baber/WOPTO huggingface dataset:
Patent GB-315516-A (GB)
Title: Improvement in blowing devices for rock drills
IPC: E21B21/01
Filed: 1928-05-18
Abstract: 315,516. Marks, E. C. R., (Ingersoll- Rand Co.). May 18, 1928. Percussive tools. - For the purpose of using pressure air to clear the bore hole, a handoperated rotary plug valve d mounted in the valve chest is adapted when turned into the position shown to admit air from the main inlet port P by way of ports f, g, to one end of the valve ,chest, so that the valve is held at the opposite end and pressure air passes continuously to the front end of the cylinder and thence to the bore hole. The valve is turned by a lever r and held by a spring plunger w. In the normal operation .of the drill the distributing valve is reversed bv pressure, air from the cylinder acting alternately through passages X, Y, which air afterwards leaks away through ports Z, b, respectively. Plugs U in the ends of the valve chest limit 'the travel of the valve.
Patent GB-1521960-A (GB)
Title: Rotary piston machine
IPC: F01C17/06
Filed: 1975-10-01
Abstract: 1521960 Rotary positive-displacement fluid-machines G S WILSON 1 Oct 1975 [3 July 1974] 14700/74 Heading F1F In an I.C. engine generally similar to that described in Specification 1289479 with two pivotally inter-connected pairs of pistons 3, 4, Figs. 6 and 7, the latter are kept in sealing engagement with the inner peripheral wall 1 of the casing 19 by mechanism 20 comprising a crank member, or eccentric, 21 driven by a planet gear-wheel 26 meshing with a fixed sun gear-wheel 28, which is co-axial with the output shaft 5, the gear-wheel 26 being mounted on a flywheel 50 secured to said shaft. A lever 190 pivotally attached to the flywheel at 194 is pivotally connected at 192 to a connecting rod 22 engaging with the member 21 and at 66 to a coupling member 333, which is fixed to one of the pistons. A similar mechanism is connected to the diametrically opposite side of the group of pistons and another pair of such mechanisms is provided on the axially opposite side of the pistons, Figs. 8 and 13 (not shown). Lubricant passageways 195, 215, 225 extend through the connecting rod, lever, crank member. Radial and axial seals 60, 80, 84 are provided in the pistons. The aforementioned pair of mechanisms may be modified so that the connecting rods are inter-connected by a linkage system of the pantograph type, Fig. 4 (not shown). In another modification, Fig. 5 (not shown), the lever of each mechanism is pivotally attached at one end to the flywheel, at the other end to the respective piston, and in the middle to the connecting rod. In a simpler form the connecting rods are pivotally connected directly to the corresponding pistons, Fig. 3 (not shown). Alternatively, each of at least two of the pivotal connections 6 between the pistons is connected to a respective mechanism 10, Fig. 1, comprising a crank member 11 connected to the shaft 5 by epicyclic gearing, Fig. 2 (not shown), so as to revolve at three times the speed of said shaft, a connecting rod 12, and a "slider" 14 in a slideway 15, secured to the shaft. A pivotal connection 13 between the connecting-rod and slider is not coupled with the adjacent connection 6. The engine may be adapted to operate as a compressor, pump, or motor, which may be hydraulic or pneumatic.
