baber/WOPTO huggingface dataset:
Patent GB-606202-A (GB)
Title: Rotatory press for moulding pulverized or fibrous materials
IPC: B30B11/16
Filed: 1945-11-16
Abstract: 606,202. Rotary - cylinder moulding presses. NAUTA, J. E. Nov. 16, 1945, No. 30794. Convention date, Sept. 2, 1941. [Class 87(ii)] The bottom of each moulding chamber 6, Figs. 1, 2 and 4, is adapted to expel the moulded product by being formed by a flat cut-away portion 12 of a shaft 13. Opposite ends of the shaft are formed with operating levers 15, 15<1>. When the moulding chamber has been filled with pulverized or fibrous material and the latter has been compressed therein by convergence of the. two cylinders 3, 4, and of a partition 9, the lever 15 strikes an abutment 16, whereby the shaft is turned to eject the moulded article as shown in Fig. 4. Another abutment 18 acts on the lever 15' to return the shaft. to the position shown in Fig. 2. In a modification, the cut-away portion of the shaft forms not only the base but part of the side of the moulding chamber. In a further modification, Fig. 7, the shaft 13 is formed as a cam which raises a piston 22 forming the base of the moulding chamber. The piston is lowered by links 24 attached to the shaft. Annular grooves 25 collect powder that penetrates between the piston and its chamber. The shafts 13 may turn on bearings and may have ribs or screw threads that cut powder crusts formed in the bearings. The chamber 10 may be cooled. There may be only one cylinder 3.
Patent GB-1142225-A (GB)
Title: Isocyanate derivatives of dihydropyran
Inventor: GAZZARD EDWARD GEORGE
IPC: C08F24/00
Filed: 1966-07-08
Abstract: 1,142,225. Dihydropyranyl-isocyanate derivatives; IMPERIAL CHEMICAL INDUSTRIES Ltd. 30 June, 1967 [8 July, 1966], No. 30818/66. Heading C2C. Compounds of the general formula wherein R<SP>1</SP> and R<SP>2</SP> represent hydrogen atoms, C 1-4  alkyl groups or halogen atoms may be obtained by reacting an amine of the formula with phosgene and removing the hydrogen chloride formed by the use of an acid acceptor. The reaction is suitably effected in a solvent at a temperature below 100 C. The above products may be polymerized to isocyanate dimers and trimers (which contain an isocyanurate ring structure) by heating in the presence of basic catalysts such as tertiary amines or metal salts, e.g. potassium acetate, or the calcium, lead and manganese salts of aliphatic or alicyclic acids.
Patent GB-520545-A (GB)
Title: Improvements in vacuum drying cylinders particularly for grain
IPC: F26B11/04
Filed: 1938-10-25
Abstract: 520,545. Hollow rotary drying cylinders. HUZENLAUB, E. G., and ROGERS, J. H. Oct 25, 1938, Nos.-30840/38 and 16162/39. [Classes 34 (i) and 34 (ii)] A rotary vacuum cylinder for drying cereals in batches is steam jacketed at 30 and is traversed by a series of axial steam heated tubes 4 arranged to form longitudinally a cruciform space 5 for grain. Rice fed at 7 to the cylinder is distributed by helical blades 13 which also on reversal of rotation guide the dried rice to the discharge 7. The tubes 4 are mounted in plates 3. Steam enters axially through a non-rotary conduit 24 to a rotary conduit 26, and condensate is withdrawn by buckets 31 at one end of the drum opera'tive in either direction of rotation and poured by lips 34 into a fixed vessel 35 in the drum, whence the condensate is removed by pipe 36. Vacuum is applied by an axial non- rotary conduit 14 and a rotary conduit 16 on the drum, packing glands 18, 28 being placed between the conduits. Radial and longitudinal perforated conduits 19 covered by removable wire mesh 20 are connected to the vacuum conduit 16. The cylinder is rotated by a spur wheel 11 and pinion 12 and has circumferential rails 41 engaged by self-aligning rollers 38 on centrally pivoted arms 40, the rails also being engaged at the sides by steadying rollers 42. Conduits 14, 24 are each mounted on a fork 43 on a rod 45 with a collar 47 resting on a tube 48 in which the rod 45 slides and which carries a nut 49 bearing on a spring 51 round the tube 48 The spring also bears on a pad 52 with a spherical bottom 54 bearing on a shaped seating ring 53.
