baber/WOPTO huggingface dataset:
Patent GB-1497905-A (GB)
Title: Milking unit support and detacher mechanisms
IPC: A01J5/017
Filed: 1975-05-02
Abstract: 1497905 Milking apparatus DEC INTERNATIONAL INC 2 May 1975 [10 May 1974] 18356/75 Heading AIM A support and removal apparatus 10 for a milking unit 12 comprises a main support unit 22 and a horizontally extending retractable support unit 24 mounted on the unit 22 and comprising a plurality of horizontal link members 63, e.g. four pivotally interconnected in end to end relationship, a flexible member 88, e.g. a ball chain, connected to the distal end link and fed through openings in at least two other members, means, such as retract hub 56 driven by a motor 55, to pull on the flexible member 88 to cause the link members 63 to fold upon themselves and thus retract the milk unit 12 from underneath the, cow, and control means for automatically initiating the actuation of the pulling means when the milk flow falls to a predetermined level. The main support unit 22 comprises a tube 28 vertically movable inside a stationary jacket 26 by means of the movement of a threaded bolt 30 by gear unit 34 and lift motor 36 through a threaded collar 46 secured to the tube 28. When the milk flow drops below a minimum amount (preferably half a pound per minute) a sensor 100 operates, after suitable time delays, to release the vacuum, energise the retract motor 55 and the lift motor 36 in the 'up' direction, thus retracting the milk unit 12 from the cow and raising the horizontal support unit 24 to prevent the teat cups 16 catching the floor. The upward travel of the unit 24 is arranged to end once magnet 52 has passed reed switch 54. A control box 27 is mounted on jacket 26.
Patent GB-298588-A (GB)
Title: Improved attachment for loom swells
IPC: D03D49/52
Filed: 1927-07-11
Abstract: 298,588. Priestner, J. H., and Holding, R. J. July 11, 1927. Shuttle-relief motions.-A device for checking the shuttle on its arrival in the shuttle box and allowing it a free exit therefrom comprises a bracket 2 bolted to the connecting-rod 1 and carrying an adjustably-mounted bearing 12 for a spring-controlled adjustable spindle 14 for acting on the swell 18. The bolt 5 for securing the brachet to the connecting-rod serves also to hold the usual cotters in place, while a piece 9 adjustably bolted to the rear of the bracket and bearing against the lower edge of the connecting-rod prevents the bracket from tilting in case the bolt 5 becomes loose.
Patent GB-816272-A (GB)
Title: Viscometer
IPC: G01N11/12
Filed: 1957-06-12
Abstract: 816,272. Viscosimeters. LOBLICH,. H. J. June 12, 1957 [June 12, 1956], No. 18534/57. Class 106 (2). A viscosimeter comprises a container 1 for a liquid to be tested, fitted with a plunger 2 attached to the lower end, of a freely moving stem 3 and a brake 7 for releasing or arresting the stem 3 which sinks through the liquid during testing and which is of angular cross-section with scales on one or more faces. The brake 7 may be coupled with an oil-filled timer 12 containing a ball 11, then, having filled the container 1 to a predetermined level and raised the plunger to zero position where the brake 7 holds it, the timer 12 is pivoted through 180 degrees, an abutment engages a cam 8 to release the brake at the same time as the ball 11 begins to sink and when it reaches a position to cause reversal, the timer pivots back to initial position and an abutment 6b engages the cam 8 to put the brake on again. The influence of ambient temperature on the viscosity reading is eliminated by using an oil in the timer 12 having the same viscosity characteristics as the liquid under test. When testing fuel oil for use in an atomiser it is convenient to provide severaltemperature scales on the stem 3 to indicate the temperature to which the fuel oil must be preheated in order to reach the viscosity value marked on the scale. The timer 12 may be modified as shown in Fig. 3 to ensure that the ball does not begin falling before the brake 7 is released to allow the plunger 2 to fall. The brake may be of pawl-and-ratchet form, Fig. 4 (not shown), instead of the spring-urged plunger shown in Fig. 1. The brake 7 may be controlled manually in conjunction with a stop watch or with a liquid-filled timer and a method of calibrating the viscosimeter is described.
