baber/WOPTO huggingface dataset:
Patent GB-684746-A (GB)
Title: Improvements in or relating to readjustable thread gauges
IPC: G01B3/40
Filed: 1951-09-04
Abstract: 684,746. Linear-dimension gauges. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Sept. 4, 1951 [Dec. 2, 1950], No. 20877/51. Class 106 (ii). A fixed calliper-type gauge for measuring screw-thread diameters comprises " go " and "no go " gauging surfaces with a limited adjustment for taking up wear. The gauge comprises a U-shaped body 1 containing a member 5 with a gauging surface shaped in conformity with the screw-thread as shown at 9 in Figs. 3 and 4, and a second member 11 provided with grooved rollers 15, 16 held in place in recesses by means of screws 17, 18. The part 10, Fig. 4, is extended beyond the roller 15 to co-operate with the " no-go " roller 16 as shown in Figs. 2 and 3 together, the part 10 being machined to the mean diameter of the thread. Adjustment of the rollers and member 11 relative to the member 5 is effected by means of a wedge-shaped third member 7 which is machined with a slope of the order of 1 in 500 and may be provided with a vernier type engraved marking 34 to indicate the adjustment made. A screw 25 serves to advance the member 11 along the wedge 7, the members being held in position by the various locking screws shown in Fig. 1.
Patent GB-335653-A (GB)
IPC: B60T13/06
Filed: 1929-07-08
Abstract: 335,653. Eclipse Machine Co. Dec. 27, 1928, [Convention date]. Actuated by running axle or wheel.-Motion is communicated from a member 22 driven bv a rotating part of the vehicle to the brakes by two relatively movable members, one such as an internally threaded sleeve 24, being adapted for both longitudinal and rotary movement to apply the brakes during forward travel of the vehicle and the other, such as a non-rotatable threaded shaft 25, moving axially to apply the brakes during reverse travel. The drive shaft 12 of the vehicle drives by sprocket wheels 10, 16 and a chain 17 a hollow shaft 18 journaled in the brake housing 15 and carrying a friction clutch member 21. The other member 22 of the clutch is splined upon a hollow sleeve 24 internally threaded for a portion of its length and mounted on a threaded shaft 25 slidably mounted in a rearwardly extending closure member 26 of the housing and prevented from rotating by splines 27. At its forward end the shaft 25 telescopes loosely within a brake-operating plunger 28 and antifriction thrust bearings 29, 31 are interposed between the ends of the sleeve 24 and the closure member 26 and plunger 28 respectively. The rear end of the threaded shaft 25 rests against a screwed plug 40 which is so adjusted that normally the forward end of the shaft seats against the bottom of the recess in the plunger 28. Depression of the brake pedal rocks an arm 32 through a yielding connection 34 and through push bars 37 and an antifriction bearing 39 moves the clutch member 22 into engagement with the driven clutch member 21. If the vehicle is moving forwardly the sleeve 24 threads itself forwardly on the shaft 25 moving the plunger 28 to apply the brakes. If the vehicle is moving rearwardly the shaft 25 moves forwardly and actuates the plunger. The pitch of the threads is such that when the brake pedal is released the usual brake releasing springs will return the parts to the normal position. The sleeve 24 and shaft 25 may be of different materials, e.g. steel and brass to lessen the co-efficient of friction. Longitudinal grooves may be formed in the shaft 25 and plunger 28 to prevent oil &c. becoming trapped in the recess of the plunger.
Patent GB-315198-A (GB)
IPC: C13K13/00
Filed: 1929-07-08
Abstract: 315,198. Holzhydrolyse Akt.-Ges., (Assignees of Bergius, F.). July 7, 1928, [Convention date]. Glucose &c. - Wood sugar formed by the hydrolysis of wood and other substances containing cellulose with hydrochloric acid, is purified from hydrochloric acid by treating the loose crude product, obtained by drying in the atomized condition, with organic solvents, causing it to sinter by gentle heating and separating the solvent by decantation or by the addition of a small amount of water. The solvent used may be alcohol and benzene, and if chlorides are also present in the dry sugar, chlorine ions may be removed by adding fairly concentrated sulphuric acid to the solvent.
Patent GB-308939-A (GB)
Title: Improvements in or connected with heels for boots and shoes
IPC: A43B21/06
Filed: 1928-07-19
Abstract: 308,939. Tennick, P. M. July 19, 1928. Drawings to Specification. Protectors, construction of.-The breast edge of the heel at the tread face is curved outwardly to the outside corner to facilitate drainage of water, mud, &c. picked up by the heel in walking, and to prevent splashing the wearing-apparel. The top lift may be cut away for a portion only of its depth or the full thickness may be trimmed and the inner edge and tread face may have ridges, depressions, or grooves leading to the outer corner or outer edge of the heel to increase the drainage effect.
