baber/WOPTO huggingface dataset:
Patent GB-490272-A (GB)
Title: Improvements in or relating to circuit-arrangements for facilitating correct tuning of radio receiving apparatus
IPC: H03J3/12
Filed: 1937-10-30
Abstract: 490,272. Wireless receiving circuits. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Oct. 30, 1937, No. 29722. Convention date, Nov. 2, 1936. [Class 40 (v)] An arrangement for facilitating correct tuning of a radio receiver comprises a device, e.g. a brake, the control of which is effected by an auxiliary alternating voltage combined with the high or intermediate frequency signals so that it only takes effect over a narrow frequency band adjacent the desired frequency. Low frequency currents are injected into the input circuit of the I.F. amplifier 13 from a source 38 which may be the supply mains. The output circuit of 13 is coupled to two tuned circuits 14, 19, the former feeding the signal rectifier 16 and the latter being highly selective and supplying a rectifier 21. The load circuit of diode 16 comprises resistances 17, 18 while that of diode 19 includes resistances 20, 18 and part of resistance 39. The input of the first low-frequency amplifier 25 can be switched at 23 to the load resistance 20 or to a tapping on 17, the switches 37, 22, 29 and 33 being simultaneously operated with 23. The switches are all shown in the tuning position, the loud-speaker 28 being then disconnected. When any station is being tuned in, the rectified voltage across resistance 18, due to diode 16 provides a delay bias for diode 21 which is thus inoperative until the voltage across the sharply-tuned circuit 19 is sufficient to overcome the delay ; this occurs substantially at the in-tune position. The injected. mains frequency from 38 is thus amplified at 25, 26, and applied to the tuned A.C. relay 30 which operates a brake disc 32 to render the tuning difficult or inoperative. At the same time the relay operates switches 37, 22, 23, 29 and 33, which latter applies a holding current from the mains for the relay. The receiver is now in normal receiving condition. The small additional delay bias on diode 21, obtained from part of resistance 39, prevents rectification in this circuit when the bias voltage across 18 has still a low value. The relay 30 may act so as to render operative the low-frequency portion of the set only when exact tune is reached ; or an optical indicating device may be similarly controlled. To tune to another station, the relay may be de-energised by a switch, associated with the tuning knob.
Patent GB-207555-A (GB)
Title: Improvements in the manufacture of titanic and zinc compounds
IPC: C01G23/00
Filed: 1923-11-26
Abstract: The Specification as open to inspection under Sect. 91 (3) (a) states that titanium sulphide is obtained by treating titanic chloride, bromide or fluoride or a titantium compound with more than one halogen with sulphuretted hydrogen, the halogen acids being liberated.  Titanium ore such as ilmenite may be heated with coal and sulphuric acid or with pyrites in a closed vessel, the product being treated with dilute sulphuric acid which dissolves the reduced iron, leaving titanium oxide insoluble.  The oxide is mixed with coal and treated with chlorine at a dark red heat and the vapour of the titanium chloride is passed with dry sulphuretted hydrogen through tubes externally heated to about 400 DEG  C., or the titanium chloride may be condensed in a condenser at 100 DEG  C., the sulphuretted hydrogen being then admitted into the condenser.  This subject-matter does not appear in the Specification as accepted.ALSO:The Specification as open to inspection under Sect. 91 (3) (a) contains the following subject-matter: Titanium sulphide is obtained by treating titanic chloride, bromide or fluoride or a titanium compound with more than one halogen with sulphuretted hydrogen, the halogen acids being liberated.  Titanium ore such as ilmenite may be heated with coal and sulphuric acid or with pyrites in a closed vessel, the product being treated with dilute sulphuric acid which dissolves the reduced iron, leaving titanium oxide insoluble.  The oxide is mixed with coal and treated with chlorine at a dark red heat and the vapour of the titanium chloride is passed with dry sulphuretted hydrogen through tubes externally heated to about 400 DEG  C., or the titanium chloride may be condensed in a condenser at 100 DEG  C., the sulphuretted hydrogen being then admitted into the condenser.  The titanium sulphide may be roasted to obtain titanium oxide.  This subject-matter does not appear in the Specification as accepted.