Patent GB-703664-A (GB)
Title: Interference microscope
IPC: G02B21/14
Filed: 1951-08-07
Abstract: 703,664. Microscopes. ZE I S S - O P T O N OPTISCHE WERKE OBERKOCHEN GES. Aug. 7, 1951 [Aug. 16, 1950], No. 18541/51. Class 97(1) In an interference microscope in which a light beam is divided into two by a beam splitter and the split beams pass through objectives on to a test object and a comparison surface respectively and are reflected thereby and re-combined at the beam-splitter, a plane-parallel transparent plate is provided in the path of each split beam, the plates being of equal thickness and equally inclined to the optical axes through them and without change of their inclination being rotatable about said optical axes. In the interference microscope shown, light from a lamp a passes to a beam-splitter c<SP>1</SP>, c<SP>2</SP> whereby one split beam passes into a prism c<SP>3</SP>. and the other into a prism c<SP>4</SP>. These prisms are arranged so that the respective split beams pass through plane parallel transparent plates i and objectives d', d<SP>2</SP> on to the surface of an object e under test and on to a comparison surface formed by a mirror f whereby they are reflected back along their paths and re-combined at the beam-splitter so that they interfere, the fringes being observed through an ocular r and prism q. Each plate i is located in the path of parallel light between a positive lens i2 and a negative lens i<SP>1</SP>, and is mounted in a member g', or g<SP>2</SP> geared at g<SP>3</SP>, g<SP>4</SP> to shafts m<SP>1</SP>, m<SP>2</SP>. Shaft m<SP>1</SP> has, secured thereto a spur gear n<SP>1</SP>, meshing with a gear n 3  which in turn meshes with a spur gear n<SP>2</SP>, freely rotatable on the shaft m<SP>2</SP>. Secured to spur gear n<SP>2</SP> is a bevel gear o<SP>1</SP>; another bevel gear o<SP>2</SP> is secured to the shaft m<SP>2</SP> and the two bevel gears are engaged by a bevel gear p on a shaft p<SP>1</SP>, which is rotatable about its own axis and also about the axis of shaft m<SP>2</SP>. By rotating shaft p<SP>1</SP> about its own axis, shafts m<SP>1</SP> and m<SP>2</SP> and therefore plates i rotate in opposite directions, and the width of the interference fringes is changed. By rotating shaft p' about the axis of shaft m<SP>2</SP>, the direction of the fringes changes, since the plates i rotate in the same direction.
Patent GB-494567-A (GB)
Title: Improvements in and relating to roller conveyors for transporting articles around a curve
IPC: B65G13/00
Filed: 1938-06-22
Abstract: 494,567. Roller - way conveyers. BRITISH MATHEWS, Ltd., and BURGOINE, H. W. June 22, 1938, No. 18568. [Class 78 (i)] In a roller-conveyer comprising a plurality of chain-driven rollers a arranged to form a curved track, the upper run of the driving chain e rests upon and in engagement with sprocket wheels d secured to the rollers, and means extends across and above the upper run of the chain to prevent it riding up and becoming disengaged from the teeth of the sprocket wheels. As shown, the means comprises a channel-shaped guide g bent to conform to the curvature of the chain and attached to the outer side member b of the conveyer. The invention is applicable to spiral conveyers, and to curved sections in an inclined or horizontal conveyer.
Patent GB-240966-A (GB)
Title: Improved window holder
IPC: E05F11/00
Filed: 1925-04-28
Abstract: 240,966. Dixon, F. S. April 28, 1925. Window holders for sliding sashes.-A ball 4 held in a recess 6 in the sash by a plate 7 is pressed outwardly by a spring 5 to engage circular recesses 3 in a plate 1 on the frame. A disc 8 is placed between the ball and spring.
