baber/WOPTO huggingface dataset:
Patent GB-1169993-A (GB)
Title: Novel Rubbery Polyoxyalkylene Copolymers
IPC: C08G65/22
Filed: 1967-02-15
Abstract: 1,169,993. Rubbery polyoxyalkylene copolymers. GENERAL TIRE & RUBBER CO. 15 Feb., 1967 [16 Feb., 1966], No. 7257/67. Heading C3R. Novel polyoxyalkylene copolymers comprise the units wherein x and y are integers having values of at least one and z is zero or an integer; R is a hydrogen, hydrocarbon, hydrocarbonoxy or hydrocarbonoxyalkyl radical free of ethylenic or acetylenic unsaturation and containing from 1-12 carbon atoms; R<SP>1</SP> is a radical containing from 4-12 carbon atoms of the formulµ or wherein W is methyl or phenyl, a is 0 or 1, b and c are integers having values of at least 1 and X, Y and Z are alkylene or cycloalkylene groups; R<SP>11</SP> is an R group, a hydrocarbon group of the formula CH 2 =CH-(X) c -, a hydrocarbonoxy group of the formula or a hydrocarbonoxyalkyl or cycloalkyl group of the formula CH 2 =CH-(X) c -O-(Y) b -; and B is hydrogen or part of a 6-membered ring with a carbon of Y. Typical hydrocarbon groups representative of R are alkyl, aryl and alkaryl. Typical unsaturated hydrocarbon radicals representative of R<SP>1</SP> are 2-pentenyl, 4-(1<SP>1</SP>-propenyl) cyclohexyl, crotyl, 3-hexenyl, 3-pentenyl, 4-phenyl-2-butenyl and 2,3-dimethyl-2-butenyl; the hydrocarbonoxy radicals are those derived from the aforementioned. Terminally unsaturated hydrocarbons represented by R<SP>11</SP> include vinyl, allyl, 3-butenyl and 4-pentenyl and hydrocarbonoxy radicals derived from the aforementioned. Illustrative of the copolymeric polyoxyalkylene ethers are the copolymers of propylene oxide and crotyl glycidyl ether and the copolymers of 1-glycidoxy - 4 - methyl pentene - 3 and propylene oxide. Illustrative of the copolymeric polyoxyalkylene ethers containing, in addition, terminally unsaturated epoxides include copolymers of crotyl glycidyl ether, allyl glycidyl ether and propylene oxide and copolymers of butadiene monoxide, crotyl glycidyl ether and propylene oxide. The solid copolymeric polyoxyalkylene compositions have intrinsic viscosities of 0À5 to 10 decilitres/gm. in isopropanol or benzene at 25‹ C. Polymerization is through the epoxy groups and generally requires the use of an organo-metallic catalyst system such as zinc dialkyl and water. Suitable solvent solubilize the polymer but not, necessarily, the monomers or catalyst. The polymers can be cured with the usual rubber compounding ingredients and may include fillers such as carbon black, silica, alumina, calcium carbonate and diatomaceous earth and anti-oxidants such as nickel dibutyldithiocarbamate, phenyl alpha naphthylamine, phenyl beta naphthylamine and 2,6-ditertiary butyl para cresol.
