baber/WOPTO huggingface dataset:
Patent GB-1451830-A (GB)
Title: Apparatus for processing video signals
IPC: H04N17/00
Filed: 1974-06-26
Abstract: 1451830 Video signal peak level measurement INST ELEKT I VYCHIS TEKHN AKAD NAUK LATVI SSR and LATVI NI INST EXPERIMENT I KLINICH MEDITSINY 26 June 1974 28313/74 Heading H4F Apparatus for measuring the peak levels of a video signal to be analysed comprises a comparator 1 to which the video signal is applied; a switching arrangement 7 receiving frame, line, trigger and if desired mask signals at inputs 23- 26, an output 8 being coupled to the comparator 1; a timing pulse generator 6; and at least one video signal peak clamping channel, e.g. white peak clamping channel 2 and/or black-white transition peak clamping channel 3 and black peak clamping channel 4. Each peak clamping channel includes a coincidence circuit 9 having three inputs respectively connected to the comparator 1, the switching arrangement 7 and the timing pulse generator 6; a pulse counter 10 receiving outputs from the circuit 9 and switching arrangement 7; a digital-analogue converter 11 receiving the output of the counter 10 and a reference voltage Uo and passing an output back to the switching arrangement 7. Preferably one clamping channel, e.g. channel 3, is connected to the comparator 1 via an inverter 5. The reference voltage fed to the converter of channel 3 may comprise the output of the converter of channel 2, and the reference voltage fed to the converter of channel 4 may comprise the output of the converter of channel 2 or channel 3 (Figs. 2 and 3, not shown). The outputs of the counters 10 of the channels are preferably supplied to a peripheral device 22 which may comprise an indicator, display, printer or digital computer. The clamping channels are enabled field sequentially by the outputs 15, 16 and 17 of the switching arrangement, the comparator 1 acting on the video signal input and the output of the respective digital-analogue converter 11 which is switched to output 8 of the switching means. The video signal levels in analogue form at the outputs of converter 11 may also be fed to peripheral devices effecting video quantizing at any clipping level.
Patent GB-1076024-A (GB)
Title: Method of insulating chiefly underground pipes by means of packed filling material
IPC: C04B30/00
Filed: 1964-07-09
Abstract: Waterproof packed insulating layers are made by pulverizing porous granular inorganic insulating material to a grain size range which minimize voids, and adding less than 10% by weight of waterproofing agent before or during pulverization. The waterproofing agent is a metal compound of a long-chain paraffin or olefin carboxylic acid, or a mixture of a metal stearate with one or more bactericides or herbicides.  Bactericidal waterproofing agents exemplified are Cn, Zn or Ag compounds of long-chain paraffin or olefin carboxylic acids; non-bactericidal waterproofing agents exemplified are Ca or Mg stearate.  The insulation may be used for insulating underground pipes.