Patent GB-224867-A (GB)
Title: Improvements in machine guns with exchangeable barrels
IPC: F41C7/11
Filed: 1924-09-05
Abstract: 224,867. Aktieselskabet Dansk Rekylriffel Syndikat. Nov. 12, 1923, [Convention date]. Machine guns.-Guns of the kind having a trigger-plate 1 which can be turned down about a hinge 4 on the gun casing 3 to permit of changing the barrel are provided with a cut-away bolt 5 which is rotatable through 180 degrees in the gun casing so as to engage a semicircular recess 16 in the trigger-plate to lock the parts in the position shown in Fig. 1. Fig. 4 shows the bolt turned so as to release the parts. To prevent the bolt being withdrawn, a spring plunger engages a groove in the bolt.
Patent GB-745459-A (GB)
Title: Means for protecting cyclists' trousers from contact with adjacent cycle parts
IPC: A41D27/14
Filed: 1953-07-29
Abstract: 745,459. Cyclists' trouser-clips. WORTHINGTON, C. A. July 27, 1954 [July 29, 1953], No. 21063/53. Class 141. [Also in Group XXV] A cyclist's trouser-protector comprises a shield of substantially rigid sheet material shaped to overlie and protect part of the trouser leg from contact with adjacent cycle parts, and clip means, either permanently or detachably secured to the shield, for securing the shield to the trouser leg. The shield 1, Fig 3, is detachably connected to a conventional trouser clip 4 which is threaded through loops 5 joggled out of clips 6. Alternatively, the trouser clip may be threaded through pairs of parallel slots or eyeletted apertures in similar positions in the shield to those of the clips 6.
Patent GB-815804-A (GB)
Title: Improvements relating to masked spraying
Inventor: DEBELL ERNEST ALFRED
IPC: C23C4/01
Filed: 1956-07-06
Abstract: <PICT:0815804/III/1> Flowable materials are sprayed to cover a sharply defined area on a support, by using two masks, spaced from each other in the direction of the spray, the first mask intercepting the marginal portions of the spray, and the second being arranged adjacent to the support for intercepting any stray particles of spray material outside the defined area.  As shown, both masks are frusto-conical, the first mask c having the aperture in its smaller end nearest the spray gun a, while the corresponding aperture in the second mask d is closely adjacent to the support e which receives a sharply-defined coating f.  The masks are supported in fixed relationship to each other by struts g, and are maintained in alignment with the spray gun, which is supported in predetermined position relative to the body e, by means not shown.  The masks, which are self-cleaning, may be used to apply silver material to ceramic capacitor bodies.
Patent GB-317397-A (GB)
Title: Improvements in devices for measuring the velocity and the quantity of liquids or gass
IPC: G01P5/14
Filed: 1929-07-09
Abstract: 317,397. Svenska Ackumulator Aktiebolaget Jungner. Aug. 15, 1928. [Convention date]. Drawings to Specification. Electromagnets. -In an electric measuring device employing an electromagnet, the iron core and armature may be made of iron with a low carbon content but a high percentage of silicon, and may be divided into pieces separated by non- magnetic washers.
Patent GB-1288178-A (GB)
IPC: E21B43/28
Filed: 1971-04-19
Abstract: 1288178 Solution mining ALLIED CHEMICAL CORP 19 April 1971 [4 Feb 1970] 21115/71 Heading E1F In the solution mining of an underground salt deposit using an aqueous solvent, a pressurised layer of water-immiscible petroleum liquid is maintained above the solvent in the mined cavity, the deposit being mined upwardly by periodically lowering the pressure of, and thereby raising the level of, the petroleum liquid in the cavity without moving the solvent feed or brine removal pipes. In the method described a well 9, Fig: 1, is drilled through the deposit 4, e.g. to a point 500-600 feet below the top of the deposit, and cased with casing 1. Well 9 is then extended into the deposit, e.g. to a depth of 4000 feet. Solvent feed pipe 5 is inserted to within 75-100 feet of the well bottom, and brine outlet pipe 7 is inserted to within, for example, 50 feet of the well bottom. Water is fed down pipe 5 to dissolve salt and force brine up pipe 7. Pressurised petroleum liquid 14, e.g. crude oils is fed downwards between casing 1 and pipe 5. The salt is then mined, Fig. 2, to form cavity 17, for example of 300 feet diameter, the petroleum liquid forming a pad 19 at the top of the cavity. To effect upward mining the pad 19 is raised in 50 feet increments. The solvent feed rate is increased as the cavity volume increases. The petroleum liquid may have a specific gravity of 0.7 to 1.0, and may be maintained in the cavity under a pressure, at the ground surface, of 50 to 1000 p.s.i. The aqueous solvent may be fed into the cavity at such a rate that it forms unsaturated brine and lifts insoluble matter from the cavity, the brine being passed down a developed well where the insoluble matter is deposited and from which the more concentrated brine is removed. (For Figures see next column)
Patent GB-296875-A (GB)
Title: An improved powder for cleaning silver, plate and brass
IPC: C11D7/60
Filed: 1927-08-11
Abstract: 296,875. Rawlinson, G. Aug. 11, 1927. Metal polishes especially suitable for silver and brassware consist of about 4 1b. of precipitated chalk, 2 fl. oz. of fluid ammonia, and ¢ oz. of Reckitt's blue powder. According to the Provisional Specification chalk and ball blue alone are mixed.
