baber/WOPTO huggingface dataset:
Patent GB-1011134-A (GB)
Title: Testing semiconductor bodies for inherent mechanical faults
IPC: G01N27/20
Filed: 1963-01-14
Abstract: 1,011,134. Testing semi-conductors. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Jan. 14,1963 [Jan. 17, 1962], No. 1571/63. Heading G1U. Semi-conductor bodies are tested for mechanical faults by measuring the resistance or specific resistance of each body in at least two different directions; those bodies in which the measured values in the respective directions show a difference exceeding an empirically predetermined value being separated out as having mechanical faults. A disc 1 of e.g. germanium or silicons edge connected by contacts 2, 3 along diameters spaced at right angles (Figs. 1a, 1b to a current source 4 and a measuring instrument 5 which reads proportionately to the resistance or specific resistance thereof. The presence of a fissure 6 causes a substantial difference between the readings along the respective diameters, whereby the faulty disc may be identified. Alternatively, resistance or specific resistance values may be measured in three different directions by connecting three uniformly spaced contacts round the edge of the disc to a current source, a measuring instrument, and a common connection (Figs 2a, b, c not shown) and sequentially interchanging the connections, whereby the meter reading is proportional to the resistance in three distinct directions. In a further modification (Figs. 3a, b) an e.g. square disc 1 of semi-conductor material is symmetrically held at each edge by a respective contact 10, 11, 12, 13 and a current I from source 4 is applied between 10,11 while a potential difference V is measured between 12, 13. It is shown that the specific resistance of the disc (assumed uniform in all directions is given by #d/log e<SP>2</SP>.V/I where d is the disc thickness, so that for a perfect disc V/I has the same value if contacts 10, 11, 12, 13 are interchanged, and the presence of a mechanical fault e.g. a fissure 6 entails a corresponding difference between the values of v/I.
Patent GB-1018923-A (GB)
Title: Waveguide filters
Inventor: CRAVEN GEORGE FREDERICK
IPC: H01P1/213
Filed: 1963-01-14
Abstract: 1,018,923. Channel-dropping filters. STANDARD TELEPHONES & CABLES Ltd. Jan. 10, 1964 [Jan. 14, 1963], No. 1590/63. Heading H1W. A channel-dropping filter comprises a main waveguide 4 having first and second resonant slots 5, 6 spaced such that the impedance of the second slot as seen from the first is in inverse relationship to the impedance of the first slot, the waveguide 4 being coupled to a branch waveguide 7 through the first slot. The waveguide is coupled by the second slot to an adjustable short-circuited stub 9 whereby an effective open-circuited impedance is presented at the second slot. The slots may both be transverse (as shown) or longitudinal and are spaced apart an odd number of quarter wavelengths at the resonant frequency. Alternatively, a transverse and a longitudinal slot spaced by an odd number of half wavelengths may be used. The main waveguide and the branch waveguide may contain multiple-section filters and several branch guides for differing channels may be coupled to the main guide. The apparatus may be connected through an appropriate transformer to a circular waveguide utilizing the H 01  circular-electric mode. Where longitudinal slots centred on the guide are used, the main waveguide may be dimensioned to support the H 02  mode which will not be excited by the slots. The slots may be formed by sparkerosion techniques.
