baber/WOPTO huggingface dataset:
Patent GB-741100-A (GB)
Title: Improvements in or relating to reciprocating compressors
IPC: F04B49/24
Filed: 1953-03-30
Abstract: 741,100. Compressors. CARRIER ENGINEERING CO., Ltd. March 30, 1953 [Oct. 2, 1952], No. 8798/53. Class 8(1). A compressor is regulated by means of a bypass valve 27 controlling an aperture 22 in a valve plate 4, connecting the discharge space in the cylinder head and the suction manifold 23. The valve 27 operates in a cylinder 26 connected to a control pipe 30 which is connected to a three-way valve 35 connected by a pipe 36 to a control valve 37 which by means of ball valves 42, 47 operated in one direction by a spring 50 and in the other by a piston 39 subjected to the pressure in the lubricating system, connects the pipe 36 either to suction or delivery pressure. The connection 51 to the valve 35 is subjected to suction pressure. The cylinder head space communicates with the discharge manifold 15 through a valve 16. The suction manifold 23, which may be common to several cylinders communicates through ports 9 in the cylinder, chambers 8 in the piston, inlet valve 11 on the piston head with the compression space. The cylinder discharges through valve 13 to the cylinder head space.
Patent GB-212756-A (GB)
Title: Improved method of and means for preventing arc-formation and sparking in commutators, interrupters and the like electric switches
IPC: H01H5/18
Filed: 1923-03-28
Abstract: 212,756. Benedetti, E. March 28, 1923. Switches, quick-action; contacts.-A switch comprises a movable contact i mounted on a resilient blade h secured to the outer end of a pivoted lever c and provided with wings k, l o. The end of the blade is adapted to engage a pivoted stop q. When the lever c is rocked, the wings k, l are first brought into engagement with the member o and the movable contact i wiped over the fixed contact p and the wings are then withdrawn from the member o and the blade springs outwards to break circuit. In the case of a slight overload the blade h will move against the inner side of the pivoted stop q and may readily return to the closed position by the action of a spring d, but with a heavy overload it will move to the outside of the stop where it will be prevented from returning to closed position until the stop q has been operated. The stop q has ears s, t and is controlled by a spring r so that when pressure is applied hereto, the blade h will move clear of the ear s and engage the ear t and, on release of the pressure, will move clear of the ear t into engagement with the fixed contact p. Stops f, g, v are provided for limiting the movements of the lever c and blade h. The lever c mav be magnetically or mechanically actuated to break circuit, or may be actuated by movement due to the heating of electric circuits.
Patent GB-1464391-A (GB)
Title: Charge coupled device exposure control
IPC: G11C27/04
Filed: 1974-02-27
Abstract: 1464391 Semi-conductor devices FAIRCHILD CAMERA & INSTRUMENT CORP 27 Feb 1974 [21 May 1973] 8957/74 Heading H1K A charge coupled device is used as an exposure control device by transferring charge 17a accumulated in a light sensing region to a charge sink by lowering the potential 16b in an intermediate region, raising the potential 16b to a level which allows a given amount of charge 17a to accumulate in the light sensing region and excess charge 17b to transfer to the sink, transferring, after a given time, the charge 17a to an adjacent region by lowering the potential 16d of the adjacent region and of a second intermediate region to less than the potential 16c of the light sensing region, and raising the potential 16d of the second intermediate region to above that on said adjacent region on completion of the charge transfer to the adjacent region. The charge sink is a PN junction formed by an N+ region 15 in a P-doped substrate 11 and a P+ region 14 forms a channel stop zone. In an alternative embodiment, a P region (19), Fig. 3, (not shown) is formed adjacent the sink region 15 and electrodes 13d and 13c are joined together so that the potential (16m) in the first intermediate region is always at a fixed level above the potential 16c but below the potential 16d so that excess charge 17b is drained to the sink region 15.
