Te. Separate like or unlike organic groups (e.g. substituted or unsubstituted alkyl, cycloalkyl, aryl, aralkyl, or heterocyclic groups) may be attached to Y, or two of the valencies of Y may be occupied by the residue of a heterocyclic ring. Complexes formed between the ternary iodides and alkyl or metal iodides may be used. Compounds specified are trimethyl, triethyl, methyl diethyl, dimethyl cyclohexyl, phenyl di-pbromophenyl, methyl dibenzyl, methyl tetramethylene sulphonium iodides, triethyl selenonium iodide, methyl diphenyl telluronium iodide, [(CH 3 ) 3 S.I].CdI 2 ,[(C 2 H 5 ) 2 (CH 3 )S.I].HgI 2 , [(C 2 H 5 ) 3 S.I].CHI 3 , and [(C 2 H 5 ) 3 S.I].BiI 3 . Examples show the reduction in yellow fog obtained by the addition of trimethyl sulphonium iodide to a gelatino silver halide emulsion and to a surface coating for such an emulsion, of triethyl sulphonium iodide to a developing solution, and of triethyl selenonium iodide, and triethyl sulphonium iodide to gelatino silver halide emulsions. The Specification as open to inspection under Sect. 91 refers also to the use of phenyl thio-odiphenylene sulphonium iodide. This subjectmatter does not appear in the Specification as accepted.
Patent GB-408192-A (GB)
Title: Improvements in and relating to electric transformers
IPC: H01F29/02
Filed: 1932-06-27
Abstract: 408,192. Transformers. INTERNATIONAL GENERAL ELECTRIC CO., Inc., 120, Broadway, New York, U.S.A.- (Assignees of Allgemeine Elektricitõts-Ges.; 2, Friedrich Karl-Ufer, Berlin.) June 27, 1932, No. 18142. Void [Abridged as open to inspection under Sect. 91 of the Acts, June 28, 1932]. [Class 38 (ii).] The voltage given by a polyphase transformer with tapped windings is changed, both as regards magnitude and phase, by arranging the tapping points to serve as interlinking points of different phases. Two arrangements for producing negative and positive phase displacements are shown in Figs. 3 and 5 respectively, as applied to the high or low tension windings of an output transformer. In these arrangements, corresponding tappings on the windings are interconnected, as shown, and the terminal connections are made at the points U, V and W. Autotransformer connections are also described.
Patent GB-1168536-A (GB)
Title: Improvements in and relating to the Preparation of Semiconductor Materials
IPC: B24B37/04
Filed: 1967-04-20
Abstract: 1,168,536. Semi-conductor treatment. INTERNATIONAL BUSINESS MACHINES CORP. 20 April, 1967 [12 May, 1966], No. 18166/67. Heading H1K. [Also in Division C1] Semi-conductor devices are prepared by epitaxial growth on wafers having planar silicon surfaces. The planar silicon surfaces are obtained by plating a silicon surface and polishing to remove plated metal from high points on the silicon surface (see C1 Division, abridgment). The planar silicon surfaces may be their either etched with hydrogen chloride vapour in hydrogen, or subjected to a hydrogen bake, and then a silicon-arsenic doped epitaxial layer is deposited on the surfaces. The resultant wafer is then Seitl-etched and a stacking fault count recorded.
