baber/WOPTO huggingface dataset:
Patent GB-1268077-A (GB)
Title: Improvements in or relating to packaging machines
Inventor: BLYTHER STANLEY CHARLES
IPC: B65B35/28
Filed: 1969-05-03
Abstract: 1,268,077. Feeding articles to packaging machines; pneumatic conveyers. L.R. INDUSTRIES Ltd. 27 April, 1970 [3 May, 1969], No. 22658/69. Headings B8A and B8C. In an apparatus for feeding articles A to a packaging machine, the articles A are fed by suction along a tube 1 to a loading position L and are effective, either directly or through a photo-cell 17, to cancel or substantially reduce the suction applied to the feed tube 1 until the article A at the loading position L has been moved on by means controlled by the photocell 17. As shown in Fig. 2 the feed tube 1 terminates above a rotary turret comprising open-ended transparent transfer tubes 6, the bottoms of which are closed by a fixed plate 7 having a foraminated portion 8 in communication with a suction line 9 at the loading position L. When an article A arrives at the loading position L it blocks the foraminated portion 8 and is detected by the photo-cell 17 which causes a ram 10 to push another article A from the transfer tube 6 situated at an unloading position U. When the ram 10 is retracted it activates a switch (MS1, Fig. 1, not shown) causing an indexing ram (13) to rotate the turret until an empty transfer tube 6 is situated at the loading position L. As shown in Fig. 3 the feed tube 1 terminates in a transparent tube 19 which forms a T-piece with a vertical tube 20. The tube 20 is closed by a gate 23 and has a foraminated portion 21 surrounded by a manifold 22 connected to a vacuum line 9 having a vent valve 25. When an article A is detected by a photo-cell 17 a ram 13 is actuated to open the gate 23 and the vent valve 25, and another ram 10 is extended to push the article out of the tube 20. In both the above cases the rams 10 push the article A into a forming tube 12 around which a packaging film F is folded and sealed to form a tube closed by a seal S 1 . The article A is pushed into the thus formed bag and a pair of jaws (not shown) are closed to form a closure seal S 2 , a new bottom seal S 1  for the next bag, and simultaneously sever the film between the two seals. The closed jaws then descend to position the partly formed bag ready for the next article A, and are then opened and raised ready to close the next bag.
Patent GB-1456757-A (GB)
Title: Pipe repair clamp
IPC: F16L55/172
Filed: 1974-05-21
Abstract: 1456757 Clamps DRESSER INDUSTRIES INC 21 May 1974 [24 May 1973] 22706/74 Heading E2B  A band clamp 15 for securing a sealing gasket 30, 32 around a leaky pipe 11 has a bridging piece 36 spanning the gap between its end-lugs 16, 17, the angle of the tensioning screws 24 and the reaction of lever arms 26 serving to press the bridging pieces against the gasket.
Patent GB-168334-A (GB)
Title: Improvements in punching machines
IPC: B23D27/00
Filed: 1921-08-27
Abstract: 168,334. Corset, L. A. M. Aug. 28, 1920, [Convention date]. Cutting shaped holes in plates.-In a machine for cutting sheet metal by punching overlapping holes a gauge pin is emploved, loosely passing through the die and contacting with the punch during the whole or a part of its stroke. An attachment for a drilling-machine, suitable for cutting thin sheets, comprises a frame 1, Fig. 1, located in the machine by a pin 28. The drill spindle drives a spindle 6 provided with a flywheel 9 and a cam 6' engaging a fixed cam 7 in the punch holder 2. The position of the stroke is regulated by a screwed bush 8. The die-holder 5 has a spherical seating in the frame and is clamped in adjusted position by three screws 20. The gauge pin 10 is carried by a holder 11 resiliently mounted by attachment at 19 to a spring 12. When it is required to depress the pin out of contact with the punch a handle 15, attached to the other end of the spring, is turned into position to pass down the vertical limb of an L-shaped slot in the tube 17. A stripper 24 is supported by a spring 25 and adjusted by a screw 26. In a modification arranged as a special machine for dealing with material of heavier gauge, the gauge pin 36 is adjustably mounted on a lever 44 actuated by an eccentric 51 on the crank shaft of the press. The proportions are preferably such that the stroke of the pin is about three times that of the punch. The pin rapidly retires during the cutting stroke and escape of the wads is facilitated.
