baber/WOPTO huggingface dataset:
Patent GB-779048-A (GB)
Title: Ornamental stitch sewing machine
IPC: D05B19/00
Filed: 1955-11-30
Abstract: 779,048. Sewing machines. SINGER MANUFACTURING CO. Nov. 30, 1955 [Dec. 8, 1954], No. 34262/55. Class 112. Needles shifting laterally. A zig-zag sewing machine is provided with a plurality of cams each having its own follower and the pattern is produced by selective use of one or a particular combination of these cams to effect transverse movement of the needle. The shaft 72, Fig. 7, is actuated from the driving shaft 22 through spiral gears 78, 79 and carries a cam 64 and a hub member 131 which carries as integral parts five cams 132. A follower 120, mounted on a pin 108, and five followers 140 mounted on a pin 141, co-operate respectively with cam 64 and cams 132. Each follower may be turned on its pin to an inoperative position. The pins are carried by an arm 60 of a bell crank lever and, when straight stitching is desired an arm 106 mounted on pin 108 may be turned so that a finger thereon contacts an inclined abutment 111 and raises the arm 60 to render all the followers ineffective. The cam 64 may be replaced by a cam 150, Fig. 13, with two or more notches 152 any of which may be engaged with the driving pin to alter the phase position of the cam. The bell crank lever 60, 49, Fig. 9, operates a bell crank lever 44 coupled by a link 42 to the needle-bar gate 31. The lever 44 is pivoted to a guide block 80 arranged in a guideway in a guide head 84 which may be adjusted arcuately and bodily to vary the maximum needle vibration and the neutral position of the needle. The guide head is mounted and adjusted as described in Specifications 733,462 and 733,470.
Patent GB-1388366-A (GB)
Title: Infusion bag with hanger strip
IPC: A47J31/06
Filed: 1973-07-19
Abstract: 1388366 Infusion bag; labelling A RAMBOLD 19 July 1973 [26 July 1972] 34365/73 Headings B8C and B8F In a tea infusion bag 528 which has its head 520 reinforced by a folded flexible strip 520 covering one or both sides of the bag and stapled or welded to the head 530, tear lines formed in the or one of the strip portions covering a bag side define, upon tearing, a hanger for connection to a tea-pot spout and at least one web which links the bag and hanger. The hanger includes an I-shaped cut 568. In one embodiment, Fig. 4, parallel longitudinally extending tear lines 578, 588 and a transverse tear line 580 extending between them define the hanger 584 and two linking webs 586, 590. The covering strip portion 526 not forming the hanger and webs includes a longitudinally extending cut (596, Fig. 5), and an oblique cut 594 extending from the fold line forms a corner portion 598 engagable in the cut (596) when the covering strip portion 526 is folded upwardly about a transverse fold line (592, Fig. 5) which may also comprise a tear line. In another embodiment (Figs. 1-3) one of the longitudinal tear lines is omitted and the transverse tear line (480) extends between the one longitudinal tear line (478) which is located adjacent one longitudinal edge (464), and the opposite longitudinal edge (438) of the strip. Such an arrangement defines a single linking web (486). One of the covering strip portions may also serve as a label.
Patent GB-426975-A (GB)
Title: Improvements in orthoptic instruments
IPC: A61H5/00
Filed: 1933-12-07
Abstract: 426,975. Eye - treating instruments. WOOTTEN, G. B., Frawley Block, Sudbury, Ontario, Canada. Dec. 7, 1933, No. 34400. Convention date, June 26. [Class 81 (ii)] A device for treating eyes comprises objects, the images of which are not capable of fusion, for recording those positions in which two targets are to be placed so that fusible images are obtained, a pair of target carriers which are placed in the device so that the targets assume these recorded positions, and means for reciprocating one target to tend to draw the corresponding eye into the position for normal fusion. An arched member 2 secured to an inclined tube 1<x> has inclined sides 3<x>, 3<o>, provided with slide-ways for receiving targets, and forms a head rest 3 mounting lenses 5<x>, 5<x>. A T-shaped member 7 is adjustably secured on the table by bolts extending through slots 8, 9, 10, and is formed with a slideway for a slide 35 inscribed with arrows 35<x> 35<o>. The slide carries a rack 37 and is moved through suitable gearing by means of a hand wheel 32. A mirror 12 is secured to the head rest 3. A slide 36 having arrows 36<x>, 36<o> is placed in the slideway formed in one of the sides 3<x> and the patient adjusts the slide 35 until the arrow 35<o> is in alignment with the image 36<oo> of the arrow 36<o> produced by the mirror. The slide 36 is then adjusted until 35<x> is in line with the image 36<xx> of arrow 36x. The positions are recorded on the scales 38, 38x. Slides 35, 36 are now replaced by slides 39, 40, Fig. 2, each comprising a spot on a black ground, the intensity of the light being varied by rheostat-controlled lamps 43, 44. These slides are graduated so that they can be positioned accurately. The slide 40 is now reciprocated by a motor 52x mounted on a slide 68, the motor shaft carrying a disc 62 to