Patent GB-428133-A (GB)
Title: The manufacture of hydrogenation products of follicle hormones
IPC: C07J75/00
Filed: 1933-10-26
Abstract: Reduction products of the follicle hormone, wherein the keto group of the hormone has been converted to a secondary alcohol group, are produced by reducing the oxime of the hormone to the corresponding amine and subjecting the latter to the action of a nitrite. According to an example a solution of the oxime in alcohol is treated with metallic sodium, diluted with water, and evaporated to remove the alcohol.  The mixture is acidified with hydrochloric acid, an aqueous solution of potassium nitrite is added, the mixture is boiled and is then extracted with ether. The ethereal solution is evaporated to yield the dihydrofollicle hormone.  Specification 428,132 is referred to.ALSO:Reduction products of the follicle hormone, wherein the keto group of the hormone has been converted to a secondary alcohol group, are produced by reducing the oxime of the hormone to the corresponding amine and subjecting the latter to the action of a nitrite.  According to an example a solution of the oxime in alcohol is treated with metallic sodium, diluted with water, and evaporated to remove the alcohol.  The mixture is acidified with hydrochloric acid, an aqueous solution of potassium nitrite is added, the mixture is boiled and is then extracted with ether. The ethereal solution is evaporated to yield the dihydrofollicle hormone.  Specification 428,132 is referred to.
Patent GB-1360997-A (GB)
Title: Fabrics
IPC: D04B21/00
Filed: 1971-06-25
Abstract: 1360997 Knitting UNION CARBIDE CORP 25 June 1971 [26 June 1970] 29798/71 Headings D1C and D1K Warp knitted fabric is made by knitting chain stitches with yarns 30, 31, 32, 33 from one set of thread guides and looping a portion of each chain stitch round the chain in one of the adjacent pillars in the same course and laying in warps 40, 41, 42 from another set of thread guides between the chains to overlay and underlay the yarns connecting the chains. The fabric may be knitted on a machine with a fall plate but preferably is knitted on a machine with means for raising the needles to a higher than normal level. The machine has needles slidable inside plate 27 and at least two guide bars and conventional pattern chain mechanism for shogging the guide bars. The yarns from each chain are laid round the needles on which the next adjacent chains are being formed and these needles are raised so that the yarn falls below the needle latches after which the yarn is returned and fed to the nedles on which it is forming a chain. This takes place either across the back or front of the warps 40-42 so that they become interwoven with these loops.
Patent GB-710260-A (GB)
Title: An improvement in or relating to pneumatic conveying systems for fibrous textile materials
Inventor: JARMAIN GEOFFREY GEORGE
IPC: B65G53/24
Filed: 1950-12-05
Abstract: 710,260. Pneumatic conveyers. JARMAIN & SON, Ltd. Dec. 5, 1951 [Dec. 5, 1950], No. 29816/50. Class 78 (1) In a pneumatic conveyer for loose textile materials which includes a cleaning or willowing machine b from which the material is drawn by an air stream induced by a fan f into a chamber d containing a perforated tubular revolving cage, the ends of which are connected to the suction side of the fan, the air separated from the material and drawn off by the fan from the interior of the cage is delivered through the pipe g to the machine b to mix with fresh material.
Patent GB-981602-A (GB)
Title: Improvements in load handling apparatus for use with tractors
IPC: B66F9/065
Filed: 1960-08-30
Abstract: 981,602. Load handling attachments for tractors. H. G. PRYOR. April 6, 1961 [Aug. 30, 1960], No. 29885/60. Heading B8H. A load support, such as a pair of forks 1a, is pivoted to a pair of booms 3a which are pivoted to a pair of frames 5a, 24, 28, 37, 30, 31 detachably secured to a tractor and which are luffed by hydraulic rams 41, the cylinders of which are strapped to the uprights 5a and the piston rods 41a of which are pivoted to arms 18 pivoted to webs 15 on the booms 3a. The forks 1a are maintained horizontal by chains 44 and the booms 3a are supported in their fully raised position by pivoted struts 11 which, under the action of springs 14, engage over a lip 10 on brackets 9 secured to the tractor axle. The struts 11 are disengaged from the lip 10 by rotation of a cam 47. The arms 18 are provided with a number of alternative holes 19 for pivotal connection by pins to the piston rods 41a and the pins each carry a pair of guide rollers 21 which engage tracks 49 welded to the uprights 5a. In a modification (not shown), a load support is mounted on a boom at each side of the rear of the tractor.
Patent GB-1518531-A (GB)
Title: Contact lens carrying case
IPC: A45C11/00
Filed: 1975-07-16
Abstract: 1518531 Contact lens cases BALISCH & LOMB Inc 16 July 1975 [22 July 1974 30 June 1975(2)] 29907/75 Heading G2J A contact lens case comprises two storage chambers 13, 14 opening to opposite sides of the case body, each chamber being closed by a screw cap, and is characterized in that the chambers 13, 14 are positioned side by side, as shown, and each chamber or its associated cap is provided with means for holding a contact lens. As shown, the interior surface of each cap is formed with a domed lens-supporting projection 42 and a surrounding, upstanding ring 40 which hingedly supports a cover member 44 for a lens supported on the projection 42. The lens-holding means may be formed on the base wall of each chamber 13, 14.