Patent GB-256802-A (GB)
Title: An improved method of making earth contacts for wireless & electrical purposes
IPC: H01Q1/48
Filed: 1925-09-12
Abstract: 256,802. Eastick, J. C. N. Sept. 12, 1925. Earth-plates and earth connections.-Metal or carbon earth plates are formed with one or more depressions on the upper surface to retain moisture. In a modification, a rod or tube may have a number of funnel-shaped, pieces fastened to it. Hygroscopic substances such as copper sulphate may be used with the plates to improve the earth connection.
Patent GB-1267458-A (GB)
Title: Improvements in or relating to the preparation of foams
Inventor: BONDY CLEMENS
IPC: C08J9/30
Filed: 1969-05-05
Abstract: 1,267,458. Foamed coatings. REVERTEX Ltd. 4 May, 1970 [5 May, 1969], No. 22865/69. Heading B2E. [Also in Division C3] Substrates, e.g. woven or non-woven textile (e.g. rayon) webs, are coated with a solid foam by (a) preparing an aqueous dispersion comprising a film-forming polymer, and, by weight based on the polymer content of the dispersion, not less than 1.0% of a non-ionic surfactant, and from 0.5% to 7.5% of a blend of saturated or unsaturated C 8-20  fatty alcohols and/or a blend of fatty acid amides of the formula RCONR<SP>1</SP>R<SP>2</SP> in which R<SP>1</SP> and R<SP>2</SP> are each a hydrogen atom, or a C 1-6  alkyl or hydroxyalkyl group and R is a saturated or unsaturated C 8-20  aliphatic group, the blend being, a blend of those alcohols or amides which are liquid at 18‹C and/or those alcohols or amides which are solid at 18‹C such that the blend itself is liquid at 18‹C; (b) foaming the dispersion; (c) spreading the resulting foam on the substrate to form a layer not more than 15 mm. in thickness; and (d) drying the foam. The polymer may be a homopolymer or copolymer of esters of acrylic acid, esters of methacrylic acid, styrene, butadiene, isoprene, vinyl acetate, acrylonitrile, vinyl halides or vinylidene halides, or natural rubber.
Patent GB-830084-A (GB)
Title: Improvements in or relating to electrical contact-making devices
Inventor: LOWE WILLIAM THOMAS
IPC: H01R24/76
Filed: 1956-07-24
Abstract: 830,084. Jacks and plugs. POSTMASTER GENERAL. June 26, 1957 [July 24, 1956], No. 22899/56. Class 40 (4). To facilitate maintenance spring terminals are detachably mounted within an insulating sleeve. In the jack strip seen in Figs. 2 and 3 a block of insulator is bored from edge to edge to form adjacent socket housings each with a narrow mouth portion 3 and a wider inner region which is longitudinally grooved at three radial positions 7. The spring terminals are shown in Figs. 5 and 6 and each comprise a longitudinal U-sectioned rib 9 with projecting contact lugs near one end bent so as to form inwardly-directed elbows, between portions 10 and 11, which make resilient contact with a plug surface. Contact is also made with the rounded end portions 12. The U-sectioned rib of a terminal lies in one of the grooves 7 of the housing and in the case of that terminal providing the contacts nearest the mouth 3, the rib extends through the front surface of the housing where it provides an exposed surface for click testing. Behind the contact lugs of this terminal an insulating separator 14 is placed before insertion of the terminal providing the second set of contact lugs which are similarly spaced by an insulator 15 from the third and last set of contact lugs. To hold the terminals in place against the abutment provided by the mouth 3 of the socket housing a pressure block 16 bears against the last set of contact lugs under the action of a spring 20 secured to the block 16 and to a block 21 connected into the rear end of the plug housing by means of a bayonet fastening. An alternative construction is shown in Figs. 7 and 10 and uses terminals as shown in Figs. 11 and 12, each comprising a connecting-strip 42 and inturned contact lugs 43. The inturned contact lugs 43 project through apertures such as 44 in an hexagonally cross-sectioned plug sleeve of insulating material, the connecting strip 42 lying outside the hexagon and along its length. The open mouth of the sleeve is lined with metal and has a connecting-strip 41 which is connected to the sleeve contacts to permit a click test. The rear end of the plug sleeve contains a threaded insert 37 whereby the sleeve may be secured with its associated terminals in a bore of a jack strip housing as shown in Fig. 7. The bores in the housing are blind except for apertures to pass the connecting strips and a bolt 33 to engage the threaded insert 37.