Patent GB-183349-A (GB)
Title: An improved hearth fire for coal, gas and other fuel
IPC: F24B1/193
Filed: 1921-07-11
Abstract: 183,349. Jeffrey, J. G. M., and Boote, Ltd., T. & R. July 11, 1921. Fuel-holders. -A hearth-fire " for coal, gas, or other fuel comprises two side blocks a, b provided with recesses a', b<1> having inwardly inclined bases a<2>, b<2> which accommodate correspondingly shaped projections c<2> on the front block c. A grid f rests in recesses a<3>, b<3> in the blocks a, b, and an ash-pan g is provided. Specification 146,715 is referred to. Reference has been directed by the Comptroller to Specification 13829/09.
Patent GB-271682-A (GB)
Title: Improvements in or relating to sustentation or propulsion of aircraft
IPC: B64C27/32
Filed: 1926-07-28
Abstract: 271,682. Purton, F. J. W., and Purton, P. A. July 28, 1926. Disc propellers.- Associated with a fuselage carrying an engine driving a tractor or pusher propeller, is a shaft f driven directly or indirectly from the engine carrying a plurality of arms c carrying wings d. The upper part of the shaft carries a helical propeller b and a disc a with a radial slot and a turned up edge e. The inclination of the wings and of the edge e is adjusted by a lever g, associated with a slotted ratchet h and rods i. The device may be used in combination with the devices described in Specification 168,732 and 201,989.
Patent GB-710923-A (GB)
Title: Improvements in or relating to transducer systems employing valve oscillator circuits
IPC: H04R19/04
Filed: 1952-07-28
Abstract: 710,923. Sound reproducing circuits. WEATHERS, P. July 28, 1952 [Aug. 1.3, 1951], No. 18968/52. Class 40 (4) [Also in Groups XXXVIII and XL (c)] A tuned anode circuit, coupled over the grid-anode capacity of a valve to a low impedance grid circuit maintains oscillation, while the tuning of a control circuit operating at a lower mean frequency coupled to the grid circuit is varied to modulate the oscillator, a demodulated signal being derived. from the anode circuit. The amplifier is described as applied to a phonograph (see Group XXXVIII) or microphone. The resonant frequency of the inductor 14 tuned by the stray capacity 20 and the variable capacity comprising the electrodes 10, 11 is varied by the displacement of electrode 11 by the record 12. A tap 24 feeds through a low impedance cable 22 the grid circuit of valve 28 which is maintained in oscillation by feedback over the grid-anode capacity 54 from the tuned anode circuit 34 the remote end of which is earthed for radio frequency over capacitor 38. Since the grid circuit operates at a lower mean frequency than the anode circuit the amplitude of oscillation increases as the grid circuit frequency increases and vice versa. The variations in anode currents due to the changes in amplitude of oscillation are fed through isolating resistor 41 to the grid of triode 75 having negative feedback over resistors 89, 90, 48 and thence to audio amplifier 79. By means of switch 94 capacitors 92, 93 may be switched in the feedback circuit to affect tone control. Low frequency negative feedback is applied to the oscillator by returning the grid resistor 45 to the coupling capacitor 42 thereby reducing turntable rumble. In order to increase the changes in the amplitude of oscillation with frequency an absorption circuit 55 may be employed tuned to a lower frequency than the mean frequency of the grid circuit and coupled to the anode tuned circuit 34. A further absorption circuit may be coupled to the inductor 14 and tuned to a lower frequency. In a modification, Fig. 7, the earthed stylus 120 moves between electrodes 121, 125 connected to the upper end of the inductor 14 and the auxiliary inductor 70 tuned to a lower frequency so that as the frequency of the tuned circuit including inductor 14 increases, that associated with inductor 70 decreases and vice versa. The input to the amplifier may be derived from a microphone, Fig. 2, in which an earthed plate 66 is vibrated in front of an electrode 65 connected to coil 14. In a further modification, Fig. 8 (not shown), the inductance of the input circuit may be varied by a movable core element.
