baber/WOPTO huggingface dataset:
Patent GB-193038-A (GB)
Title: Improvements in or relating to dark slides for photographic apparatus
IPC: G03B17/26
Filed: 1923-02-05
Abstract: 193,038. Soc. Baille-Lemaire et Fils. Feb. 10, 1922, [Convention date]. Dark slides.-In a darkslide of the kind comprising a sheath, Fig. 10, for the plate which is inserted in an outer case 2, Fig. 2, the back of the sheath is slotted to allow springs 4 on the back of the case to push the plate forward into the focal plane. The plate is inserted in the sheath through the end 8. The upper portion 10 of the sheath is padded to prevent entrance of light and the upper end of the sheath 7 is formed to close completely the mouth of the case. The slide 1 slides in grooves formed in the front of the case 2. The! lower part of the sheath 8 and the upper portion of the sides of the case 2 are inclined to facilitate insertion of the sheath.
Patent GB-692958-A (GB)
Title: Improvements in or relating to drying oil compositions and process of preparation thereof
Inventor: HILLYER JOHN CARPENTER
IPC: C09F5/00
Filed: 1951-02-14
Abstract: A drying oil composition is prepared by polymerizing a conjugated diolefin to a viscosity of 20 to 150 poises at 77 DEG  F., incorporating the polymer in an unsaturated glyceride oil in an amount of 2 to 20 per cent by weight of the total, and heating the mixture at a temperature of 55 DEG  to 600 DEG  F. for 2 to 6 hours. The diolefin, e.g. butadiene, isoprene, dimethyl butadiene and piperylene, may be copolymerized with vinyl compounds, e.g. vinyl pyridines, acrylonitrile, methacrylonitrile, styrene, a -methyl styrene and chlorostyrene.  The polymers must be oil-soluble liquids and may be produced by one of the following methods: contacting the monomer alone, or in a hydrocarbon solvent, such as n-hexane, benzene, toluene and xylene, with a finely-divided alkali metal catalyst at 140-230 DEG  F., a chain-breaker such as 1,2-butadiene may be added; heating the diene in a paraffinic solvent at temperatures below that at which condensation occurs; polymerizing in aqueous emulsion with a comparatively large quantity of mercaptan modifier; and polymerizing in the presence of BF3 and water. Impurities may be removed by extraction in hexane or by refining the mixture of drying oil and polymer by treatment with aqueous alkali. Specified glyceride oils are linseed, soyabean, corn, cottonseed and fish oils.
Patent GB-1035991-A (GB)
Title: Machine for the continuous wet treatment of textile materials
Inventor: NAROSCHNY RUDOLPH
IPC: D06B21/00
Filed: 1963-01-29
Abstract: Apparatus for wet treating textile material and in particular for sizing a warp of yarns F (Fig. 1 not shown) comprises selectively usable wet treating devices and drier elements.  In Fig. 1 the warp F is sized in a tank 2, dried on drier cylinders 3a, 3b, sized again in a tank 4 and finally dried on cylinders 5a, 5b, 5c.  In Fig. 2 (not shown), two warp F1, F2, of different colour pass through the apparatus, warp F1 being sized in tank 2 and dried on cylinders 3a, 3b while warp F2 is sized in tank 4 and dried on cylinders 5a, 5b, 5c.  A variety of ways in which a warp or warps may be guided through the apparatus is described.
Patent GB-215435-A (GB)
Title: Improvements in fibre plugs for receiving screw, nail and like fastenings
IPC: F16B13/14
Filed: 1923-02-07
Abstract: 215,435. Rawlings, J. J., and Rawlplug Co., Ltd. Feb. 7, 1923. Screw-sockets.-Wall-plugs made from fibres united by glue are treated with formaldehyde gas to prevent softening, mildew &c. when the plugs are subjected to the action of moisture. The plugs may be placed in a closely rotating wire drum in an oven, and the gas may be generated by heating a 40 per cent solution of formaldehyde to a temperature not exceeding 100‹ F., or by heating para-formaldehyde.
Patent GB-1458404-A (GB)
Title: Synthesis of aminodiaryl sulphides
IPC: C07D253/06
Filed: 1974-01-25
Abstract: 1458404 Amino-diaryl sulphides PFIZER Inc 25 Jan 1974 [20 March 1973] 03691/74 Heading C2C Compounds of the formula wherein R 1  is H or CH 3  and R 2  is Cl or CH 3 ; are obtained by contacting p-chlorophenyl sulphenyl chloride with a compound of the formula wherein Pro is acetyl, benzoyl or p-tosyl in the presence of an inert reaction solvent at a temperature of 25‹ to 110‹ C., and thereafter removing the group Pro by hydrolysis. The reaction may be carried out in the presence or absence of a Friedel-Crafts catalyst. The hydrolysis may be acid or base catalysed. Examples are given which illustrate the process.