Patent GB-1163838-A (GB)
Title: Improvements in or relating to Apparatus for Checking the Alignment of Motor Vehicle Wheels
Inventor: DENT JOHN WILLIAM
IPC: G01B5/255
Filed: 1967-05-17
Abstract: 1,163,838. Wheel alignment gauges. DENTLINE Mfg. CO. Ltd. May 17, 1967 No. 22912/67. Addition to 1, 015, 286. Heading G1X. The Specification describes a modified form of vehicle wheel alignment gauge of the type disclosed in Specification 1, 015, 286 which may be adapted for use in front of or behind a vehicle, or under a vehicle when disposed on a ramp.
Patent GB-243482-A (GB)
Title: Improvements in fluid pressure gauges
IPC: G01L7/22
Filed: 1924-09-29
Abstract: 243,482. Dommer, O. Sept. 29, 1924. Indicators.-To enable variations in the pressure of the air at two or more places in furnace installations to be observed readily two or more liquid containers A, B, C, are exposed through connections a, b, c, to the air at such places these containers being arranged directly adjacent to each other and communicating with similarly arranged liquid receptacles a<1>, b<1>, c<1>, in each of which latter a float with a pointer is provided. The scales over which the pointers move are preferably curved and for normal condition of working of the furnace the pointers lie on the same horizontal line. The pressure surfaces of the meters are arranged so that the pointers have easily comparable ranges of movement. Each float may be pivotally attached to a detachable slide to permit interchangeability.
Patent GB-1079943-A (GB)
Title: Improvements in or relaitng to colour television transmitting apparatus
Inventor: GREENFIELD RAYMOND LESLIE
IPC: H04N9/75
Filed: 1964-06-04
Abstract: 1,079,943. Colour television. MARCONI CO. Ltd. March 17, 1965 [June 4, 1964], No. 23245/64. Heading H4F. Colour captions are added to colour television pictures by means of a change-over switch 16 which is operated to change from its upper terminal 14 to its lower terminal 15 whenever a black-and-white camera 3 or flying-spot scanner viewing a caption produces an output representative of other than black, the upper terminal being connected to an N.T.S.C. signal source 1 and the lower terminal being connected to a sub-carrier source of fixed phase and amplitude determined by adjustment of elements 6 and 7. A stage 10 is included and all the signal sources are blanked in common. The sub-carrier is superimposed on a D.C. signal and adjustable clamp means are included in the circuits to the two switch terminals to permit the mean level of one signal to be adjusted relative to the other. The invention may be applied to SECAM (R.T.M.) signals, in which the sub-carrier conveys hue information in terms of its frequency, by replacing element 7 by a device which permits adjustment of frequency. Element 7 may be constructed for remote control electrically.