which a rod 63 pivoted to the slide is connected by a pin 65 entering any one of the holes 62x. The hand control is operated to displace the slide slightly so that the fusional range is developed and the eyes exercised within that range by means of the motdr. Alternatively, a revolving target may be employed comprising a disc carrying a target and rotated by means of a motor through a flexible shaft and suitable gearing. In cases of vertical imbalance, the stationary target may be adjusted in its slide or the movable target moved upwards or downwards on the table 1<x>. For exercising such eyes, the member 7 may be turned about its central securing bolt and the target reciprocated in an inclined direction. In a modification, the mirror 12 is replaced by a central septum and the stationary target carrier is placed on the table 1<x> in alignment with the movable one but on the opposite side of the septum. Prisms are secured beneath the eye lenses and act to produce the fusible images. Stereoscopic pictures and charts can thus be employed without reversal.
Patent GB-619022-A (GB)
Title: Flat-topped desk
IPC: A47B17/03
Filed: 1946-11-20
Abstract: 619,022. Desks. MATHYS, O. Nov. 20, 1946, No. 34400. [Class 52 (iii)] A flat-topped desk has a withdrawable typewriting table 8 incorporated in a base column 3. The table comprises shelved members 9, 10 supported on rollers 12. The space left may be used for the insertion of the legs when the table is in use. A cupboard 13 built in the space left by the members 9, 10 may be withdrawn separately from the base column 3.
Patent GB-634910-A (GB)
Title: New adrenalin derivative
IPC: C07D307/62
Filed: 1947-12-29
Abstract: A derivative of adrenalin is obtained by dissolving two mols of ascorbic acid and one mol. adrenalin base in a solvent containing the hydroxyl group, and precipitating the compound formed by the addition of an inert solvent, e.g. ether or petroleum ether.
Patent GB-154939-A (GB)
Title: Method of and apparatus for separating seeds of weeds from grain
IPC: B02B1/02
Filed: 1920-12-07
Abstract: 154,939. Seck, E. Dec. 31, 1918, [Convention date]. Separating by rotary pitted cylinders and other moving bodies with like surfaces.-In a machine for separating the seeds of weeds from grain, of the kind in which the separation is effected on the pitted surface of a shaking rotary drum or shaking belt, the material is fed to the machine from a hopper 2 with a plurality of delivery tubes 3, and a dam is placed behind the tubes so that the material is carried upwards by the drum or belt, the purified grain finally falling back over the delivery tubes. In the arrangement shown, the tubes 3 open beneath a curved plate 4, the rear portion 5 of which is turned down to form the dam. The round seeds are carried forward in the depressions of the drum 1, while the purified grain falls back over the plate 4. In a modification, the tubes terminate freely against the surface of the drum and a plate is placed behind the tubes to form the dam.
Patent GB-875446-A (GB)
Title: Improvements in or relating to cocks
IPC: F16K1/46
Filed: 1957-11-06
Abstract: 875,446. Valves. PLATEN, VON B. C. Nov. 6, 1957 [Nov. 12, 1956; Oct. 1, 1957], No. 34628/57. Class 135. A valve in which the valve closure member 45 or valve seating member 14 is shaped into a track embracing a protuding packing 11 cooperating with a transverse surface, e.g. 14, on the other member, the edges of the track being formed into lips 46, 47 which sever portions of packing trapped between the lips and surface. The packing has a wide portion which holds it to the member 45 when a sleeve 9 surrounds the member and packing and has its top end peened over the member. As the valve closes, the packing is compressed on the stainless steel seat 14 until the lips also contact the seat. The seat is held in the body over a packing 15 by peening a body lip 18 over the edge of the seating. Should the packing protrude between the lips and surface, the valve is screwed down tightly until the lips cut off any superfluous rubber. In a second embodiment the packing is formed in a sleeve which is screwed into the valve casing to act as the seat, the valve closure member then being encased in a sheet of stainless steel. The packing may lie in a peripheral groove of the sleeve and be held in position by a wide part on the packing when the sleeve is screwed in to the casing. In another embodiment, the packing is held in the closure member by a centre disc having one of the lips at its periphery and a central mushroom spigot which interlocks with the edges of a hole when the disc and member are pressed together. The seat and casing also have flanges which interlock when they are pressed together. In a further embodiment the packing is held to the closure member by a ring carrying one of the lips and engaging a central body spigot, the end of which is peened over. The lips are of such a width and material, e.g. brass, that they wear down as fast as the packing whereby pressure in the packing is kept up to a required amount. In two other embodiments the packing is moulded into a ring forming the two lips and which is secured to the closure member.
