baber/WOPTO huggingface dataset:
Patent GB-885088-A (GB)
Title: Improvements in or relating to a method for continuously carrying out liquid-phase reactions in the presence of a solid catalyst, and apparatus therefor
IPC: B01J47/10
Filed: 1958-03-18
Abstract: <PICT:0885088/III/1> A process for effecting a liquid phase reaction comprises passing the liquid phase upwardly through discrete catalyst particles in a reaction zone of increasing cross-section from below upwards, the liquid phase linear input velocity and the maximum increased cross-section being such that a suspension of the particles is formed in the liquid and a catalyst-free zone is maintained in the top and bottom of the reaction zone.  The invention consists also of an apparatus comprising a vessel, the internal cross-section of which increases from below upwards, the vessel being provided at its base with a vertically disposed inlet tube and at its head with one or more outlet tubes; the vessel may be inverted-cone or frustum shaped, e.g. wherein the vertex angle is 5-60 DEG .  In the preferred embodiment illustrated, reactor 1 is filled with catalyst to level 6 and the reactants introduced by pipe 2 and cock 4, the latter being shut off when the operation is stopped; the products are withdrawn by pipe 3 or 31, the latter starting from an annular gutter 5 into which the liquid overflows. In examples, the method of the invention is applied to (a) hydrolysis of methyl acetate (sulphonic polystyrene resin catalyst (i)), (b) manufacture of butyl acetate (cation exchange resin catalyst in hydrogen form), (c) manufacture of mesityl oxide (catalyst (i)), (d) saccharose hydrolysis (catalyst (i)).ALSO:<PICT:0885088/IV (b)/1> A process for effecting a liquid phase reaction comprises passing the liquid phase upwardly through discrete catalyst particles in a reaction zone of increasing cross-section from below upwards, the liquid phase linear input velocity and the maximum increased cross-section being such that a suspension of the particles is formed in the liquid and a catalyst-free zone is maintained in the top and bottom of the reaction zone.  The process may be effected by an apparatus comprising a vessel, the internal cross-section of which increases from below upwards, the vessel being provided at its base with a vertically disposed inlet tube and at its head with one or more outlet tubes; the vessel may be invertedcone or frustrum shaped, e.g. wherein the vertex angle is 5 degrees-60 degrees.  In the preferred embodiment illustrated, reactor 1 is filled with catalyst to level 6 and the reactants introduced by pipe 2 and cock 4, the latter being shut off when the operation is stopped; the products are withdrawn by pipe 3 or 31, the latter starting from an annular gutter 5 into which the liquid overflows.  In examples, the method of the invention is applied to (a) hydrolysis of methyl acetate (sulphonic polystyrene resin catalyst (i)), (b) manufacture of butyl acetate (cation exchange resin catalyst in hydrogen form), (c) manufacture of mesityl oxide (catalyst (i)).
Patent GB-679345-A (GB)
Title: Improvements in or relating to apparatus for testing engines
IPC: G01M15/04
Filed: 1951-04-13
Abstract: 679,345. Electric control systems. STANDARD OIL DEVELOPMENT CO. April 13, 1951. [Sept. 29, 1950] No. 8663/51. Class 40 (i). A prime mover, e.g. an internal combustion engine 1, is tested under constant speed and, or acceleration loading requirements by controlling the dynamometer 2 loading the engine in accordance with electric signals proportional to the engine speed and acceleration. The A.C. output of a tachometer generator 3 driven by the dynamometer is rectified at 4 and applied to a "simulated speed" recorder 5 which through a cam and follower mechanism, Figs. 2, 3 (not shown), translates the linear rectified tachometer output into a non-linear adjustment of a potentiometer 12, Fig. 5, in accordance with the desired constant speed loading conditions. The tachometer output is also separately rectified at 15 and differentiated at 16 the D.C. output of which is adjusted in magnitude by a control 18, converted into A.C. at 17 and fed through a transformer 53, Fig. 5, together with the output from the potentiometer 12 to the grid of an A.C. fed thyratron 50 to control the dynamometer 2.
Patent GB-1224178-A (GB)
Title: Reflective reticle for viewfinders
Inventor: PETERSON DEAN MCCORMACK
IPC: G03B13/02
Filed: 1968-02-22
Abstract: 1,224,178. Viewfinder reticles. EASTMAN KODAK CO. Feb.22, 1968 [Feb.24, 1967], No.8697/68. Headings G2A and G2J. A reticle for use in an Albada viewfinder comprises a photographic film sheet 5 having thereon a transparent frame 6 on an opaque background 8, and a transparent central area 7. The frame 6 is covered by a layer of reflective material 9. The reticle is mounted in a finder system as in Fig.1, between the eye-piece 2 and the objective 1, with the layer 9 facing the eye-piece. The system also includes a mask 3 and mirror 4. The frame line 6 is projected to infinity, and viewed through the central area 7, without ghost images, because of the opaque background 8. A series of such reticles may be made on a long strip of film by a photographic process.