Patent GB-806731-A (GB)
Title: Method of preparing uranium hydride
IPC: C01B6/02
Filed: 1945-07-16
Abstract: <PICT:0806731/III/1> Uranium hydride is prepared by reacting hydrogen with massive uranium metal, which has a melting-point not in excess of 1200 DEG  C., is free from oxide parting planes, and has a density above 18 grms./c.c., or with mixtures or alloys of such uranium with other metals, e.g. tin, copper, bismuth, aluminium, silver, or gold. The other metals are, preferably, in dendritic form, and the uranium should be the major component of mixtures or alloys.  The metallic uranium may be produced, e.g. from uranium tetrafluoride and calcium or magnesium, under such conditions, e.g. in a closed calcium oxidelined iron crucible at 640 DEG  C., that a pool of molten uranium is formed, from which impurities separate and collect as slag.  The closed system shown in the Figure is evacuated to about 0.1 mm. Hg through pipe 28, or may, alternatively, be flushed out with hydrogen.  Water vapour is generated in vessel 2, by water bath 4 heated to 30 DEG  C., and is passed over iron, zinc, or, preferably uranium wool or turnings 9 in chamber 8, heated to 600-800 DEG  C. by electric furnace 11, to effect reduction to hydrogen.  The hydrogen is passed through trap 16, cooled by solid carbon dioxide and acetone, or liquid air, or oxygen, to condense water vapour.  The dried hydrogen is passed over the metallic uranium turnings 23 in chamber 22, heated to 150-400 DEG  C. by electric furnace 24, and the uranium hydride falls away to expose fresh metal.  The hydrogen is introduced in amount sufficient to establish a pressure in excess, e.g. up to 150 mm. in excess, of the decomposition pressure of the hydride, and substantially as rapidly as consumed.  The completion of the hydride formation is indicated visually on manometer 31 by the increase in pressure due to the hydrogen introduced.  The apparatus may be of heat-resistant glass, glass-lined iron, or stainless steel, and the uranium hydride is allowed to cool in the atmosphere of hydrogen in chamber 22.
Patent GB-1097860-A (GB)
Title: Agglomerates of synthetic zeolites
IPC: C01B39/02
Filed: 1966-04-26
Abstract: Substantially spherical zeolites which are crystallographically pure and resistant to attrition are prepared by instantaneously dispersing an alkali metal silicate solution in an alkali metal aluminate solution containing preformed crystals of the zeolite in question, under continuous agitation to prevent the formation of a gelatinous precipitate of alkali metal silico-aluminate. The temperature of the reaction vessel is kept between 70 DEG  and 110 DEG  C. The zeolite agglomerates may be grown by removing part of the mixture in the reaction vessel and replacing it with fresh silicate and aluminate either in a batch process or continuously, a filter being provided to remove the agglomerates when they reach a certain size.
Patent GB-403448-A (GB)
Title: Improvements in or relating to multiple pin plugs and combined multiple pin plugs and sockets for electrical plug and socket contacts
IPC: H01R13/05
Filed: 1932-06-28
Abstract: 403,448. Plug-and-socket couplings. COOK, C. R., Chesworth, Horsham, Sussex- June 28, 1932, No. 18281. [Class 38 (i).] In a multiple-pin plug for an electrical plug-and-socket contact, a base or panel of insulating- material carries resilient connector pins in such a way that when each pin is compressed by insertion into its socket, the bending of the prongs of the pin takes place about a point either within the base or on the side remote from the socket so as to obtain increased resiliency. The means by which the pins are clamped in ; position are also adapted to secure the ends of the leads. In the construction shown in Figs. 1 and 2, the resilient prongs of each pin 3 are normally separate from one another throughout the whole of their length and the bending therefore takes place in the loop or eye which is enclosed by the insulating base 5. The holes 4 in the base through which the pins pass are large enough to allow limited lateral movement and thus allow the pins to adapt themselves to sockets of non-standard dimensions. Metal bridge pieces 7 pass through the eye of the pin and rest upon the insulating base at the sides of the pin, as shown in Fig. 4. When the cover 12 is screwed down on to the base, a circular recess in its underside positions the pins and forces them downwards so as to clamp the bared ends 10 of the lead 17 between the heads of the pins and the bridge pieces 7. The leads are led from the box through a tortuous path formed by upward projections 15, 18 from the base thereby preventing an excessive pull on the connection to the pins. In modification the clamping member for the heads of the pins is formed separately from the cover and is carried on a screwed part of a central bolt which also serves to connect the base and the cover. The pin 3 may fit in a metal sleeve 20 secured in the insulating base as shown in Fig. 6, and the bridge member is then dispensed with, the bared end 10 of the lead being clamped directly between the walls of the sleeve 20 and the eye 2 of the pin. In a further modification shown in Figs. 8 and 9, the eyes 2 of the pins 3 are made circular and adapted to receive the ends of pins 3<1> carried by another socket, the remainder of which is not shown. In this case the resilient prongs 3 make contact with one another at the point 126, near which most of the bending occurs, this point lying at the back of the body 5. Each pin passes through holes in a U-shaped metal plate 127 between the parts of which are clamped the bared ends 10 of the leads, when the pins are forced outwardly by the insulating cover 24 which is forced down by a nut 25 engaging the central screw 23. The heads of pins made from a single length of wire may be shaped as shown in Fig. 16, the end of the lead being clamped under the head in a similar manner. Specifications 152,665, [Class 38 (i), Electric couplings &c.], and 371,418 are referred to.