Patent GB-952228-A (GB)
Title: Copolymers of triallyl citrates
IPC: C08F22/04
Filed: 1961-09-27
Abstract: Copolymers of triallyl citrate or an acylated triallyl citrate with 40 to 100% of maleic anhydride and 10 to 50% of styrene, said percentages being calculated on the weight of citrate, may be prepared by copolymerizing the monomers at 250 to 400 DEG F. in the presence of a peroxide catalyst.  Specified acylated triallyl citrates are those derived from acetic, propionic, butyric, pelargonic, aluric, benzoic and p-toluic acids, acetyl triallyl citrate being preferred. The citrate may be present as monomer or liquid prepolymer, and the maleic anhydride is preferably dissolved in the citrate or citrate prepolymer before adding the styrene and catalyst. Specified catalysts are benzoyl peroxide, di-t-butyl peroxide, t.butyl perbenzoate and methyl ethyl ketone peroxide. The compositions may include fillers and colouring agents, and may be used for casting and moulding, surface treating plywood and particle board and making laminates, e.g. from glass cloths.
Patent GB-1155873-A (GB)
Title: Dehairing Apparatus
Inventor: SOLEANICOV VLADIMIR
IPC: C14B1/02
Filed: 1966-08-03
Abstract: 1,155,873. Depilating tools. RUMANIAN MINISTER FOR THE FOOD INDUSTRY. Aug. 3, 1966, No. 34855/66. Heading C6C. [Also in Division A2] A tool for plucking hairs from a slaughtered animal or a hide or skin comprises a rotatably mounted and driven, longitudinally fluted, helically ribbed, metal roller 5, which rotatingly engages a roller 4 having a resilient, e.g. smooth, surface, which roller 4 may be made of or covered with rubber, e.g. hard rubber, and may have a larger diameter than the roller 5. When the rollers 5 and 4 are rotating and the tool, held by a lever-arm 11, is applied to a slaughtered animal, hide or skin, hairs are nipped between said rollers and pulled out. Contact-pressure between the rollers maybe adjusted, e.g. to compensate for wear, by turning the lever-arm 11, which is secured to a shaft carrying an eccentric. The roller 5 may be driven by an electric motor through a flexible cable 9, planetary reduction gear 8 and a splined shaft 10.
Patent GB-367850-A (GB)
Title: Improvements relating to emergency electric lighting systems
IPC: H02J9/02
Filed: 1930-11-20
Abstract: 367,850. Electromagnetic switches. CHLORIDE ELECTRICAL STORAGE CO., Ltd. and SANDERSON, E. R., Clifton Junction, near Manchester. Nov. 20, 1930, No. 34927. [Class 38 (v).] In an emergency lighting system a mercury switch e is mounted on the horizontal part f of a T-shaped armature made of non- retentive iron to prevent hum or rattle and with a relatively high moment of inertia. Current in the relay h causes attraction of the armature g against the action of the balancing weights on the screw i and movement of the mercury in the tube e breaks connection in the emergency circuit. Upon failure of current in the relay the armature returns, its movement being limited by the adjusting screw k and then the mercury re-establishes connection across the two contacts thereby switching in emergency lamps.
Patent GB-1405180-A (GB)
Title: Time-of-flight mass spectrometer
IPC: H01J49/40
Filed: 1972-07-26
Abstract: 1405180 Mass spectrometers MAX-PLANCKGES ZUR FORDERUNG DER WISSENSCHAFTEN CV 26 July 1972 [27 July 1971] 34932/72 Heading H1D In a time-of-flight mass spectrometer having a flight path between an entrance plane 16 and an exit plane 18 comprising a straight part and a curved part produced by either magnetic or (as shown) electric deflection, which parts are so dimensioned that the travel time dispersions of ions in the two parts cancel out, the flight path is also symmetrical about a centre point 20, and parameters of the deflecting field are so selected that a stigmatic image is produced at the exit plane 18. In the spectrometer shown the centre point 20 lies on an intermediate image plane 21. Ions from a pulsed source 10 pass to a detector 14 through a sector condenser 12, the radius ro and sect or angle # of which are selected to produce the stigmatic image. In alternative embodiments (Figs. 2, 3, not shown) utilizing magnetic deflection, the intermediate image plane occurs in the straight portions of the flight path.
