baber/WOPTO huggingface dataset:
Patent GB-519189-A (GB)
Title: Improvements in valve springs for internal combustion and other engines
IPC: F01L1/46
Filed: 1938-09-16
Abstract: 519,189. Valves. HEMMINGSEN, T. V. Sept. 16, 1938, No. 27038. Convention date, Sept. 17, 1937. [Class 7 (vi)] A valve spring for internal-combustion and other engines comprises a hairpin or U-shaped laminated spring' which is pivoted at or near its closed end 10 and has its free ends 5, 6 bearing against members 3, 4, the latter of which is fixed while the former is attached to the valve 14. In a modification, the pivot 10 is at the centre of the closed end of the spring, and the ends 5, 6 engage rollers ; or one of these ends may be fixed and the spring have a slight\ longitudinal play at the pivot 10. The spring may be at the same side of the valve as the actuating-lever 2, or at the opposite side ; in the former case there is a spring member at each side of the lever. Also two or more spring members may be arranged one above the other and interconnected by links.
Patent GB-1063969-A (GB)
Title: Box-wrapping machine
IPC: B31B15/00
Filed: 1964-07-01
Abstract: 1,063,969. Box wrapping machines. FMC CORPORATION. July 1, 1964 [July 2, 1963], No. 27081/64. Heading B5D. In a box wrapping machine of the type comprising a vertically reciprocable form block F having upper and lower separable sections UF, MF, box stripping means 69 on the former assembly are reciprocated at a descending speed slower than that of the form block assembly, and means for causing interengagement between the upper form section UF and the box stripping means as the latter descends, causes the upper section UF to descend with the box stripping means, causing separation of the two sections UF. MF. during descent. The arrangement reduces impact upon engagement of the separating means. The form block and stripper assemblies are reciprocated from separate cam grooves on a roller 21, the linkage 51, 52 to the form block assembly having alternative pivot pin holes 52a, 52b, by use of which the plunger stroke 40 may be varied to suit different size boxes. The upper and lower sections UF, MF are normally held in engagement by a spring within the upper end of the plunger 40, until forced apart by the engagement of abutments 231, 68 at the appropriate time. A handle 255 operates a linkage for manually separating the form parts for cleaning &c. The side and end slides 80-83 carrying the box wrapping tools each have a control shaft driven through worm gearing and carrying cams for actuating said tools e.g. brush roller (89) corner lap plates (90), turn-in fingers (92) and presser blocks (94), Fig. 7 (not shown). The slides are mounted on slideways on which they are movable to suit various sizes of box, by linkages operated by handles (190-193), Fig. 9 (not shown), which are all placed together at one corner of the machine for convenience of adjustment.
Patent GB-1300946-A (GB)
Title: Improvements in or relating to the preparation of active siliceous compounds and their use in the production of crystalline synthetic zeolites
Inventor: SUNDERLAND STEPHEN
IPC: C01B39/20
Filed: 1969-05-29
Abstract: 1300946 Active silica and silicates; zeolites PETER SPENCE & SONS Ltd 26 May 1970 [29 May 1969] 27132/69 Addition to 1193254 Heading C1A "Active" silica and silicates having the general formula. nNa 2 O : SiO 2  : xH 2 O, where n = 0 to less than 0À5, and x = at least 0À1, are produced in a process in which an "active" sodium silicate hydrate having an activity rating of at least 5 units is treated in an aqueous medium with the salt of a base, other than a metallic base, having a pKb in the range 2À0-9À0, or with a weak acid having pK a  in the range 5À0-9À0 to remove or partially remove the cation from the sodium silicate. The sodium silicate hydrate treated is of general formula mNa 2 O : SiO 2  : yH 2 O, when m = 0À5-1À5 and y is greater than 0À05. Specified suitable bases are mono-, di-, and tri-methylamine and ethylamine, pyridine, piperidine and quinoline, hydroxylamine, and ammonium hydroxide. Suitable salts are chlorides, sulphates, nitrates, or carbonates, viz. amine hydrochlorides, the preferred salts being ammonium salts. Carbonic acid is specified as a weak acid of appropriate pK a  value. The reaction to remove the cation may be carried out at a temp. in the range 10-30‹ C. In such a reaction the silica or silicate product is separated from the aqueous medium by filtration, is washed and dried. The "active" silica or silicate may be utilized in the preparation of synthetic zeolites having molecular sieve and base exchange properties by cystallization of said zeolite from a reaction mixture containing the required quantities of SiO 2  component, Al 2 O 3  component, cation component and water at a temperature in the range 30-120‹ C. with stirring when at least part of the SiO 2  component is "active" as prepared by the above method. Specified cations are Na<SP>+</SP> together with Li<SP>+</SP>, K<SP>+</SP>, Rb<SP>+</SP>, Cs<SP>+</SP>, Mg<SP>++</SP>, Sr<SP>++</SP>, Ba<SP>+</SP> <SP>+</SP> and NH 4 <SP>+</SP>: the zeolite: where d = 0-1, e = 6-8 and # is up to 10 and having a specified X-ray pattern, is exemplified.