Patent GB-1275327-A (GB)
Title: Polyglycolic acid filament for preparing absorbable sutures of enhanced in-vivo strength retention, and a method and apparatus for preparing same
Inventor: GLICK ARTHUR
IPC: A61L17/14
Filed: 1970-05-13
Abstract: 1275327 Polyglycolic acid filaments AMERICAN CYANAMID CO 13 May 1970 23245/70 Heading B5B Polyglycolic acid filaments which are useful in making sutures absorbable by living tissue are substantially free of vaporizable impurities, as shown by the filaments losing less than 0À4% by weight when heated for 3 hours at 135‹ C. under an absolute pressure of 4 mm. of mercury in the presence of a cooled solid surface maintained at 25‹ C., said surface being 2 inches away from the filaments. Such filaments may be prepared from polyglycolic acid filaments containing vaporizable impurities, by heating such filaments in a substantially dry environment at a temperature of from 75‹ to 160‹ C. at an absolute pressure below 760 mm. of mercury pressure, removing the vaporized impurities from the immediate environment of the heated filaments, continuing the heating until the filament exhibits a weight loss of less than 0À4% (determined as above), and cooling the filaments. The filaments subjected to the above heat treatment may have been prepared by melt-spinning a polyglycolic acid having a Melt Flow Rate (determined by a modification of ASTM Tentative Test Method D1238-65T) of less than 2 g./10 min. at 230‹ C. using a 35 mil. diameter orifice. The heat treatment may be effected by means of an apparatus comprising a housing containing an air-tight chamber therein, a cylindrical support means adapted to have a plurality of polyglycolic acid filaments wrapped around it, means for heating the support means, means for cooling the inner surface of the wall of the chamber, and means for creating a subatmospheric pressure within the chamber.
Patent GB-442728-A (GB)
Title: Improvements in and relating to the production of artificial filaments and particularly such as are adapted for use for textile purposes
IPC: F01D1/08
Filed: 1934-08-11
Abstract: <PICT:0442728/IV/1> Artificial filaments are formed by extruding a stream of a composition containing for example cellulose acetate, cellulose nitrate, viscose or cuprammonium cellulose, and at the same time extruding within and coaxially with the said stream, a stream of a solution or dispersion of dye or colouring matter in a volatile solvent so that the dye or colouring matter permeates or forms merely a superficial coating on the inner walls of the filaments. The inner composition may contain liquids in which the material forming the outer walls of the filament is insoluble, and which therefore function to precipitate this material from the outer composition. The inner coloured composition travels through a passage 4 in a tubulure 3 to which is connected a tube 5 carrying a jet 6 at its far end.  A member 7 formed with a helical gap 9 fits within the tube 5 and surrounds a wick 11 along which the coloured composition travels to the jet 6.  The outer composition enters the tube 5 by way of passage 10 and flows along the gap 9 to issue from the jet 6 as a tubular filament surrounding the inner composition.  The filament is drawn out or attenuated by dies to the desired thickness.  The volatile solvent of the inner composition evaporates to leave a superficial coating of extreme thinness on the inner walls of the filament.  According to the Provisional Specification, the inner composition may contain rubber, chlorinated rubber, synthetic or natural resins, or a cellulose derivative, and the wick may be dispensed with, one solution being extruded from a jet arranged within the jet from which the other is extruded.