Patent GB-671413-A (GB)
Title: Slings for lifting and lowering or for forming bundles
IPC: B66C1/12
Filed: 1949-07-19
Abstract: 671,413. Slings for handling loads. AMERICAN CHAIN & CABLE CO., Inc. July 19, 1949. [May 20, 1949] No. 19018/49. Class 78 (iv). In a sling comprising a noose formed in a chain by passing the standing end of the chain through a tubular portion of a guide member secured to the other end of the chain, a locking member is pivoted to the guide member so that it may be moved to a position in which it partly obstructs the opening of the tubular portion to form an opening for one link of the chain, which opening is of a size and shape to prevent passage of the adjacent link in the standing length of the chain. The member 13 shown in Fig. 1 is secured by a bolt 14 to the end of a chain 10 which passes through a tubular collar 12 of the member to form a sling. A plate 16 pivoted by an upstanding lug 18 on a bolt 15 is formed with V-shaped slot 17 which rests on the mouth of the tubular collar 12 and as shown receives one link of the chain while preventing the link above from passing into the collar. When the sling is lifted by the free length of the chain 10 the plate 16 turns about its pivot to allow the chain to pass through the collar 12 in tightening around the load.
Patent GB-843485-A (GB)
Title: Improvements in or relating to electrical capacitors
IPC: H01G4/224
Filed: 1956-09-28
Abstract: 843,485. Capacitors. DUBILIER CONDENSER CO. (1925) Ltd. Sept. 28, 1956 [July 1, 1955], No. 19097/55. Class 37. In a method of making a capacitor, a casing comprises a generally tubular container of moisture-proof material having an end portion of reduced cross-section which has an open end through which a terminal connection projects and which is sealed by temporarily placing in a mould and covering the end portion with a polymerisable material which is then polymerised in situ. Fig. 1 shows a wound capacitor C having a leadout wire D which is passed through a hole in a fibre or paper board washer B fitted against the reduced end portion A<SP>3</SP> of the metal casing A. The other end of the capacitor C is soldered to a tab E which is in turn soldered to the casing. The lower end of the casing is then sealed by soldering or welding a metal disc F. After placing the casing A in a tight fitting mould G, sealing material H is poured in and around the open neck A<SP>3</SP> and polymerised, preferably by heating. The sealing material should be of a kind that will shrink around the neck A3 such as material of the epichlorhydrin group, examples of which are known under the Registered Trade Marks "Epikote" and "Araldite". The washer B may alternatively be located at or near the open end of the casing or, if the casing is to be filled with the sealing material, omitted. A polymerised seal may be made at each end of the casing. Fig. 2 shows an arrangement in which the lead-out wire J is passed through a hole A 7 in the closed end of a container to make abutting contact with the metal-sprayed end of the capacitor roll. The capacitor may be impregnated through the hole A <SP>7</SP> before soldering in the wire J. The open end is then swaged to form the reduced portion as in Fig. 1. Specification 611,900 is referred to.