Patent GB-1004389-A (GB)
Title: Process and apparatus for treating reaction gases in the manufacture of hydrofluoricacid
IPC: C01B7/19
Filed: 1962-08-13
Abstract: Hydrofluoric acid is produced by treating fluorspar with hot sulphuric acid, charging the slurry into a reaction furnace to convert it into gypsum and hydrofluoric acid and injecting sulphuric acid into the gases issuing from the reaction chamber before they are passed to a condensation stage.  After this treatment the gases may be subjected to simultaneous filtration and washing.  The gases are preferably centrifuged with the sulphuric acid and the sulphuric acid may be recovered by partial condensation.  Water formed in the partial condensation may be used to dilute oleum supplied to the sulphuric acid prior to injection. The sulphuric acid used for treating the fluorspar may be added to that recovered by the partial condensation and also that formed by diluting the oleum, and the resultant liquid used for treating the fluorspar.  The liquid used for treating the fluorspar may be heated by heat given out during the condensation and the oleum dilution.
Patent GB-1173238-A (GB)
Title: Improvements in or relating to Tufting Machines
Inventor: HASLER WILLIAM SANFORD
IPC: D05C15/00
Filed: 1967-07-05
Abstract: 1,173,238. Tufting-machines. SINGER-COBBLE Ltd. 4 July, 1968 [5 July; 1967], No. 30923/67. Heading D1G. A tufting machine comprises two end cabinets 11, 12 and two cross beams 13, 15 extending therebetween, with a vertically extending slot between the cross beams, a needle stroke mechanism in one cross beam for horizontally reciprocating a plurality of tufting needles and a looper mechanism on the second cross beam -with drive means therefore in the end cabinets. The needles are reciprocated from an oscillating shaft 32 by drive levers 35 acting through links 36. The loopers, mounted on looper shaft 47 are reciprocated by a rack and pinion as is a presser foot 58. A yarn jerker mechanism comprises guides 44a, 44c on the needle bar and a fixed guide 44b on the cross beam. Pin rollers 22 pull the backing fabric vertically through the slot.
Patent GB-419481-A (GB)
Title: A process of preserving fruit juices in their natural state
IPC: A23L2/42
Filed: 1933-11-07
Abstract: 419,481. Preserving fruit juices. KELLER, H. W., 615, I.W. Hellman Building, Los Angeles, U.S.A.-(Assignee of Polk, I. H. ; 810, East Palm Avenue, Monrovia, Los Angeles, U.S.A.) Nov. 7, 1933, No. 30990. Convention date, Nov. 25, 1932. [Class 14 (ii).] Fruit juices are preserved by subjecting a body of freshly extracted juice to the action of a partial vacuum until the liquid has been deaerated, and a substantial amount of the pulp and other contaminants has risen to the surface to form a supernatant layer, at least part of which is then removed, the residual juice being packed in cans. According to one embodiment of the invention, citrus fruit such as oranges are cooled to about 30‹ F. in a precooler and mechanically conveyed to an extraction unit maintained at 40‹ F. or below, wherein operators subject the fruit to the action of cone-shaped reaming machines. From these reamers the juice flows through a strainer device so operated mechanically as to permit the requisite relative volumes of liquid, semiliquids, and solids to pass therethrough, into an annular precooling chamber provided with central and peripheral spaces for the circulation of a refrigerant. From this precooler the juice is led by a pipe 26 into a vacuum separator comprising inner and outer compartments surrounded by a cooling jacket 28 and capable of being maintained under a vacuum of at least 27 ins. of mercury. The juice in the separator is subjected to slow agitation by means of a stirrer 30, and then allowed to stand under the applied vacuum for a somewhat longer period of time until a supernatant layer of pulp &c. forms. This layer is removed by mechanically lowering the double-walled upper portion 33 of the wall of the inner compartment, so that the supernatant pulp &c. overflows into the outer compartment 35 from which it is removed through a pipe. The separated juice flows out through a pipe 38, after additional agitation by means of the stirrer 30 to distribute the residual pulp throughout the liquid, to a filling machine wherein it is filled into suitable glass bottles or cans with exclusion of air. The containers are preferably precooled to approximately freezing point. Preferably the packed juice is frozen solid, this being effected in a unit comprising an enclosed and suitably insulated tank containing a freezing bath of alcohol or other liquid maintained at about -50‹ F. and kept in circulation by a propeller device. The containers are caused to roll by gravity down an inclined track into the bath, the impetus gained carrying them through it and on to elevator and conveyer devices to storage.