Patent GB-535898-A (GB)
Title: Improvements in or relating to hydraulic presses
IPC: B29C45/82
Filed: 1939-10-20
Abstract: 535,898. Injection moulding machines; hydraulic presses. ERNST, W. Oct. 20 1939, No. 28342. Convention date, May 5. [Class 37 (ii)] [Also in Group XXIX] In an hydraulic press an initial, rapid movement is imparted to the ram by pressure fluid admitted through a stationary plunger extending into an inner chamber in the ram and, after a pro-determined travel of the ram, the pressure fluid is admitted to the main area thereof through passages in this ram. As shown in Fig. 1, applied to an injection moulding machine, a main ram 58 carrying a mould member 59 is mounted in a cylinder through the end of which is adjustably threaded a plunger 84 having an enlarged end 86 engaging an inner bore 68 in the ram. Passages 71 connecting the rear end of the ram with the bore 68 allow pressure fluid, admitted through a bore 87 in the plunger 84, to pass to the main ram area. Pressure fluid from a tank 37 is supplied by a pump 12 through a valve chamber 15 to a line 80 supplying the bore 87 and also a line 55 connected to pistons 49 carrying a cushioning die 46. During advance of the ram 58 fluid is admitted to the space behind the ram from the tank 37 by a pipe 91 and check valve 99. After clamping the mould parts, material from a hopper 28 is injected through a nozzle 27 by a plunger 24 connected to a piston 23 actuated by pressure fluid supplied by a pump 11 through a valve member 14 and line 34. After the moulding operation the valve 14 is operated to connect line 34 to the tank via line 36 and pressure is admitted to the plunger side of the piston 23 through line 35 to retract the plunger, the extent of retraction being limited by a valved byepass 45. The main ram 58 is retracted by movement of the valve 15 to admit pressure fluid to the line 78, retraction being limited by byepass ports 74, 75 ; fluid displaced from behind the rams passes through pipe 91 to an exhaust. conduit 93 normally closed by a check valve which is lifted by pressure fluid passing from line 78 to a line 113. To vary the extent of retraction of the ram for thick and thin dies, additional ports containing ball check valves 145, 146 and controlled by screws are provided. A modified press is described in which the ram is disposed vertically, pressure fluid being contained in a surge tank above the ram cylinder.
Patent GB-926296-A (GB)
Title: Loose material feeder
IPC: B65G65/00
Filed: 1961-08-04
Abstract: 926,296. Regulating the flow of material. COLUMBUS McKINNON Ltd. Aug. 4, 1961 [Sept. 23, 1960], No. 28359/61. Class 78 (1). A feeding device receives batch loads, such as mined coal, and delivers the material to other handling equipment at a uniform rate. As shown in Fig. 1, the device comprises a hopper with walls 26 and a floor 14 on which flights 22 of a scraper conveyer slide. A flow control plate 30 levels out the flow of material to the discharge end of the device. The mask may be domed (Figs. 2, 3, not shown) or divided (Figs. 4, 5, not shown). In an alternative embodiment, shown in Fig. 6, the flow is controlled by means of a pair of spaced apart plates 60, mounted between side boards 62, which have a reduced width opening through which the conveyer flights 22 maintain driving connection with the load.
Patent GB-489353-A (GB)
Title: Improvements in variable pitch airscrews
IPC: B64C11/44
Filed: 1936-10-19
Abstract: 489,353. Airscrews. SOC. D'ETUDES POUR L'AVIATION. Oct. 19, 1936, No. 28405. Void. Convention date, April 1. [Class 114] In a variable-pitch airscrew, the pitch is adjusted by an electric motor which is controlled by a speed governor to maintain the speed constant and the contacts for causing rotation of the motor may be controlled by hand or by the main engine throttle lever. A drum 2 carrying contacts 5, 6 is adjustable by a lever system 83, 86 by the pilot or by the throttle to set the required speed, the contacts are engaged by brushes connected to the leads to the motor and circuits are established by a brush carried by a pointer 1 actuated by the speed governor. When the speed rises or falls the pointer moves to establish the circuit through inductors 8 or 9 for producing motion of the series motor 7 for increasing or decreasing the pitch respectively. The circuits include a battery 91, ammeter 92, master switch 93, electromagnets 94, 95, conderisers 96, 97; and a master controller 100. The controller has two V-levers 101, 102 on the same shaft, which can be set to open all circuits, to close the circuit for increasing the pitch, to close the circuit to reduce the pitch and in a fourth position to make connections for the automatic control whereby when the index 1 engages either contact 5 or 6, the motor is energized. The distance apart of these contacts may be adjusted and in place of direct contact a photo-electric cell control may be used. The motor circuit is provided with limit switches.