Patent GB-564805-A (GB)
Title: Improvements in conveying apparatus for use in making x-ray examination
IPC: G01N23/04
Filed: 1942-12-24
Abstract: 564,805. Rontgen-ray apparatus. SIEMENS-SCHUCKERT (GREAT BRITAIN), Ltd., and TUNNICLIFFE, E. A. J. Dec. 24, 1942, No. 18324. [Class 98 (i)] Apparatus for X-ray examination of series of articles (e.g. the ceramic centres of sparking plugs) comprises a conveyer to which the articles may be attached seriatim at one station, and which conveys them to a stationary screened X-ray equipment at a second station for inspection. As shown, a conveyer disc 1 carried by a motor-driven shaft 3 is located within a screened (e.g. lead-lined) casing 6 except for a portion of its periphery at 7 where the articles 2 to be examined may be secured in succession to holders provided on the edge of the disc so that, as the disc rotates, the articles are carried into the casing to an inspection zone where a beam from an X-ray source 5 forms on a fluorescent screen 9 an X-ray image which is reflected by a mirror 8 to a glazed inspection window 10. The casing 6 forms part of a wheeled cabinet 4 having a seat 14 for the inspection operator ; the seat may control a switch device for energizing the ray-tube 5 ; and within reach of the inspection operator are a device 12 for marking specimens seen to be faulty, a device (e.g. a variable rheostat) for regulating the speed of the disc, and a button 15 for arresting the disc. The article holders on disc 1 may be such as to permit movement of the articles as they pass through the X-ray beam, e.g. the holders may be rotatable on an horizontal axis and have a rubber-tyred wheel which runs over a fixed surface in the inspection zone.
Patent GB-935669-A (GB)
Title: Pressure sensitive adhesive fabric
Inventor: LICKMAN DAVID AUSTIN
IPC: C09J119/00
Filed: 1961-05-23
Abstract: A pressure sensitive adhesive comprises a resin and an elastomer derived from the coagulation of a blend of vulcanized natural rubber latex and unvulcanized natural rubber latex.  In the example the resin is colophony.  Other ingredients are liquid paraffin, woolfat, zinc oxide, an antioxidant and petroleum ether. Specification 803,013 is referred to.
Patent GB-738438-A (GB)
Title: Improvements relating to luminous dials for watches
IPC: G04B19/32
Filed: 1953-07-03
Abstract: 738,438. Watches. LONZA ELECTRIC & CHEMICAL WORKS, Ltd. July 3, 1953 [July 3, 1952], No. 18512/53. Class 139. [Also in Group XL (a)] A luminous dial 1 for a watch 2 comprises a luminescent background foil la, a semi-transparent light reflecting metal film 1b coating the surface of the luminescent foil la and opaque markings 1d on the metal film lb. The luminescent foil la consists of a plastic sheet of an acrylic acid derivative containing in suspension crystallites of a luminescent medium with a high degree of phosphorescent afterglow and which may contain radioactive substances such 'as small quantities of mesothorium. The surface of the foil 1a may be smooth or preferably slightly dulled or matted and is covered by the film 1b of silver of about 0.6 Á. thickness produced by chemical precipitation, by cathodic spraying or by precipitation out of the vapour phase in a vacuum. The film 1b which is slightly dulled or matted gives the dial a metallic appearance in daylight and can be protected by a transparent layer Ic of varnish or lacquer. The signs or symbols 1d are impermeable to light or at least to light of the spectrum emitted by the luminescent dial so that they appear as black silhouettes against a luminescent background, and are applied graphically, by spraying or by printing, preferably being directly imposed by pressure on the layer 1c. The watch hands 3, 4 may be untreated or may be provided with a luminescent coating of a different colour from that of the foil la, e.g. the hands 3, 4 may appear red against green luminescence of the foil la. If the plastic foil la contains radioactive substances then the hands 3, 4 are made of some substance such as a plastic permeable to the radioactive radiation so that such radiation may excite their luminescent coating.