Patent GB-496236-A (GB)
Title: Improvements in or relating to settling-tanks or thickeners
IPC: G01R23/02
Filed: 1937-05-27
Abstract: 496,236. Gravity-separation apparatus; filters. WUENSCH, C. E. May 27, 1937, No. 14778. Convention date, May 28, 1936. [Class 46] Blades 20 which move matter settled on the floor of a tank to a central sump 3 are connected to radial arms 16 by members 44, hinged at either end, and brace rods 45, Fig. 2, threaded to receive nuts 46, 47, the arrangement being such that the blades adjust their inclination and vertical position in accordance with the load. The arms 16 are attached to a shaft 6 which extends upward through the bottom of the tank, joint being made by a mercury seal in a pan 12. The lower end of the shaft is supported in a bearing 7 and the shaft is driven by gearing 8, 9. The outer ends of the arms may be provided with wheels 18, which run on a track 19. The material under treatment is supplied to the tank by a launder 27. Scum is collected by a trough 33A, which is connected to one of the arms 16 by rods 29, 30 and supported by a float 34. The scum is discharged by a flexible pipe 36 into a receptacle 37, attached to the shaft 6, and withdrawn through a suction pipe 38. Filter cloth is arranged over the perforated wall 49 of an annular compartment 39 and liquid is filtered as it is discharged from the settling-tank through the compartment. The compartment has a vertical baffle 51, a pipe 40 for the discharge of liquid, and a pipe 41 through which air under pressure is supplied at intervals to detach the solid matter collecting on the filter cloth. The compartment 39 may be divided into independent segments. The Specification as open to inspection under Sect. 91 comprises also the provision of valves at the ends of the pipes 40, 41, which valves are operated automatically by a float in the compartment 49, and the augmentation of the available filtering area by the provision of hollow filtering leaves extending along within the wall 49, filtrate from the interior of the leaves being passed to the compartment 49. This subject-matter does not appear in the Specification as accepted.
Patent GB-1358385-A (GB)
Title: Systems for controlling the speed of an automotive vehicle especially of a train
IPC: B61L3/00
Filed: 1971-05-13
Abstract: 1358385 Train control REGIE AUTONOME DES TRANSPORTS PARISIENS and INTERELEC 13 May 1971 [13 May 1970 (2)] 14783/71 Heading B7N [Also in Division G3] In a system for controlling the speed of a train safety means are provided which supply an emergency slowing down order when the train exceeds its programmed speed. A speed control voltage e selected in accordance with the programmed speed derived, e.g. as described in Specifications 1,248,941 and 1,248,942 is applied to a comparator 109 to which a sawtooth signal 110 generated in unit 111 from a square wave signal supplied from multivibrator 113 is also applied. Comparator 109 supplies a pulse train 108 having pulse widths which are a function of the voltage e to a modulator 103 which is also supplied with a carrier signal 105 from unit 19. The modulated signal is supplied via demodulators 104 to the braking units 100 of the train. The safety means includes ramp signal generator 4 which supplies a saw-tooth signal which is returned to zero each time a pulse 7 is produced when the train has travelled a set distance defined, e.g. by crossovers in a line-side cable or by a set number of revolutions of a train wheel. The sawtooth signal is applied to a comparator 10 with a fixed voltage signal from unit 11 selected in dependence on the programmed speed. If the train speed is less than the programmed speed the ramp signal has time to rise to a value above that of the fixed voltage and the comparator supplies a square wave signal which when rectified in unit 18 supplies a D.C. signal u to maintain the carrier oscillator 19 in operation. If the train speed is greater than that of the programme each ramp signal is returned to zero before it reaches the fixed value voltage, the square wave signal 17 is cut off and unit 19 ceases to supply a carrier signal. The units 104, 100 in response to the absence of a control signal apply emergency braking until the speed drops to level below the required value.
Patent GB-345149-A (GB)
Title: Apparatus for decomposing water into hydrogen and oxygen gases
IPC: C01B13/02
Filed: 1930-05-14
Abstract: <PICT:0345149/III/1> Apparatus for decomposing water vapour into hydrogen and oxygen consists of a vessel A in the cover 8 of which is secured a nest of three concentric tubes 7, 6, 22, the space between the tubes 6, 7 being filled with heat-insulating material or evacuated. Water contained in the vessel A passes through small holes 9 into the space between the tubes 6, 22 wherein it is heated by an electrically heated wire 13 contained within the tube 22.  Water vapour passes into the interior of a dome 24 where it is decomposed by a second electrically heated wire, the gases being withdrawn by suction through a pipe 17 provided with a spring-controlled, pressure-relieving valve 11.  A perforated plate 10 is provided to separate any condensed water in the water vapour, and a constant-level float 14 may be provided within the vessel A.  The mixture of hydrogen and oxygen produced may be employed in connection with internal-combustion engines.
