baber/WOPTO huggingface dataset:
Patent GB-1211972-A (GB)
Title: Time derivative circuit arrangement
Inventor: BAHRING HERBERT
IPC: G06G7/184
Filed: 1969-01-29
Abstract: 1,211,972. Differentiating circuits. FERNSEH G.m.b.H. 29 Jan., 1969 [30 Jan., 1968], No. 4953/69. Heading G4G. A voltage waveform 2 is scanned by electronic switch 4 controlled by pulse source 3 to produce a proportional step voltage 5 at P on charging capacitor 1 over series resistance 6 across which appear voltage pulses proportional to charging current, which are tapped off, polarity reversed by transformer 8, amplified by transistor 9, and applied to capacitor 11 over electronic switch 10 driven also from pulse source 3; the capacitor developing a stepped voltage which is shown mathematically to represent the time derivative of the applied stepped voltage at P (Fig. 1, not shown).
Patent GB-1255443-A (GB)
Title: Boron derivatives
Inventor: COMETTI ANDRE
IPC: C07F5/00
Filed: 1970-02-02
Abstract: 1,255,443. Compounds containing a 1,2- azaborolidine ring; bis-(substituted phenyl) chloroboranes. RHONE - POULENC S.A. 2 Feb., 1970 [3 Feb., 1969], No. 4964/70. Heading C2B. Compounds of the general formula where R 1  and R 2  are C 1-4  alkyl or together with the N atom represent a mononuclear 5- or 6- membered heterocyclic group which may contain as a second hetero atom N, O or S, such as 1-pyrrolidinyl, piperidino, morpholino or 4- alkyl-1-piperazinyl, X is H, halogen, C 1-4  alkyl, alkoxy or alkylthio, -CF 3  or dimethylsulphamoyl, and one or more of the C atoms of the (CH 2)3  chain linking B and N can be substituted by at least one C 1 _ 4  alkyl radical are prepared by reacting a compound of formula where Y is halogen, alkoxy, 2-aminoethoxy or 2-dimethylaminoethoxy with an organomagnesium compound, usually prepared in situ, of formula where Hal is halogen and one or more of the (CH 2 ) 3  C atoms can be substituted as above, and hydrolysing the organometal product obtained by conventional methods, e.g. with aqueous NH 4 Cl or HCl. Reaction is usually effected in an inert organic solvent at a temperature between 0 C. and the b.pt. of the reaction mixture. Numerous compounds are specified and have fungicidal, insecticidal, acaricidal and herbicidal properties. Pesticidal compositions may contain surfactants, especially an ethylene oxide/ootylphenol condensate, and other pesticides such as parathion, phosalone, maneb, benomyl, simazine, monurone or 2,4-dichloro-phenoxyacetic acid. In Examples 6-8, bis-(4-fluorophenyl)-, - (3-chlorophenyl)- and -(4-chlorophenyl)-chloroborane are prepared by reacting the appropriate butyl bis-(substituted phenyl) borinate with PCl 5  at 100 C.
Patent GB-1079132-A (GB)
Title: Improvements in or relating to loader mechanisms
Inventor: SCHEUCH EGON
IPC: A01D87/00
Filed: 1965-02-05
Abstract: 1,079,132. Agricultural loaders. MASCHINENBAU GœSTROW VEB. Feb. 5, 1965, No. 5010/65. Heading B8H. A loader mechanism, e.g. a tractor mounted mechanism for picking up and conveying loose material, mud-like media, straw, hay, silage and stable dung, comprises a fork 2, Fig. 1, connected to a shaft 3 which is pivotally secured to a bracket 1 and a collector fork 8 which is pivotally secured to the bracket 1 by a linkage 4, 6, 7, 9 actuated by an hydraulic cylinder 10 and a piston-rod 11. The fork 8 may be replaced by a bucket. The linkage consists of an arm 4 pivoted to the bracket 1 by a shaft 5, a lever 6 pivotable about the shaft 5, a rocker member 7 from which the tines of the fork 8 extend and a connecting rod 9. The cylinder 10 is pivotally connected to the bracket 1 and the rod 11 is pivotally secured to the link 6. An abutment 12 on the member 7 co-operates with a member 13 on the arm 4 to limit the movement of the member 7 relative to the arm 4 and an adjustable catch 14 is provided to further limit this movement. The fork 2 has a pawl 15, Figs. 3 and 4 (not shown), for engagement with a fixed abutment 16, the engagement being releasable by a lever 17 permitting the fork to tilt downwards to discharge material carried thereon. A cable 19 extends between a point 21 on the rod 9 round a pulley 20 to an arm 18 on the fork 2 so that retraction of the piston rod 11 will reset the fork 2 in the horizontal position with the pawl 15 re-engaged with the abutment 16. Shovel plates may be fitted on to the forks 2 and 8.