Patent GB-472587-A (GB)
Title: Improvements in and relating to rotary bits for rock and like boring
IPC: E21B10/42
Filed: 1937-03-30
Abstract: 472,587. Drill bits. BALFOUR, F. H., MACHAN, A., and ALLEN, H. J. J. March 30, 1937, No. 8997. [Class 83 (iii)] A rotary drill for rock, coal, &c. has a pilot cutter 5 and following cutter 4 of larger diameter, the cutting edges 5a of the pilot being at right-angles to the cutting edges 4a, of the cutter 4. The outer diameter of the cutting edges 5a is larger than the inner diameter of the cutting edges 4a, and both are preferably tipped with tungsten carbide. A square or rectangular portion 5c on the cutter 5 engages a driving recess 4c in the cutter 4 and a cylindrical shank 6 enters a hole 4d in the base of the recess 4c and is secured by a screw 7 engaging a flattened taper on the shank. The cutter 4 has driving dogs 2 and a cylindrical shank 1.
Patent GB-1421072-A (GB)
Title: Iron-on interlinings
IPC: D06N7/04
Filed: 1973-02-23
Abstract: 1421072 Adhesive-coated fabrics CARL FREUDENBERG 23 Feb 1973 [25 Feb 1972] 9033/73 Heading B2E [Also in Divisions B4, B5 and C3] Iron-on interlinings comprise woven, knitted or non-woven fabrics coated with a heat activatable adhesive composition comprising a mixture of (1) 100 parts by weight of a polyethylene resin having a melt index of 0.2 to 50 and a molecular weight of more than 22000 and (2) 5 to 45 parts by weight of a terpene resin having a softening point of 60 to 120C. The terpene resin is preferably a #-pinene resin and the compositions may also contain pigments, fillers and stabilisers. The adhesive may be applied in the form of powder, film or fibres, and the coating is preferably continuous. In examples the adhesives are applied to non- woven fabrics.
Patent GB-671596-A (GB)
Title: Improvements relating to briquetting processes
IPC: B30B9/32
Filed: 1950-04-12
Abstract: 671,596. Consolidating scrap. LINDEMANN, W. April 12, 1950 [Oct. 1, 1948], No. 9035/50. Class 83 (iv). In a press for consolidating metal scrap the charging opening to the pressure chamber 2, Fig. 3, is closed by the press ram 3 only when the ram approaches the end of its stroke. Scrap may be continuously fed on conveyers to the charging opening, a plate 6 on the ram 3 completely closing the opening as the ram reaches the end of its stroke and co-operating shearblades 4, 5 on the ram and lid severing the projecting scrap as the gap closes. The lid 7 covering part of the charging opening normally remains closed but may be opened by a ram 13 for passing bulky scrap. The length of the piston-rod 14 for the ram 13 is adjustable for setting the clearance between the blades 4, 5. The blade 5 is disposed below the pivot point of the lid 7 so that the shearing action tends to close the lid. Press plates 20 operated by transversely-disposed rams 12, Fig. 4, complete the consolidation of the scrap and these rams, the ram 3 and the lid ram 13 may be automatically controlled in co-operation with the feeding device for the scrap. In a modification the lid 7 may be replaced by a fixed wall.
Patent GB-565858-A (GB)
Title: Machinery for handling concrete blocks
IPC: B65G67/14
Filed: 1943-04-16
Abstract: 565,858. Load - handling machines. STANCLIFFE, C. W., and WINGET, Ltd. April 16, 1943, No. 9060/44. Divided out of 567,912, [Group V]. [Class 78 (iii)] [Also in Group V] Concrete blocks 4 resting on platens 5 of inverted channel cross-section in a multiple reinforced-concrete mould 7 are delivered, on a wheeled truck 1, under an apparatus for lifting them out of the moulds. This lifting apparatus is carried on a second wheeled truck 8 and comprises a central portion 13 from which extend, on either side thereof, fingers 11, and hydraulic cylinders 15. As the truck 1 moves into position, the (hollow) platens 5 are threaded on to the fingers. The portion 13, with one set of its fingers carrying the platens and blocks, is then raised by the hydraulic cylinders 15 to the position shown in Fig. 1. Then a wheeled carrier 16, having four beams 20, is run into position from right to left, Fig. 1, the beams passing underneath the fingers and the ends of the beams being supported on a rest 22. Next, the truck 8 is moved away (away from the observer, Fig. 1), the fingers being withdrawn from the platens, leaving the latter resting on the beams 20. Then a member (not shown) moves to the right, Fig. 1, bunching the platens and blocks into close, abutting formation. The carrier 16 then moves away to the right, and the beams are turned clockwise on a spindle 21, the blocks being stacked vertically, on their sides, on bearers. The platens are then, separated from the blocks, spaced apart on the beams, re-threaded on the other set of fingers 11, lowered on to a truck and taken to the block-forming station. The apparatus deals with twenty-eight blocks at a time, fourteen on each pair of beams 20.