Patent GB-293712-A (GB)
Title: Improvements in spring suspensions for vehicles
IPC: B60G11/00
Filed: 1927-03-09
Abstract: 293,712. Armstrong, F. G. G. March 9, 1927. Divided application. Springs, arrangement of.-A vehicle axle 1 is connected to that end of a radius rod 4 which is remote from the frame 6, the other end of the rod being rigidly connected to one end of a leaf spring 8 and pivoted to the frame at 5, and the other end of the spring being shackled to the frame. The spring lies above the axle. In addition, a rubber block 38, Fig. 4, mav be interposed between a plate 36 on the rod and a pad 37 on the frame, a further rubber block 39 being held against the opposite side of the plate 36 by bolts 40. A pivotal joint is provided between the radius rod and axle to prevent stresses in the axle when one wheel is raised without the other. A vibration clamper may be interposed between the radius rod and frame. A pair of superposed parallel radius rods may be used, and the spring may extend to or beyond the centre of the frame. The Provisional Specification describes an arrangement in which a leaf spring takes the place of the radius rod, the axle being situated above or below both springs or between the two and the springs being arranged longitudinally, transversely or obliquely.
Patent GB-850748-A (GB)
Title: A ready-made sole for repairing footwear
Inventor: FEES KARL
IPC: A43B13/04
Filed: 1958-03-19
Abstract: 850,748. Repair soles. ACLA-WERKE A. G. March 19.1958, No.8759/58. Drawings to Specification. Class 17(2) [Also in Group VIII] A repair sole comprises a sole element of synthetic plastic material comprising polyester isocyanate addition products to one side of which is secured, by adhesive, a leather sole element of at least equal thickness to provide a bonding layer for attaching the sole to a shoe by a conventional hand press. Preferably. the leather element is thicker than the plastic element. Specifications 658,356 and 798,487 are referred to.
Patent GB-201592-A (GB)
Title: Improvements in or connected with electro-magnetic friction clutches, specially applicable to reversing gearing
IPC: F16D27/12
Filed: 1922-03-28
Abstract: 201,592. Boothroyd, H. T. March 28, 1922. Planing.-In electromagnetic friction clutches for planing-machine drives, the armature member is arrested and moved away from the magnet member by an electromagnetically actuated brake block automatically moved in a direction parallel to the plane of the armature when the clutch is deenergized. The armature is slidable on the driven shaft and is positioned by the device midway between two oppositely-rotating magnet members when both are de-energized. As shown, annular electromagnets B, C, running on ball bearings a<1>, a<2>, are driven in opposite directions respectively by stepped pulleys b<1>, b<2> and a pulley c<1>. The windings b<3>, c<3> are alternatively energizable from slip-rings b<6>, c<6> to attract an armature D, provided with friction facings d<2> and having a V-shaped periphery d' entending beyond the pole-faces. The armature D may slide directly on a squared part a<4> of the driven shaft A or, as shown, may be bolted between the halves of a divided casing D<1>, which bears on a boss D<2> slidable on the part a<4> and is connected to it by oppositely-wound spiral torsions springs S<1>, S<2>. A brake-shoe E, forming the core and armature of an annular electromagnet e<2>, has segmental friction facings e<5> shaped to conform to the periphery of the disc D and is applied thereto by an adjustable spring F or by a weight. The winding e<8> is so arranged in relation to the clutch circuit that it is de-energized when both the windings b<3>, c<3> are de-energized, whereby the brake is applied and the disc D held midway between the parts B, C. Alternatively, the brake may be applied magnetically and released by the opposing spring or weight.