Patent GB-654455-A (GB)
Title: Improvements in or relating to moulding presses
IPC: B30B11/00
Filed: 1948-06-01
Abstract: 654,455. Moulding-presses. GENERAL ELECTRIC CO., Ltd., and HARRISON, W. June 1, 1948, No. 14799. [Class 87 (ii)] In a press for moulding insulating or other material including a vertically-moving head, top table or like press part 2 which co-operates with a fixed bottom plate 1 to mould an article, the article being subjected also to horizontal pressure by means which move one or more side clamps 4 towards the article, movement of the head 1 aids the said means. As shown, the means that operate the clamps comprise toggles having links 8, 7, the link 7 being pivoted on a fixed support 10. The joint 9 of each toggle is connected to the piston rod 12 of a hydraulic cylinder 11 in which a constant pressure exists, the cylinder 11 tending to pull down the joint from the position shown to straighten the toggle and apply inward pressure to the article. The head 1 is hydraulically operated, and aids the cylinders 11, to provide an additional thrust on the joint 9, by means of link 15 connected to a cylinder 14 in which a constant hydraulic pressure is maintained from a supply source through pipes 14b. The piston 17 of cylinder 14 has a rod 16 which extends through a hole in head 2. Around the rod is a distance piece 18, and a crossbar 19 fixed to head 2 bears on the distance piece. When the head descends a thrust is transmitted through distance piece and piston to the joint 9, thus supplementing the thrust given by cylinder 11. When the head rises the crossbar 19 abuts nuts &c. 20 on rod 16 to break the toggle. In a modification (not illustrated) the cylinders 14 and rams 17 are replaced by springs.
Patent GB-978218-A (GB)
Title: Device for continuously measuring the difference between the conductivities of materials
Inventor: CHENOUARD JEAN
IPC: G01N27/02
Filed: 1962-04-17
Abstract: 978,218. Determining relative quantities of fluid mixture constituents. COMMISSARIAT A L'ENERGIE ATOMIQUE. April 17, 1962 [April 24, 1961], No. 14822/62. Heading G1N. In an arrangement for continuously measuring the difference in the conductivities of two liquids respectively passing through two conductivity cells 1 and 3, a signal representative of the difference is developed in a first bridge including the cells and the primary windings 12, 15 of a transformer 13, and is measured in a second bridge circuit, including the secondary winding 28 of transformer 13, wherein it is compared with an adjustable voltage applied to a transformer 34. Three ranges of sensitivity are provided for in both bridges by switchable resistors 24, 30, 36, 43 and resistors 6, 9 provide for the elimination of unbalance due to cell differences. A calibrating procedure is described. The apparatus is described with reference to a system for determining the oxygen content of a water oxygen solution in which the solution is passed through column 2 containing a reagent such as thallium which combines with the oxygen to yield a soluble and ionised hydroxide after passing through the first cell and before being admitted to the second. The temperatures in the two cells should be maintained the same or temperature compensation such as provided by the inclusion of a transistor in the circuitry may be included.
Patent GB-684837-A (GB)
Title: Improvements in or relating to setting fabric of synthetic linear polyamide fibre yarns
IPC: D06M11/83
Filed: 1949-06-03
Abstract: Fabrics containing synthetic linear polyamide yarns are heat-set by immersion in mercury at a temperature between 25 DEG  C. below the melting point of the polyamide and 160 DEG  C., while the fabric is held extended by mechanical means.  Specified polyamides are polyhexamethylene adipamide, polyhexamethylene sebacamide, polypentamethylene sebacamide and polyethylene octadecanedioic diamide.