Patent GB-163868-A (GB)
Title: Improvements in metal pickling or cleaning
IPC: C23G1/08
Filed: 1920-03-29
Abstract: 163,868. Rustproofing Syndicate, Ltd., and Newman, T. F. March 29, 1920. Pickling.-A bath for removing scale from iron . or steel articles contains ferrous sulphate and sulphuric acid. To accelerate the action, hydrochloric or nitric acid or both may be introduced. As an example, the solution contains 38 lb. of ferrous sulphate dissolved in 300 gal. of water and 112 lb. of sulphuric acid (sp. gr. 1.84). In addition, 16 lb. of nitric acid or 20 lb. of hydrochloric acid with 12 lb. of nitric acid may be added to the solution.
Patent GB-377725-A (GB)
Title: Improvements relating to the stabilising of ships
IPC: B63B39/06
Filed: 1931-03-25
Abstract: 377,725. Stabilizing ships. GRAY, P. W., 15, Victoria Street, London.-(Sperry Gyroscope Co., Inc. ; Manhattan Bridge Plaza, Brooklyn, New York, U.S.A.) March 25, 1931, No. 9162. [Classes 113 (i) and 113 (ii).] The pitching of ships is suppressed by providing at the bow and stern stabilizing fins controlled by a gyroscope and designed to have their feather instantaneously reversed on a reversal of the -direction of pitch. The fins 1, 1<1> located in a watertight compartment in the bull-nosed bow 2 are mounted on shafts 3 having pinion sectors 8, 9 gearing with rack-bars 7 which are operated by a hydraulic cylinder 10 to feather the rudders the extent of the feather being controlled by the. prevailing amplitude of pitch, the linkwork controlling the cylinder comprising the lever 14 connected by a link 17 with a friction clamp 19, Fig. 4, embracing the drum 20 and operating between the stops 181, 18<11>. The gyroscope 33 through the pinion sector 34 and subsequent gearing imparts its movements to the trolley 39 with reversing contacts and the follow-up motor 42 responds to the impulses of the trolley through suitable gearing. The follow-up motor operates the drum 20 and with it the friction band 19 which in turn operates the lever 14 and through the operation of the hydraulic cylinder 10 actuates the fins, the arm 18 being snapped alternately against the upper and lower stops 18<1>, 18<11>. The follow-up motor further operates a pin 24 which activates scissors 23 controlled by springs and a dashpot 29. These scissors through the linkwork shown control the position of an arm 21 in a slot 22 in the arm 14 and thereby influence the amount of feather of the fins in accordance with the character and speed of the pitching motion. The fins are further provided with centralizing gear which permits their withdrawal into their housings through rack gear only when the mechanism is in a central position.
Patent GB-796451-A (GB)
Title: Improvements relating to gloves and the manufacture thereof
IPC: A41D19/02
Filed: 1956-03-23
Abstract: 796,451. Gloves. RICH, E. March 22, 1957 [March 23, 1956], No. 9164/56. Class 141 In a glove having a portion at the wrist folded inwards along a line 3 and an inclined slit 4 extending in from the folded edge, the material at the edges of the slit is sewn together. The slit is formed by making an obtuse V-shaped cut in the trank, e.g. by a suitable chisel. The folded edge may be turned after sewing to form an inseam along the slit edges. The edge of the folded-over portion may be handfelled.