Patent GB-1178021-A (GB)
Title: Sheet Guiding and Tensioning Apparatus
Inventor: ROMANAUSKAS WILLIAM ANDREW
IPC: B65H23/02
Filed: 1967-02-16
Abstract: 1,178,021. Feeding webs. CHASE BRASS & COPPER CO. Inc. 16 Feb., 1967 [18 Feb., 1966], No. 7436/67. Heading B8R. A looping roller 21, which controls the tension of a running web by varying the drive of a pair of nip rollers (11, Fig. 1) dependent upon the position of the looping roller detected by a potentiometer (14, Fig. 3), is also capable of being tilted to transversely register the web. Transverse register of the web may be detected by a photo-electric device or, as in the particular embodiment, by a pneumatic system (Fig. 9) which utilizes fluid flow through orifices controlled by the web. The looping roller 21 is mounted on a movable unit which includes a platform 33 capable of being moved on vertical guide rods 43 by a plurality of endless chains and a fluid cylinder 75 (Fig. 5), a counterbalance 67 being provided which is capable of receiving additional weights (85, Fig. 3). The counterweight 67 is moved downwards to raise the roller 21 by a chain (71, Fig. 5) having a stop (73) which positively engages the counterweight when the fluid cylinder 75 moves the chain (71) and therefore the stop (73) downwards. Movement in the opposite direction allows the counterbalance and roller 21 to float and control web tension. The roller 21 is mounted between two bearings 39, one bearing attached to a rod (53, Fig. 4) fixed to the platform 33, the other bearing attached to a rod 55 which forms part of a screw-jack (100) driven by a fluid control unit 57, governed by a controller 88. For threading the web, the roller 21 is raised to the position shown in Fig. 2, where two pivoted flaps 47 engage stops 51 to provide a threading table. After threading, the roller 21 is lowered to the working position shown in broken lines, where the flaps 47 pivot upwardly. Guide rollers 17 and 19 are mounted between bearings (Figs. 14 to 16) which allow for axial movement against a spring bias.
Patent GB-1067262-A (GB)
Title: Improvements in or relating to extruders for thermoplastic organic plastic materials
IPC: B29C48/47
Filed: 1964-02-21
Abstract: 1,067,262. Centripetal/screw extrusion machines. PECO MACHINERY Ltd., and E. GASPAR. Feb. 19, 1965 [Feb. 21, 1964], No. 7437/64. Heading B5A. An extrusion moulding machine comprises a rotary member 11 to which is detachably connected a screw impeller 12, the member 11 being provided with a flange 11b, electrical heating elements 16 and a disc 15, the latter being separated from casing 20 such that granulated thermoplastics material fed from hopper 28 is plasticized and mixed by heat and shearing effects and is centripetally fed via space 18 to the screw 12. The detachable connection between rotary member 11 and screw 12 may be provided (a) by a spigot, splined or otherwise, on the former co-operating with a bore in the latter; (b) an end portion 12a of the screw being splined as at 19 to co-operate with a grooved bore in member 11; and (c) by a cone (not shown) positioned at the downstream end of screw 12 and having a screw-threaded stem which passes centrally through the screw 12 and engages a threaded bore in member 11 together with coupling (b). A detachable extrusion nozzle 22 allows removal of screw 12 and replacement by a screw of differing delivery capacity. Heaters 23 for the barrel section of casing 20 are also provided.
Patent GB-197127-A (GB)
Title: Improvements in thermostatic steam control device
IPC: G05D23/12
Filed: 1922-03-14
Abstract: 197,127. Collin, G. W. March 14, 1922. Thermostats.-Relates to thermostats for controlling the supply of heating-fluid through an inlet pipe 6 to a heating-chamber 7 of the type comprising a diaphragm valve 9 located in the inlet pipe at some distance from the chamber 7 and operated by the pressure of the fluid, a pilot valve 38 controlled 'by a thermostatic element 42 located in or adjacent to the chamber 7, and a conduit 18 connecting the main and pilot valves. The pilot valve 38 is slidably arranged in a tubular post 28, which is adjustably mounted in a sleeve 22 clamped to the chamber 7, and when open establishes communication through lateral ports 35, 36 between the conduit 18 and chamber 7. The stem 10 of the main valve 9 has a longitudinal passages 19 which establishes communication between a chamber 20 on the under side of the diaphragm 12 and an upper chamber 17. With the pilot valve open, the normally greater fluid pressure on the under side of the diaphragm 12 keeps the valve 9 open; when. however, the temperature in the chamber 7 rises to the predetermined value, the thermostat 42 closes the pilot valve 38, thus causing a gradual increase of pressure in the chamber 17 and effecting a closure of the main valve 9. The position of the post 28 is adjusted by means of a pivoted arm 46 cooperating with a notched pivoted quadrant arm 48.