Patent GB-265978-A (GB)
Title: A device for sorting fruits or vegetables
IPC: B07B13/07
Filed: 1927-02-10
Abstract: 265,978. Notenboom, W. A., Notenboom, A. W., Notenboom, C. P., and Notenboom, K. P., (Assignees of Notenboom, P.). Feb. 10, 1926, [Convention date]. Sorting by passing over or through graded apertures.-In apparatus for sorting fruit &c. of the kind comprising a table in which is a series of holes of increasing size interconnected by a longitudinal slot through which works a lath or other device for lifting and conveying the fruit &c. from one hole to the next, the mechanism for operating the conveying device is adapted to impart to it vertical up-and-down movements with an interposed horizontal linear movement. In one construction shown in Fig. 4, the laths 1 correspond to rows of holes 3, 4 in the sorting table 2 are connected by a rod 13 working in slots 14 under the action of springs 15 to a cross-head provided with a cam-slot having a straight part 7 and a radiused part 8 of the same curvature as the circle described by the crank pin 9 which works in the slot. The cross-head is guided vertically by a shank 5 working through a guide 6 and is controlled by a spring 17. During the delayed movement of the cross-head while the crank pin 9 is working in the curved slot 8, the pin engages an open slot 21 attached to each lath to produce the linear horizontal movement above the table 2. The movements of one end of the laths are reproduced at the other end by a link mechanism comprising bell-crank levers and connecting rods. In an alternative construction the tables may be stationary and the requisite movements imparted to the table. In a further modification the laths may be provided with pressure members for each opening. Fig. 8 shows another mechanism in which the ends of the laths 1 are guided by a rectangular groove 49 and are moved by the link 47 carried by a chain 45 running over four sprocket wheels 46 and driven by a sprocket wheel 44.
Patent GB-633259-A (GB)
Title: Improvements relating to corn-binding machines
IPC: A01D59/00
Filed: 1948-02-09
Abstract: 633,259. Binding corn. HALDANE, J. C. Feb. 9, 1948, No. 3800. [Class 6(iii)] A butting-mechanism for a corn-binder comprises a stepped-conical part 3 which causes the central straws of a sheaf to move axially, during binding, so forming a sheaf with a concave base. The conical part 3 is surrounded by a flange 5 which prevents splay of the outer straws during the formation of the sheaf. The flange is extended forwardly to form two guiding fingers 6 and 7. The fingers, flange and cone may be formed integrally as a unit attachable to an existing buttor-board 1, the usual ribs 2 being cut away to accommodate it. The board is reciprocated both longitudinally and transversely of the sheaf. In a modification, Fig. 6, the coned portion 11 lies flush with the board 1 during formation of the sheaf and is only projected momentarily, during tying, by a pivoted lever 14 connected by a cord 22 to a trip mechanism (not shown). The board 1 is continuously oscillated, and, therefore, to obviate the inadvertent protrusion of the cone 11, the lever 14 is spring-loaded at 19 and the cord includes a resilient lostmotion device 29, the spring 19 being stronger than the spring 34 in the device 29 so that the cone 11 is only protruded when the lost-motion device has reached the limit of its extension.
Patent GB-1454354-A (GB)
Title: Circuit breaker with flux transfer magnetic actuator
IPC: H01F7/16
Filed: 1974-01-28
Abstract: 1454354 Circuit breaker trip actuator WESTINGHOUSE ELECTRIC CORP 28 Jan 1974 [30 Jan 1973] 03813/74 Heading H1N A magnetic actuator, for tripping a circuit breaker, comprises a V-shaped magnetic frame 133 within which a magnetic tubular armature 101, is supported on a non-magnetic pin 145 so that it can slide axially. The frame also supports a coil 157 and permanent magnets 171 and 173 and a plate 137 joins the free ends of the limbs 135. The armature is shaped to form a collar 163 and then narrows to project through an opening 169 in the plate 137 and has a projection 103 for striking the circuit breaker latching device. In the inoperative condition the armature is held back abutting a pole piece 149 against the force of a spring 165, by means of the flux from permanent magnets 171 and 173 passing through the pole piece 149. When the coil 157 is energised, it increases the reluctance of the path through the pole piece 149 thus enabling the spring to overcome the magnetic holding force and move the armature axially so that the projection 103 strikes a latch tripping device, such as that forming the subject of copending application 3819/74. At the same time the flux transfers to a path via the plate 137 so that it is assisting the spring bias. The armature is subsequently restored to its initial position by manual operation of the circuit-breaker handle which moves the latch tripping device to push against the projection 103. The incorporation of the actuator in a known type of circuit breaker, having an insulating housing internally divided into three adjacent pole units and linked to operate together by means of a single overcentre toggle operating mechanism is described (Fig. 1, not shown).