Patent GB-702437-A (GB)
Title: Improvements in or relating to ceramic-to-metal seals
IPC: C04B37/02
Filed: 1952-04-08
Abstract: 702,437. Thermionic valves. WESTERN ELECTRIC CO., Inc. April 8, 1952 [April 12, 1951], No. 8938/52. Class 39(1) [Also in Group XXXVI] A microwave triode comprises a honeycomb anode 10 attached to an exhaust tubulation 11 having a closed end 12 covered with solder 15. The anode is surrounded by a protective cap 13 and is brazed to connecter ring 17 which is soldered to the protective cap. The cathode comprises a disc 20 having an emissive coating such as barium oxide thereon, and is supported by a heater cup 21 as disclosed in Specification 668,355, the cup 21 having within it a heater . 22 comprising two concentric helical coils. The cathode is supported by legs 23 secured to the cup 21 and held between spring disc 24 and bulb 27 by spring 25. The outer end 31 of an expansion shield 30 is brazed to the bottom of bulb, 27, the inner end 32 forming a cup carrying an insulater disc 33 through which leads 34 pass. The shield 30 and leads 34 are secured to disc 33 by glaze. A steatite cathode insulator 40 is positioned between the upper end of the bulb 27 and cathode platform 41 and a steatite anode insulator 42 is placed between ring 17 and an anode platform 43. A frame 44 carrying control grid 45 is positioned between platform 41, 43, a grid spacer ring 46 determining the grid-cathode spacing. The platforms 41, 43 may be welded together by means of an interposed welding ring 47. Butt seals are formed between the steatite members 40, 42 and the adjacent metal members (see Group XXXVI). Specifications 557,811, [Group V], and 648,997 also are referred to.
Patent GB-904340-A (GB)
Title: Improvements in or relating to an esterification process
IPC: C07C69/76
Filed: 1959-03-16
Abstract: Vinyl chloride resin compositions comprise as plasticizer an ester of a phthalic acid of the general formula <FORM:0904340/IV(a)/1> in which R7 is an n-butyl group and R8 is a secondary alkyl group having from 9 to 20 carbon atoms, e.g. in which R8 contains from 12-20 carbon atoms and the two carboxylic groups are ortho to one another (see Group IV(b)).  The vinyl chloride resin may be polyvinyl chloride, vinyl chloride copolymers and compositions containing polymerized polyvinyl chloride.  Copolymers specified include copolymers of vinyl chloride with vinyl acetate, methyl methacrylate, diethyl maleate or vinylidene chloride.  The preparation of sheets from polyvinyl chloride plasticizer with n-butyl secondary-C10-C12 alkyl phthalates, n-butyl C10-16 alkyl phthalates, n-butyl secondary-nonyl and n-butyl secondary dodecyl phthalates is described.ALSO:A process for preparing a neutral ester of an organic polycarboxylic acid comprises reacting on olefin containing at least 5 carbon atoms in the molecule or a mixture of such olefins with an acid ester of an organic polycarboxylic acid having the general formula (HOOC)mR(COOCH2R1)n in which n and m are both integers, the sum of which is from 2 to 6, R is the residue of the molecule of an organic polycarboxylic acid R(COOH)m+n and R1 is an aliphatic hydrocarbon group containing at least three carbon atoms.  The invention also comprises an ester of a phthalic acid having the general formula <FORM:0904340/IV (b)/1> in which R7 is an n-butyl group and R8 is a secondary alkyl group having 9 to 20 carbon atoms. Such esters are employed to plasticize vinyl chloride resins (see Group IV(a)).  Many olefins for use in the process are listed and include olefines produced by the catalytic cracking of petroleum hydrocarbons and preferably dearomatised before use.  Acid esters specified for use in the process include succinates, diethylsuccinates, glutarates, adipates, pimelates, suberates, sebacates, cyclo- and alkyl cyclo hexane dicarboxylates, citrates, phthalates, iso- and terephthalates, dihydroterephthalates, tetrahydroisophthalates, di- and tetrachlorophthalates and partial esters of trimesic, mellophanic and trimellitic acids and acid esters of naphthalene polycarboxylic acids and anthracene dicarboxylic acid. A large number of Lewis acid compounds which may be employed as catalysts in the process are specified.  Representative of the esters prepared in examples are 2-ethylhexyl 2-octyl phthalate, 2-octyl n-butyl succinate, di- -octyl-di-n-butyl pyromellitate, n - butyl - 2 - octyl isophthalate and mixtures of phthalates obtained from mono-n-butyl phthalate and mixtures of olefines containing 10-12 and 10-16 carbon atoms.