Patent GB-460745-A (GB)
Title: Apparatus for diathermic treatment
IPC: A61N1/40
Filed: 1936-03-27
Abstract: 460,745. Valve generating circuits. STANDARD TELEPHONES & CABLES, Ltd. (Federal Telegraph Co.) March 27, 1936, No. 9178. [Class 40 (v)] [Also in Group VI] In a diathermy apparatus comprising a high-frequency oscillator and an output circuit coupled thereto, the output circuit comprises an inductance 34 and a variable condenser 36, the mid points of both of which are earthed through a high-frequency choke 35 and directly respectively. As shown, the circuit includes coils 32, 33 constituting the coupling to the oscillator, and the condenser 36 comprises two equal series condensers the inner plates of which are movable as a unit. A measuring circuit across coil 34 includes a thermocouple 37 connected through highfrequency chokes 38 to a direct-current meter 40 shunted by a condenser 41 to byepass highfrequency current : 42, 43 are the patient terminals. The oscillator comprises inductances 31, 29, connected respectively to the anodes 19, 20 and the grids 21, 22 of a pair of valves 17, 18. The mid points of coil 31, 29, are connected through high-frequency chokes 30, 28 to the opposite ends of the secondary of a mains transformer 23. an intermediate point 26 of which is earthed. A condenser 27 absorbs mains-frequency currents. The valve filaments are supplied from the secondary of a mains transformer 5 through terminals on a terminal strip 2, one of which is earthed, and chokes 10, 11. A voltmeter 14 having a high-frequency byepass condenser 15 is connected across the filaments through high-frequency chokes 12, 13. The primaries of transformers 5, 23 are provided with tappings for various voltages and are connected to a mains plug 1 through the terminal strip 2 and a mains switch 3, a rheostat 4 being provided for transformer 5. The point 26 in transformer 23 may be connected directly to the filament circuit instead of being earthed. A blower 16 energized from the mains is employed to cool the apparatus within its enclosing cabinet.
Patent GB-1497966-A (GB)
Title: Dyestuff forming agents
IPC: D06P1/42
Filed: 1976-03-08
Abstract: 1497966 Methine dye-formers BAYER AG 8 March 1976 [8 March 1975] 09184/76 Heading C4P [Also in Division Dl] Compounds which form a dye on contact with acidic materials are of formula (in which the or each R 1  is independently halogen, alkyl, alkenyl, cycloalkyl, carbalkoxy, cyano, nitro or alkoxy; R 2  is H or alkyl; R 3  is H, halogen, alkyl or alkoxy; R 4  and R 5  are each alkyl, alkenyl, cycloalkyl, aryl or aralkyl; R 6  is H, alkyl or alkoxy; n is 0-4; the above hydrocarbon and alkoxy radicals optionally contain one or more non-ionic substituents). The compounds are prepared by reacting the corresponding styryl indolenine compound (which may be prior formed in situ) with an acrylamide compound followed by treatment with alkali to form the lactam ring. Alternatively a corresponding N-cyanoethyl styryl dye may be hydrolysed with conc. H 2 SO 4  and then treated with alkali. The examples relate to dyes in which n is 0 or 1; R 1  is Cl, CH 3 , NO 2  or CN; R 2  is H; R 3  is H or CH 3 ; R 4  is CH 3 , C 2 H 5  or C 2 H 4 CN; R 5  is CH 3 , C 2 H 5 , benzyl, ethoxyphenyl or methoxy-, ethoxy-, chloro- or cyano-ethyl; R 6  is H. The compounds are particularly useful for heat transfer printing and may be used with disperse dyes (see Division D1).