Patent GB-325133-A (GB)
Title: Process for the production of multiple web papers or cardboards on longitudinal wire cloth paper machines
IPC: D21F11/04
Filed: 1929-03-07
Abstract: 325,133. Erkens, P. March 7, 1929. Fourdrinier paper-machines; compound paper.-Pulp is deposited successively from separate wire cloth units 2, 3, 4 on to a main wire cloth 1, the production of a multiple web paper or cardboard taking place gradually between the breast roll 10 and the suction zone of the main wire cloth. Pulp may also be fed to the main wire cloth from a feed table &c. 11. Preferably the units 2, 3, and 4 and the wire cloth beneath them all have the same parallel shake, alternative shake may be applied only to the upper or only to the lower wire cloths, or there may be no shake applied to any of the wire cloths. Suction devices 9 assist couching off from the units each of which has a suction box 8. In an example, white elegant web is couched off from the unit 2, a layer of inferior quality from the unit 3 and a high quality blue web from the last unit 4.
Patent GB-141877-A (GB)
Title: Means for ensuring ignition of the working charges and preventing carbonising of the sparking plugs of internal combustion engines
IPC: H01T13/14
Filed: 1919-03-25
Abstract: 141,877. Autoniters, Ltd., Hudlass, F. W., and Smith, H. D. March 25, 1919. Sparking-plugs. - A tubular member 2, ribbed externally, is provided with a threaded bore 3 at one end to take an ordinary sparking-plug 5, and is also threaded at its other end to engage a member 6 which is provided with a threaded portion 8 for screwing into the cylinder. Internally, the member 6 is formed similarly to a Venturi tube.
Patent GB-737023-A (GB)
Title: Solutions containing available formaldehyde
IPC: C07C45/81
Filed: 1953-03-18
Abstract: A solution containing available formaldehyde and very little water is obtained by a process comprising mixing aqueous formaldehyde vapour containing not more than 15 per cent by weight of water with the vapour of a water-miscible normally liquid aliphatic mono- or poly-hydric alcohol, subjecting the mixture to partial condensation to condense water and alcohol from the mixture and separately condensing or absorbing the remaining vapours in the same or another such alcohol.  The formaldehyde is probably present in the solution mainly in the form of hemiacetals and polyoxymethylene hemiacetals of the formul  RO.CH2OH and R(OCH2)2-OH, where R is the organic radical of the hydroxy compound.  In the examples aqueous formaldehyde vapours containing not more than 15 per cent by weight of water are treated in accordance with the process with (a) methanol and (b) butanol.  Specifications 714,821 and 730,602 are referred to.
Patent GB-277238-A (GB)
Title: Improvements in or relating to metal boring and machining apparatus
IPC: B23B3/10
Filed: 1927-03-18
Abstract: 277,238. Miley, P., Haigh, E. V., and Hetherington & Sons, Ltd., J. March 18, 1927. Boring and turning mills.-In a boring and turning mill of the type having a tool-carrying cross-slide mounted above a rotatable work table, the cross slide with its accessories is pivotally mounted on one of its supporting pillars so that it may be swung about this pivot in order to allow easy access to the top of the table to facilitate the setting-up of heavy work-pieces. The electromotor 4 drives the table through worm gearing 7, 9, pinion 10, and internal wheel 11. A toothed rim 13 on the table is further connected by gears 14, 15 to a vertical shaft 16 passing through the pillar 27 and driving the tool-feed operating-shaft 32 through bevel gearing 31. A hollow conical column 33 terminating in a casing 34 surrounds the pillar 27 and roller bearings 35, ball bearings 86, and thrust washer 36a are interposed between the pillar and the casing 34. The lower end of the hollow column bears at 37 against the pillar and may be firmly secured by a threaded spindle 42 coacting with a split portion 45. An extension 39 of the casing 34 carries guide pulleys 24 for the cable carrying the tool-slide counterweight 25. During normal operation, the cross-slide is secured in position against the fixed pillar 26 by means of a hand-operated catch 50. When work is to be placed on the table, the catch is withdrawn and the spindle 42 slacked off, whereupon the hollow column, together with the cross-slide and its accessories, can be swung aside by a handle 52. During this movement the weight of the cross slide is further supported by means of a ball-bearing roller 55 running on a fixed surface 57 at the base of the pillar 27.