Patent GB-362248-A (GB)
Title: Improvements in interchangeable tire valves
IPC: B60C29/04
Filed: 1931-02-17
Abstract: 362,248. Tyre valves. MORGAN & WRIGHT, Belleview Avenue, Detroit, Michigan, U.S.A.-(Assignees of Eger, E. ; c/o United States Rubber Co., Detroit, Michigan, U.S.A.) Feb. 17, 1931, No. 5068. Convention date, April 16, 1930. [Class 144 (ii).] The air-tube 1 is clamped between the flanged head 11 of the valve-stem 9 and a flange 4 on the member 3, the clamping-faces of the parts 11, 3 being formed with radiating, ratchet-like teeth 12, 5 and flanged edges 13, 6 respectively. For storage &c., the valve-stem may be replaced by a cap.
Patent GB-485035-A (GB)
Title: Improvements in packages
IPC: B65D5/60
Filed: 1937-02-19
Abstract: 485,035. Packages. AKTIEBOLAGET G. AREHNS MEKANISKA VERKSTAD. Feb. 19, 1937, No. 5069. Convention date, Feb. 21, 1936. [Classes 18, 66, 94 (i), and 94 (ii)] A package having a thin lining 11 enclosed by a stiff envelope 8 provided with cut-out flaps 9, 10 which are bent down upon the lining to form a stiff top end for the package, is characterized in that the lining 11 projects beyond the top of the flaps and is folded down upon them to form the closure. The top projecting part of the lining may be doubled upon itself and folded down, after the triangular flaps 9 and the rectangular flaps 10 have been folded inwardly, with the corresponding portions of the lining, the closure being sealed by a sealing band 6.
Patent GB-932886-A (GB)
Title: A method of and apparatus for removing charging gases from a coke oven battery
IPC: C10B27/04
Filed: 1961-02-10
Abstract: Each coke-oven of a coke-oven battery is connected through risers 16 and 28 and a 3-way valve 17 with pipes 18 and 19 themselves connected through a blower, whereby charging gases from a coke-oven being charged may be withdrawn through the pipe 18 and fed by the blower into the pipe 19 and thence into the gas collecting space or spaces of one or more coke-ovens which are not being charged.  The 3-way valve 17 may be screened from heat radiated by the coke-oven by a plug 32 which is connected for simultaneous movement with the 3-way valve. <PICT:0932886/III/1>
Patent GB-434078-A (GB)
Title: Improvements in or connected with plug sockets for electrical connections
IPC: H01R13/453
Filed: 1935-02-18
Abstract: 434,078. Plug couplings. MARR, G. E., 120, Pratt Street, Camden Town, London. Feb. 18, 1935, No. 5208. [Class 38 (i)] The live contacts 18, 18<a> of a wall socket fitting are covered when the plug is withdrawn by a plate 10 turning on a pivot 9 under the action of a spring 12, and arranged in a cavity 8 between the cover 2 and the body of the fitting. Two holes 11, 11<a >spaced to correspond with the contacts 18, 18<a> are brought into register with the contacts when the plate 10 is turned by a sliding member 14 having an oblique face 14<a> that projects into the hole 4 over the earthing-socket, so as to be pushed aside by the earthing-pin of the plug member, which is longer than the current-carrying pins. Beneath the plate 10, a sheet 15 of insulating material covers the upper face of the body of the fitting.