Patent GB-1382133-A (GB)
Title: Communication system
IPC: H04Q11/04
Filed: 1972-07-03
Abstract: 1382133 Loop communication systems INNATIONAL BUSINESS MACHINES CORP 3 July 1972 [13 Aug 1971] 31010/72 Headings H4K and H4P In a TDM looped communication system having terminals of different priority connected to the loop, each channel on the loop includes a control word having a first field into which a caller inserts an indication of his own priority and a second field into which a supervisory unit connected to the loop inserts the priority level of a terminal permitted to use the channel. The terminals may be voice or data stations and each one may have a plurality of substations connected thereto in radial manner. In the simplest system the unit has little processing ability so that channel allocation is essentially in the hands of the terminals. In this case the unit simply transfers unmodified the priority contents of the first fields into the second fields arid each terminal then rejects the channel either if it is busy (as denoted by a flag bit which the channel user must alter from frame to frame) or if the second field contains a higher priority level marking then its own. A terminal must refrain from reoccupying a channel (by altering the flag bit) if a terminal of higher priority has indicated a desire to use it. Where terminals of equal priority apply for a channel the system is capable of permitting these to share the channel by allocating it to each terminal in turn during successive frames. The original terminal only changes the flag bit whilst he is using the channel so that if a bit occurs in the position of the second field corresponding to his own priority then this signifies that another terminal wishes to use the channel. The original terminal therefore, does not change the flag bit thus releasing the channel to the new terminal, but he does insert a new priority request bit so that the new terminal will release the channel after one frame. In the case where the supervisory unit can perform a selection function it assesses the priority levels presented during each channel and then reserves the channel for the highest priority level at the same time marking the free/ busy flag as free. The terminals monitor the second fields and seize a channel if they have the requisite priority. If the field is not marked, i.e. no priority requests came in during the previous frame, the nearest calling station on the loop to the supervisory unit may immediately seize the channel i.e. without submitting a request by marking the first field of its control word as is usually necessary. The supervisory unit may inject its own data into a channel if it so desires. Each channel comprises a word consisting of a control field, free/busy flag, sender address, receiver address, signalling or data indication and information. The latter may be speech or data and its length may vary from frame to frame.
Patent GB-633556-A (GB)
Title: Improvements in means for automatically cleaning the clearer rollers of continuous spinning frames and other textile machines
IPC: D01H5/64
Filed: 1946-10-18
Abstract: 633,556. Roller clearers for spinning and other textile machines. SOC. EN NOM COLLECTIF DES BREVETS FLORIMOND DELEPIERRE Oct. 18, 1946, No. 31073. Convention date, Nov. 20, 1945. [Classes 120 (ii) and 120 (iii)] Clearer rollers 2, operating on the front top rollers of a spinning or other textile machine, are cleaned by a device comprising a. trough-like member 3 which carries a cleaning member 10 arranged to contact the clearer rollers 2, so as to remove fluff therefrom, and which is traversed along the rollers 2 by freely rotatable cones 14 resting upon the rollers and with their axes at an angle to a plane containing the axes of the rollers, each cone 14 having an eccentric end portion 17 of reduced diameter tangential to the base of the cone with its sides sloping towards the base, so that, if a cone 14 encounters a roller 2 of greater diameter than others, the sloping periphery of the eccentric portion will permit the cone to climb the roller. The trough-like member 3 supports two plates 4, 5 arranged to carry a spool 9 on which an endless strip of card clothing 10 is mounted. A brush may also be provided to sweep off fibres and dust from the bottom rollers ; other brushes, combs or blowers may also be arranged. In order to prevent the cleaning device from falling when one, or more, of the rollers 2 is missing, a bent rod 21 may be attached to the spindle of the leading cone 14 to act as a support when necessary.
