baber/WOPTO huggingface dataset:
Patent GB-1396930-A (GB)
Title: Floor cleaner
IPC: A47L11/33
Filed: 1972-12-28
Abstract: 1396930 Carpet cleaners H HUKUBA 28 Dec 1972 59813/72 Heading A4F In a carpet sweeper a wire member 6 having downwardly directed V-shaped projections 19 is disposed above the bottom of each of two dust receptacles 5 to prevent the return to the cleaning brush 4 of tangled clusters of dust, hair, &c, collected in the receptacles 5. Combs 7 are provided for cleaning the rotary brush 4 and a spring 16 maintains the receptacles 5 in operative positions.
Patent GB-1259782-A (GB)
Title: Improvements in or relating to zinc alloys
Inventor: HARE GEORGE ANTHONY
IPC: C22C18/04
Filed: 1968-12-20
Abstract: 1,259,782. Zinc base alloy. DEFENCE SECRETARY OF STATE FOR. April 3, 1969 [May 3, 1968; Dec. 20, 1968], Nos. 21118/68 and 60579/68. Heading C7A. A wrought superplastic quaternary two phase alloy consists of: - Zn 70-82% Al 30-18% to which is added up to 0À25% Mg and up to 2% of Cu, Ni or Ag. The alloy may be homogenized at 280-380‹C. followed by cooling with optional reheating to 275‹C. The micro-structure of the heat-treated alloy may be varied by the rate of cooling.
Patent GB-1342350-A (GB)
Title: Naphthalimide derivatives
IPC: D06L3/12
Filed: 1970-12-22
Abstract: 1342350 Naphthalimide derivatives SUMITOMO CHEMICAL CO Ltd 22 Dec 1970 [30 Dec 1969 (5) 8 May 1970 23 May 1970 15 July 1970 18 Sept 1970 (2) 6 Nov 1970 12 Nov 1970 (3)] 60858/70 Heading C2C [Also in Division D1] Novel naphthalimide derivatives of the general formula wherein R is an alkyl, cycloalkyl, aralkyl, haloalkyl, alkoxyalkyl, hydroxyalkyl, N,N-dialkylaminoalkyl, unsubstituted or halogen-, alkyl-, alkoxy-, or hydroxy-substituted aryl radical, or an unsubstituted or hydroxy.substituted alkylpyridinium or alkylammonium radical; X is either (a) a group of the formula wherein A is -CH = CH-, -CH 2 -CH 2 - or an unsubstituted or halogensubstituted arylene radical; or (b) a group of the formula wherein R 1  is a hydrogen atom or an alkyl, phenyl, hydroxyalkyl or alkoxyalkyl radical; Y is -CO-, -COO-, -CONR 3 - (wherein R 3  is a hydrogen atom or an alkyl radical), or -SO 2 -; and R 2  is either (i) hydrogen; (ii) a substituted or unsubstituted alkyl, cycloalkyl, aralkyl, aryl or heteroaryl radical; (iii) a group of the formula wherein R 4  is a bivalent group; or (iv) a group of the formula wherein R 5  is a direct link or a bivalent group; Q<SP>+</SP> is a substituted ammonium, pyridinium, morpholinium, diazabicyclooctinium, pyrrolinium or hydroazinium cation and ais an anion, are prepared by either (i) reacting a compound of the formula with a cyanate, an isocyanic acid derivative, an  acid halide of the formula  or an acid anhydride of the formula wherein Z is a halogen atom, (ii) reacting a compound of the formula with a compound of the formula ROH, (iii) reacting a compound of the formula with an alkylating agent, or (iv) reacting a compound of the formula wherein is 1, or of the formula  wherein R 6  is an unsubstituted or hydroxysubstituted haloalkyl radical, with an amine or hydrazine and, if necessary, reacting the resulting naphthalimide derivative with an alkylating agent or a quaternizing agent. The novel compounds may be used as optical brightening agents for organic polymers.
Patent GB-612747-A (GB)
Abstract: 612,747. Chairs etc.; resilient mountings. ZAGRODZKI, W. May 31, 1946. No. 16594. [Classes 52 (i) and 52 (ii)] A chair, &c., comprises a rigid metal or plywood frame of which some or all of the members such as arms, back, sides, &c., are divided by spaced slits into relatively resilient parts. As shown the underframe comprises front and rear cross bars 10, 11, connected to side frames 12, having legs 13. The seat and back forming portions 15, 16, comprise a sheet of plywood, appropriately bent, and secured only at the front to the cross bar 10. Armrests 18, 19 are also formed of bent plywood and secured to the undersurface of the seating portion 15. Slits 21 are provided to increase flexibility or resilience. A cover 22 of preferably rubber with facing material 23 is provided.