Patent GB-553193-A (GB)
Title: Improvements in or relating to motion transmission means
IPC: G01B3/00
Filed: 1942-02-06
Abstract: 553,193. Gauging and measuring devices. AKTIEBOLAGET SVENSKA KULLAGERFABRIKEN. Feb. 6, 1942, No. 1612. Convention date, Feb. 7, 1941. [Classes 106 (ii) and 106 (iv)] Relates to motion-transmitting devices comprising two parallel blade springs 2, 3 which connect two relatively movable members 1, 4 as in precision gauges, and consists in stiffening the blade springs by rigid pieces 6 throughout their entire length except where they are secured to the members 1, 4. The member 1 is fixed to the apparatus with which it is employed and carries a bracket to which is pivoted a bell-crank lever 7 to which is attached a blade spring 8 the free end of which engages a slof 9 formed on the member 4. The bell-crank 7 may be adjusted by a screw 10 so as to cause the spring 9 to urge the member 4 one way or the other with respect to the fixed member. A second screwed spindle 13 has a coned head 24 which enters a V notch 25 in the member 4 and serves to act as a stop limiting relative movement between the members. By screwing the spindle up so that the head 24 is hard up into the slot no relative movement is permitted and this is useful for transporting the instrument. The member 4 is provided with dove-tailed slots 14, 15, at right-angles, for connection to the parts movement of which is to be transmitted Figs. 3 and 4 show the invention applied to the measurement of a ring 40. The latter is placed on a table 16 and is engaged by a roller 18, a second roller not shown displaced 90 degrees therefrom and a third roller 17 the spindle of which extends through a slot in the table and is secured in a dovetailed slot in a member 23 which itself is adjustable in the slot 14 of the member 4. A member 27 adjustable in the slot 15 carries a micrometer screw 30 which is in alignment with and engages a plunger 32 of a dial gauge 31 mounted on a stationary part. In use, a standard ring 40 is placed between the three rollers and the screw 30 manipulated to adjust the gauge reading to zero. Successive production rings may then be gauged.
Patent GB-1164902-A (GB)
Title: Polyurethane Composition
Inventor: FREIFELD MILTON
IPC: C08L75/06
Filed: 1967-01-12
Abstract: 1,164,902. Polyurethane compositions. G.A.F. CORP. 12 Jan., 1967 [10 Feb., 1966], No. 1687/67. Heading C3R. A polyurethane composition comprises a linear, thermoplastic polyester-urethane elastomer and 0À1 to 10% by weight based on the weight of the elastomer of an interpolymer of an α,#-unsaturated dicarboxylic acid anhydride with at least one ethylenically unsaturated monomer. The polyester-urethane is suitably prepared by reacting a linear, hydroxyl terminated polyester of M.W. at least 600, an a-, #-glycol of 4 to 10 carbon atoms and a diphenyl diisocyanate. The interpolymers are preferably prepared from maleic anhydride and compounds such as vinyl ethers, vinyl esters, vinyl halides, acrylic acid and its esters, acrylic acid derivatives, N-vinyl heterocycles, styrene, alkyl styrenes, vinylidene chloride, vinyl ketones and olefins, and preferably have a M.W. of at least 1000. The polyester-urethane and interpolymer may be mixed, dissolved in a solvent and cast into films.
Patent GB-368464-A (GB)
Title: An improved garment for motorcyclists
IPC: A41D1/08
Filed: 1931-01-19
Abstract: 368,464. Motor cyclists' protective garment. MENDES, M., 52, Salmon Street, Kingsbury, London. Jan. 19, 1931, No. 1699. [Class 141.] A protective garment for the use of motor cyclists, comprises an apron-like garment with lower portion E capable of being wrapped around the wearer's leg and fastened by press fastenings F. A belt A with a quick release buckle B is provided at the waist. The fabric used for the garment is rubberized and pigmented. A front seam D of the garment is taped and cemented down with rubber solution. Specification 184,718, [Class 141, Wearing- apparel], is referred to.
Patent GB-1382881-A (GB)
Title: Dental filling materials
IPC: A61K6/083
Filed: 1972-01-14
Abstract: 1382881 Dental filling materials ESPE FABRIK PHARMAZEUTISCHER PR€PARATE GmbH 14 Jan 1972 [15 Jan 1971] 1783/72 Heading C3P A dental filling material comprises a silicate cement powder in admixture with an aqueous solution of one or more polymers containing more than 50% on a molar basis of units of one or more unsaturated α,#-dicarboxylic acids. A pack may contain a dry silicate cement powder and one or more polymers in dry, solid form, the pack forming the dental filling materials when mixed with water. A multi-component pack may contain a silicate cement powder, one or more polymers and water, at least one of these being separate. In the examples the materials comprise silicate cement powder, polymaleic acid solution and polyitaconic acid solution. Copolymers of maleic acid and itaconic acid and copolymers of unsaturated α,#-dicarboxylic acids with unsaturated monocarboxylic acids may also be used. The polymers may also contain up to 10 mol per cent of monomers free of carboxyl groups.