Patent GB-281849-A (GB)
Title: Improvements in or relating to brooders
IPC: A01K31/18
Filed: 1926-11-12
Abstract: 281,849. Crowther, I. Nov. 12, 1926. Rearing-appliances. - A fireless brooder comprises a lower rectangular wooden framework provided with a detachable weather-boarded roof portion 2 and fitted with a floor of small meshed wire netting 10 supported by a cross batten 11. An adjustable chicken chamber is formed by a vertical wire mesh ring 12, carried on the floor 10 and having an'entrance 13 by which it communicates with an opening in the outer frame adapted to be closed by a hinged door 23. A loop 15 is provided in the wire mesh 12 at the rear of the ring, this looped portion providing for adjustment of the ring according to the number of chickens in the brooder. Hay is packed be. tween the ring and the outer walls. Hay is also placed within the ring so that the backs of the chickens will touch the bottom of a canvas tray 18. Hair felt layers 20, interspaced by sheets of canvas, are placed centrally on the canvas tray. The tray may be turned upside down or raised to give extra headroom. Ventilation apertures are provided and a window of glass known under the registered Trade Mark " Vita " is fitted at the back of the brooder. A thermometer passes into the brooder through a slot 24. The brooder is warmed initially by inserting a hot water bottle or similar device before the chickens are put in.
Patent GB-285154-A (GB)
Title: Improvements in water tube boilers
IPC: F22B37/22
Filed: 1926-11-12
Abstract: 285,154. Eley, C. V. A. Nov. 12, 1926. Water-tube boiler ; drums.- In a boiler having one upper and one or more lower drums, each drum is built up of a number of ring like sections 3. The sections of each drum are secured together by a central bolt 8 and by external bolts passing through lugs 56 on the end plates 7. The central bolt has spring plates or washers 11 under its head 9 and nut 10. The edges of the sections are formed with engaging recesses and projections and packing is inserted between the engaging parts to form tight joints. A watertube 16 may be jointed to a drum by a ferrule 18, Fig. 3, screwed on the tube and screwing into a hole in the drum section. The ferrule is preferably tapered. A boiler may have a row of lower drums arranged horizontally or vertically, or partly around the upper drum. The lower part of the upper drum may be thickened. A number of boilers may be placed side by side and superheating tubes arranged between them.
Patent GB-895210-A (GB)
Title: Improvements in electro-chemical cell apparatus suitable for polarographic determination
Inventor: GREGORY NORMAN LENNOX
IPC: G01N27/49
Filed: 1959-08-20
Abstract: 895,210. Electrolytic testing apparatus. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Oct. 10, 1960 [Aug. 20, 1959; Dec. 21, 1959], Nos. 28485/59 and 43303/59. Class 37. A polarographic cell has at least one solid electrode which is cleaned by the relative movement of a surface with which it is in contact. The cell 2, formed by glass tube 3, axially and rotatably movable solid glass core 4, and insulating end-stopper 5, has a gold, silver, or platinum electrode 9 mounted in an insulating cone 10 and pressing lightly against wall 8, which may be roughened by sand-blasting. Core 4 may be rotated by motor 14, and is pressed against the electrode by spring 15. An electrolytic bridge enables connection of the cell to a reference half-cell, and pipes 16 permit circulation of the electrolyte. In alternative constructions the electrode may be spring- loaded against the roughened surface; the latter may, in the form of a thin disc, press against the electrode by reason of its own flexibility; the roughened surface may be fixed and the electrode movable; and the cell may contain more than one electrode. Further constructions, which provide for only intermittent contact between the electrode and the roughened surface, involve either axial reciprocatory movement of the surface, or the presence of an arcuate groove on the latter, or the use of a cam to release spring 5 during part of the drive cycle.