Patent GB-541380-A (GB)
Title: Improvements in or relating to electric transmission networks
IPC: H05K9/00
Filed: 1940-05-24
Abstract: 541,380. Impedance networks. STANDARD TELEPHONES & CABLES, Ltd., and SMYTH, C. N. May 24, 1940. No. 9187. [Class 40 (iii)] [Also in Group XXXVI] In apparatus operating at ultra high frequencies a condenser has terminals so arranged that parallel electrodes form the conductors of a loaded transmission line between the terminals, thus acting as a filter for suppressing extremely high frequencies. In the example a thin copper strip 1 is separated by dielectric 3 from two thicker interconnected copper strips 2. Input terminals are provided at or near adjacent ends of each plate. In a modification one of the outer electrodes is constituted by a part of a set chasis or casing. Specifications 309,833, [Class 40 (v)], 367,147, [Group XXXV], and 513,660 are referred to.
Patent GB-104612-A (GB)
Title: An Improved Process for the Glazing of Picture Frames and the like.
Inventor: VALENTINE HARBEN JAMES
IPC: A47G1/06
Filed: 1916-06-30
Abstract: 104,612. Valentine, H. J. June 30, 1916. Picture and like frames are glazed with' transparent film or tissue which is moistened over a vapour bath or with a very fine spray, attached by adhesive or 'by its own adhesiveness to the frame, and then allowed to dry. One side of the film may be covered with a solution of collodion to provide it with a strong, tough, and waterproof protection.
Patent GB-811277-A (GB)
Title: Ignition device for gas apparatus, particularly for gas water heaters with enclosed combustion chamber
IPC: F24C3/10
Filed: 1957-03-21
Abstract: 811,277. Igniting gas burners. VAILLANT, H., [trading as VAILLANT KOMM.-GES. J.]. March 21, 1957 [April 11, 1956], No. 9255/57. Class 75(3) In an ignition device for gas apparatus, especially gas water heaters, having a combustion chamber which does not communicate directly with the space in which the apparatus is installed, which comprises an ignition chamber having closable openings communicating respectively with the combustion chamber and the outer space, means are provided whereby one of the openings is closed before the other is open. In the form shown, the device comprises a housing 3 mounted on the wall of the combustion chamber 1 and containing an ignition jet 5. A hollow slide 9 is movable within the housing to one of two extreme end positions under the control of a click 11 operating on a double cone surface 12. In one position, orifices 6, 7 in the housing 3 coincide with orifices 14, 15 in the slide. The jet 5 is ignited through orifices 6, 14, air being admitted by the orifices 7, 15. In the other position, an orifice 16 opposite the jet 5 coincides with an opening 8 in the wall of the combustion chamber. The slide is operated by a key 10, slight pressure on which causes the slide to open a valve supplying a small quantity of gas to the jet 5. Further pressure causes the slide to click over to the opposite position, opening a second valve to cause an increase in the gas supply to the jet.
Patent GB-1135292-A (GB)
Title: Load handling vehicle
IPC: B66F9/065
Filed: 1966-03-03
Abstract: 1,135,292. Mobile load handling machines. INTERNATIONAL HARVESTER CO. 3 March, 1966 [16 April, 1965], No. 9326/66. Heading B8H. An articulated load handling vehicle includes a pair of elevating booms 24 pivotally mounted at 26 to a frame 16 at the front of the vehicle, a pair of supports 34 pivoted at 36 to the booms 24 and pivotally supporting two pairs of grab tongs 44, 60 pivoted together at 62, and a rigid link 38 pivotally coupled at 40 and 42 to the frame 16 and the supports 34 to control the attitude of the latter during elevation. The relative lengths of the booms 24 and the link 38 and the distances between the pivot points thereof are such that during elevation the tong supports 34 firstly tip forwardly and then tip rearwardly Fig. 2 (not shown). The boom movement is controlled by a pair of hydraulic rams 28, the movement of the grab tongs relative to the supports 34 is controlled by an hydraulic ram 56 and the movement of the pairs of tongs relative to each other is controlled by a pair of hydraulic rams 64.