Patent GB-632048-A (GB)
Title: Improvements in terminals for electric conductors
IPC: H01R4/34
Filed: 1948-01-21
Abstract: 632,048. Binding-posts. CRAIG & DERRICOTT, Ltd., and DERRICOTT, E. L. Jan. 21, 1948, No. 1786. [Class 38 (i)] In a binding-post of the type wherein a wire is secured to an element 17 by a washer 14 advanced by a screw 10 screwing into the element, the washer is captive in a groove 11 adjacent the head of the screw whereby the washer moves axially with the screw. One or more leg portions 16 or a skirt on the washer project parallel to the screw and slide over the element 17. The latter may be tubular, as shown, or it may have one or more flat sides, the washer then being square or polygonal.
Patent GB-522295-A (GB)
Title: Improved apparatus for coiling wire, particularly for use in the manufacture of barricades
IPC: B21C47/00
Filed: 1939-01-18
Abstract: 522,295. Coiling formers. RENDAN HOLDINGS, Ltd., and BOERKEY, W. Jan. 18, 1939, No. 1806. [Class 83 (iv)] In a machine for coiling wire for use in barricades &c., arms b with cross-members a are rotated on a stationary shaft i by gearing on m. A releasable pin l engages a thread on the shaft i to move the former during coiling. One member a comprises a comb a<SP>1</SP> for spacing the coils. After coiling a clamp plate is secured to the comb and arm supports c are retracted by springs to allow the coil the comb and the clamp to be removed from the machine. The supports c are expanded by cams f. Specification 522,281, [Group X], is referred to.
Patent GB-304030-A (GB)
Title: Improvements in and relating to sparking plugs for internal combustion engines
IPC: H01T13/52
Filed: 1928-01-19
Abstract: 304,030. Imperial Airways, Ltd., Humphery, G. E. Woods-, and Hall, H. L. Jan. 19, 1928. Sparking-plugs. - The casing 1 is screw - threaded externally for the greater part of its length, its position within the cylinder being determined by lock-nuts 15, 16 separated by packing 17. An internal flange 4 serves as a seating for a block 9 of insulating material, a second block of insulation 10 being pressed against the outer end of the casing and a washer 11 placed in a recess 3. The central conductor 6 is wrapped in insulation 8, and formed with a head 7 recessed to receive the end of the block 9. The opposing surfaces of the head 7 and casing 1 are serrated, or the spark gap may be formed between the casing end 1 and fingers 19 upstanding from the head 7. The insulator 9 may be circumferentially grooved adjacent to the sparkgap.
Patent GB-574532-A (GB)
Title: Improvements in the manufacture of hydrogen cyanide
IPC: C01C3/02
Filed: 1944-02-01
Abstract: 574,532. Hydrogen cyanide. DREYFUS, H., MONCRIEFF, R. W., and WILLIAMS, H. O. Feb. 1, 1944, No. 1879. [Class 1 (ii)] Hydrogen cyanide is made by heating formamide with acetic anhydride, or other lower fatty acid anhydride, to a temperature above 100‹C. The molecular ratio of anhydride to formamide should be at least 2 : 1. The reagents may be heated together in either liquid or gaseous phase, in the latter case to 300-700‹C., and optionally in presence of a catalyst.