Patent GB-217358-A (GB)
Title: Improvements in or relating to air-speed indicators
IPC: G01P5/16
Filed: 1923-03-29
Abstract: 217,358. Barnes, J. W. March 29, 1923. Elastic - diaphragm pressure gauges.-Relates to air-speed indicators of the type an which a barometric device controls the action of the pressure gauge diaphragm in order to correct the indications for variations of atmospheric densities. The barometric device is arranged to act through a wire, flat strip, or flat spring, disposed transversely to the line of action of the air-speed diaphragm so that the zero reading is unaffected by it. In the arrangement of Fig. 1 the gauge comprises an oil-silk diaphragm 3 in a casing 12 having a pressure head connection 30, and a static head connection 31. The barometric correcting device consists of an aneroid box 13 connected to a wire or strip 7 adjustably anchored at 10, The 211 wire 7 bears upon the head 8 of the spindle of the diaphragm 3, and one arm 9 of the bellcrank lever 6 which actuates the pointer 4 bears on the wire 7. When no pressure difference acts on the diaphragm 3, the wire 7 is straight and the zero reading is unaffected. When a pressure difference exists, the wire is deflected, and its tension is varied in accordance with the barometric pressure. The movement of the lever 6 is communicated to the pointer 4 by toothed-sector and pinion gearing. In Fig. 2 the pressure difference device consists of two capsules 14 having a pin 8 bearing upon a thin metal strip 7 which is tensioned variably in accordance with atmospheric pressure by an aneroid box 13. The aneroid acts at 23 on a lever 21 pivoted on balls at 22 and influenced by an adjustable spring 26. The strip 7 is connected at one end to the lever 21 and at the other to an anchorage 19. A bell-crank lever 15 pivoted at 16 bears with one end 9 upon the strip 7, and actuates the pointer 4 through a chain and drum connection 17, 18. Fig. 3 shows an arrangement in which the pressure difference device comprises two capsules 32 having pins 42, 43 acting to turn a lever 15 which actuates the pointer 4 through a chain and drum connection. The lever is clamped at 41 to the metal strip 7 which is anchored at 33, and tensioned by a lever 34 under the influence of a barometric device 13. The tension may be varied by adjusting a flat spring 36.
Patent GB-660399-A (GB)
Title: Improvements in or relating to ball and roller bearings
Inventor: MACKROW NORMAN ATTON
IPC: F16C33/56
Filed: 1949-04-01
Abstract: 660,399. Bearings. NATIONAL RESEARCH DEVELOPMENT CORPORATION. March 29, 1950 [April 1, 1949], No. 8977/49. Class 12 (i). A ball or roller bearing cage comprises members 1, 2 each having the same number of roller receiving recesses 3, the recesses in either member extending alternately from opposite edges, the members being assembled so that pairs of recesses, one in each member and open ended in opposite senses, are in register, thereby forming a cage having roller retaining recesses closed at both ends. The edges 4 of the recesses are chamfered as at 7 so as to present tangential rubbing surfaces to the rollers, and retain them in position. The members 1, 2 may be made of thin synthetic plastic material or metal and may be joined together by an adhesive or rivets. For the insertion or removal of rollers, the inner sleeve 2 may be split with a fine saw, and then distorted. For a double-row bearing the recesses may be alternately long and short so that the rollers in each row are pitched apart by the distance between adjacent long or short recesses in each member.
Patent GB-590097-A (GB)
Title: Improvements in grain lifters for reaping machines or binders
IPC: A01D65/02
Filed: 1945-04-11
Abstract: 590,097. Reaping-machines. CRUIKSHANK & CO., Ltd., and SHANKS, W. M. April 11, 1945, No. 9052. [Class 6 (iii)]. A grain-lifting device for reaping or binding machines comprises an arm a adapted to be pivotally supported by the knife bar, a pointed nosepiece e welded or brazed to the arm, and a fender g welded or brazed to the nosepiece. The arm shown has welded or brazed to it a bracket b having inturned lugs for fitment to the knife bar, and is fitted with a tapered shoe d to guide the grain between the fingers of the cutter bar. The fender g is tubular and engages with a shoulder formed on the nosepiece.
Patent GB-824615-A (GB)
Title: Electrical cables and the manufacture thereof
IPC: H01B7/08
Filed: 1958-03-21
Abstract: 824,615. Cables. STANDARD TELEPHONES & CABLES Ltd. March 21, 1958 [March 26, 1957], No. 9113/58. Class 36. A multicore cable is made by affixing a plurality of conductive strips 2 to a sheet 1 of flexible insulating material, e.g. P.T.F.E., and winding the sheet into a spiral transverse to the length of the strips as shown. The conductive strips may be affixed to one or both sides of the insulating sheet and may be formed on the sheet by a printed circuit technique. A portion 7 of the sheet forming the outside turn of the spiral may be left without conductive strips and a metallic layer 5 covered with an insulating layer 6 may be provided on the sheet to form a screen between adjacent turns of the spiral. The sheet 1 may be cut at an angle to expose the ends of the cable conductors.