Patent GB-719461-A (GB)
Abstract: 719,461. Sewing-machines. SILBERSTEIN, V., AIRCRAFT STEEL STRUCTURES, Ltd., and BREN MANUFACTURING CO., Ltd. March 7, 1951, No. 5562/51. Class 112 Relates to book-stitching machines having a saddle 1 which is reciprocated between working and loading positions and which comprises two mutually inclined plates 2, 3 defining an apex at which they are separated by a narrow slit through which, in the working position, the needles 4 pass, a stitching bar 11 being provided to bear on the layers of material to be stitched. According to the invention the front plate 3 is pivoted to the saddle body about an axis parallel to the apex and remote therefrom and resilient means are provided to urge the plate upward in the working position. At each end the plate 3 is apertured to receive a spindle 7 surrounded by a helical spring 8 secured at its inner end thereto, the spring resting on an abutment 9. Extension of the spring is limited by a nut 9. The helical springs may be replaced by leaf springs or pneumatic capsules Specification 719,4M is referred to.
Patent GB-2001215-A (GB)
Title: Fuse status sensor
IPC: H02H3/04
Filed: 1978-06-16
Abstract: A sensor for detecting failure of a fuse 40 in an electrical power grid includes a circuit breaker 46 arranged across the fuse and having a selected breaker impedance and breaker current rating, so that the breaker will not open until the failure of the fuse. The sensor also includes an auxiliary breaker switch 50 which is arranged in a circuit to provide an indication that the fuse and breaker have opened. <IMAGE>
Patent GB-2028642-A (GB)
Title: Workbench
IPC: B25H1/04
Filed: 1978-07-07
Abstract: A workbench 1 comprising a worktop 2 and a support structure 5 for supporting the workbench on a floor or other substrate, the work-top and support structure being relatively pivotably interconnected 6, 7, 8, 9, and the support structure being movable between an erected position in which the work-top is substantially horizontal and a collapsed position in which the work-top and support structure are generally parallel, characterised in that there is intermediate connecting means 10 slidably connecting the work-top and the support structure for movement between the erected and collapsed positions. <IMAGE>
Patent GB-2003541-A (GB)
Title: Two-key cylinder lock
IPC: E05B29/06
Filed: 1978-08-15
Abstract: A door lock has a lock cylinder to accept two different keys and two locking members movable by the cylinder only one or both of which are retained locked by a detent when one or the other key is used, i.e. it cannot be unlocked by a "garage key" after locking with a "safety key". The cylinder (1), when rotated by either key directly rotates one locking member (51) and has a projection (27) for rotating, when rotated only by the "safety key", through a control sleeve (16), a second locking member (57) after an initial rotation of 30 DEG  to align recesses (55 and 64) in both locking members for engagement with a detent (66) after subsequent rotation together. Extra tumblers (21) (22) (23) (24) are inoperable by the "garage" key to release the control sleeve (16) from the cylinder (1) and allow the initial relative rotation between the control sleeve (16) and cylinder (1) to achieve alignment of the recesses (55) (64) necessary for "safety" locking, nor disalignment necessary for unlocking from the "safety locked" position. <IMAGE>
Patent GB-2003559-A (GB)
Title: Liquid supply system for hydrostatic bearing
IPC: F16N29/02
Filed: 1978-09-01
Abstract: In a pressurised liquid supply system for a hydrostatic bearing (11, 12, 13) there may be a failure of the supply of liquid to the bearing. To allow the relatively rotating parts of the bearing to come to a halt before the otherwise separated surfaces contact each other, the invention provides a system including an accumulator (28) for storing pressurised liquid and means (29, 30, 34, 36, 37, 38 and 42) for diverting some of the liquid to the accumulator from the supply to the hydrostatic bearing, for maintaining the liquid stored in the accumulator at a pressure greater than the pressure of the liquid supplied to the bearing, and for supplying the liquid in the accumulator to the bearing when the supply of liquid direct to the bearing fails. <IMAGE>
Patent GB-2004010-A (GB)
Title: Replenishing device for an antiskid brake system
IPC: B60T8/32
Filed: 1978-09-06
Abstract: An antiskid braking system has a brake actuator 18 operated by fluid pressure from the chamber 14 of a master cylinder 12, acting through a skid-responsive undulating valve 20. A replenishing device 22 for the brakes comprises an accumulator 32 connected to the brake actuator 18 through a valve 36 which is normally closed by the fluid pressure in the accumulator 32. A piston 38 is responsive to a difference between the pressure in the chamber 14 and the pressure prevailing downstream of the valve 36 to the chambers 40 and 42 of the replenishing device, so as to open the valve 36 when the pressure difference exceeds a predetermined value. The accumulator is recharged by a pump 52 operated by movement of the vehicle suspension. <IMAGE>