Patent GB-803960-A (GB)
Title: Presser mechanism for sewing machines
IPC: D05B29/02
Filed: 1956-10-02
Abstract: 803,960. Sewing machines. SINGER MANUFACTURING CO. Oct. 2, 1956 [Oct. 21, 1955], No. 29991/56. Class 112 A spring loaded presser foot has mechanism to vary the pressure of the spring 7 comprising a rod 8 abutting the spring and slidable within a fixed bush 12 whose cam edge 13 co-operates with a follower 14 to slide the rod axially when it is rotated by an actuating rod 10 secured to a knob 18. A spring loaded detent 22 within the knob prevents its accidental rotation, while numerals 20 provide an indication of the presser foot loading.
Patent GB-1273733-A (GB)
Title: Process for the production of artificial filaments
Inventor: WATERHOUSE GEORGE
IPC: D01D5/42
Filed: 1968-07-24
Abstract: 1,273,733. Producing filaments with surface fibrils from laminates. ERNEST SCRAGG & SONS Ltd. 23 July, 1969 [24 July, 1968], No 29993/68. Headings B5B and B5N. Filaments are produced from synthetic organic thermoplastic materials by a process comprising forming a laminate in which the laminµ are of the same or different such materials and are bonded together intermittently, and then stretching the laminate to cause irregular rupture of unbonded parts of one or more, but not all, of the laminµ. The stretching may be supplemented by mechanical operations as, for example, scratching, scoring and scuffing, to promote the rupture. The laminate may be a flat sheet, and is divided into narrow strips before or after stretching. In one embodiment, at least one corrugated lamina 10 has one or more plane laminµ 11, 12 bonded to the crests of the corrugations. When the laminate is stretched, the plane laminµ 11, 12 rupture between the bonds before the corrugated lamina 10 reaches its elastic limit, and fibrils 13 are formed. The original laminate may be produced by extrusion from a multi-orifice die in which the rate of delivery of the material to form the corrugated laminµ is greater than for the plane laminµ. In another embodiment, plane lamina having different tensile strengths are bonded by welding at spaced points, low strength laminµ being outermost, and when the laminate is stretched the outer laminµ rupture between bonds to form fibrils. Exemplified is a laminate including a lamina of a propylene polymer.
Patent GB-455328-A (GB)
Title: Improvements in the manufacture of composite materials
IPC: D06M13/08
Filed: 1935-10-31
Abstract: 455,328. Compound sheet materials; coated fabrics. BRITISH CELANESE, Ltd., 22, Hanover Square, London. Oct. 31, 1935, No. 30073. Convention date, Nov. 9, 1934. [Class 140] A layer or sheet of a thermoplastic composition is united by heat and pressure to a preheated base which has been impregnated with a dihydric or other polyhydric alcohol or substitution derivative thereof, e.g. glycerine, glycol, diethylene or triethylene glycol, if desired in aqueous solution. The thermoplastic composition may comprise a cellulose ester or ether, halogenated rubber, vinyl resins, &c. and, if desired, plasticizers, dyes, pigments, fillers, resins, mineral oils, natural or oxidized vegetable or animal oils, rubber, &c., and may be a loosely-formed layer pressed from powder, e.g. a powder obtained as described in Specification 428,456, [Group III]. Fabrics made by weaving, netting, knotting, or knitting yarns or filaments of silk, wool, cotton, or regenerated cellulose, cotton duck, felt, paper, or cardboard may be coated. The thermoplastic layer may be formed and applied to the base in a continuous operation, e.g. a powder comprising a cellulose derivative and plasticizer with or without rubber is sheeted between heated rolls, and the hot, semi-fluid sheet further heated and pressed into a heated impregnated fabric base. The still hot coated material may be embossed, e.g. to imitate leather. The impregnant may be removed from the finished material by passing through or spraying with water. The products may be veneered on to wood or iron, or used for covering floors, walls, furniture, counters, or containers.