Patent GB-810578-A (GB)
Title: Vinyl resin compositions stabilized with lead chloride-lead silicate complexes
IPC: C08K3/34
Filed: 1957-03-21
Abstract: Basic lead chloride-lead silicate complexes may be prepared by slurrying litharge and silica in aqueous solutions of hydrogen chloride, dewatering the slurry on a filter and heating the filter cake at 490 DEG  C.  The complexes may be used as stabilizers for vinyl halide resins (see Group IV (a)).  U.S.A. Specification 2,379,270 is referred to.ALSO:Vinyl halide, e.g. chloride, polymers and copolymers, e.g with vinyl acetate, methyl methacrylate, ethyl methacrylate and vinylidene halides, are stabilized by incorporating therein basic lead chloride-lead silicate complexes.  The compositions may contain plasticizers, e.g. di-2-ethylhexyl phthalate, tricresyl phosphate and "Paraplex" (Registered Trade Mark) or mixtures thereof, and fillers and pigments, e.g. clay, and may be calendered into sheets.  U.S.A. Specification 2,379,270 is referred to.
Patent GB-958024-A (GB)
Title: Process for the recovery of formaldehyde from aqueous solutions thereof
Inventor: MEISSNER FRITZ
IPC: C07C47/04
Filed: 1960-05-16
Abstract: Formaldehyde is separated from aqueous solutions containing it, e.g. solutions containing pentaerythritol and formaldehyde, by passing the non-alkaline solution countercurrently to steam through a distillation column maintained at such superatmospheric pressure that the formaldehyde distils off at a temperature above 130  DEG C., but not exceeding 200  DEG C., the average residence time of the solution in the distillation zone being a period, not exceeding 30 minutes, such that the constituents of the solution undergo no side reactions. In an example, a neutral solution of pentaerythritol and formaldehyde is supplied to the top of a packed column; and steam at a pressure of 8 atm. (gauge) is introduced into the lower part of the column.  A mixture of steam and formaldehyde vapour is withdrawn from the top of the column, and an aqueous solution of pentaerythritol is withdrawn from the base.  The residence time of the solution in the column is one minute.  The heating steam may be produced by evaporating some of the solution from the base of the column in a film evaporator, and passing the steam so formed into the column.  The solution of pentaerythritol withdrawn from the distillation zone may be concentrated in a multiple-effect evaporator, the vapours from the top of the column being used to heat the first stage. Specification 757,564 is referred to.
Patent GB-829681-A (GB)
Title: Measurement of dewpoint
Inventor: GILLI PAUL
IPC: G01N25/70
Filed: 1956-03-26
Abstract: 829,681. Measuring humidity. GILLI, P. March 26, 1950, No. 9369/56. Class 40 (1) [Also in Group XX] A positively propelled current of moist gas is cooled below the dewpoint under controlled conditions and the temperature of the cooled gas is used for continuous evaluation of its dewpoint. In the form shown in Fig. 1 a sample of the gases from a flue 1 is continuously removed at 2 and returned at 10 by a blower 7. The gases are first reduced in temperature in a pipe 3 surrounded by a water jacket 4 maintained at a constant temperature by a heater 5 and thermostat 6. Alternatively, boiling water may be used. The gases are further cooled in a pipe 8 in a jacket 12 and finally cooled below the dewpoint in a pipe 9 in a jacket 11. Cooling air is passed successively through the jackets 11, 12, Fig. 2, shows the air continuously circulated by a blower 13 through jackets 11, 12 and a pipe 14 in a jacket 16. A thermostat 15, exposed to the air from the blower, is connected to a valve 17 controlling the supply of cooling water to the jacket 16. The temperature of the gas in the pipe 9 is a measure of the dewpoint and a temperature indicator may be calibrated directly. The indication may be furnished by the expansion of a tube within the tube 9 relatively to an Invar reference member or may be thermo-electric. The gas sample may be cooled in stages to indicate the dewpoints of different vapours in the gas. The same cooling air may produce the successively stages of cooling, or the gas itself, when cooled below the lower dewpoint may be used to cool itself to the upper dewpoint.