Patent GB-778046-A (GB)
Title: Improved digger and scraper apparatus
IPC: E02F3/64
Filed: 1955-10-06
Abstract: 778,046. Earth-working apparatus. GENERAL MOTORS CORPORATION. Oct. 6, 1955 [Oct. 19, 1953], No. 28506/55. Class 68 (1). Earth-working apparatus comprises front and rear frames each supported by a pair of wheels 23, 24 and the rear frame carries a scraper bowl 16 between the wheels 23, 24 and the front frame supports a scraper blade 40 in front of the wheels 23. The blade 40 is mounted on a pair of push beams 41 enclosing the wheels 23 and pivotally connected at 43 to a cross tube 12 of the front frame. The cross tube 12 carries a pair of rearwardly extending arms 25 and an arched yoke 11. The arms 25 straddle the bowl 16 and are connected therewith by pivotal connections 13a about which the front and rear frames are relatively movable for raising and lowering the bowl. The front wheels 23 are steerably connected to the yoke 11 for movement to a position perpendicular to the longitudinal axis of the apparatus. A jack 45, 46, jacks 30, jack 31 and jack 20 control the movement of the blade 40, the front and rear frames, an apron 21 and an ejector respectively. The drive from the engine 22 on the rear frame to both pairs of wheels forms the subject-matter of Specification 778,045, which is referred to.
Patent GB-1237042-A (GB)
Title: Process for producing and edible fatty oil enriched with herbal-and/or spicy aromas
Inventor: KUNZ OSKAR
IPC: A23L27/10
Filed: 1969-06-05
Abstract: 1,237,042. Flavoured fatty oils. O. KUNZ. 5 June, 1969 [14 June, 1968], No. 28604/69. Heading C5C. Edible fatty oils are enriched with herbal or spicy aromas by extracting the herbs or spicies with the fatty oil at ambient temperature. The herb or spice may be rosemary, sage, lovage, marjoram, thyme, garlic, parsley, celariac, dill, estragon, black pepper or origan. The fatty oil may be rape oil, sunflower oil, poppy oil, olive oil or peanut oil. The extract may be diluted with the same or other edible fatty oil. In the examples chopped mixed herbs are left in peanut oil and in sunflower oil for a month at 3-5‹ C. and the oils filtered before use
Patent GB-1376989-A (GB)
Title: Open-end spinning machines
IPC: D01H4/10
Filed: 1972-06-19
Abstract: 1376989 Mounting of components in openend spinners WILHELM STAHLECKER GmbH 19 June 1972 [21 June 1971] 28637/72 Heading DID In an open-end spinning machine guides for feeding fibres and delivery yarn are releasably mounted on a frame 2, which in the operating position closes the rotor housing so as to be movable away from the spinning rotor 8 e.g. by pivoting at 3. The fibre feeding and opening devices are also releasably mounted on the frame 2. A guide insert 5 is mounted to frame 2 by e.g. screws 2b or spring clips, Fig. 8 (not shown), and is exchangeable to replace the guides. This insert may be a circular section plug 95, Fig. 9. A hinged cover 13 may be arranged on the frame 2 and closed by a spring catch, Fig. 3 (not shown). The rotor chamber 4 may have a cover 8a2 retained by a spring catch,. Fig. 5 (not shown). The rotor may be detachably mounted to its shaft Figs. 14 and 15 (not shown). The rotor may also have detachable inserts 138a, Figs. 13 to allow alternative internal profiles to be used, see also Fig. 12 (not shown). The rotor bearings may comprise edge contact discs 9, see also Fig. 7 (not shown) and drive is via a belt 10.
Patent GB-485982-A (GB)
Title: Improvements in or relating to mountings for the blade roots of variable pitch propellers
IPC: B64C11/06
Filed: 1937-10-21
Abstract: 485,982. Screw propellers. VEREINIGTE DEUTSCHE METALLWERKE AKT.-GES. Oct. 21, 1937, No. 28690. Convention date, Jan. 6. [Class 114] A variable pitch screw propeller, wherein the blade root is screwed into a threaded sleeve, the latter at its base, has secured thereto a flanged annular member, the sleeve portion of which is of smaller diameter than the root carrying the thread and acts as a journal for a foot bearing. The blade k is screwed at its root m and has secured thereto a sleeve n which carries a worm-wheel o for the pitchactuating gear, and also a flange for supporting the thrust race i. At its base, there is secured by screws u a flanged member t the sleeve portion s of which forms a support for a foot bearing r. A hard sleeve x may be disposed between the blade root extension and the sleeve s.