Patent GB-494715-A (GB)
Title: Improvements in sensitising silver halide emulsions
IPC: G03C1/16
Filed: 1937-04-22
Abstract: Silver halide emulsions are sensitized by means of pseudocyanine dyestuffs containing a benzoxazole nucleus containing a phenyl substituent in 6-position.  A suitable dye is that produced by condensing 6-phenyl-2-methylbenzoxazole ethyl iodide with N-ethylthio-6-methoxy-quinoline ethyl iodide in pyridine.  The dyes are prepared by nitrating oxydiphenyl, reducing the nitro-group to an amino-group, effecting ring closure by treatment with an organic acid anhydride to form a phenyl benzoxazole and condensing this to form a pseudocyanine dye in the usual manner.  A sample has been furnished under Sect. 2 (5) of a pseudocyanine dye prepared by condensing 6-phenyl-2-methylbenzoxazole ethyl iodide with N-ethylthio-6-methylquinoline ethyl iodide in pyridine.
Patent GB-672873-A (GB)
Title: Improvements in or relating to mop or like pails
IPC: A47L13/59
Filed: 1947-11-13
Abstract: 672,873. Mop squeezers &c. WEIR, A. R. W. Nov. 25, 1948 [Nov. 13, 1947], No. 30175/47. Class 19. [Also in Groups XVII and XXV] A mop-squeezer to clamp at 1 on to the rim of a mop bucket has a hinged plate 6 slotted at 9 to receive the handle of the mop and ribbed at 10 to bear on the cap 10B of the mop by kicking the plate 6 over and pressing on it with the foot.
Patent GB-364676-A (GB)
Title: Improvements in cable joints
IPC: H02G15/113
Filed: 1930-10-08
Abstract: 364,676. Junction boxes; sleeve couplings. TELEFONAKTIEBOLAGET L. M. ERICSSON, 33, Kungsgatan, Stockholm. Oct. 8, 1930, No. 30192. Convention date, March 24. [Class 38 (i).] The joints in single or multiphase cables are protected by surrounding each with a sleeve of insulating material the ends of which project past the connector a distance according to the voltage of the cable. The tubes are deformed so that channels for cooling fluid are formed. The conductors 5, 6, 7, Fig. 3, of the three-phase cables 2, 3, Fig. 1, are connected by means of sleeve couplings 8, 9, 10. Tubes 11, 12, 13 of insulating material such as oil-impregnated paper surround the couplings. These tubes are deformed in the manner shown in Fig. 3, and are surrounded with a winding 14 of strong impregnated paper and a winding of cord 15 to withstand mechanical forces set up on short circuit. The deformation of the tubes causes channels 16, 17 which facilitate penetration of insulating medium. In a modification for use in cable-end boxes the circulating channels are formed in the connectors. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the modifications shown in Figs. 4 (Cancelled) and 6 (Cancelled) in which sleeves are used for protecting cable-end joints. This subject-matter does not appear in the Specification as accepted.
Patent GB-696117-A (GB)
Title: Improvements in or relating to work transfer mechanism for metal working machines
IPC: B21J13/08
Filed: 1951-12-28
Abstract: 696,117. Forging-machines. WATERBURY FARREL FOUNDRY & MACHINE CO. Dec. 28, 1951 [Jan. 20, 1951], No. 30295/51. Class 83 (iv). Transferring blanks.-A work transfer mechanism for forging machines comprises a rockshaft mounted in the machine frame and an arm secured to said shaft, a finger bar pivoted adjacent one end thereof to said arm, a link pivoted to said frame and to said bar at a point intermediate the ends of the bar, said link being parallel to said arm to maintain said bar in parallel positions throughout its movement, work-engaging fingers on the other end of said bar and means for oscillating said rock-shaft. A machine comprises a frame 10, a die block 11 with a die 12, a cut-off die 13 and knife 15 and a push-out position 14. Transfer mechanism for conveying the work-piece from station 14 to the die 12 comprises a cam-shaft 16 having a cam 17 engaged by a roller 18 on an arm 19 of a three-armed lever mounted on a pivot 20. The arm 21 of said lever engages a spring-loaded rod 24 which passes through an opening 25 in the machine frame. The third arm 30 of said lever is slotted at 31 for receiving a pin 32 engaged by a threaded rod 33, said pin 32 being secured to a forked end 35 adjustably attached to a cross-bar 36. The other end of the bar is connected to a forked member 38 on a rock-shaft 39 which is oscillated by the above mechanism. The rockshaft carries an arm 42 which is pivoted at 43 to a finger bar 44 carrying fingers 49 adjustable in a block 50. A link 46 pivoted at 47 is also pivoted to the bar 44 at 45, the link being parallel to, and the same length as, the arm 42. A set-screw 54 in the arm 42 engages a stop 55 to limit the downward movement of the fingers. In operation, the blank is cut off at 13 and moved to the position 14 by the cut-off knife 15 while the fingers are up out of the way. At the position 14 the cam 17 operates the bar 36 to move the fingers which snap over the blank. The fingers dwell in this position until the blank is pushed out from the knife 15 then they convey the blank along an arcuate path 57 to the die 12. When the blank has moved into the die the fingers return to their uppermost position.