Patent GB-878520-A (GB)
Title: Improvements in photographic colour printing and in photographic materials therefor
IPC: G03C1/95
Filed: 1958-02-18
Abstract: 878,520. Photographic colour printing and materials therefor. KODAK Ltd. Feb. 18, 1598 [Feb. 18, 1957], No. 5234/58. Drawings to Specification. Class 98(2) A non-light sensitive layer of gelatin, as of low grade, or of an alkali-soluble gelatin derivative, containing substantially globular particles of alkali-soluble copolymer of methacrylic acid and methyl methacrylate is provided on either side of a multilayer colour film. The particles may protrude beyond the surface of their layer, and their purpose is to avoid interference effects causing Newton's rings, particularly in printing by contact on to such film. The particles are removable, in some instances together with the layer containing them during development. In an example a copolymer of the above monomers in 1 :1 proportion dissolved in n-butyl alcohol is stirred into aqueous gelatin solution, the mixture passed through a colloid mill, chilled, noodled, washed, melted and mixed with more aqueous gelatin to result in a solution containing spherical copolymer particles which is coated upon the emulsion surface of a colour film. A phthalic anhydride gelatin derivative can be used in the same way as the gelatin. Specification 649,545 is referred to.
Patent GB-979425-A (GB)
Title: Improvements in or relating to linking machines
Inventor: BONSOR FREDERICK WILLIAM
IPC: D05B7/00
Filed: 1960-02-15
Abstract: 979,425. Sewing machines. BENTLEY ENGINEERING CO. Ltd. Feb. 15, 1961 [Feb. 15, 1960], No. 5284/60. Heading D1G. A linking machine comprises a two-part looper, the parts of which move relatively to one another in the course of the loop-seizing movement, in order to spread the seized loop of needle thread. A base-plate 62, adapted to be mounted on a bench, carries an arm 61 from which depends a post 60 on which is journalled a rotary dial D with radial points P. A rotary shaft 5 carries at one end a disc 7 formed with an annular cam groove 8 adapted to reciprocate a slide 10 via a follower roller 13. A rock 15 on slide 10 meshes with a gear 16 on the upper end of a shaft journalled in a fixed sleeve 17. A collar 58 on the lower end of said shaft carries a radial rod 19 which is connected by a spherical link to one end of a link 20. A pin 21 is connected by a spherical bush to the other end of link 20. A block 26, secured by bolts 23 to a platform 24 rigid with sleeve 17, is formed with a sloping channel 27, in the base of which is formed a slot 28. Pin 21 passes through slot 28 and is fixed rigidly to a slide 29 confined within channel 27. An extension of pin 21 passes freely through respective looper members 33 and 34. Member 33 is confined within channel 27. Member 34 cam pivot on pin 21 over a surface 36 below channel 27, but is held in alignment with members 29 and 33 when its upper edge abuts the extended upper wall 35 of channel 27. Member 33 is formed with a loop-seizing beak 25. Member 34 is formed with a loop seizing beak 34a and a thread-receiving notch 34b. A pin 32, fixed in the base of channel 27, extends through aligned slots in members 29 and 33, and carries at its outer end a roller 39 disposed in a cam aperture 40 formed in member 34. The arrangement is such that when the curved needle 45 is projected into the groove in a point 49, pin 21 is at the lower end of slot 28 and is moving upwardly. Beaks 25 and 34a thereby pass, while aligned, through the needle thread loop 53. On continuation of the looper movement, member 34 swings downwardly to spread the loop 53, which is then held open by the notch 34b until the needle passes therethrough in its subsequent stroke through the groove in the succeeding point 50. A stitch plate 56 is provided to ensure the formation of a stitch chain joining successive work pieces.