Patent GB-911007-A (GB)
Title: Improvements in or relating to a method of securing inserts in sheets of electrical insulating material
Inventor: PRESTIGE HARRY THOMAS
IPC: H05K13/04
Filed: 1960-06-17
Abstract: 911,007. Rivets &c. BELLING & LEE Ltd. June 9, 1961 [June 17, 1960], No. 21302/60. Class 89 (1). [Also in Group XXII] A rivet 3 for connecting electrical components to circuit boards 17 &c. is secured to the board by disposing the rivet and a die 11 on opposite sides of the board, softening the board by means of heat, and applying pressure until the rivet punches a hole through the board. The rivet may be solid or slotted as described in Specification 869,037, and have serrations 6, the ends of which are riveted over at 20 by the die, which is surrounded by a heating coil 14 for the board. The methods described in Specifications 892,510, 892,554 and 893,996 may be used in securing the rivet.
Patent GB-1342647-A (GB)
Title: Process for the preparation of polypropene compositions in the  form of a powder which can be processed into products of  fallin-weight impact strength
IPC: C08F297/08
Filed: 1971-04-19
Abstract: 1342647 Polypropylene compositions SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 19 April 1971 [10 Feb 1970] 21315/71 Heading C3P Polypropylene compositions comprising (A) isotactic polypropylene of intrinsic viscosity of 1 to 4À5 dl/g. and (B) rubbery ethylene/propylene copolymer containing 20 to 90 weight per cent of ethylene, the weight ratio of B to A + B being 0À08 to 0À20 and the composition having a melt index of 0À1 to 15 measured at 230‹ C. according to BS 2782 Part I, are prepared by preparing the polymers by suspension polymerization in a liquid diluent, mixing the suspensions during or after preparation and separating the diluent, polymer A being prepared by polymerization in the presence of a catalyst comprising (C) an organometallic compound and (D) a component prepared by mixing a dialkyl aluminium chloride and titanium tetrachloride in a molar ratio of 0À5 to 1À2 in a paraffinic diluent with stirring at a temperature below -5‹C. and subsequently raising the temperature to 70 to 200‹ C. with continued stirring. Preferably B is prepared in a suspension of A containing still active catalyst, but it may be prepared separately with a similar or different catalyst. Preferred diluents are C 4-10  alkanes. The catalysts may be dosed with very small amounts of water during the polymerization and hydrogen may be used as molecular weight regulator. The process may be effected batchwise or continuously and examples describe the continuous successive polymerizations of propylene and ethylene/propylene mixtures in the presence of diethyl aluminium chloride and titanium trichloride prepared from titanium tetrachloride and diethyl aluminium chloride. The products can be processed into products of improved impact strength.
Patent GB-457649-A (GB)
Title: Improved means for attaching ropes, cords or wires to poles or other supports
IPC: D06F53/04
Filed: 1936-08-01
Abstract: 457,649. Clips and clamps. WIEDERHOLT, V., 74, Westfalendamm, Dortmund, Germany. Aug. 1, 1936, No. 21347. Addition to 449,509. [Class 44] The clamping device described in the parent Specification is modified by forming the movable member as a bifurcated resilient hoop 4 with hook-shaped ends. The yoke of this member passes through a hole 6 in the pivoted hand lever 1 and when the lever is rotated past its dead centre the hooked ends clamp the rope against the parallel tapered flanges 5. A projection 9 on the casting 3 prevents the rope from falling when it is not clamped.