Patent GB-201086-A (GB)
IPC: F16D41/10
Filed: 1922-11-06
Abstract: 201,086. Andrade, C. Aug. 25, 1922, [Convention date]. Differential gearing of the type comprising two friction ratchet clutches is modified so that locking rollers D, D<1> co-operating with two driven elements C, C<1> directly interengage so as to have limited relative displacements. Thus a projection D', Fig. 1, upon one roller may engage a larger recess D<2> in the end of the other. The rollers may be maintained with their axes parallel to the axis of the gear by engagement of necks D<9>, Fig. 12, upon them engaging slotted guide plates B<5>, Fig. 14. To restrain the movements of the rollers, springs F, Figs. 15 and 16, may be arranged to bear upon them residing in recesses A' in the outer peripheral walls of the roller recesses in the driving member A. Alternatively, the springs may be arranged to bear upon the necks D', Fig. 12. The flanged roller ends D<8> may be detachable.
Patent GB-1222698-A (GB)
Title: Method of and device for removing oil from sludge
IPC: B01D17/00
Filed: 1968-06-25
Abstract: 1,222,698. Treating sludge. RIESER & VETTER A.G. 25 June, 1968 [27 June, 1967], No. 30346/68. Heading C1C. Oily sludges are heated and agitated by a fluid under pressure to break up the sludge. When the agitation is stopped the oil and water and sludge separate into layers and can be isolated separately. The heating fluid if used can serve as the agitating fluid.
Patent GB-1157471-A (GB)
Title: Differential Mechanism.
IPC: F16H48/38
Filed: 1966-07-06
Abstract: 1,157,471. Differential gear; friction clutches. BORG-WARNER CORP. 6 July, 1966 [29 July, 1965], No. 30397/66. Headings F2C and F2D. In a limited-slip bevel differential gear, particularly for a private or commercial automotive vehicle or tractor, in which differential action is resisted by at least one cone friction clutch arranged between a side wheel 27 and the differential cage C and loaded by springs and axial differential bevel separating force, the female cone clutch member rotating with the cage comprises an insert I which is axially and radially located within and drivingly connected to said cage. As shown, each of two inserts I, which may be of steel, stamped, turned, spun or ground, comprises a radially inwardly extending flange 55 axially and radially located on respectively an abutment 22 and a spigot 21 of a side wall 11 of the differential cage. Tabs (59) radially inwardly extending from the flange 55 drivingly engage circumferential abutments formed by the intersection of the spigot 21 and holes 23 drilled in the side wall 11. These tabs may, alternatively, be arranged to provide also the radial location of the inserts. Coil springs 47 act axially, through members 45, on the side wheels 27 which are integral with or, as shown, act axially on male coned clutch members 35, the side wheels 27 and the clutch members 35 being splined on coaxial output shafts S. The cage C is cast, e.g. of malleable iron, in one piece or halves, and comprises hubs 13 for bearing support within the axle assembly, and an aperture 19 for assembly of the differential mechanism and for lubricant access. Bevel planets 29 are arranged on a cross-pin 31 retained by a pin 33. The conical surface, 54, of each male clutch member 35 comprises a lubricant distributing spiral groove 35 and each insert I has one or more longitudinal rows of lubricant supply orifices 63. In Fig. 8 (not shown), instead of employing the tabs 59, the inserts I are bonded to the walls 11 by weld material in some or all of holes in the cage side walls. In Figs. 3, 4 (not shown), the inserts are drivingly connected to the cage by tabs formed by longitudinally extending channels (69) formed in the inserts and engaging circumferential abutments formed by the intersections of annular ridges (65) on and holes (23a) in the cage side walls. The channels (69) open into the conical clutch surface of the inserts and form lubricant pockets. The Figs. 5 and 6 (not shown) embodiments are similar to that shown, but the springs, respectively coil and Belleville, are interposed between the side wheels and the male clutch members, a reaction thrust block being provided between the side wheels. In Fig. 7 (not shown), the driving connection between each of the inserts I and the cage C is provided by one or more serrations on a tubular spigot (87) of the insert engaging corresponding serrations in the bore of the hub 13. Alternatively, the spigot (87) and the hub 13 may be brazed or welded together.