Patent GB-1492305-A (GB)
Title: Display trays
IPC: B65D5/20
Filed: 1976-04-02
Abstract: 1492305 Trays REED INTERNATIONAL Ltd 2 April 1976 [2 May 1975] 18521/75 Heading B8P A tray formed from a blank, e.g. of carton board comprises a base panel 1 and side wall panels 2, 3 connected by gusset-forming panels 12, the erected walls being of double thickness and including an opposed pair of walls 3 having edges inclined from the corners of the tray towards the base 1. Strips 7, 11 engage the base 1 with the walls in erected condition, and the gusset panels 12 may be folded between the doubled-over portions of the wall panels 2, which fold about straight edges 6. A transparent plastics lid, Fig. 3 (not shown), may include side walls 15 which fit between the tray walls 3, having V-shaped extensions (17) for retention by single-thickness areas 13 of the walls 3. A lid may, further, be formed integrally with the tray. Alternatively, Fig. 5 (not shown) a machine erectable blank may have the wall portions 2 initially folded over and adhered to one another, the panels 12 being accommodated between the doubled-over portions of the walls 3. Further, Fig. 5 (not shown), the opposed walls 2 may differ in length, the base 1 being trapezium-shaped.
Patent GB-978743-A (GB)
Title: Process for the preparation of an eosinophil-containing material and extracts thereof from blood
Inventor: ARCHER RICHARD KENDRAY
IPC: A61K35/15
Filed: 1960-05-25
Abstract: Eosinophil leucocytes are extracted from mammalian blood, e.g of a horse or human, by centrifuging the blood, optionally after initial sedimentation to remove the bulk of the erythrocytes, discarding the serum and "buffy coat layer" of the sediment and separating the eosinophils or an eosinophil-containing material from the remaining heavier fraction of the sediment, e.g. by lysing the accompanying erythrocytes by addition of saline and recentrifuging.  The eosinophils obtained may be disrupted, e.g. by use of a homogenizing mill, preferably after freezing and thawing, or by ultra-sonic disruption to give a material which may be freeze-dried and which has antihistaminic and possibly general anti-inflammatory activity.
Patent GB-1351709-A (GB)
Title: Fluid flow control device
IPC: F23N1/00
Filed: 1971-06-02
Abstract: 1351709 Fluid-pressure servomotor systems ROBERTSHAW CONTROLS CO 2 June 1971 [3 June 1970] 18585/71 Heading G3P A valve 28 controlling the supply of gas to a burner 10 is first moved to a partly open position when bleed flow takes place through two orifices  40, 62 between the main inlet 22 and outlet 24 and subsequently to a fully open position when flow takes place through the orifice 38 alone. The orifice 62 may be adjusted to vary the partially open position of the valve 28 and is controlled by a valve 72 which is closed by athermostatically operated lever 56 after a further valve 52 establishing communication with the outlet 24 through a pressure regulator 90 has been opened. The pressure created in a chamber 42 by the flow through the orifices is communicated by a passage 44 to the underside of a diaphragm for operating the valve 28. The angular position of the lever 56 is determined by an active bimetal element 86 heated by a coil 88 under the control of a thermostat 14 and connected by a bolt 84 to a compensating bimetal 82. When the demand for heat ceases, the thermostat interrupts the current to the coil 88 and the lever 56 gradually opens the valve 72 to increase the pressure in chamber 42 and partially close the valve 28. Further rotation of lever 56 closes both the valve 52 and the valve 28. The thermostat may be arranged to vary the energization of coil 88 is accordance with sensed heat requirements or to provide low and high voltage outputs in response to demands for heat at low and high rates.