Patent GB-592657-A (GB)
Title: Improvements in or relating to cigarette or the like lighters
IPC: F23Q2/28
Filed: 1945-10-30
Abstract: 592,657. Portable electric igniters. JONES, L. H. HOWARD-. Oct. 30, 1945, No. 28816. [Class 75 (iii)] In an electric igniter having a wick 12 and a resistance wire 15, the wick and the wire are surrounded by a cowl 21, open at the top and provided with an air inlet 21A at the side of the wick remote from the wire. The cowl 21 may be mounted on the top 4 of a cylinder 3 which is a sliding fit in a casing 1, a fuel chamber 5 and an insulating block 6 which may be provided with a filler opening 28 being connected to this top 4 by screws 8. One end of the resistance wire 15 may be connected through a rod 13 and wire 16 with a contact strip 13A and a battery 2 while the other end may be connected with a contact 15A. A spring metal strip 18 may be connected to the chamber 5 and have an end 20 adapted to project through an opening in the casing 1 and engage an indent 23 in a cover 22 in the closed position, a push button 19 being provided, which when depressed causes the strip 18 to engage the contact 15A and close the resistance wire circuit, and also releases the spring-pressed lid which is provided with a hinge 24 accommodated in a recess 27 in the cylinder 3. The air inlet of the cowl may be a grille 21A formed of horizontally spaced bars, or the cowl may be completely open on this side.
Patent GB-447364-A (GB)
Title: Tightening device for shaft bearings in gear casings especially for motor-vehicle gearing
IPC: B60K17/04
Filed: 1935-10-18
Abstract: 447,364. Gear casings. MYLIUS, 0., 16, Budapesterstrasse, Berlin. Oct. 18, 1935, No. 28854. [Class 79 (iii)] [See also Group XXXIV] In a divided vehicle gear casing 1, 2, the bearing mounting 12 is secured by bolts 13 which press it against inwardly projecting housings 10 formed integrally with the casing. In a modification, Fig. 9, the bolts are replaced by bands 27 which are secured to the bearing mounting by clips 28 and threaded at their ends to receive nuts 29.
Patent GB-1534029-A (GB)
Title: Rack assembly for the drive of a mining machine
IPC: E21C29/02
Filed: 1976-07-12
Abstract: 1534029 Rack and pinion-propelled mining machines EICKHOFF MASCHINENFABRIK U ElSENGIESSEREI mbH GEBR 12 July 1976 [10 July 1975] 28860/76 Headings E1F and E1G A rack assembly for location along the path of travel of a mining machine to provide abutments with which a drive element, e.g. a driven pinion wheel or an endless chain, on the machine co-operates to generate such travel. The rack assembly comprises a longitudinally extending assemblage of support members 1, e.g., sections of a conveyer or spill plate sections therefore, and a parallel array of rack elements 8b, 8e so connected at both ends to intermediate points of said members, that at least some 8e of the rack elements bridge adjacent ends of said members 1 and interconnect said members in such manner that, with the assemblage and array generally horizontal, the support members have a limited freedom of vertical movement with respect to one another and the bridging rack elements can pivot with respect to adjacent rack elements and the support members to which they are connected about horizontal axis 29 transverse to the longitudinal direction of the elements. The rack elements may be the same length or half the length of the support members and may comprise two parallel strips having sloped upper ends and joined by transverse pins, preferably of a configuration as shown. The rack elements can be connected to each other and to the support elements by tongue and clevis members on the opposed ends of the element and a pin also passing through the support member.