Patent GB-552961-A (GB)
Title: Improvements in or relating to molds for curing inflatable rubber articles
IPC: B29D23/24
Filed: 1942-04-20
Abstract: 552,961. Moulding valve stems for inner tubes and other inflatable rubber articles. DILL MANUFACTURING CO. April 20, 1942. No. 5285. Convention date, April 4, 1941. [Class 87 (ii)] The metallic valve insert 64 and the roughly preformed valve body 63, attached to the inner tube 12, are drawn outwardly from the position shown in Fig. 1 to the moulding position shown in Fig. 2 by the screw-threaded engagement of the end 42 of a pressure tube 41 with the threaded portion 65 of the insert, and subsequent outward movement of the tube 41. The tube 41 is rotatably mounted in a non-rotatable hub slidable plate assembly 38- 48 between which are sandwiched gears 46 which mesh with gear teeth 45 on the tube 41 and with an internal ring gear 49 secured to a ring 50 slidably mounted in a cup-like casing 31. The ring 50 is connected by a screw 52 and operating handle 53 to a band 51 rotatable on the casing 31, and the screw and handle engage cam slots 34 in the casing 31. Movement of the handle 53 upwards from the Fig. 1 position (a) engages the threads 42, 65 (straight portion of cam slots), (b) pulls the valve out to the moulding position (inclined portion), and (c) gives a final tightening (straight portion). The outer end 40a of the tube 41 abuts against a spring-pressed block 59 having a pressure fluid passage 56-57. The stem mould 14, 15, is fixed to the stationary (watchcase) inner tube mould half 11 and supports the cup 31 via cylinder 17 and flange 18. The stem mould is heated by steam or by an electric resistance 24. The valve stem may be partly cured before introduction into the stem mould. The stem and inner tube may be separately positioned in the mould and then joined. The rubber to form the stem may be introduced into the stem mould as a raw rubber chunk. Specification 543,662 is referred to.
Patent GB-1108508-A (GB)
Title: Fluid filter
IPC: B01D46/12
Filed: 1967-02-03
Abstract: 1,108,508. Centrifugal separator; gas filter. DONALDSON CO. Inc. 3 Feb., 1967 [21 Feb., 1966], No. 5349/67. Headings B1T and B2P. In a fluid filter comprising a housing 10 having an unfiltered fluid inlet 13, Fig. 2, a filtered fluid outlet 12 and a scavenging flow outlet (29), Fig. 1 (not shown), a V-shaped filter element 50, Figs. 2 and 4, having sides 51, 52 of fluid-permeable material is retained within the housing 10 by means of a mechanism 60, Figs. 2 and 3, which engages the apex 56 of the filter element 50 and maintains the open base 55 of the latter in fluidtight engagement with portions of the housing 10 adjacent the filtered fluid outlet 12. A number of centrifugal filter elements 17, each having an unfiltered fluid inlet 16, a filtered fluid outlet 27 and a scavenging flow outlet 21 are fixedly mounted within the housing 10 adjacent the apex 56 of the filter element 50 so that the unfiltered fluid inlets 16 and the scavenging flow outlets 21 of the elements 17 are in communication, respectively with the unfiltered fluid inlet 13 and the scavenging flow outlet (29) of the housing and so that the filtered fluid outlets 27 of the elements 17 are adjacent the permeable sides 51, 52 of the filter element 50. Each centrifugal filter element 17 has a cylindrical portion 18 and a truncated conical end portion 19 spaced by means of fins 20 to define the scavenging flow outlet 21. A helical, fin 31 is mounted in the inlet end 16 of each element 17 for imparting a whirl to the unfiltered fluid. The elements 17 are secured between an end wall 15 and a partition 25 by snapping action in openings therein. A screen 30 is attached over the inlet ends 16 of the elements 17 for removal of large foreign particles in the fluid entering the filter. The housing 10 has a wedgeshaped opening in one side for introducing the filter element 50 within a chamber 35 in the housing, the opening being normally closed by a cover 41. The retaining mechanism 60 for the filter element 50 is fixedly mounted within a recess portion 26 of the partition 25 by means of a pair of leaf springs 61, 62 secured to the portion 26 by bolts 63 and has a plate 56 which is pressed against the apex 56 of the filter element 50 by means of links 66, 67 acting as cam means between the plate 65 and the leaf springs 61, 62 are actuated by means of a handle 72. Fluid-tightness between the filter element 50 and the casing 10 is ensured by a gasket 58 provided around the opening in the base 55 of the element. In operation, air to be filtered flows first through the centrifugal filter elements 17 in which the dirt and heavy foreign particles are separated and discharged with a small amount of air through the outlets 21 into a scavenging chamber 28 and thence out through the scavenging outlet (29). The main portion of the air which may still contain fine particles is discharged through the outlets 27 into the chamber 35 and is filtered through the filter element 50 to be finally discharged as clean air through the outlet 12.