Patent GB-283669-A (GB)
Title: Improvements in rotary kilns, driers and the like
IPC: F27B7/20
Filed: 1926-10-29
Abstract: 283,669. Allen & Co., Ltd., E., and Coles, W. J. Oct. 29, 1926. Rotary kilns. - A rotary kiln or drum for the manufacture of cement by the wet method, for distilling carbonaceous materials, or for drying coal, limestone, clay &c., is made of short length and is rotated at such a speed that the material under treatment will cascade without the use of lifters. The drum is preferably formed with end portions of reduced diameter, so that a definite amount of charge will be retained in the kiln, and as shown in Fig. 2 a combustion chamber a<3> may be formed at the firing end of the kiln beyond the delivery ports f for the material. The lining may be corrugated or otherwise formed to increase the adhesion of the material thereto. A kiln having an internal diameter of 9 feet may make from 17 to 20 revolutions per minute.
Patent GB-1366428-A (GB)
Title: Adjustable cutting tools
IPC: B23B29/034
Filed: 1972-06-09
Abstract: 1366428 Cutting tools GENERAL ELECTRIC CO 9 June 1972 [23 July 1971] 27202/72 Heading B3C A cutting tool, e.g. boring bar, has a cutter cartridge 5 releasably mounted in a recess 4 in the toolholder 1 and is independently adjustable in both radial and axial directions of the bar shank 2. Recess sides 11, 13 are parallel as are corresponding sides 16, 17 of cartridge 5 which slide thereon. Two wedges 20, 25 are provided one, for example, between the cartridge and recess surface 10 and the other in a slot 26 which wedges adjust the position of cartridge 5 under the action of screws 23, 27. This adjustment in the two directions is loaded by spring washers on screws 31, 33 passing through openings in the cartridge and screwed into toolhead 3. Screws 35, 36 lock the cartridge in the recess in the desired position.
Patent GB-998556-A (GB)
Title: Improvements in a method of and means for forming pocketed packaging material or bags with sealed-in inserts
IPC: B31B41/00
Filed: 1961-07-27
Abstract: 998,556. Making pocketed bags. KEHR PRODUCTS CO. July 27, 1961 [July 27, 1960], No. 27243/61. Heading B5D. [Also in Divisions B8 and F2] A method of forming pocketed bags containing sealed inserts such as cards comprises applying adhesive to a first strip in a predetermined pattern, spacing inserts along the strip, superimposing a second, narrower strip on to the first to enclose the inserts and bonding the strips together, perforating the doublelayer strip between inserts, longitudinally folding and pleating the first strip, overlapping and sealing the longitudinal edges, severing the strips at the perforations, and overfolding and sealing one end of each of the individual bags so formed. A strip 28 (Fig. 1) passes from a main supply reel 12 having an adjustable drag control 20 through a printer 34, over an ink-dryer 63, and round an adjustable roller 64. Adhesive is applied by toothed plates 136 and notched discs 134, 140 (see Figs. 5 and 6). Cards 156 (see Fig. 4) are discharged singly from a magazine 154 by a blade 162 on a rotating roller 160 and fed between rollers 184, 186 on to the strip 28 as it passes beneath a roller 194 which reverses the direction of a strip 198 from an auxiliary supply reel 200 provided with drag control 206. The strips then pass between a rubber roll 214 and a rigid, adjustable roll 216. Roll 216 has two rows of teeth 236 to produce perforations 240 between each pair of adhesive spots 146 (Fig. 6). The double-layer strip is guided under a foot 249 (Fig. 8) by rollers 260 and over a shoe 264 by guide wires 269, 280, where it is longitudinally folded and the edges overlapped. Plates 266 pleat the outside edges and presser rolls 276 press the pleats flat and seal the edges (see Fig. 16). The strip is fed between rollers 330 and 322 (Fig. 1) which tear it into individual bags 344. The bags are passed to a drum 368 (Fig. 11), having slots 370 each provided with a blade 372 biased by a spring 384, where they are overfolded and sealed at one end. The completed bags are stripped from the drum and stacked horizontally between the drum and a weight.