Patent GB-712949-A (GB)
Title: Improvements in or relating to steam traps
IPC: F16T1/24
Filed: 1952-06-13
Abstract: 712,949. Hinged valves. GRAEFE, P. June 13, 1952 [June 15, 1951], No. 14954/52. Class 135. [Also in Group XIII] In a float-controlled steam trap, a box-like housing n has projections o slidingly located in guiding grooves f and loosely encloses on three, four or five sides a prismatic or cubic element p which normally shuts off an outlet aperture r. When condensate raises the float h and its lever g, however, a pin k connected to the lever moves in a slot l in an arm m secured to the housing n so that this housing ti'ts about the projections o (see Fig. 2) and the shut-off element p is tilted and moved to one side of the aperture r. The grooves f are formed in a guideway e to which is secured a bolt i forming a pivot for a forked end of the float lever g. A lug s at the end of the arm m coacts with the junction of the fork at the end of the lever g to execute the final opening movement of the valve. In a modification, Fig. 4 (not shown), the float lever is of bell crank form pivoted above the level of the housing n with a float arm extending above the housing and a smaller arm extending down by the side of the housing. The smaller arm bears the pin for movement in the slot of the housing arm m which is secured in this case to the housing n, beneath the lever pivot, on the same side as the projections o. Raising of the long arm of the float lever causes the smaller arm to depress the arm m and tilt the housing n. A lug on the housing arm m pushes the housing and shut-off element sideways for the final opening movement. The levers may be modified so that a trap operates with the sliding plate in a non-horizontal position.
Patent GB-119902-A (GB)
Title: Improvements in the Consolidation of Leather Scrap or Refuse together with Crude or Waste Rubber.
Inventor: WATKINS JAMES LOGAN
IPC: C08L19/00
Filed: 1917-10-16
Abstract: 119,902. Watkins, J. L. Oct. 16, 1917. Fibrous plastic compositions.-Relates to rubber substitutes of the kind containing scrap and new rubber, scrap leather, and a cotton or other vegetable fibre, and consists in the inclusion nf kapok. The leather and old rubber are pulverized with the new rubber, asbestos is added in powdered or fibrous form, and the whole is mixed with oil and kapok fibre. There may also be added either or both a jute fibre and a silk fibre, and a metallic oxide, as well as a vulcanizing agent such as caustic soda or sulphur. The dough-like mixture is rolled into sheets or bars and vulcanized; it may include a colouring agent, and also, for the purpose of making a heavy material, crushed slate or cement. Proportions are given for a typical mixture.
Patent GB-1504725-A (GB)
Title: Process for the manufacture of sulphur trioxide from sulphur dioxide and oxvgen
IPC: B01J23/42
Filed: 1975-04-11
Abstract: 1504725 SO3 preparation; contact process HOECHST AG 11 April 1975 [13 April 1974] 15005/75 Heading C1A SO 3  is prepared by contacting "technically pure" (>80% by volume) SO 2  and "technical" oxygen (>90% by volume) in a tubular heat exchanger in the presence of a catalyst. In the example SO 2  (>99% pure) and O 2  (>99% pure) are reacted using a V 2 O 5 /Al 2 O 3  filler.
Patent GB-629698-A (GB)
Title: Improvements in or relating to dynamo-electric machines
IPC: H02K1/18
Filed: 1947-06-06
Abstract: 629,698. Dynamo-electric machines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. June 6, 1947, No. 15010. Convention date, June 8, 1946. [Class 35] In a stator, particularly for a two pole induction motor, the laminµ make contact with the casing at four points or regions only, these being on diameters parallel and perpendicular to the mounting plane, the feet being secured at two regions 90 degrees apart and mid-way between the contact regions of the laminµ with the frame as shown, the feet are secured to the stator only at points 22, the laminµ being square with rounded corners.
Patent GB-150430-A (GB)
Abstract: 150,430. Babcock & Wilcox, Kemnal, J., and Low, P. A. June 2, 1919. Valves.-Scavenging air is admitted to the cylinder through a valve controlled automatically by the pressures in the cylinder. In the form shown, a main port D for admission of air communicates with an auxiliary port D' through a passage D<2> and valve E urged to open by a spring F. The valve is connected to a piston G working in a chamber H communicating through a non-return valve N with a port M and through a duct K with a port L in the cylinder level with the exhaust port C. When the piston A in performing its power stroke uncovers the port M, the piston G is depressed and valve E closed. When the port L is uncovered, the pressure above the piston is released and the valve opens and remains so until pressure is again communicated to the piston G through port M.