Patent GB-1507282-A (GB)
Title: Method for making an embankment and the embankment made thereby
IPC: E02D3/08
Filed: 1976-01-30
Abstract: 1507282 Stabilising earth embankments AKZO NV 30 Jan 1976 [8 Feb 1975] 03817/76 Heading E1F A method of making an embankment comprises permanently anchoring non-rigid piles in the soil on which the embankment is raised, the piles being formed integrally with cross members extending crosswise through at least a part of the embankment. Preferably the piles extend into the soil at an angle between the vertical and 45‹ thereto, are formed from threads and/or fibres of a synthetic thermoplastics material, eg., polyester, polyamide, aramide or polypropylene material. The threads and/or fibres may be formed into strips of woven or non-woven fabric, the strips consisting of a laminate consisting of woven and non woven fabric of the materials specified. The cross members and the piles may be so formed as to transport water in their longitudinal direction.
Patent GB-418951-A (GB)
Title: Improvements relating to tubulous steam generators
IPC: F22B37/54
Filed: 1934-02-06
Abstract: 418,951. Water-tube steam boilers. SIEMENS - SCHUCKERTWERKE AKT.- GES., Siemensstadt, Berlin. Feb. 6, 1934, No. 3881. Convention date, Feb. 6, 1933. [Class 123 (ii).] A 'once-through' tubulous steam boiler is de-sludged during working by introducing flushing medium, additional to the working medium normally present, into the tube line or coil to be cleaned at a point not nearer the inlet than that at which evaporation commences and withdrawing it at a position further along the tube. Flushing medium is introduced into the two parallel coils 1, 2 of a generator at points 5, 6, and is withdrawn at points 7, 8. Non-return valves 9, 10, or the like in advance of the point of withdrawal prevent a backflow of working medium during de-sludging. In one arrangement the supply to one coil group is taken direct from the feed pump and to another from another pump. A mechanical sludge separator 50, Fig. 4, may be inserted in the coil portion through which flushing medium is passed. In modifications separate separators with separate or common outlets are provided for different coils. The de-sludging portion of the coils is preferably arranged at a position of relatively small heat intensity, e.g. in a flue communicating with the furnace chamber.
Patent GB-346504-A (GB)
Title: Device for braking strips passing between the rolls of cold rolling machines
IPC: B21B39/16
Filed: 1930-02-05
Abstract: 346,504. Cold rolling. BAUER, V., 74B, Theresienstrasse, Lindenthal, Cologne, Germany. Feb. 5, 1930, No. 3913. [Class 83 (iv).] In cold rolling a strip 7, between rolls 3, 4 provided with a table 2 and lateral guides 16, an abutment bar 8 for a brake block 14 is located between the guides 16 and the rolls. The brake block is provided with a handle 15. The bar 8 is secured to the inner face of the housings and is prevented from vertical movement by interengaging horizontal grooved strips.
Patent GB-433024-A (GB)
Title: Improvements in or relating to the supply of scavenging air to radial-cylinder engines working with fuel injection and the arrangement of fuel pumps thereon
IPC: F02M39/00
Filed: 1935-02-07
Abstract: 433,024. Two-stroke radial-cylinder engines. HUMBOLDT & DEUTZMOTOREN AKT.-GES., Deutz, Cologne, Germany. Feb. 7, 1935, Nos. 3985 and 3986. Convention dates, Feb. 7, 1934 and Feb. 12, 1934. [Classes 7 (ii) and 7 (iii)] [See also Group XXVIII] The crank case of a radial-cylinder engine has a flange h, projecting from its edge, which with a detachable cover forms a scavenging air chamber, the air passing through ports w in the flange h to the cylinders mounted on flat faces thereof. The joints l, m of the outer cover are in the same plane. The scavenging-air blower g and its delivery passage are fixed to the cylindrical edge x of the cover j in which substantially radiallyarranged driving plungers p of the fuel pumps n are mounted ; movement of a ring t mounted on rollers s rotates the plungers and regulates the pumps simultaneously. A centrifugal blower g forces cooling air through detachable casings z on to the cylinder.