Patent GB-702141-A (GB)
Title: Improvements in or relating to internal shoe-drum brakes for power vehicles
IPC: F16D65/09
Filed: 1950-09-22
Abstract: 702,141. Internal shoe-drum brakes. TEVES, A., TEVES, H., and TEVES, E. A., [trading as TEVES MASCHINEN UND ARMATURENFABRIK KOMMANDIT-GES., A.]. Sept. 22, 1950 [Sept. 23, 1949], No. 23315/50. Class 103(1) In an internal shoe-drum brake of the servo type wherein an actuator, such as a double acting hy draulic cylinder 2, acts uniformly on both shoe! the free ends of which slidably abut a movable transmission member, such as the lever 9, arranged on the brake anchor plate, and the servo force exerted by one brake shoe through the transmission member is resisted by resilient means acting to automatically centre the shoes, the resilient means comprise one or more compression springs 13. As shown in Fig. 1, the springs 13 are mounted between collars on bolts 12 pivoted on the lever 9 which is itself pivoted to the anchor plate by a bolt 8, the inner collars bearing against shoulders 14 rigid with the brake shield when force is transmitted from one shoe to another. In another arrangement shown in Fig. 2, the transmission member is in the form of a push rod 20, a collar 23 on which bears against compression springs 24 and 25 on either side within a rigid housing 19. In a further arrangement described the housing contains a single compression spring only.
Patent GB-1203922-A (GB)
Title: Manufacture of town gas
Inventor: MARTENS GERHARD
IPC: C01B3/38
Filed: 1969-05-07
Abstract: 1,203,922. Making town gas. VICKERSZIMMER A.G., PLANUNG UND BAU VON INDUSTRIEANLAGEN. 7 May, 1969 [7 May, 1968], No. 23363/69. Heading C5E. A liquid hydrocarbon feedstock which boils below 140‹ C. and contains high-boiling, and optionally low-boiling, organic sulphur compounds is gasified in a thermal-catalytic cracker by separation in a rectifying column into a high-boiling fraction containing the highboiling compounds and one or more low-boiling fractions, at least one of which is free of the compounds. Part at least of this fraction is cracked utilizing heat supplied by the highboiling fraction. Air and/or steam is reacted with the hydrocarbon in the cracker, and part of the low-boiling fraction(s) may be mixed with the cracking gas, after the gas has traversed a CO-converter. If the feedstock contains lowboiling S compounds, two columns may be used in series, see Fig. 2 (not shown), the second fractionating the high-boiling fraction from the first, to produce a middle fraction which is cracked. Typical feedstocks are light petrols.
Patent GB-275811-A (GB)
Title: Improvements relating to shafts particularly for golf clubs
IPC: A63B53/10
Filed: 1926-09-22
Abstract: 275,811. Barrett, H. G. Sept. 22, 1926. Shafts.-A flexible shaft for a golf club or other implement which is subjected to violent impact in a direction transverse to the longitudinal axis of the shaft embodies a tapered core and a separate seamless tube of non.metallic hard and flexible material forming a tapered protecting and reinforcing casing of a length coextensive with the length of the portion of the core that is disposed between the grip and head of the implement, the casing being telescoped over the core and wedged thereon, the casing and core having contact throughout the entire length of the casing and being independent of each other, and the core and the interior of the casing increasing in diameter towards the grip end of the club. As shown, a seamless casing 11 of pyroxylin is fitted closely over a tapered core 10 of metal or wood which may be solid or tubular. The casing may terminate short of the ends of the core as shown, or may extend the whole length thereof.
Patent GB-183381-A (GB)
Title: Improvements in water boilers
IPC: F24H1/12
Filed: 1921-09-02
Abstract: 183,381. Love, H. M. Sept. 2, 1921. Geysers; internally-fired boilers.-A hot-water boiler comprises a cylindrical jacket surrounding a combustion chamber, the jacket being divided into a number of compartments connected by horizontal cross-tubes in such a way that the water flows by gravity from the inlet to the outlet. The partitions are made by vertical members of H-section A - - E and two horizontal U-section members F, G between the members A, B and two similar members H, I between the members C, D. The water supply is controlled by a ball cock in a cistern q suspended within the combustion chamber and provided with holes q<1> for the escape of the hot gases. The flow of water follows the direction indicated by arrows in Fig. 1 until it reaches the compartment b<3>, whence it flows to D<1>, the member D being cut short at I and thence by the cross-tubes 6 to the compartments C<1>, B<1> and is drawn off at y. Circular baffle-plates v with segmental portions cut away are arranged in the combustion chamber and they may be perforated. The supporting-base member b is provided with grooves x for collecting condensation drips. The burner rests on removable bolts g in the base h which is provided with slots o.