Patent GB-1353696-A (GB)
Title: Treatment of carcasses
IPC: A22C21/00
Filed: 1972-01-14
Abstract: 1353696 Treating poultry ARMOUR & CO 14 Jan 1972 [14 Jan 1971] 1882/72 Headings A2E and A2U In apparatus for treating poultry, e.g. turkey carcases, each carcase 10 is placed with its back resting on a support 18 and is urged longitudinally by a movable abutment 15 so that its breast bone is pressed against a stop 12 formed as a centering post. The carcase so positioned may then be subjected to mechanical treatments such as cutting or, as shown, penetration by hollow needles for injection of gaseous or liquid seasoning fluids &c. Seasoning materials include lemon, onion, pepper, butter, smoke, sodium chloride, monosodium glutamate, disodium inosinate, disodium guanylate. Flavoured water solutions and edible fats, e.g. animal fats, butter, vegetable fats and oils, and solids, e.g. crystalline viamins, iron-containing substances and calcium phosphate compounds may also be injected The embodiment described has a pair of spaced rods 18 by which the carcase is supported and guided into engagement with the stop when pressed by the abutment 15 which is operated by a pneumatic cylinder (not shown). A pair of thigh locator plates 17 mounted on slides 23 working in housings 24 are then moved into engagement with the knees of the carcase by pneumatic cylinders 39. Each assembly of housings 24 and pneumatic cylinders 39 is spring biased about a vertical pivot 25 so that the plates 17 converge on the carcase to seek their knee-engaging positions. When the plates 17 are positioned against the knees, sets of hollow injection needles 22 mounted on brackets 19 attached to the plates 17 are positioned so that they may penetrate the legs without encountering the bones. These needles, together with a set of needles 27 positioned to enter the main part of the carcase without encountering bone are operated by pneumatic cylinders, the depth of penetration of the needles and the initiation of the injection being controlled by sensing rods carried by the needle assemblies. After withdrawal of the needles, the plates 17 and the stop 12 are retracted and the abutment 15 pushes the carcase down a shoot 37. The Specification describes electrical circuitry for the sequential control of the above operations.
Patent GB-726433-A (GB)
Title: Improvements in or relating to textile bobbins
IPC: B65H75/18
Filed: 1953-01-22
Abstract: A textile bobbin has a body structure made of a composition comprising as essential ingredients ethyl cellulose and a thermoplastic resin which is either a phenol-aldehyde resin, a coumarone-indene resin or a petroleum hydrocarbon-insoluble pine wood resin.  The bobbin has high impact strength, hardness and stiffness. The proportion of ethyl cellulose to thermoplastic resin may lie within the range 50 : 50 to 93 : 7.  In an example, 100 parts by weight of ethyl cellulose, having an ethoxyl content of 45.8 per cent, is mixed with 50 parts by weight of a coumarone-indene resin, 16.7 parts of mica and 2 parts of diamyl phenol.  Titanium dioxide and benzidene yellow are added as colouring pigments.  The composition is moulded to form a textile bobbin.  In another example, the composition comprises ethyl cellulose, a petroleum hydrocarbon-insoluble pine wood resin, diamyl phenol, and molybdate orange.  Calcium carbonate is added as a neutralizer for the acidity of the resin.  The pinewood resin may be prepared by steaming pine wood chips, extracting with a coal-tar hydrocarbon, evaporating the solvent, removing turpentine and pine oil by distillation, and extracting the residue with gasoline or other petroleum hydrocarbon selective solvent to remove rosin.  The thermoplastic phenol-aldehyde resin may be obtained by simple condensation of an appropriate phenol with an aldehyde in presence of a catalyst, or a modified phenolic resin may be obtained, e.g. a phenol-formaldehyde resin modified with rosin.  The bobbin may be obtained by injection moulding.  After thorough mixing of the ingredients, and drying in an oven at 160 DEG F. with a forced air circulation, the mixture may be extruded through a multiple strand extruder and the strands may be cut into short lengths.  The resulting moulding powder may be injected into a textile bobbin mould.  The injection cylinder may have a temperature of 470 DEG  F. at the front and 450 DEG  F. at the back, and an injection pressure of 18,000 p.s.i. may be used.  The composition may contain anti-oxidants, stabilizers and inert extenders or fillers, as well as pigments or other colouring materials.ALSO:A thermoplastic resin which is substantially insoluble in petroleum hydrocarbons such as gasoline is obtained by steaming pine wood chips, extracting with a coal tar hydrocarbon, evaporating the solvent and removing the turpentine and pine oil by distillation, and extracting with a petroleum hydrocarbon selective solvent, such as gasoline, to remove rosin.  The thermoplastic resin so obtained may be mixed with ethyl cellulose to form a moulding composition for making textile bobbins (see Group IV (a)).