Patent GB-653026-A (GB)
Title: Vitamin preparations
IPC: A61K31/16
Filed: 1948-06-04
Abstract: A multi-vitamin preparation containing essential vitamins including calcium pantothenate is stabilized with respect to the calcium pantothenate by the addition of dibasic magnesium phosphate, talc or skimmed milk powder.  Essential vitamins are A and D, thiamin hydrochloride, ascorbic acid, pantothenic acid and its salts, riboflavin, pyridoxine hydrochloride and niacin or niacinamide. Examples are given of (a) soft gelatine capsules containing the stabilized multi-vitamin preparation mixed with corn oil and excipients such as hydrogenated cotton-seed oil and beeswax to adjust the viscosity, and (b) hard gelatine capsules containing the powdered stabilized multi-vitamin admixture per se.  The Specification as open to inspection under Sect. 91 comprises also stabilization by admixture with any edible, non-toxic, salt of magnesium.  This subject-matter does not appear in the Specification as accepted.ALSO:A multi-vitamin preparation containing essential vitamins including calcium pantothenate is stabilized with respect to the calcium pantothenate by the addition of dibasic magnesium phosphate, talc or skimmed milk powder.  Essential vitamins are A and D, thiamin hydrochloride, ascorbic acid, pantothenic acid and its salts, riboflavin, pyridoxine hydrochloride and niacin or niacinamide.  Examples are given of (a) soft gelatin capsules containing the stabilized multi-vitamin preparation mixed with corn oil and excipients such as hydrogenated cottonseed oil and beeswax to adjust the viscosity; and (b) hard gelatin capsules containing the powdered stabilized multi-vitamin admixture per se.  The Specification as open to inspection under Sect. 91, comprises also stabilization by admixture with any edible, non-toxic, salt of magnesium.  This subject-matter does not appear in the Specification as accepted.
Patent GB-283407-A (GB)
Title: Improvements relating to supporting means for medium voltage electric cables
IPC: H02G7/20
Filed: 1927-06-07
Abstract: 283,407. Berg, F. June 7, 1927. Posts, attachments for.-A mast bracket, for supporting medium-voltage sables, comprises members which extend upwardly and laterally from the mast and form a closed loop for the support of a cable, and a horizontal device which is connected with the looped members and supports other cables. The bracket is attached to the upper end of a post which is preferably of wood but may be made of metal or concrete. In the construction shown in Fig. 1, the loop member consists of two bars b, c having straight stems b', c<1> which are secured to the post a by clips d, e. The upper ends of the bars are joined by a plate g having a supporting-element g<1> for an insulator h which hangs in the line of the mast axis. The loop may be pear-shaped, as shown, or it may be in the shape of an irregular polygon. A horizontal member, carrying other insulators h<1>, h<2> at its ends, is built up of two bars i, Fig. 3, which embrace the post and are attached to the stems b<1>, c<1> by means of angle-irons i<1>. Ties k connect the ends of the bars i to the loop members b, c. These ties are extended upwards and are joined at their unper ends to support a lightning conductor. In a modified construction, the stems b<1>, c<1> are bolted directly to the mast and their ends are bent outwards to support the horizontal member i. In another construction, the member i is attached to the mast directly and to the loop members which are bent outwards for the purpose. In a further construction, the insulators h<1> are carried by the rods which extend downwards from the sides of a pentagonal loop. In the construction shown in Fig. 13, the loop is formed by bending a continuous bar, the stem being bolted to the mast. Insulators are supported directly by the bar.
Patent GB-1367905-A (GB)
Title: Desize-scouring of textiles
IPC: C01B15/16
Filed: 1971-08-19
Abstract: 1367905 Desizing and scouring F M C CORP 19 Aug 1971 [21 Aug 1970] 15204/74 Divided out of 1367904 Heading D1P Greige goods, e.g. cotton goods are desized and scoured by saturating the goods with an aqueous solution of a caustic alkali and a peroxydisphosphate, the goods picking up from 0.25 to 1.0% of their weight of peroxydiphosphate and from 0.5 to 6% of their weight of caustic alkali, holding the goods, and washing the goods with water to remove the chemicals and dissolved matter. The process may take place at temperatures from 150‹F-275‹F and under pressure.