Patent GB-424182-A (GB)
Title: Improvements in type line casting machines
IPC: B41B11/54
Filed: 1934-10-09
Abstract: 424,182. Type-bar-making machines. INTERTYPE, Ltd., Farnham Road, Slough, Buckinghamshire.-(Assignees of Intertype Setzmaschinen Ges.; 90, Stresemannstrasse, Berlin) Oct. 9, 1934, No. 28870. Convention date, March 13. [Class 100 (iii)] Moulds.-Mould-changing mechanism is so arranged that one or more complete rotations of the drive-wheel, after disconnection from its shaft, serve to turn the mould-wheel through the distance between two moulds. Change of mould is thereby facilitated, since the drivewheel is always re-engaged with its shaft in the same angular position. The drive-wheel a is, as heretofore, slidable on its shaft e, to which it is coupled by a pin h projecting into a hole g, and can be disengaged by drawing it forwards against the pressure of a spring i. A mutilated spur-wheel k, secured to the drive-wheel, is thereby brought into gear with the mouldwheel b. The toothed part of the wheel k is of such a length that one revolution of the drive-wheel will turn the mould-wheel through the distance between two moulds, if there are six moulds on the wheel. If the wheel carries three moulds, two revolutions of the drive-wheel are required. When the toothed part of the wheel k passes out of gear, the mould-wheel is held stationary by the engagement of the toothless part with concave pieces m.
Patent GB-617367-A (GB)
Title: Improvements in or relating to anchors
IPC: B63B21/44
Filed: 1946-09-27
Abstract: 617,367. Anchors. MULOCK, J. S., and BUCKINGHAM, J. Sept. 27, 1946, No. 28878. [Class 113 (i)] An anchor comprises a shank 10 on which are pivoted at least two pointed-bill flukes 17, 18, each unitary with a member 12 formed as or provided with tripping palms, the latter having plane operating surfaces 19, 20 sloping rearwardly at an angle of less than 90 degrees to the axes of the flukes with their rear edges 30, 31 lying to the rear of the pivoting axes of the flukes and extending laterally at least coextensive with. the flukes. The latter formed with sharp pointed bills 23 have stiffening ribs 24, 25, 26, 27, which are also sharp edged, and the angular swing of the flukes is restricted to 33¢ degrees on either side of the shank by means of a centre seam 21 having an upper edge 32 which engages the shank. Greatest efficiency of operation is achieved when the vertical distance between the rear edges of the tripping palms and the pivoting axis 13-14 is at least one eighth of the length of the shank, and when the length of the flukes is between one-half and one-third the length of the shank.
Patent GB-1023411-A (GB)
Title: Method for halomethylating phthalocyanines
IPC: C09B62/84
Filed: 1964-07-14
Abstract: Halomethyl-substituted phthalocyanine compounds containing two or three halomethyl groups are made by reacting a metal-free phthalocyanine or a metal phthalocyanine with a halomethylating agent of the formula ROCH2X, wherein X is a halogen, and R is C1-C5 alkyl, -CH2X or -CH2R1, wherein R1 is C1-C5 alkoxy or C1-C5 haloalkoxy, for a time sufficient to introduce the desired number of halomethyl groups, in the presence of 90 to 100% sulphuric acid when a dihalomethylated product is desired, and in the presence of 1 to 4% oleum when a trihalomethylated product is required.  The metal phthalocyanines include copper, cobalt, nickel and iron phthalocyanine compounds.  Inert substituents such as alkyl, alkoxy, and halo may be present in the starting material. Several halomethylating agents are specified. Such agents may be formed in situ from an anhydrous hydrogen halide and formaldehyde, paraformaldehyde or methyal.  The dihalomethylation takes place at above 40 DEG  C., e.g. 60 DEG  to 120 DEG  C. for from 18 to 48 hours.  The trihalomethylation takes from 20 to 48 hours at temperatures above 40 DEG  C., e.g. 50 DEG  to 120 DEG  C.