Patent GB-806971-A (GB)
Title: Improvements in or relating to the heat-treatment of uranium
Inventor: GROGAN JOHN DOUGLAS
IPC: C22F1/18
Filed: 1945-09-11
Abstract: The mechanical properties of uranium and uranium alloys are improved by annealing the metal at a temperature below the a-b  transformation temperature but high enough to produce strain relief and aggregation of impurities.  The annealing may be carried out at 500-650 DEG C for 2 to 20 hours in an inert atmosphere or at a pressure not exceeding 10-2 m.m. of mercury.  The uranium may be cold worked or subjected to heating to 800 DEG C before annealing.  A uranium metal consisting of U 99.94 per cent; Fe 0.014 per cent; Si 0.0057 per cent; Cu 0.0021 per cent; Ni 0.004 per cent; Al 0.0214 per cent; C 0.0304 per cent; N 0.003 per cent; with each of the following less than 0.001 per cent Mn, Cl, Pb, Cr, Li, Cd, B, O, and H is described and alloys containing 97 per cent U with one or more of the following elements Fe 1 per cent, Si 1 per cent, Ni 1 per cent, Mo 2 per cent, Al 1 per cent, Be 1 per cent are stated to give satisfactory results. Reference is made to Specifications 766,061 and 806,001.
Patent GB-1476501-A (GB)
Title: Rotary piston machines
IPC: F01C1/40
Filed: 1974-05-28
Abstract: 1476501 Rotary positive-displacement fluid-machines JIM ARTAJO 28 May 1974 [27 June 1973]  23545/74 Heading F1F In an I.C. engine pistons 301 are pivotally mounted on arms 202 attached to an output shaft 201 and pivotally connected to links 307, the profile of the peripheral wall of the working chamber being of trochoidal form and comprising alternating primary and secondary curves. The pistons are furnished with radial seals 303, 310 to define spaces that communicate sequentially with an air inlet port 105, a fuel injection nozzle 103, and an exhaust port 107 as the pistons revolve. Lateral seals 303 on the pistons engage with "flanks" 110 on the housing 101. Combustion chambers 306 are formed in the pistons. Ducts 109 for a cooling fluid e.g. air or water, are provided in the housing. The engine may be modified to operate as a compressor, a motor, or a pump.
Patent GB-1101840-A (GB)
Title: Electrical frequency changer
IPC: H02M5/32
Filed: 1965-06-03
Abstract: 1,101,840. Frequency changing; changing number of phases. ALLMANNA SVENSKA ELEKTRISKA A.B. 3 June, 1965 [4 June, 1964], No. 23643/65. Heading H2F. An arrangement for providing a low frequency (say 0À1 c/s.) from a mains supply (50 c/s.) comprises a transformer 8 which is fed from a transformer 4 through a fixed centre contact 4 and a movable contact 6, the transformer 4 being fed from an adjustable autotransformer 1. The contact 6 moves about the centre point with S.H.M. at the required low frequency, so that the amplitude of the voltage applied to the transformer 8 is sinusoidal; and there is a reversal of the phase of the highfrequency voltage whenever contact 6 crosses the mid-point. A conducting element 13 on a disc 12 rotating at ¢ synchronous speed is arranged to connect the output of the transformer 11 to a load capacitor 17 once every cycle (at peak voltage) so that the voltage on the capacitor provides the required L.F. voltage. Voltage doubling arrangements are disclosed using two discs (Fig. 3, not shown), and one disc (Fig. 4, not shown). Arrangements providing conversion from 3-phase high-frequency voltage to single-phase low-frequency voltage are also contemplated. The rotating disc-switching mechanism may be replaced by non-rotating mechanical contacts or electronic switches.