Patent GB-766293-A (GB)
Title: Manufacture of mono-carboxylic acid esters of cellulose
IPC: C08B3/06
Filed: 1954-12-02
Abstract: Cellulose esters of mono-carboxylic acids are made by a process of the suspension type wherein cellulose is activated by a pretreatment with 20-50 per cent of a lower aliphatic acid and the pretreated cellulose, while it still contains acid used for the pretreatment, is esterified with an esterification mixture comprising (1) a total of 3.7-5.1 molecular proportions of one or more carboxylic acid anhydrides for each molecular proportion of the cellulose (reckoned as one anhydro-glucose unit) and in addition a monocarboxylic acid anhydride or anhydrides in amount equivalent to such water as may be contained in the pretreated cellulose; (2) 0-150 per cent of a lower aliphatic acid; (3) sufficient of a diluent which is a non-solvent for the cellulose ester to prevent the latter from dissolving in the esterification mixture; and (4) perchloric acid (preferably 0.5-2 per cent) as catalyst.  The term "lower aliphatic acid" is used to denote mono-carboxylic acids containing 1-4 carbon atoms in the molecule, and the percentages are based on the weight of cellulose reckoned as anhydrous.  The cellulose and/or pretreating acid preferably contain 5-7 per cent of water.  The proportion of diluent employed in the case of cellulose acetate is preferably about 600-1200 per cent, and the diluent is preferably a hydrocarbon or mixture of hydrocarbons e.g. benzene, toluene, xylene, hexane, cyclohexane, a mixture of aliphatic hydrocarbons having a boiling range of 305-410 DEG  F., or a mixture of aromatic hydrocarbons having a boiling range of 365-415 DEG  F.  The diluent may be carbon tetrachloride, normal or isopropyl acetate or butyl acetate.  In an example, wood pulp containing 7 per cent of water is stirred for 1 hour with 35 per cent of glacial acetic acid and is then mixed at 30 DEG  C. for about 1.5 hours with an acetylation mixture containing 320 per cent of acetic anhydride, 600 per cent of cyclohexane and 1 per cent of perchloric acid to produce a cellulose acetate of acetyl value 62.3 per cent (as acetic acid).
Patent GB-928393-A (GB)
Title: Improved transporter vehicle
IPC: B66F9/075
Filed: 1959-10-15
Abstract: 928,393. Side lift trucks. R. HAUSER, F. BENGEL, A. SAUTER, and U. SAUTER, [trading as A. I. NACHFOLGER [Firm of]]. Oct. 15, 1959 [April 4, 1959; May 19, 1959], No. 34941/59. Class 78 (3). [Also in Group XXXII] A side lift truck has its centre of gravity S offset from the longitudinal axis 11 of the truck when the truck is not loaded. To achieve uniform pressure on the wheels and to prevent lateral canting, the front axle 4 is suspended by a leaf spring 16d so that the point of transference of load between the truck frame 1 and the axle 4 is automatically displaceable with variation in load. When the truck is loaded, a pin 18 comes into contact with the leaf spring 16d and urges it down. The end of the leaf spring in contact with the frame moves down in an elongated hole 17 and the point of transference of load changes from the end of the leaf spring to the point at which the pin contacts the spring. At intermediate loads the pin 18 will just touch the spring and the point of transference of load will lie between the pin 18 and the end of the leaf spring at 17.