Patent GB-903521-A (GB)
Title: Improvements in or relating to walking mechanisms for moving heavy loads
IPC: E02F9/04
Filed: 1961-03-13
Abstract: 903,521. Propelling vehicles. EISENWERK WESERHUTTE A.G. March 31, 1961 [March 23, 1960], No. 9118/61. Class 79(3) A walking mechanism for transporting heavy loads comprises three walking legs, each comprising a foot plate universally jointed to a pair of extensible members each of which is connected to the load bearing member by a universal joint. The. latter universal joints may lie in a horizontal plane on the three sides of a triangle or the projections of the joints upon a horizontal plane, if they are not coplanar, lie on the three sides of a triangle, two joints or projections being on each side. The load bearing member 1, which may be the equipment to. be moved, has a base 2 and legs 6, 7 provided with foot plate 3, 8, 9 with foot plate 4 and 10, 11 with foot plate 5. The extensible members, 6-11, each comprise hydraulic cylinders and pistons. In order to move the load, all the legs are uniformly extended to lift the load, Fig. 2, then two members, say 9 and 11 (depending on the direction to be moved) are further extended to move the load in the desired direction, to reach the position of Fig. 3. Then the legs 9 and 11 are again extended and the others retracted to deposit the load on the ground in the position of Fig. 4. In a modification, Fig. 5, the load member is provided with three walking legs having the foot plates 3, 4 and 5 and an additional extensible support leg 19 connected to leg 7 by coupling members 20 and 21. Two or more load members may be together by a universal joint 26, Fig. 6, the additional members having two foot plates 27 and 28 connected to the body 24 by extensible legs 29, 30 and 31.
Patent GB-1536903-A (GB)
Title: Agricultural apparatus having switching device for displacing track markers for attachment to a tractor
IPC: A01B69/02
Filed: 1976-03-08
Abstract: 1536903 Agricultural track markers AMAZONEN-WERKE H DREYER 8 March 1976 [8 March 1975] 09150/76 Headings A1B and AID Track markers 26, 26' of an implement are alternately raised and lowered by the successive raising and lowering by the power-lift links of a tractor of a crossbeam 9 in relation to a switching device mounted on the implement, the track markers 26, 26' being connected by chains 27, 27' to two pivoted switching levers 4, 4' of the device, the pivoting of the levers 4, 4' being controlled by a control disc 3. The switching levers 4, 4' are connected by links 5, 5', 7, 8 to a crossbeam 9 whose pins 10 receive levers 11 pivoted to the frame 13 of an implement 1 and are received by the lower links of the power-lift. The control disc 3 carries three stops 14, 14', 14" at 120‹ intervals and has recesses 23 at 60‹ intervals The switching levers 4, 4' are provided with pivoted stop members 16, 16' urged by torsion springs 18 towards the axis 19, and with locking plates 20, 20' provided with retaining notches (not shown) for the stops 14, 14', 14". Operation: When the crossbeam 9 but not the implement is raised by the power-lift, the Fig. 1 position may be attained by the device, both track markers 26, 26' being fully raised. If the power-lift is now lowered, the locking plate 20' is retained by the disc stop 14' so that the lever 4' cannot pivot, but the lever 4 is caused to pivot to the Fig. 3 position by links 5, 5', 7, 8 and the weight of the track marker 26. The stop member 16 abuts against the locking plate 20. When the crossbeam 9 is again raised, as the lever 4 pivots to the Fig. I position the stop member 16 engages the disc stop 14 and rotates the disc 3 through 60‹ so as to disengage the locking plate 20' from the stop 14' to allow pivoting of the lever 4'. A detent 24 engages in the next recess 23 to arrest the disc 3.
Patent GB-626765-A (GB)
Title: Improvements in treatment of plant buds
IPC: A01N37/10
Filed: 1947-04-03
Abstract: Development of plant growth is retarded by treatment with naphthalene acetic acid, its salts or esters in powder form.  The concentration should be 0.2 to 5 per cent, the carrier being talc.  The Specification as open to inspection under Sect. 91 describes the use of these materials in liquid and vapour preparations. Wetting agents may be added.  This subject-matter does not appear in the Specification as accepted.ALSO:Development of plant growth is retarded by treatment with naphthalene-acetic acid, its salts or esters in powder form.  The concentration should be 0.2 to 5 per cent, the carrier being talc.  The Specification as open to inspection under Sect. 91 describes the use of these materials in liquid (e.g. dissolved in alcohol or olive oil) and vapour preparations.  Wetting agents such as oxidized sulphonated petroleum may be added.  This subject-matter does not appear in the Specification as accepted.