Patent GB-2032983-A (GB)
Title: Vehicle Control Device
IPC: E01F13/12
Filed: 1978-10-25
Abstract: A vehicle control device comprises a fabricated body 10 in a hollow 11 of which is disposed a shaft 27 having a series of spaced spikes 28 detachably engaged therewith. The shaft 27 is angularly rotatable manually by means of a lever or electrically or hydraulically, preferably from a remote location, from a position in which the spikes 28 lie wholly within the body 10 to a position in which the spikes project through respective slots 25 in an upper surface of the body. The device provides an effective means for immobilising an unauthorised vehicle passing over the device. The spikes 28 may include an explosive charge. <IMAGE>
Patent GB-2013752-A (GB)
Title: Securing plastics headstones to a foundation
IPC: E04H13/00
Filed: 1978-11-15
Abstract: A hollow headstone 3 and plinth 2 are made separately from a plastics material externally resembling stone and are erected by setting lower flanged ends of support rods 6, 7 in a concrete raft 4 in the ground 5, coating upper, projecting parts of the rods with resin and locating the plinth and then the headstone on the rods such that respective apertures and cavities 10, 11, 13 cooperate with the rods. The resin is allowed to harden to secure the plinth and headstone in position. The headstone may be filled with foamed plastics or cast in situ concrete. <IMAGE>
Patent GB-2012419-A (GB)
Title: Methods and Apparatus for Constituent Analysis of Earth Formations
IPC: G01V5/10
Filed: 1979-01-09
Abstract: The composition of an earth formation is investigated by repetitively irradiating the formation with bursts of fast neutrons and generating 56 an energy spectrum of the gamma rays resulting from the in elastic scattering of such neutrons by nuclei of the formation. This spectrum is analyzed by comparing it 70 with a composite spectrum, made up of standard spectra 68 of constituents postulated to comprise the formation to determine the proportions in the formation of the postulated constituents. The composite spectrum includes one or more standard spectrum derived 62 from a background energy spectrum generated 58 from gamma rays detected during periods between neutron bursts. The standard background spectrum or spectra are preferably updated repetitively to reflect the current background component in the detected inelastic scattering gamma ray spectrum. More reliable information is thereby obtained of the presence of oil in the formation through the derivation of such indicators as the carbon/oxygen ratio, calcium/silicon ratio and the like. The detected background gamma ray spectrum may also be analysed to determine the proportions of the formation constituents contributing to such spectrum; and the standards for the most significant background contributors, or the composite spectrum produced by such standard spectra, may be used among the standard spectra for the inelastic scattering spectrum analysis in lieu of the standardized detected background spectrum itself. <IMAGE>
Patent GB-2016724-A (GB)
Title: Method of preparing photographic silver halide emulsion grains
IPC: G03C1/015
Filed: 1979-02-27
Abstract: In making a photographic silver halide emulsion by mixing aqueous silver salt and halide solutions in the presence of a peptizer, a methine spectral sensitizing dye is introduced into the reaction mixture after the formation of silver halide nuclei but before silver halide grain precipitation has been completed. The emulsion can be further spectrally sensitized with dye added after silver halide precipitation has been completed. Advantages of the method can be improved emulsion speed, improved storage stability, reduced tendency for dye desorption, reduced stain, improved light absorption and the possibility of influencing grain growth to produce grains of chosen crystal habit.
Patent GB-2018778-A (GB)
Title: Vectors derived from lambda bacteriophage
IPC: C12N15/00
Filed: 1979-04-12
Abstract: A vector formed of a modified DNA of bacteriophage  lambda , comprises in combination: - mutations, particularly in the Q and S genes, having the effect of preventing or retarding the expression of the late genes, particularly of regulating the production of proteins necessary for the encapsidation of this modified DNA in a bacterium notably E. coli, provided with suppressors of said mutations; - a DNA fragment of bacterial origin comprising a part at least of the Z gene of E. coli and a promotor of a bacterial operon, inserted in a non-essential part of the genome of the phage and a site of cleavage by an endonuclease, particularly EcoRI, in the above- said portion of the Z gene, to the exclusion of any other site of cleavage by the same endonuclease in the above-mentioned modified DNA. This vector enables the insertion in the site of said endonuclease of the gene of a determined protein, and the expression and production of a hybrid protein comprising said determined protein, by bacteria infected with said vector. The mutations in the Q and S genes delay the bacterial lysis and favor the accumulation of numerous copies of the hybrid protein in said bacteria.