Patent GB-1031289-A (GB)
Title: Improvements in or relating to vinyl chloride polymer composition and articles obtained therefrom
IPC: C08K5/00
Filed: 1963-09-04
Abstract: Compositions comprise 50 to 80 parts by weight of a vinyl chloride polymer, 50 to 20 parts by weight of a methyl methacrylate homopolymer or copolymer with up to 25 weight per cent of a C1- 4 alkyl acrylate, 0.5 to 30 weight per cent of the composition of achlorinated or chlorosulphonated polyethylene, containing respectively, 20 to 60 weight per cent chlorine, or 20 to 60 weight per cent of chlorine and sulphur in a weight ratio between 10 and 40, a dehydrochlorination inhibitor and a bivalent sulphur compound. Specified inhibitors are dialkyl tin mercaptides, acetates, laurates, maleates and alkoxides; fatty acid salts of zinc, lead, cadmium, calcium and strontium; barium phenolates; dialkyl zinc mercaptides; epoxidized oils; diglycidyl ethers of polyhydric phenols; 3,4 - epoxy - 6 - methylcyclohexylmethyl, 3,4 - epoxy - 6 - methylcyclohexyl carbonate and organic phosphites.  Specified sulphur compounds are compounds of formula R1-S-R2, where R1 is a C1- 20 organic radical and R2 is hydrogen or a C1- 20 organic radical. The compositions may also comprise ultraviolet light absorbers, e.g. hydroxybenzophenone and benzotriazole, and may be injection moulded.  Examples describe moulding compositions comprising methyl methacrylate/ethyl acrylate copolymers, dibutyl tin mercaptide, epoxidized oil and 2-(21-hydroxy-5-methylphenyl)benzotriazole together with (I and VII) polyvinyl chloride and chlorinated polyethylene, (II) polyvinyl chloride and chlorosulphonated polyethylene, (III) polyvinyl chloride and a chlorinated ethylene/methacrylic acid copolymer, and (VIII) a vinyl chloride/vinyl acetate copolymer and chlorinated polyethylene; which may be moulded into articles such as tumblers, bottles and combs.
Patent GB-1537557-A (GB)
Title: Telegraph transmission
IPC: H04L25/02
Filed: 1977-11-23
Abstract: 1537557 Telegraphy NOLTON COMMUNICATIONS Ltd 23 Nov 1977 [23 Aug 1976] 35069/76 Heading H4P A telegraph (telex) transmitter incorporates a known optical coupler 12 (LED-phototransistor) to isolate telegraph apparatus (not shown) operating at voltage levels 0, 12 V. from the line levels Œ 85 V. Bootstrap integrator 14, R5-R7, Cl, C2, acts as a second order Butterworth filter to control pulse flank slope to give trapezoidal pulses. An amplifier comprising a push-pull phase splitter and driver stage follows the filter. A buffer amplifier (not shown) may be interposed between the coupler, and filter. The input signal is of bipolar rectangular form. The arrangement shown is intended to replace a relay/filter isolator circuit, and may be encapsulated. The amplifier may incorporate negative feedback (not shown).
Patent GB-1365896-A (GB)
Title: Production of nuclear fuel particles
IPC: G21C3/62
Filed: 1971-07-27
Abstract: 1365896 Oxidic or carbidic particles of U and/or Th NUKEM NUKLEAR-CHEMIE UND-METALLURGIE GmbH 27 July 1971 [28 July 1970] 35113/71 Heading C1A [Also in Division G6] Spherical, oxidic or carbidic fuel particles of U and/or Th are preapred by adding dropwise or spraying the corresponding heavy metal salt solutions containing polyvinyl alcohol and also carbon, where carbidic particles are to be produced, into an alkaline precipitation bath, solidification and/or hardening of the particles thus formed being accompanied and/or completed by addition of alcohol (e.g. iso- or npropanol) to precipitate the polyvinyl alcohol, the particles then being dried, calcined and sintered or fused. In Example 1 a solution containing U and Th nitrates and polyvinyl alcohol was formed into droplets, passed through a NH3 atmosphere, hardened in aq. NH3, treated with isopropanol, predried and sintered at 1,600 C. in H2. In Example 2 the nitrate solution also contained paraffin oil. In Example 3 the nitrate solution also contained carbon black. After drying the particles were coated with graphite powder, heated in a vacuum furnace and fused. Particle sizes and densities are also given in the examples.
Patent GB-367801-A (GB)
Title: Improvements in or relating to optical systems for use with kinematographic colour films
IPC: G02B27/14
Filed: 1930-11-21
Abstract: 367,801. Colour kinematography ; optical systems. PILNY, A., 3, Dahliastrasse, Zurich, Switzerland. Nov. 21, 1930, No. 35133. Convention date, Nov. 23, 1929. [Class 97 (i).] Groups of colour-record images are projected into superposition on the screen by means of a reflector system comprising relatively inclined reflectors, equal in number to the colour records, and placed directly in front of an undivided projection lens in such position that the size of the relatively inclined reflectors is a minimum. As shown, colour records 2, 3, side uppermost on a film 1, are projected by means of a lens 4, relatively inclined reflectors 5, 6, and reflectors 7, 8, to produce one multicolour image 9 correctly placed on the screen. The relative inclination of the reflectors 5, 6 is adjustable. the reflectors 7, 8 may be prism surfaces, and the reflector system may be mounted in a casing slidable on a housing encasing the lens.