Patent GB-940526-A (GB)
Title: Improvements in fabric take-down mechanisms for circular knitting machines
IPC: D04B15/88
Filed: 1960-02-15
Abstract: 940,526. Knitting-machines. ALBO S.A. Feb. 15, 1960 [Feb. 14, 1959], No. 5370/60. Heading D1C. The releasable fabric pincer device 34, 39 of a vertically displaceable tensioning weight fabrics take-down mechanism is rotated positively in synchronism with the needle cylinder and the weight is guided for vertical displacement by laterally stationary rods 10, 11. Either or both of the elements 34, 39 may be positively driven. As shown, the element 34 is freely rotatable and is entrained by the element 39 borne by a rod 35 having at its lower end a pinion 43 meeting with a pinion 44 on a sleeve 19 slidably keyed to the rod 10, which is rotated by the machine. The key, which slides in a groove 49, may be a pin 48, or a device comprising circulating balls. A third rod, or a flexible transmission may transmit the drive. A change speed device, manually or automatically controlled, may be incorporated.
Patent GB-426371-A (GB)
Title: Improvements in catalytic heating apparatus
IPC: F23D99/00
Filed: 1934-02-19
Abstract: 426,371. Catalytic burners. ARDUINO, A., 68, Boulevard Bourdon, Neuilly-sur-Seine, France. Feb. 19, 1934, No. 5381. Convention date, Feb. 17, 1933. [Class 75 (i)] A catalytic heating- apparatus of the type in which hydrocarbon vapour is supplied to a pervious catalyzing element X composed of asbestos and platinum black is rendered suitable for use in a cold atmosphere by the provision of copper or aluminium blades T, V extending from the lower surface of the vaporizing chamber J into the absorbent materials contained in the fuel reservoir, and the vaporizing chamber is prevented from becoming overheated by the provision of inwardly projecting metal tubes S secured at their open ends to the outer wall of the chamber. The blades T may alternatively be secured to the frame in which the element X is clamped and may be attached externally to the fuel reservoir. The tube S shown has its upper branch upwardly inclined so as to promote the circulation of air, but instead of being U-shaped, straight or coiled tubes having closed inner ends may be provided. Additional cooling of the vaporizing chamber may be effected by the provision of soldered ribs P. The fuel is supplied to the vaporizing chamber by a wick carried by tube C which is adjustable in a fixed outer tube D by means of a rack-and-pinion operating mechanism or by two threaded rods E rotated through worm gearing F by a spindle G. Vaporization of the fuel only occurs at the sides of the wick, the upper surface being covered by a plate K having a depending flange L which is sewn in position.