Patent GB-1276007-A (GB)
Title: Polyamides
Inventor: DAVY GEOFFREY SPENCER
IPC: C08L77/00
Filed: 1969-04-15
Abstract: 1276007 Stabilizing polyamides IMPERIAL CHEMICAL INDUSTRIES Ltd 25 March 1970 [15 April 1969] 19156/69 Heading C3R Polyamides A are stabilized against heat by incorporation of B phosphine or an organophosphine PHX 1 X 2 .X 1  and X 2  each independently represent H, or alkyl, cycloalkyl, aralkyl, or aryl, optionally substituted by -OH, -COOH, or -NH 2  gps.; e.g. Me, Et, Pr, Bu, lauryl, stearyl, -CH 2 OH, -C 6 H 5 , aminophenyl, or carboxyphenyl; or X 1 , X 2  and the P may together form a heterocyclic ring, e.g. X 1  and X 2  may form -(CH 2 ) 4 -, -(CH 2 ) 5 -, or The alkyl gp. may be C 8-18 . Examples of B are lauryl phosphine, stearyl phosphine, phenyl phosphine, and 1,2,3,4-tetrahydroisophosphinoline. B may be in such quantity that A contains 10-5000 p.p.m. P. Also present as antioxidant may be 0À01-10% wt., based on A, of C a substituted phenolic stabilizer, which may be a sterically hindered phenol, and/or #5 % wt. of D a substituted diphenylamine. In phenolic stabilizer C, the phenolic nucleus P may be substituted by group(s) S, attached to P via a C- atom itself attached directly to 2 or 3 other C- atoms in addition to that of P; S, may be in the o- or p-position w.r.t. the -OH of P. S 1  may itself contain phenol gp.(s). Also present may be substituent(s) S 2  containing X and/or X<SP>1</SP>, being independently a -COOH gp. or derivative thereof, e.g. carbamoyl, ester, or cyano. X or X<SP>1</SP> may be attached to P in an alkylene radical. S 2  may be sufficiently labile to take part in the polycondensation reactions. C may be where R 1  is a tertiary alkyl, aralkyl, or cylcoalkyl gp.; R 2  is an alkyl, cycloalkyl, aryl, aralkyl, or alkoxy gp., or -A-X, and R 3  is -A-X, or, if R 2  -A-X, R 3  may be A is a direct link or an alkene radical. C may contain 2 phenol molecules linked either directly or by an intermediate linking radical, e.g. alkylene, sulphide, or sulphone. Z or X<SP>1</SP> may form part of the linking radical. Diphenylamine D has substituents U in each of the positions pto the amino gp. U are alkyl, cycloalkyl, or aralkyl gps. D may be wherein R 4  and R 5  independently represent 12 C alkyl, cycloalkyl, or aralkyl, and R 6  and R 7  independently represent H, a #12 C alkyl, cycloalkyl, or aralkyl. R 4  and R 5  may be joined to the diphenylamine residue through a C atom of the gp. which is a saturated tertiary C atom. If C contains a single X group it may act as a chain-stopper; but if C contains 2 such groups, it will enter the chain: in this case, if the polyamine is formed from a diamine and dicarboxylic acid, the total dicarboxylic acid, including C, should be kept in approx. stoichiometric balance with the diamine. Also present may be TiO 2 , CH 3 COOH as viscosity stabilizer, and light stabilizers, e.g. Mn salts, which may be coated on TiO 2 . B, C, D, and other additives may be added before, during, or after the polycondensation reaction.
Patent GB-498002-A (GB)
Title: Improved bandage and process of manufacture thereof
IPC: A61F13/02
Filed: 1937-06-28
Abstract: A bandage comprises a strip of pliable absorbent material such as gauze, cheese-cloth and butter-muslin, on both surfaces of which tacky filaments are deposited from a mixture of raw rubber and a solvent in such condition that layers of the material will cohere when superposed, the filaments being so thin and so distributed that the absorptive property and pliability of the material is not impaired.  The base material or the rubber mixture may be coloured and antiseptic or aromatic substances may be incorporated in the rubber mixture or applied to the fabric.  The coated fabric is cut into strips to form bandages, if desired on the bias, e.g. at an angle of 45 DEG .  Any part of the bandage may be treated with talcum powder or french chalk.
Patent GB-279758-A (GB)
Title: Improvements in tea and like spoons
IPC: A47G21/18
Filed: 1927-07-22
Abstract: 279,758. Landsberg, H. Nov. 12, 1926, [Convention date]. Spoons.-A tea or like spoon has a bowl b of sugar, to supply the sweetening for the beverage, and a handle a of wood or other insoluble material. For use with lemonades, the handle may be in the form of a straw. The spoon may be supplied in sealed envelopes, which may, like the spoon handle, hear advertising matter.