Patent GB-1460080-A (GB)
Title: Dental device
IPC: A61C15/04
Filed: 1974-01-29
Abstract: 1460080 Dental device R N ELY 29 Jan 1974 [30 Jan 1973] 03987/74 Heading A5R A dental device 20 for cleaning the interproximal spaces between teeth and the fissure between gums and teeth comprises spaced arms 32 extending from a handle 22 and having slots 46 with notches 50, 52 therein, an elastomeric strip (54) with a stretchable ribbed intermediate portion 66 being releasably retained in the notches by means of enlarged triangular heads 72. As shown, (Fig. 3), notches 50, 52 have different lengths and thereby produce, in three different combinations, different tensions in the strip, the latter being mounted with its width w perpendicular to the length of the handle 22, and having a thickness between 0.0002 and 0.0008 inch when stretched and a width of <SP>1</SP>/ 64  of an inch. The strip may be cut from a broad strip of an elastomeric material.
Patent GB-695399-A (GB)
Title: Improved method for the production of a softening agent
IPC: C08K5/01
Filed: 1951-02-19
Abstract: As softening agents for polyvinyl chloride and cellulose ethers, alone or in conjunction with known softening agents, are employed products obtained by condensing benzene or its homologues with sulphur in the presence of aluminium chloride or other condensing agent of the Friedel-Crafts type, removing excess of the hydrocarbon, separating the pitch-like residue by distillation, and separating the distillate (boiling-point about 180-240 DEG  C. at 12 mm. pressure) into at least two fractions, e.g. by fractional distillation or fractional crystallization. Preferably fractional distillation is effected under 12 mm. pressure, the yellow fraction distilling at about 190-233 DEG  C. being rejected whilst the remaining fractions are used as softening agents, separately or as mixtures of the whole or parts thereof, the high-boiling fraction advantageously after separation of the portions which tend to crystallize therefrom.  In examples, toluene is employed as starting material in the preferred procedure and the fractions are employed as follows: (1) the thin fraction distilling at about 180-190 DEG  C. is added to polyvinyl chloride, which is then formed into a sheet; (2) the viscid fraction distilling at about 233-240 DEG  C. is similarly employed; (3) part of the viscid fraction in (2) is replaced by dibutyl and dioctyl phthalates; (4) the two fractions are mixed and used in conjunction with dibutyl phthalate; (5) the viscid fraction is used in conjunction with tricresyl phosphate; (6) a mixture of the two fractions is added to a solution of benzyl cellulose and, after the addition of pigments (e.g. titanium dioxide), a film is formed.ALSO:Substances useful as softening agents are manufactured by condensing benzene or its homologues with sulphur in the presence of aluminium chloride or other condensing agent of the Friedel-Crafts type, removing excess of the hydrocarbon, separating the pitch-like residue by distillation, and separating the distillate (boiling-point about 180-240 DEG  C. at 12 mm. pressure) into at least two fractions, e.g. by fractional crystallization or preferably by fractional distillation. Advantageously fractional distillation is effected under 12 mm. pressure, the yellow fraction distilling at about 190-233 DEG  C. being rejected whilst the thin fraction distilling at about 180-190 DEG  C. and the viscid fraction distilling at about 233-240 DEG  C. are used as softening agents, separately or as mixtures of the whole or parts thereof, the last-mentioned fraction preferably after separation of the portions which tend to crystallize therefrom.  In examples the starting material is toluene.
Patent GB-510951-A (GB)
Title: Improvements in impulse senders of the type used in telephone systems
IPC: H04M1/34
Filed: 1938-02-09
Abstract: 510,951. Impulse transmitters. HINCHCLIFFE, J. D. Feb. 9, 1938, No. 4027. [Class 40 (iv)] In an arrangement whereby the first impulse is of longer duration'than the succeeding impulses of a train, the impulse springs are under the joint control of a pair of similar toothed cams, the auxiliary cam 6 being coupled with the main cam 5 by a, pin 11 and slot 12 and being in frictional engagement with the usual masking cam 8. The teeth of the cams are normally out of alignment, and during the setting movement the cam 6 follows the 'masking cam 8 (which is frictionally driven by the shaft 3) until the latter is arrested by the finger 18 striking the stop 14. The pin 11 then moves to the other end of the slot 12, and the cam 6 is positively driven by the cam 5 in alignment therewith. During the return movement in the clockwise direction, at the time when the first impulse begins, the masking cam 8 is arrested by the projection 19 striking the stop 14, so that the pin 11 returns to the other end of the slot 12 and the cam 6 is again driven by the cam 5, but out of alignment therewith. Thus, the first impulse is determined by the distance between consecutive teeth of the main cam 5 and the succeeding impulses by the distance between a tooth of the auxiliary cam 6, riding behind a tooth of the main cam, and the following tooth of the main cam. Specification 289,244, [Class 40 (iv)], is referred to.