Patent GB-2052150-A (GB)
Title: Piezoelectric vibrator unit
IPC: H03H9/10
Filed: 1979-06-28
Abstract: A piezoelectric vibrator unit has improved sealing, heat-resistance and shock-resistance. The vibrator has a crystal mounted on a base 44 and a protective member 50 disposed between a housing 30 sealed to the base and the crystal. The protective member 50 is, at least in part, of a corrugated shape 52 so as to form gaps between itself and the inner wall of the housing 30. The gaps act as mechanical buffers against impact forces on the vibrator unit if it is dropped during handling, for example. The protective member is moulded from a polymer-impregnated woven material; a compression mould comprising corrugated members is described. <IMAGE>
Patent GB-2039671-A (GB)
Title: Acoustic imaging
IPC: G01S7/52
Filed: 1979-11-16
Abstract: A mechanism scans a beam projected by a sound transducer head 2 in a preselected sectional plane. A fluorescent screen displays a section image derived from the echo signals. Additional means are provided for a simultaneous display of certain signals in a different mode, particularly in a time- motion or A display. An additional sound transducer head 1 is used for the display in said different mode and projects a sound beam in the plane which is scanned by the first sound beam. The pulse frequency of the second sound beam is a multiple of the picture frequency of the section image. The sound beams 3,4 of the two sound transducer heads 1,2, intersect at right angles and are incident on a semi-transparent reflector 5 at the intersection region. <IMAGE>
Patent GB-2038175-A (GB)
Title: Mattress
IPC: A47C27/00
Filed: 1979-11-29
Abstract: An interior sprung mattress 1 comprises a spring unit 2 and 3 to which are attached upper and lower linings 4,5 carrying upper and lower fibre pads 6,7 secured by turned over edges 8 of the linings and anchored by staples 9. Upper and lower pads of flocked or foamed material 10,11 are carried thereon, and the resulting padding assemblies covered by inner covers 12,13 having peripheral elastic threads 14 and eyelets 15, toggles 16 with elastic strands 16a extend between opposed eyelets through the spring unit and tension the covers. Pudding ties 17 are provided extending between the covers 12,13 and a removable outer cover comprising parts 18,19 is provided, having a zip 20. The corners and other parts may be reinforced by T shaped foam blocks 21 anchored in springs, and an optional removable cover 23 may be provided between inner and outer covers. The outer cover may be finished with ornamental seams 24 and be quilted with polyester cellular padding 22 as filling. <IMAGE>
Patent GB-2042608-A (GB)
Title: Buoyant Accommodation
IPC: B63B35/73
Filed: 1980-01-16
Abstract: A buoyant structure comprising a main body ellipsoidal in shape and having a closeable opening in the wall thereof providing access to the interior of said ellipsoid, a passage or channel extending along the minor axis of the ellipse and in which an elongated support member is displaceable, and counterbalance or stabilizing weight means located at the end of said support so as to be displaceable beneath said main body towards and away therefrom. The walls may be formed of foam plastics laminate. The structure may provide dual purpose accommodation for use at sea or on land, e.g., in areas prone to earthquake. <IMAGE>
Patent GB-2042054-A (GB)
Title: Fastening device for diving equipment
IPC: A44B11/02
Filed: 1980-01-31
Abstract: A fastening device for diving equipment provided with fastening bands or straps formed with transversal retaining ribs. The device comprises a base plate 1 provided with a slot 4 for the passage of said strap. A stem 5 projects upwardly from said base plate and is provided at its upper end with a platelet 6 extending sidewise at both sides. One of the said side extensions extends over said slot up to the outer edge of the said slot, so as to clamp the strap between the slot outer edge and the cooperating edge of the platelet extension. By exerting a pressure on the opposite side extension of the platelet in the direction of the base plate, the strap will be released. <IMAGE>
Patent GB-2047567-A (GB)
Title: Coating with particulate material
IPC: B05D1/06
Filed: 1980-03-17
Abstract: A method and an apparatus for coating a surface of an article. The apparatus comprises a chamber (10) with an inlet (14) connected to a source of thermosetting or/and thermoplastics powder, for example powder paint, entrained in a stream of air or gas, and a plurality of outlets (16) arranged to direct particles of powder entrained in air or gas issuing from them towards the surface to be coated. The velocity of the air or gas is reduced as it passes through the chamber by creating a low pressure zone in the chamber by a cyclone effect. The particles are charged electrostatically, for example by triboelectric charging, to assist their adhesion to the surface. The chamber has a radio frequency induction heater (17) arranged to heat the surface so that the particles adhere to it and fuse to form a coating thereon. <IMAGE>