Patent GB-1010077-A (GB)
Title: Improvements in or relating to a method for producing purified titanium tetrachloride
IPC: C01G23/02
Filed: 1964-05-22
Abstract: Vanadium-containing titanium tetrachloride is purified by (a) preparing a mixture of the crude compound with at least 1.8 parts by weight TiCl3 and 0.2 to 3 parts by weight white mineral oil for each part of VOCl3 contained in the TiCl4, (b) agitating and heating the mixture at above 120 DEG  C. for at least 5 minutes and (c) distilling the purified TiCl4.  Suitably, the mixture is prepared by chlorinating a titanium ore in the presence of excess reducing agent, e.g. carbon, or a deficiency of chlorinating agent, so that the TiCl4 produced contains at least 0.5% TiCl3, and adding white mineral oil to the reaction mixture without purification. The purified TiCl4 contains no more than 0.01% by weight of VOCl3.
Patent GB-841935-A (GB)
Title: Continuous mixer
IPC: B01F7/16
Filed: 1958-07-03
Abstract: 841,935. Continuous mixers. FARBENFABRIKEN BAYER A.G. July 3, 1958 [July 3, 1957], No. 21398/58. Class 86 In a continuous-discharge upward-flow apparatus for bubble-free mixing of fluids when differences in quantity may be large and viscosity of the main component greater than that of the secondary fluid, or where the mixture has a tendency to solidify, the main component enters by a pipe 9 into an axial duct 4, into which the secondary fluid is introduced through a needle valve 8. A rotating disc stirrer 3 has blades 5 which act centrifugally and draw in the fluids from the duct 4 thus avoiding back pressure which might cause the main component to pass into the supply pipe of the secondary fluid. Disc 3 also carries blades 6 which act centripetally and which extend beyond the periphery of the disc. The mixture discharges through outlet 7. The housing 1 may be separated into two parts 1a and 1b by means of a bayonet joint 10.
Patent GB-856509-A (GB)
Title: Driving device for the carriage of a log-sawing machine
Inventor: SAISON ROLAND
IPC: B27B29/08
Filed: 1959-06-23
Abstract: 856,509. Sawing. ETABLISSEMENTS GUILLIET COMMERGNAT-GUILLIET & CIE. June 23, 1959, No. 21434/59. Class 145. [Also in Group XXIX] The log carriage of a saw is driven by a hydraulic motor 46 connected to a winch drum 6a on which are wound several turns of a cable 7 attached to fixed points beyond each end of the carriage. To supplement the starting torque of the motor, a hydraulic jack 46 is pivoted to the carriage at 49 and connected to a friction shoe which engages the drum and applies a starting thrust, over about the first 90 degrees of rotation. As shown in Fig. 3, the shoe 51 is pivoted at 63 on an arm 52 which is mounted with friction on the motor shaft 53 and operates between two stops 54, 55. The shoe has two rounded portions 51a, 51b, so that it can cat in both directions of rotation and, on extension or retraction of the jack, it pivots about 63 into wedging engagement with a groove in the winch drum and applies a tangential thrust until the stop 54 or 55 is reached. As shown in Fig. 6, the winch shaft 89 supports a drum 80 within which shoes 81 are pivoted at 82 and an adjusting screw 83 spreads the shoes lightly into engagement with the drum 80. A member rotatable on the boss of the drum 80 carries the pivot 82 and also a cam plate 87a on a shaft 87 which is connected by an arm 90 to the jack piston rod 47a. Movement of the rod 47a expands the segments into locking engagement with the drum 80 and an additional force is applied to the drum 80 and to the winch drum until the jack comes to the end of its stroke. The member carrying the pivot 82 and the shaft 87 continues to rotate, as a result of the friction between the segments and the drum, and the drum and the shaft 87 rotates in the opposite direction to restore the cam plate 87a to its original position and withdraws the segments to the extent that they rub only slightly on the drum. Stops 91, 92 ensure that the cam plate comes to rest in this position. The jack may be arranged to have a complementary stroke beyond both limits of its normal stroke so that it can apply the segments to act as brakes on the movement of the carriage. The double-acting jack 47 can be replaced by tandam jacks or by separate jacks for the forward and return strokes. Hydraulic pressure from a pump 10 and accumulator 12 are supplied simultaneously to the motor 46 and jack 47 through an adjusting valve 62, a reversing valve R and, for the forward stroke of the carriage, through an adjusting valve 60 which, on the return stroke of the carriage, is by-passed by a non-return valve 61. A pipe 76 leads to means for operating the gripping dogs on the carriage.