Patent GB-1521832-A (GB)
Title: Peroxide emulsions
IPC: C09K23/00
Filed: 1976-07-27
Abstract: 1521832 Frozen peroxide emulsions PPG INDUSTRIES INC 27 July 1976 [28 July 1975] 31185/76 Heading B1V [Also in Division C3]  A frozen organic peroxide aqueous emulsion comprises (a) 30 to 75wt.% of an organic peroxide chosen from (i) peroxydicarbonate esters R 1 OC(O)OOC(O)OR 1  wherein R 1  is C 1 -C 20  aliphatic or C 6 -C 8  aromatic, (ii) diacyl peroxides R 2 C(O)OOC(O)R 2  wherein R 2  is C 1 -C 20  aliphatic or C 6 -C 8  aromatic, (iii) acyl sulphonyl peroxides CH 3 C(O)OOSO 3  R 3  wherein R 3  is C 4 -C 12  aliphatic or C 3 -C 10  cycloaliphatic, and (iv) peroxyesters R 4  C(O)OOR 5  wherein R, is C 2 -C 12  aliphatic and R 5  is C 1 -C 6  aliphatic; (b) an emulsifying amount of water-soluble surfactant, e.g. 1- 10%wt., and (c) the remainder water, suitable deionised water. Many suitable surfactants are listed including polyvinyl alcohol, gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, methyl cellulose and sorbitan esters of C 12 -C 18  fatty acids. The continuous phase may be the peroxide phase or, more suitably, the aqueous phase. The peroxide may be dissolved in an organic solvent. The emulsions may be used, when thawed, as initiators for the suspension or emulsion polymerisation of ethylenically unsaturated materials, e.g. vinyl chloride.
Patent GB-232285-A (GB)
Title: Improvements in colour kinematography
IPC: G02B27/14
Filed: 1923-12-12
Abstract: 232,285. Alder, W. A., and E. L. Syndicate, Ltd. Dec. 12, 1923. Colour kinematography; apparatus.-Pictures in natural colours are projected bv means of the " Leitz - Mechau " projector and a film having appropriately dyed images thereon and prepared from a negative film exposed through revolving or stationary colour filters. The whole positive film may first by dyed red, the red value images may then be covered with a protective transparent varnish, the red dye mav be washed from the unprotected sections, and the film may then be placed in a bath of green dye. The " Leitz-Mechau " projector, stated to be very similar to that described in Specification 152,347, comprises an arc lamp 1, 2, mirror 3, water condenser 4, aperture plate 5, mirrors 7, 8 carried by universal joints 16 on a support rotating on a shaft 17, lenses 6, 12, 13, and a prism 9 and mirror 14. The mirrors 7, 8 are tilted during the rotation through the lower portion of their path so as to cause the light beam to move with the image on the film 10, and are tilted during the rotation through the upper portion of their path so as to compensate for the movement of the film. Reference has been directed by the Comptroller to Specification 117,864.
Patent GB-1008364-A (GB)
Title: Spacing detector
IPC: B23K7/10
Filed: 1962-08-15
Abstract: 1,008,364. Determining physical dimension. STEWART-WARNER CORPORATION. Aug. 15, 1962 [Sept.13, 1961], No. 31352/62. Heading G1N. In an arrangement for determining the height of a gas torch above a workpiece, a cut-out plate 34, for attachment to the torch, which provides with the working surface 28 a space measuring capacitor to which an electronic control circuit 25 responds, serves also to provide a heat shield for the control equipment, the edge of the cut out portion being inclined to diverge from the face opposite that from which it is supported. The plate is supported from the torch by a post 14 and a bracket 18 the latter of which carries an auto-transformer for connecting the plateworkpiece capacity into an oscillator in circuit 25. The auto transformer is enclosed in a housing 22, and the torch height is controlled by a motor 40 and a rack and pinion 42, 44, the motor being responsive to frequency deviation. Specification 998, 827 is referred to.