Patent GB-713693-A (GB)
Title: Cyclone pneumatic separator
Inventor: ROWELL LORNE ARCHIBALD
IPC: B65G53/60
Filed: 1952-02-29
Abstract: 713,693. Centrifugal separators. IMPERIAL TOBACCO CO. OF CANADA, Ltd. Feb. 29, 1952, No. 5411/52. Class 23 A dust separator comprises a casing 5 having a horizontal axis, a tangential inlet 12 at the top of the casing, a dust outlet 6 at the bottom of the casing, a cylindrical screen 25 extending between the end walls of the casing, a clean air outlet 32 extending from one end wall and communicating with the interior of the screen, and a curved baffle 47 encircling the lower part of the screen. The screen is closed at one end by a plate 31, has partitions 44, and is rotated by a motor 66 which also drives a rotary discharge device 17 at the dust outlet. A brush or scraper may contact the surface of the screen. The ends of the baffle are adjustable hcrizontally and the baffle leading edge is protected by a knurled shaft 61 also rotated by the motor. The end walls of the casing are provided with transparent inspection covers 75, and a cover 34 which permits removal of the screen.
Patent GB-257828-A (GB)
Title: Improvements in or relating to liquid air or liquid oxygen explosives
IPC: C06B43/00
Filed: 1926-02-26
Abstract: 257,828. Liquid Oxygen Explosives, Ltd., (Les Petits-Fils de Francois de Wendel et Cie.). Feb. 26, 1926. Blasting.-A borehole is moistened with a solution of cooling or refrigerating salts before the insertion of a liquid air cartridge.
Patent GB-575560-A (GB)
Title: Improvements in or relating to mercury arc rectifiers
IPC: H01J13/12
Filed: 1944-03-24
Abstract: 575,560. Metal vapour rectifiers. HEWITTIC ELECTRIC CO., Ltd., and KANEY, J. W. March 24, 1944, No. 5482. [Class 39 (i)] An arc-locating fitting in a mercury arc rectifier comprises a wire or rod 11, the inner end of which is bent to form a helix 10. One end of the helix is located slightly below the full-load level 13 of the liquid cathode 14, while the other end is bent vertically upward and projects slightly above the no-load level 16. The pitch of the helix may be slightly greater than the difference between the no-load and fullload levels, in which case only a single convolution is necessary, as shown.
Patent GB-171066-A (GB)
Title: Nail-delivering machine
IPC: B65B19/34
Filed: 1921-02-17
Abstract: 171,066. Stone, H. A. Feb. 17, 1921. Packeting nails in bags.-Relates to a machine for delivering nails in groups of specific numbers into an envelope or receptacle held by hand. The machine comprises a hopper 14, Fig. 2, in which a rotary tumbling drum 15 with flanges 16 drops the nails into a fixed tray 17 which guides them into a raceway 12. A reciprocating slide 20 prevents clogging and the nails slide down the race. way with their heads bearing on the upper edges thereof, upward displacement being prevented by a guide 35. A group of nails is segregated and released by the device shown in Fig. 3. A pointed finger 38, adapted to project through a slot 39 in the raceway, is mounted on a resilient plate 47 on an arm 45 on a rock-shaft 42, which also carries an arm 50 with a detent 40. The arms 45, 50 rock in unison and release a predetermined number of nails from the raceway at intervals. The parts are adjustable to vary the number of nails. The raceway is vibrated by a hammer to facilitate movement of the nails.
Patent GB-231797-A (GB)
Title: Improvements in or relating to telephone systems using automatic switches or their equivalent
IPC: H04Q3/00
Filed: 1923-11-06
Abstract: 231,797. Automatic Telephone Manufacturing Co., Ltd., and Mercer, R. Nov. 6, 1923. Drawings to Specification. Automatic exchange systems.-Connections are established over two-co-ordinate switches which are controlled by temporarily used '' steering " apparatus (the usual individual controlling relays being dispensed with) and a feed-relay group including ringing and supervisory relays. All the switches are'thus identical in construction, and have their wipers permanently connected to the incoming leads. The main steerer controls the switches by means of auxiliary two-co-ordinate switches to select the calling and called lines, with a subsidiary steerer if necessary, impulses being received from the calling subscriber's dial and from an automatic impulse sender which becomes associated with the calling line. The system described is identical with that in Specifications 231,549 and 231,796 and the claims relate to the setting up of the connections to the calling and called lines from a common point.