Patent GB-567831-A (GB)
Title: Roller carriages for spirally guided gas holders
IPC: F17B1/00
Filed: 1943-12-21
Abstract: 567,831. Gas holders. HORSELEY BRIDGE & T. PIGGOTT, Ltd., MARTIN, J. W., and HARPER, W. A. Dec. 21, 1943, No. 21435. [Class 54] In roller carriages, the roller is mounted on a spindle carried in sleeve surrounded by a box-like structure forming a reservoir for lubricant. The structure is formed by welding a pair of angle-irons 10, 11, and the reservoir by cross-partitions. The sleeve 14 projects through and is welded to the vertical walls and carries the spindle 20 held in place, with end play, by a nut 24. The end of the spindle carrying the nut is enclosed in a cylinder 25 welded to the wall 10 and drains through passages 27, 28 into the bottom of the reservoir. The spindle is provided with internal passages 23 and the sleeve with apertures 19, the reservoir being replenished through an opening 16.
Patent GB-164981-A (GB)
Title: Improvements in or relating to book-carriers
IPC: A45F5/12
Filed: 1920-07-16
Abstract: 164,981. Maguire, M. July 16, 1920. Parcel and like carriers. -A book - carrier comprises a flexible band 6, Fig. 2, adapted to pass round the outside of the book and provided with clips 1, 2, adapted to engage detachably the free front edges of the cover, the clip 2 being adjustable along the length of the band. The free end 8 is passed through a ring 9 secured to the other end of the band, to form a carrying-means. The free end 10 serves as a book-mark, or a cord 11, Fig. 5, extending from the ring end of the band to a clip 12 placed on the top of the cover, may be employed for this purpose. In a modification suitable for portfolios &c., a transverse flexible band is employed in addition to the flexible band 6, which is arranged to pass through loops in the transverse band, and the carrying-loop 8 is furnished with a stiffener of wood &c. Either or both clips may be made to extend the whole width of the cover and suitably provided with cross-slots so that the band lies between the clips and the cover.
Patent GB-728349-A (GB)
Title: Improvements in or relating to pressure devices for cinematographic films and like moving webs
IPC: G03B27/08
Filed: 1953-08-04
Abstract: 728,349. Photographic processing apparatus. TECHNICOLOR MOTION PICTURE CORPORATION. Aug. 4, 1953 [Oct. 24, 1952], No. 21462/53. Class 98 (2). [Also in Group XVI] A pressure assembly for a moving web comprises a rotor 60, Fig. 3, and an annular roller 70 mounted thereon for pressing on the web, the roller 70 being unconnected to the rotor so as to float freely thereon, both the rotor and the roller having axial bearing surfaces 66, 76 which limit axial movement of the roller relative to the rotor, the rotor and roller also having respectively external and internal bearing surfaces 65, 75 which limit radial movement of the roller relative to the rotor, the axial bearing surfaces 66, 76 having axial clearance therebetween and the diameter of the internal circumferential bearing surface 75 of the roller being greater than that of the external circumferential bearing surface 65 of the rotor so as to provide diametrical clearance therebetween, whereby the roller may tip relative to the rotor so as to maintain a uniform pressure across the web without shifting substantially edgewise of the web. The rotor comprises a bearing 61 with a web 62 to which are bolted rim members 63 with shoulders 64 on which surfaces 65, 66 are formed. The roller 70 has tongues 71, on which surfaces 76 are formed, fitting with small clearance (about <SP>1</SP>/ 32  inch) between shoulders 64. Annular plates 74 are bolted to the roller with their outer surfaces flush with the roller surface, holding in place two notched plates 80. The surfaces 75 are formed on the inner surfaces of plates 74, 80, the internal diameter being about # inch greater than the greatest diameter of the rotor. This allows the roller to tip relative to the rotor without substantial axial displacement. The roller may be used in the imbibition printing apparatus shown in Fig. 1, wherein a gelatin relief matrix film strip M soaked with dye and a blank gelatin coated film B are fed into register on a pin belt P having teeth T engaging the sprocket-holes of the films. The films are seated on the belt by rollers 24, 26, 30, 34, 35 backed by rollers 25, 27, 36, and then pressed into intimate contact between roller 1, which is of the kind shown in Fig. 3, and a roller 14, the teeth T engaging the notches in plates 80 of roller 1. Pressure is applied to rollers 1, 34, 27, 25 by air cylinders 12, 32, supplied by air pipes 37, 42, 43, 44. Each cylinder has a meter 41 for adjusting the pressure by means of valves 40, the pressure being greater on roller 1 than on the other rollers. A light source 46 and pick-up 47 operate a time-delay relay 48 when a metal splice passes through the light-beam. After a delay, relay 48 operates an electric valve 38 in the air supply to remove pressure from the rollers while the splice is passing through the apparatus.