Patent GB-996612-A (GB)
Title: Improvements in and relating to disc brakes
Inventor: CHOUINGS LESLIE CYRIL
IPC: F16D55/00
Filed: 1960-09-12
Abstract: 996,612. Disc brakes. AUTOMOTIVE PRODUCTS CO. Ltd. Sept. 8, 1961 [Sept. 12, 1960], No. 31385/60. Heading F2E. In a disc brake of the kind in which the reaction force resulting from contact of a brake pad or pads on one side of the disc with the latter results in sliding movement of a sliding member in a plane normal to the plane of rotation of the disc to bring the pad or pads on the opposite side of the disc into contact therewith, the sliding member is in the form of a flat plate perpendicular to the plane of rotation of the disc so as to encircle the pads and a peripheral portion of the disc. As shown in Figs. 1, 5 and 7, the sliding member 2 is of laminar construction being built up from three sheet metal plates 13 riveted together at 14 and slides on a support 1 adapted to be mounted by means of holes 20 to the stationary part of a wheel assembly. The member 2 has an opening 4 to receive a peripheral portion of the disc 3 and brake pads 5, 6 secured to metal backing plates 7, 8, and carries an hydraulic cylinder 9 having a piston 10 received in a portion 16 of the opening 4. The support 1 is substantially of L-shape, the portion 21 which extends laterally at right angles to the portion 19 forming a flat surface platform contacting the opposite flat surface of member 2 and being provided with an aperture 22. The aperture portion 23 receives the peripheral portion of the disc and portions 24 receive the pads, the ends 25 of the portions 24 being formed to provide lugs which contact the ends of the backing plates 7, 8. The hydraulic cylinder 9 is received in the cut-away portion 27 with the projections 28 engaged in appropriate slots formed either side of the cylinder 9. A spring clip 30 and a tension spring 39 apply a lateral spring load to the sliding member which prevents chatter. Spring retaining plates 33 secured by split pins 34, passing through lugs 35, 36 bear on the radially outer edges of the backing plates 7, 8 to retain the pads in position. In a modified construction, Fig. 12, the sliding member is constructed from two plates 40, 41, plate 40 being wholly flat with a T-shaped opening and plate 41 having curved portions 42, 42a displaced out of the plane of the plate with a rectangular opening. Automatic adjusting means of any suitable kind are preferably included. According to the Provisional Specification the sliding member may be held on the support by retaining plates bolted to the support and bearing on the surface of the sliding member. A buffer of rubber or other suitable resilient material may be inserted between each retaining plate and the sliding member.
Patent GB-914976-A (GB)
Title: Liquid fuel combustion apparatus
Inventor: ORMEROD ALAN
IPC: F02C7/04
Filed: 1960-09-13
Abstract: 914,976. Air supply to burners. LUCAS (INDUSTRIES) Ltd., JOSEPH. Aug. 30, 1961 [Sept. 13, 1960], No. 31459/60. Class 75 (1). [Also in Group XII] In combustion equipment comprising a liquid fuel burner 12 surrounded by e swirler 13 to which air is supplied by a duct 14 in an air jacket 10, the duct adjacent the swirler is of circular cross-section, as shown in Fig. 2, and is divided into four equal sectors compartments a, b, c, d by partitions 15, 16, 17. As the cross-section of the duct changes upstream through oval (see Fig. 4) to an oblong shape (see Figs. 6 and 7) the partitions change shape to maintain the area of the compartments equal.
Patent GB-211837-A (GB)
Title: Improvements relating to fluid control systems for double-acting piston engines
IPC: F01L25/06
Filed: 1923-12-15
Abstract: 211,837. Nielebock, W. Feb. 23, 1923, [Convention date]. Combined fluid-actuated and mechanical gears; with auxiliary valves. - In a compound engine wherein the main-fluid distribution is effected by a single valve, the auxiliary valve controlling the main valve is formed as a piston slide valve, and is moved in one direction by fluid pressure and reversed by the low pressure piston. In a tandemcylinder engine, Fig. 1, the main valve p alternately puts the supply z into communication with the high-pressure cylinder passages i, and the low-pressure cylinder passages t, u alternately into communication with these respectively and the exhaust. The auxiliary-valve chest communicates with the high-pressure cylinder through passages g, h, i, with the main-valve chest by a passage k, and with the atmosphere m. In the position shown, the valve p has been moved to the left, and the valve e to the right, by fluid supplied from cylinder a through passage g. The pistons c, d now move to the left, and the high-pressure fluid entering the right of cylinder a passes to the valve-chests and holds the valves. When the piston d engages the tappet f, the valves and fluid-passage connections are reversed, the chest o exhausting through k, m, and the fluid entering at z moving the valve p to the right. In a modification applied to a steamdriven compressor, the high and low-pressure power cylinders are arranged side by side and in tandem with the compressor cylinders. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a gear wherein the valve p controls a single, double-acting cylinder. This subject-matter does not appear in the Specification as accepted.
Patent GB-1039620-A (GB)
Title: Improvements in or relating to wood shearing machines
IPC: B27L5/06
Filed: 1965-07-23
Abstract: 1,039,620. Woodworking. A. CREMONA. July 23, 1965 [April 3, 1965], No. 31531/65. Heading B5L. A wood shearing machine comprises slideways 1 for the pressure bar and cutter blade unit 3, 4 inclined with respect to the horizontal in such manner that the unit is, at the position on the slideways for effecting extraction of a cut sheet 5 from the unit, at a lower level relative to a flywheel assembly 7 for effecting reciprocation of the unit on the slideways than at positions on the slideways nearer the flywheel assembly.