Patent GB-1386620-A (GB)
Title: Lubricating composition
IPC: C08F8/32
Filed: 1973-01-26
Abstract: 1386620 Polyamines BRITISH PETROLEUM CO Ltd 17 May 1973 [1 June 1972 26 Jan 1973] 25600/72 and 4042/73 Heading C2C [Also in Divisions C3 and C5] Branched chain alkyl or alkenyl polyamines in which the alkyl or alkenyl group has a number average mol. wt. of 350-500, and which have a total base number of at least 200 are made by alkylation of aliphatic polyamines.
Patent GB-818882-A (GB)
Title: Improvements in or relating to electronic control apparatus
Inventor: HIGHAM EDWARD HALL
IPC: G05F1/42
Filed: 1954-11-10
Abstract: 818,882. Discharge tube relay circuits. UNILEVER Ltd. Feb. 9, 1956 [Nov. 10, 1954], No. 4077/56. Divided out of 818,881, [Group XXXVIII]. Class 40 (6). [Also in Group XXXVIII] A control apparatus comprises a thyratron valve 22 arranged to have its firing current supplied from a suitable A.C. supply, a valve 24 arranged to be responsive to the firing of the thyratron, and a signal generator for generating an oscillating reference signal which is effective between the cathode and control grid of the thyratron the period of oscillation of the signal generator being large in relation to that of the A.C. supply, the arrangement being such that in use when a D.C. control signal is applied to be effective between the cathode and the control grid, the time of firing of the thyratron during such cycle of the oscillating reference signal is dependent upon the magnitude of the D.C. control signal during that cycle. The cathode of the thyratron is connected to the cathode of a cathode follower 21 and hence to earth through the cathode resistance of the cathode follower and the cathode follower is fed with a sawtooth potential from the signal generator which is of the transition type comprising valves 19 and 20. The control D.C. signal is for example, by a temperature change detector of the type described in Specification 818,881. The sawtooth voltage is arranged to have a period of oscillation of approximately 3 seconds. The thyratron is biased so that when the D.C. signal is zero the sawtooth voltage does not cause it to fire but so that it will fire at some point in the sawtooth cycle when the D.C. signal is present and the potential difference between the grid and cathode is less than a critical value and provided that the anode is positive. It will be extinguished when the anode voltage goes negative but will fire again on every positive half-cycle of the anode supply voltage until the potential difference between the grid and cathode is brought above the critical value by the sawtooth voltage from the signal generator. Once the thyratron has fired in any period of oscillation of the signal generator the relay in its anode circuit will remain operated since the solenoid is shunted by a condenser which will hold it operated during the negative half-cycles of the anode voltage. Since the time at which the thyratron will fire during the period of oscillation of the sawtooth voltage is determined both by the amplitude of the sawtooth voltage and by the amplitude of the varying D.C. signal the period during which the relay remains operated will depend upon the amplitude of the varying D.C. signal at the instant the thyratron fires for the first time in any period of sawtooth oscillation.
Patent GB-1495423-A (GB)
Title: Arrangement for crimping metal closure caps
IPC: B67B5/03
Filed: 1975-01-30
Abstract: 1495423 Crimping and spinning heads CEBAL 30 Jan 1975 [30 Jan 1974] 4080/75 Heading B8T A crimping head for bottle closure caps has two sets of (e.g. 3 or more) idler pressure rollers, one set 7 of which are kept apart from the cap until the cap 27 has been crimped around the projecting neck ring part 29 of the bottle neck 28. Besides the two sets of rollers 5, 7 carried by pivoted rods 4 and 6 respectively, the crimping head comprises a rotating body 1 carried on a fixed shaft 2 and a movable shaft 17 comprised of different diameter sections 18 and 19 connected by taper 20 and rotated with body 1 by means of a key 21. One set of rods 6 is initially held against the action of elastic bands 16, by abutment of rollers 30 against the enlarged section 18 of shaft 17, the rods 4, 6, being respectively convex and concave outwardly to allow bands 16 to pass within rods 4.