Patent GB-436648-A (GB)
Title: Improvements in and relating to matrix composing and type line casting machines
IPC: B41B11/00
Filed: 1935-06-29
Abstract: 436,648. Type-bar-making machines. INTERTYPE, Ltd., 215, Farnham Road, Slough, Buckinghamshire. - (Assignees of Freund, H. R. ; 241, Sterling Street, Brooklyn, New York, U.S.A.) June 29, 1935, No. 18672. Convention date, Oct. 26, 1934. [Class 100 (iii)] Matrices.-In order to avoid irregular spacing of characters caused by the juxtaposition of matrices bearing characters which are wider at one end than at the other on one or both sides, the wider parts of the characters are carried by lugs 5, Figs. 1, 2 and 3, which project on one or both sides of the matrix, and the side faces of the matrix are completed, where necessary, by filler-blocks 9 having recesses 10, 11 to accommodate the lugs 5. Where a matrix bearing a character, such as " P," which is wider at the top than at the the bottom, is adjacent to a character, such as " A," which is wider at the bottom, the lugs 5 of the two matrices overlap, so that the characters are brought closer together than usual. Where the adjacent matrix bears a character which has a straight side or is of substantially uniform width, as in the case of the matrix M<3>, Fig. 5, a filler-block 9 is used with the matrix bearing the character " A." The filler-blocks may have dovetailed parts adapted to slide into dovetailed recesses in the matrices.
Patent GB-381530-A (GB)
Title: Improvements in or relating to burglar and like alarms
IPC: H01H3/16
Filed: 1932-07-01
Abstract: 381,530. Burglar and like alarms. GURDJIAN, C., 188, Rue Royale, Brussels. July 1, 1932, No. 18686. Convention date, Feb. 16. [Class 118 (i).] When a member 2 pivoted at 3 in a casing 1 is displaced by the movement of a door, window, lock or other device, it cooperates with three separately insulated contact blades 6, 7, 8 to open one circuit so as to actuate a relav and give an alarm, and also to close a second alarm circuit. The first circuit is broken by the tongue 4 of the member 2 leaving the contact blade 6, and the second circuit is closed by the member 2 pressing the blade 7 against the blade 8.
Patent GB-498312-A (GB)
Title: Envelope making machine
IPC: B31B19/00
Filed: 1937-07-05
Abstract: 498,312. Making envelopes. SMITHE MACHINE CO., Inc., F. L. July 5, 1937, No. 18692. Convention date, July 30, 1936. [Class 94 (ii)] In an envelope making machine, after rotary gumming mechanism G<1> has gummed a flap, co-operating rotary suction feed devices C<11>, C4 one of which, C<11>, is in the form of a segment, fold and lightly crease the gummed flap, whereupon the envelope is fed to a drier D. Envelope blanks with side and bottom flaps folded and the closure flap scored but lying open in trailing position, are fed by rollers 12 and tables 11 to gumming and feeding means G<1>, G<11>, the gum being applied to the closure flaps by a rotating segment 24, drawing gum from a bath G by rollers 22, 23 ; the feed of the blanks being effected by sectors 33, rocked by a cam 30 so to miss being fouled by the gum roll 23, and resiliently urged by spring 28 into feeding contact with the lower roll G<11>. An auxiliary feed roll pair B<1>, B<11>, the upper one of which is carried by spring urged pivoted arms 42, now forward the gummed envelopes to the roll pair C<1>, C<11>, where a bar 50, carried by the roll C<1> which is supported resiliently by arms 47 rockable about a shaft S3, urges the envelope flap 10 against a row of suction apertures 51 on roll C<11> whereby it is carried towards the roll C4. This latter roll engages the envelope body through a suction aperture 54 and the envelope is passed between the rolls C<11>, C4, bending the flap backwardly, the hinge of which is pressed by an adjustable bar 60 against the roll C<11>. This latter is cut away at 62, 63 to allow the flap 10 to pass between the rolls C<11>, C4 without having its gummed portion pressed against the envelope body. The suction at 51 and 54 having been successively released, the envelope is further advanced by successive suction being applied at 64. A similar means at C<5> feeds the partly folded envelopes to chain conveyers D which are comprised of U-shaped members 69 coacting with a table T to feed the envelopes to a dryer. In a modification, where the paper &c. of the envelope has a stiff quality, a pair of cam-operated spring- urged grippers assist in maintaining the envelope against the suction apertures 51, the envelope, after action thereon by rolls similar to those referenced C<11>, C<4> being fed to the conveyer D by an oscillating suction arm. In this modification, however, the roll C4 is pivotally carried by spring biassed arms resiliently to engage the rolls C<11>, the presser bar 60 of which is fixed.