Patent GB-1531657-A (GB)
Title: Face seal assembly
IPC: F16J15/34
Filed: 1977-05-10
Abstract: 1531657 Face-seal assembly CATERPILLAR TRACTOR CO 10 May 1977 [13 Sept 1976] 19541/77 Heading F2B A sealing assembly, e.g. for a truck wheel assembly 10 including a housing 12 and a relatively rotatable axle 22, includes first and second metal face seal rings 28, 30 defining a narrow seal band 32 adjacent their radially inner edges 34 and supported by resilient tori 40, 54, the face load being supplied by co-operation of torus 54 with inclined ramp faces 56, 58 on the sealing ring 30 and axle 22 respectively, and torus 40 being compressed in a groove 44 by a retainer 46. The ramp faces are inclined with respect to the ring axis at an angle of between 6 and 10 degrees, preferably of 8 degrees.
Patent GB-258055-A (GB)
Title: Improvements in apparatus for measuring the velocities of fluids
IPC: G01P5/12
Filed: 1925-08-01
Abstract: 258,055. Morris, J. T. MacGregor-. Aug. 1, 1925. Liquid-stream indicators.-In apparatus comprising a wheatstone bridge &c. with one or more arms exposed to a iiuid current and one or more arms shielded therefrom, the electric current passed through the bridge is standardized bv means of a second bridge, having two of its arms included also in the first bridge, means being provided for switching a galvanometer &c. from one bridge to the other.. The main bridge comprises arms a, b of nickel &c. having a substantial temperature-resistance coefficient, the wire b being shielded by a trube e, and arms c, d comprising manganin resistances. The standardizing bridge consists of the arms b, c and two manganin resistances i, k connected by a wire loop l provided with a contact arm m. A battery g in circuit with a rheostat h is connected to the points a<2>, b<2>, and a galvanometer &c. f is arranged in conjunction with a double-pole switch so that it can be connected either between the points a<1>, b<1> or between the point b<1> and the arm m. To standardize the current through the main bridge, the galvanometer is connected between the point b<1> and arm m and the rheostat h is adjusted until a balance is obtained. The galvanometer is then connected between the points a<1>, b<1> and the deflection obtained when the wire a is subjected to the fluid stream is a measure of the velocity of the fluid. The arm m may be adjusted around the loop l to apply a temperature correction, the temperature being indicated by a thermometer, or the wires i, k may be of such materials as automatically to apply the correction. Figs. 3 and 4 show the wires a - - d. and a thermometer v supported in an anemometer head s having a handle t and adapted to be connected to the remainder of the apparatus by means of a flexible lead u.
Patent GB-1467324-A (GB)
Title: Production of carbon disulphide
IPC: C01B31/26
Filed: 1974-04-25
Abstract: 1467324 Production of CS 2  FMC CORP 25 April 1974 [30 April 1973] 19594/76 Divided out of 1467322 Heading C1A Carbon disulphide is prepared by introducing a gaseous hydrocarbon stream containing a hydrocarbon having at least three C atoms into a stream of sulphur vapour in a reactor, the reactor having substantially vertical walls between which a stream of S vapour moves substantially vertically, the stream of hydrocarbon being introduced into the S vapour in a zone spaced from the walls so that contact between the unreacted hydrocarbon and the walls is substantially avoided, and in which the reaction mixture is moved vertically away from the zone of introduction of hydrocarbon stream. The hydrocarbon stream is preferably methane containing about 0À3 mole per cent hydrocarbons with 3 or more C atoms in the molecule. Exemplified is a propane stream (0À318 cm. in dia.) heated to 425 C. injected countercurrent concentrically into a wide S stream (2À09 cm. dia.) heated to 700 C., the resulting CS 2  has a plurality of 99À89%.