Patent GB-1523523-A (GB)
Title: Travelling machine for the continuos (non-stop) levelling and consolidation of the ballast bed of a railway track with the aid of a reference system
IPC: E01B27/12
Filed: 1976-06-30
Abstract: 1523523 Railway track levelling and consolidating machines FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIE GmbH 30 June 1976 [18 Aug 1975] 27276/76 Heading E1G A travelling machine for the continuous levelling and consolidation of the ballast bed of a railway track comprises a levelling and lining reference system 14, a plough arrangement 7 for profiling the ballast bed which is exposed by lifting the track by means of roller lifting assembly 10 and a consolidation unit 11. The plough arrangement 7 is designed (Figs. 3, 4 not shown) so that two track supporting surfaces are produced below the two rails with a central lower ballast zone between the rails. The consolidation unit comprises a frame 17 (Fig. 2) equipped with wheel/axle assemblies 16, 20 and a vibration unit 18 for producing horizontal vibrations which are transmitted to the track via wheels 20, the track being firmly contacted with the wheels by means of piston-cylinder assembly 21 acting on the wheel 20 and piston-cylinder assemblies 23 acting on guide rollers 22 applied to the outsides of the rail heads, and a compression unit 12 is for applying pressure downwards on the track.
Patent GB-832468-A (GB)
Title: Improvements in or relating to piano lids
IPC: G10C3/02
Filed: 1958-08-26
Abstract: 832,468. Pianofortes. FOERSTER, G. Aug. 26, 1958, No. 27286/58. Class 88 (2). A piano lid consists of two articulated parts 2, 3 attached to the front of the keyboard by hinges 5 fixed to the side cheeks 6. The lid is secured by catches 7 or by spring grips or locks and is spring biased so that it automatically opens on release of the catch.
Patent GB-1349162-A (GB)
Title: Nuclear power plant
IPC: G21D3/12
Filed: 1971-04-19
Abstract: 1349162 Nuclear power plant SIEMENS AG 19 April 1971 [20 March 1970] 27300/71 Heading G6C In a nuclear power plant in which separate, retro-active control systems are provided for the reactor and the prime-mover and a protective shut-down system is included, a further control system operates to adjust the plant in a range between the sensitive ranges of the control and protective systems. As shown, a load-regulator LR operates on the control VR of the turbine inlet valves. The reactor coolant is maintained at a mean value by a loop KMTR which adjusts the reactor control rods. The further control system comprises a neutron-flux dependent loop RELEB which also actuates the control rods and a steam pressure regulator MIN which also actuates the control VR to adapt the extraction of energy at the turbine to the reactor output. In addition, a speed regulator DR operates as a maximum speed regulator on load-shedding. Individual rods can be inserted in the reactor by a loadchange detecting unit DA in the event of sudden load changes or pump failure. Excessive steam pressure in the pipe between the heatexchanger D and the turbine, e.g. upon sudden closing of the turbine inlet valves, is prevented by a regulator MAX which acts on a by-pass control USt which causes steam to by-pass the turbine and enter the condenser K. The protective shut-down system is not shown.