Patent GB-2047809-A (GB)
Title: Lubricating-oil gear pump for an I.C. engine
IPC: F04C2/08
Filed: 1980-04-03
Abstract: The pump comprises an internally-toothed gear outer gear (3) meshing with an externally-toothed inner gear (4) in a chamber (5) formed by a housing (1) and a cover (2). A crescent-shaped piece (7) fills the space between the gears. The housing has a suction pocket (8) and a pressure pocket (9) separated from each other by a web (10). The cover has an annular groove (23) and the inner gear is provided on an inner bearing surface (17) with a chamfer (21) which in conjunction with the housing forms an annular chamber (22), the said chamber and groove being fed with oil through a groove (25) in the pressure pocket and a groove (24) in the web, respectively. The oil in the said groove and chamber reduce friction and obviate ingression of air. Recesses (27 to 30), Fig. 3 (not shown), may be formed in the housing and the cover to further reduce friction. <IMAGE>
Patent GB-2080643-A (GB)
Title: Resistance monitoring circuit
IPC: G01R31/50
Filed: 1980-07-19
Abstract: A monitoring circuit is disclosed for monitoring an electrical device e.g. a heating tape 1 which is periodically turned on and off. The circuit detects whether the monitored device is on or off, monitors an electrical characteristic of the monitored device when turned on, and monitors an electrical characteristic of the monitored device when turned off. A switch controlled in dependence upon whether or not the monitored device is turned on switches between two circuits which perform respective monitoring functions. When a characteristic monitored exceeds a preset limit, a fault is indicated. The monitoring utilizes resistance bridges e.g. 8,13,12,1, and a signal processing circuit for connexion to Figure 1 is described in detail. Figure 2 (not shown). <IMAGE>
Patent GB-2060724-A (GB)
Title: Fabric laying machine
IPC: B65H45/103
Filed: 1980-07-31
Abstract: A device for withdrawing web material from a supply roll (5) in a laying machine and advancing the same free of tension to a folding table (1) comprises a cradle provided on a reciprocating carriage (2) for supporting the supply roll (5). The cradle is formed by a plurality of endless conveyor belts (7, 8, 14) operatively associated with driven and idler rollers (9, 11, 12) mounted in the carriage (2). A reversible drive motor is operatively connected to the drive rollers for effecting rotation of the belts in a selectable direction of movement. <IMAGE>
Patent GB-2058970-A (GB)
Title: Automatic wear adjuster for drum brakes
IPC: F16D51/20
Filed: 1980-08-12
Abstract: An internal drum brake of the kind including a strut 21 between a hand-brake lever 18 pivoted on one shoe 12 and the other shoe 11 has a wear adjuster 22 comprising a pair of screw-threaded member with step by step means 27 for relative rotation thereof on operation of the service brake system, the axis of the screw-threaded member intercepting the line of action between the shoe and an abutment on the strut 21 which limits return movement of the shoe to a brake-released position, one of the members having a spacer between the shoe and the abutment, the spacing effect of the spacer being changed on relative rotation of the screw- threaded members. In alternative embodiments the spacer is mounted between the strut and the hand-brake lever. <IMAGE>
Patent GB-2062032-A (GB)
Title: The production of knitted fabric on a circular knitting machine
IPC: D04B9/46
Filed: 1980-09-29
Abstract: A knitted article such as a pair of tights is knitted in two parts on a circular knitting machine, with the two parts being joined directly by the machine. During the knitting of the body area of the first part, successive pairs of hooks of a welt dial engage stitches formed on two needles adjacent to, and on opposite parts of a longitudinal cut line. After each pair of hooks have taken the stitches, the welt dial is displaced angularly relative to the needle cylinder, for a multiple of the pitch between the needles. During the initial knitting of the second part of the article in the body area, the stitches are transferred progressively from the pairs of hooks to the needles and therefore to the fabric, the wet dial being displaced angularly relative to the needle cylinder between the stitch transfer from successive pairs of hooks. <IMAGE>