Patent GB-193702-A (GB)
Title: Improvements in apparatus for applying fasteners to machine driving belts
IPC: F16G3/00
Filed: 1922-03-15
Abstract: 193,702. Young, J., and Young, W. March 15, 1922. Belt fastenings, apparatus for use in attaching, of the kind described in Specification 193,701. A bed-plate with a traversable trimmer blade G, carries a clamp E to hold the belt in position and a second clamp F formed with holes f, providing a gauge for piercing holes in the belt end, and with slots f<1> to position the fastenings whilst being clinched. The clamping plates E, Fare secured by wiug nuts e, f<4> on screwed studs e<1>, f<3>, the plate F being provided with open slots f<2> to facilitate removal and the plate E with a single open slot e<2> to allow swinging. The belt trimmer G, formed with a V-blade, is carried by a slidable toothed rack H engaging a pinion h on a shaft k operated by a handle k. In use, the belt end is secured by the clamps E, F. As shown in Fig. 5, the end is squared if necessary by traversing the cutter G and holes are punched by an awl or tool M, Fig. 9, inserted through the guide holes f, the clamp plate F being then removed to enable the fasteners A to be inserted as shown in Fig. 7. To enable the projecting ends of the fasteners to be clinched by a hammer &c., the belt end is rearranged on the table upside down, as shown in Fig. 8, the curved backs of the fasteners lying in a transverse groove d in the table whilst the looped ends a are positioned by the slots f<1> in the clamp plate F which is replaced in position for the purpose.
Patent GB-421769-A (GB)
Title: Improvements in means for fastening railway rails to sleepers
IPC: E01B9/08
Filed: 1934-03-09
Abstract: 421,769. Securing rails to sleepers. RUPING, M., 172, Ismaningerstrasse, Munich, Germany. March 9, 1934, No. 7597. [Class 104 (ii)] Rails are secured to wooden sleepers by laminated steel springs 1 driven into the sleeper either directly or through holes in a chair 3. The laminae may be shelved and tapered at the top end, and may be driven into the sleeper by a special tool.
Patent GB-659108-A (GB)
Title: Method and apparatus for obtaining information concerning intelligence broadcasts
IPC: H04H1/00
Filed: 1949-03-22
Abstract: 659,108. Radio receiving systems; testing. REISS, H. R. March 22, 1949, No. 7729. Convention date, March 22, 1948. [Class 40 (v)] In an arrangement for obtaining information' from a plurality of variously located radio receivers regarding the broadcasting stations listened to by the users, a received signal is transmitted from each receiver to an information gathering station where it is compared with signals received from the broadcasting stations. As shown, the audio outputs of a number of receivers TR1 ... TR5 located in different parts of an area within the range of the broadcasting stations T1 ... T4 are connected by lines L1 ... L5 to a selector switch S at an information-gathering station which is situated in a central location with respect to the receivers under test and may be mobile. The switch S connects the outputs of the receivers in turn to the horizontal deflecting plates of cathode-ray oscilloscopes 01 ... 04, the vertical plates being connected through phasing networks N1 ... N4 to receivers SR1 ... SR4 receiving the broadcasting stations T1 ... T direct. When the same audio signals are applied in phase to the horizontal and vertical plates of the oscilloscope the trace will be in the form of a slanting line and this indicates the station to which the receiver under test is tuned, the remaining traces presenting no definite pattern, and if the receiver is not in operation the trace on each screen is a vertical line. Each oscilloscope may be provided with an electrical " comparator," Fig. 4 (not shown), the signals from the horizontal and vertical deflecting plates being applied respectively through push-pull stages to the diagonals of a bridge circuit, a thyratron being connected to the bridge through a rectifier so as to be triggered when the two signals are identical, this actuating a relay to control recording means. A second thyratron is arranged to short circuit the winding of the recording relay when the two signals are not identical. In an alternative arrangement, Figs. 2 and 3 (not shown), the signals from the receivers TR1 ... TR5 are transmitted to the information gathering station by radio link; wired wireless or infra-red light transmission also may be used.