Patent GB-490849-A (GB)
Title: Potentiometers
IPC: H01C10/32
Filed: 1937-01-22
Abstract: 490,849. Variable resistances ; resistance casings. HENTON, A. O., and DREWETT, A. F. Jan. 22, 1937, No. 1922. [Class 37] A potentiometer comprises a resistance strip of part tubular shape reinforced by a similarly shaped concentric conducting strip with interposed insulation, conductor supports for the strips, and a spring contact, adapted to bridge the strips by engaging the inner and outer peripheries of the combined strip, and rotatably mounted to be movable therealong. The resistance strip comprises, for example, a carbon compound applied to a strip of paper 30 bent to part tubular shape. Externally thereof and concentric therewith is an insulating strip 31, the combined strip 30, 31 being gripped at its ends by the hooked ends 33, Fig. 3, of two terminal strips 32 riveted at 17 to an insulating plate 14 and bent to pass therethrough. The combined strip 30, 31 is embraced by an arcuately sectioned tubular conducting strip 34 secured in the hooked end of the central terminal strip 35, and cut away at 36 to be clear of the strips 32. The adjusting shaft 24, rotatably mounted in a bush 18, is riveted to a metal plate 26 carrying an insulating plate 27, a U-shaped spring contact 37 mounted in the insulating plate 27 engaging the resistance and conducting strips 30, 34. A spring washer 29 and a circlip 25 prevent axial movement of the shaft 24. A metal casing 11 internally insulated at 12 is secured to the insulating plate 14 and to a metal plate 19 secured to the bush 18, by projections 22 on the casing passed through holes in the plates 14, 19 and bent over. The bush is externally screw threaded for attachment to a supporting panel (not shown) and lugs may be pressed out from the metal plate 19 to be passed through and bent back against the panel.
Patent GB-656989-A (GB)
Title: Improvements in or relating to finger stalls
IPC: A61F13/10
Filed: 1949-01-24
Abstract: 656,989. Finger stalls; hand coverings. WILSON, J. H. Jan. 24, 1949, No. 1935. [Class 141] A finger stall is formed of layers of wood pulp or similar material, treated with an antiseptic and arranged between a lining and a covering of textile gauze. Each layer is formed of strips B, Fig. 2, disposed edgeto-edge and overlapping the adjacent edges of those of the layers above or beneath them, and the strips at the closed end of the stall may be folded over to form a pad. A reinforcing band D may be provided beneath the covering C, Fig. 5, and a surgical dressing E arranged inside the stall and attached to the stall lining A at the open end. The stall may be moulded on a cylindrical mandrel with a domed end, and the outer surface covered by an antiseptic sealing composition. The stall may be adapted for use as a surgical hand covering by cutting off the closed end, slitting the remainder longitudinally from the other end and then transversely in both directions, thus forming a ring portion adapted to engage a finger and a rectangular hand-covering portion secured in position by tapes F, Fig. 7.
Patent GB-112185-A (GB)
Title: Improvements in Gas and Vapour Pumps for Internal-combustion Engines of the Constant-pressure Cycle.
Inventor: BROOKE HOLMAN LINNELL
IPC: F02M71/02
Filed: 1917-08-08
Abstract: 112,185. Brooke, H. L. Aug. 9, 1917. Regulating.-Vapour is formed in a doubleacting pump D and is compressed and injected through the valve N into a compressed charge in the engine cylinder. The passages in the pump may be modified, and by substituting a gas' port for the nozzle E, gas may be pumped instead of vapour. The pump is driven by a cam H which is surrounded by a strap carrying two bowls J mounted on cross-heads K and pressed against the cam by springs. The valve N is opened by a cam T acting through a cam-shaped distance-piece, by which the lift of the valve is adjusted.