Patent GB-725979-A (GB)
Title: Liquids having an improved temperature-viscosity relationship
IPC: C10M169/00
Filed: 1953-03-20
Abstract: Polysilicate compositions comprise liquid mixtures of an alkyl polysilicate and an alkyl orthosilicate having a viscosity not exceeding 1000 cs. at -40 DEG  F., and preferably not less than 5 cs. at 130 DEG  F., the alkyl radicals being of 2-6 carbon atoms. Polysilicates from the trimer to the dodecimer may be used. Mixtures referred to are n-butyl polysilicate and isobutyl orthosilicate, isoamyl polysilicate and isopropyl orthosilicate and amyl polysilicate and ethyl orthosilicate.  The polysilicate and/or the orthosilicate may also be mixed esters, such as those obtained in a disproportionation equilibrium mixture, for example an isopropyl-isobutyl mixed ester.  In one example, a mixture is prepared of isobutyl orthosilicate, and n-butyl polysilicate prepared by trans-esterification with n-butanol of ethyl silicate from which the monomer and polymers up to and including the tetramer have been distilled in vacuo to give a composition corresponding to the hexamer.ALSO:A lubricating composition comprises a liquid mixture of an alkyl polysilicate and an alkyl orthosilicate having a viscosity not exceeding 1000 cs. at -40 DEG F. and preferably not less than 5 cs. at 130 DEG F., the alkyl radicals being of 2-6 carbon atoms. Polysilicates from the trimer to the dodecimer may be used. Mixtures referred to are n-butyl polysilicate and isobutyl orthosilicate, isoamyl polysilicate and isopropyl orthosilicate, and amyl polysilicate and ethyl orthosilicate.  The polysilicate and/or the orthosilicate may also be mixed esters, such as those obtained in a disproportionation equilibrium mixture, for example an isopropyl-isobutyl mixed ester.
Patent GB-954175-A (GB)
Title: Improvements relating to plant irrigation
IPC: A01G27/06
Filed: 1963-02-27
Abstract: 954,175. Flower pots; watering plants. F. L. JONSSON. Feb. 27, 1963, No. 7809/63. Heading A1E. Apparatus for irrigating flower pots comprises a reservoir 1 defined by cupshaped walls 20, 21 which communicates via opening 5 with a well 3 around which are supports 24 for the flowerpot. A pipe 4 communicating with an air space in reservoir 1 opens into well 3 beneath the normal water level therein so that a fall in the water level allows air to flow through the pipe and water to flow in through opening 5. A rod 14 having at its lower end spaced wicks 10, 12 extends into an extension 25 of well 3 so that one of the wicks is in contact with a layer 13 of absorbent material on the supports 24. The wall 20 may be of transparent flexible plastics material in which case the reservoir 1 is filled through the central cavity 22, wall 20 being flexed inwardly and then released so that water is sucked into reservoir 1 through the pipe 4 and opening 5. In a modification a wick extends through pipe 4 and has one end in well 3 and the other at the base of the reservoir. The reservoir 1 may also be filled through a filler opening at its upper end.