Patent GB-739347-A (GB)
Title: Package of sutures
IPC: A61B17/06
Filed: 1954-01-22
Abstract: 739,347. Packaging sutures. ETHICON, Inc. Jan. 22, 1954, No. 2005/54. Class 94 (1). A group of folded sutures 14 is held together loosely by a tie 16, Fig. 1, or tab 18, Fig. 6, and enclosed in a hermetically sealed rigid or flexible container, such as a glass tube 10, the tie or tab having its end or ends extending from the group so that it may be pulled to withdraw the group from the container when the latter is broken or otherwise opened. The sutures are protected by a paper jacket 12 which prevents fraying when the tube is broken. Each suture may have a needle attached to one or both ends. The tab 18 is made of stiff material, such as aluminium, or paper stiffened by a wire 20. The tube 10 may contain sterilizing liquid.
Patent GB-850948-A (GB)
Title: A method of processing webs of paper or like material
IPC: D21H19/52
Filed: 1958-01-21
Abstract: 850,948. Coating and printing upon paper. TIMSON, E. A. March 19, 1959 [Jan. 21, 1958], No. 2027/58. Class 96. Paper or the like of inferior quality is coated, e.g. with a " pigmented aniline " or with a cellulose-based composition which may dry by absorption into the paper, or may be dried by heat, to improve the printing quality of the paper, and, during the same run of the paper, it is printed upon the coated surface. The coating composition may be applied by spray or by rollers. Certain areas only may be so coated &c., the remainder being uncoated and not printed upon.
Patent GB-226691-A (GB)
Title: Improvements in crystal holders for wireless receiving sets
IPC: H01L29/00
Filed: 1924-01-25
Abstract: 226,691. Gooch, A. Jan. 25, 1924. Crystal detectors.-The crystal is held between two claws carried on the ends of aligned rods, one claw being loosely mounted on a threaded rod, the other claw being fixed to its rod, which is rotatable and is movable longitudinally under spring control. The crystal E is held between a claw c rotatably mounted on a screwed rod C and a claw d fixed to a rod D. The rod C screws through a tapped hole in a bracket a' and the rod D slides through a bracket a<2> both brackets forming part of a U-shaped frame A<2>, screwed to an ebonite disc A<1>, A spring d<2> is compressed between the claw d and the bracket a<2>. The crystal is moved axially by turning the rod C, and is rotated around the axis by turning the rod D. The wire contact F<1> is carried by an arm F having a ball-and-socket mounting on the disc A<1>. Metallic connection from the two terminals b to the arms F, D is obtained bv brackets A which also support the disc A<1>. The detector may be enclosed in a glass cover G which is mounted on a disc g<1> and enters a recess in the disc A<1>. It is retained in position by the pressure of a hinged spring arm g<2> on the disc g<1>. In a modification, the spring d<2> is enclosed in cups carried on the bracket a<2>.
Patent GB-1217313-A (GB)
Title: Pilfer-proof covers
Inventor: METCALF HUGH
IPC: B65D83/14
Filed: 1967-01-16
Abstract: 1,217,313. Container closures. ARMSTRONG CORK CO. 16 April, 1968 [16 Jan., 1967], No. 2139/67. Heading B8T. A resilient, preferably thermoplastics, cover 1 for an aerosol or other container, has an increased cross-section portion 2 integrally formed with a locking ring 4 on its inner surface and a tab 5 on its outer surface. On each side of the tab the portion 2 and a shoulder 3 are weakened to ease the breaking of the locking ring 4. The ring 4 extends at least partially around the inner surface of the cover. Tab 5 can alternatively extend downwardly or outwardly.