Patent GB-1417772-A (GB)
Title: Digital to analogue converter
IPC: H03M1/00
Filed: 1973-02-16
Abstract: 1417772 Stepwave generators XEROX CORP 16 Feb 1973 [22 Feb 1972] 7819/73 Heading H3T [Also in Division G4]  In a stepped ramp generator in which a series train of pulses is integrated, the input impedance of the integrator is changed each time the pulse input signal level changes. This reduces amplifier drift. The pulse train is applied to the base of transistor T. The integrator comprises amplifier A and capacitor C and has input resistors R 1  and R 2  (R 1 >R 2 ). Resistors R 4 -R 7  have values such that the FET is switched on when a pulse is present at the input, thus shorting out R 1 . The input pulse train V IN  produces a step ramp V OUT  and is also applied to a counter which resets the integrator via shorting switch SW each time a predetermined count is reached.
Patent GB-1080016-A (GB)
Title: Developing silver halide colour materials
Inventor: BRAND BORIS PETER
IPC: G03C7/413
Filed: 1965-02-24
Abstract: 1,080,016. Developing photographic silver halide colour materials. ILFORD Ltd. Feb. 22, 1966 [Feb. 24, 1965], No.7992/65. Heading G2C. An exposed photographic silver halide colour material is developed with an aromatic primary amino colour developing agent in the presence of a colour coupler, the material being treated with an amine of the formula: - wherein X is a divalent saturated aliphatic hydrocarbon group containing 2 to 5 carbon atoms and m is 1, 2 or 3, by including the amine in the colour developer or by applying a solution of the amine to the material immediately prior to treatment with the colour developer. The colour coupler is preferably present in the light-sensitive material.
Patent GB-635364-A (GB)
Title: Improvements in or relating to couplings or joints between high frequency electromagnetic waveguides and coaxial lines
IPC: H01P5/103
Filed: 1947-03-24
Abstract: 635,364. Wave-guides; attenuators. SPERRY GYROSCOPE CO., Inc. March 24, 1947, No. 7993. Convention date, March 22, 1946. [Class 40 (viii)] In a coupling between a coaxial line and a wave-guide, Fig. 4, the waveguide 10 extends through the outer conductor 15 of the line into proximity with the inner conductor 13, and the mouth of the guide is provided with an apertured conductive diaphragm 16. Fig. 1 shows an attenuator comprising a wave-guide 10 dimensioned below cut-off at the operating frequency coupled to a coaxial line 11. The wave-guide 10 extends through the outer conductor 15 of the line and its end is closed by a metal plate 16 in proximity to the inner conductor 13 of the line. A rectangular slot 17, perpendicular to the inner conductor, is formed in the plate 16, and wall tapers 18 are provided on the outer conductor to avoid abrupt discontinuities. One end 23 of a pick-up loop 29 extends to form a coaxial line with a tube 22 to which the other end is secured. The position of pick-up loop 29 and tube 22, which slides inside the wave-guide 10, is adjusted by a rack-andpinion mechanism secured to an outer tube 24 connected to inner tube 22 by a screw 27. Step transition units 30, 31 connect the coaxial line 22, 23 with a standard coaxial line 37. The enlarged end section of inner conductor 23 slides within the hollow inner conductor of line 37. In the Specification as open to inspection under Sect. 91 the coupling loop may be provided with shorting bars perpendicular to the loop and extending to the outer conductor of the line, so that the loop does not respond to undesired modes which may exist in the guide. This subject-matter does not appear in the Specification as accepted.
Patent GB-558083-A (GB)
Title: Improvements in chromate recovery
IPC: C22B34/32
Filed: 1942-06-12
Abstract: 558,083. Sodium chromate. UDY, M. J. June 12, 1942, No. 8086. [Class 1 (iii)] Sodium chromate is obtained by leaching a crude sodium chromate-bearing material with sodium hydroxide solution, and then evaporating the solution until sodium chromate crystallises. The leaching solution may contain 20-30 per cent. of sodium hydroxide and it may be evaporated to a content of 35-40 per cent. The leaching is preferably effected at 90-100‹C.