Patent GB-829600-A (GB)
Title: Perfluorocarbon polymers and polymer compositions and processes for preparing the same
IPC: C08L27/20
Filed: 1957-08-30
Abstract: Hexafluoropropylene-tetrafluoroethylene interpolymers having a specific melt viscosity of 1.5 X 103 to 3 X 105 poises, a specific I.R. ratio of 1.5 to 6 which is at least 12.26 minus (1.96 times the common logarithm of the specific melt viscosity) and a specific volatile content of less than 0.3% may be prepared by heating in the molten state with the removal of volatiles, resinous intermediate interpolymers, or mixtures thereof, having a specific volatile content greater than 0.3%, a specific I.R. ratio in the range 1.5 to 6 and a specific melt viscosity of less than 3 X 105 poises.  The heating may be effected in the presence of, as viscosity stabilizers, compounds containing metal cations and present in amount of 1 X 10-7 to 2 X 10-4 gram equivalents, based on cation, per gram of interpolymer, said compounds being stable against thermal decomposition up to 400 DEG  C.  Compounds exemplified include sodium sulphate; potassium perchlorate; barium hydroxide; magnesium, cadmium, barium, lead and manganese chlorides; sodium and zinc bromides; cadmium iodide; sodium pyrophosphate; potassium cyanate and antimony oxide and sulphide.  The intermediate interpolymers may be prepared by interpolymerizing hexafluoropropylene and tetrafluoroethylene in the weight ratio 3/7 to 9/1 in the presence of aqueous solutions of free radical initiators, e.g. ammonium and potassium persulphates, at concentrations effective to generate free radicals at the rate of 4 X 10-3 to 3 X 10-6 mols. per minute per litre of said solution.  The products may be filled, pigmented and reinforced, used to form adhesive bonds with glass and metal, injection moulded and melt extruded to form films, filaments, fibres, tubes, wire coatings and shaped articles.
Patent GB-446665-A (GB)
Title: Improvements in or relating to electrical control systems
IPC: H02P9/18
Filed: 1934-09-24
Abstract: 446,665. Control of A.C. motors. SPERRY GYROSCOPE CO., Inc., Manhattan Bridge Plaza, Brooklyn, New York, U.S.A.- (Assignees of Riggs, A. S.) Sept. 24, 1934, No. 27383. Convention date, Sept. 23, 1933. Drawings to Specification. [Class 38 (iii)] [See also Group XXXVIII] The Specification as open to inspection under Sect. 91 describes a system of speed control for a motor, which may be of the repulsion type, wherein hunting of the motor is eliminated. Speed control is effected by a vario-coupled transformer which supplies the grids of a pair of valves, the outputs of which control the motor. Hunting is eliminated by an auxiliary generator driven by the motor and adapted to superpose in the control circuit a voltage which is proportional to the motor speed and acts in opposition to the voltage derived from the vario - coupled transformer. This subjectmatter does not appear in the Specification as accepted.
Patent GB-158645-A (GB)
Title: Improvements in or relating to wheel hubs
IPC: B60B27/00
Filed: 1919-11-06
Abstract: 158,645. Fedden, A. H. R., Butler, L. F. G., and Cosmos Engineering Co., Ltd. Nov. 6, 1919. Hubs.-Wheel hubs 24 with closed ends 25 are secured on axles 10 by means of a plate 21 bolted to the hub and lying behind a shoulder provided on the axle. In the construction described, the shoulder is formed by the inner race 16 of the ball-bearing which rests against a shoulder 14 on the axle and is held on its outer side bv a sleeve 19, the inner race 18 of another bearing and an axle nut 20. The plate 21 lies in an annular groove formed by the ball race 16 and a shoulder 18 on the axle. The bolts 32 by which the hub and plate are connected are preferably provided with a tapering collar 33 and have each end threaded. The outer end may be used for securing any desired form of detachable wheel. Reference has been directed by the Comptroller to Specifications 24474/95, 12227/03, 24423/08 and 8679/09.
Patent GB-444005-A (GB)
Title: Directional radio receiving arrangements particularly for use with ultra-short waves
IPC: G01S1/02
Filed: 1935-10-04
Abstract: 444,005. Directive wireless signalling. LORENZ AKT.-GES., C., 1, Lorenzweg, Tempelhof, Berlin. Oct. 4, 1935, No. 27460. Convention date, Oct. 5, 1934. Addition to 405,727. [Class 40 (v)] The parent Specification comprises a directional transmitting system in which the directivity of the transmitting dipole aerial is varied by keying associated dipole reflectors. In the present invention the same principle is used in a receiving system the directivity of the receiving dipole E being changed by the alternate keying of reflector dipoles R1, R2 by relays M1, M2 associated with a rotary commutator K. An indicating instrument J of the type described in Specification 424,275 gives an indication of the relative signal intensities in the two directions.
Patent GB-1017563-A (GB)
Title: Method of, and apparatus for, impregnating strands of filaments, and strands of filaments impregnated by this method
Inventor: VAN DIJK J
IPC: D06B1/08
Filed: 1962-07-17
Abstract: 1,017,563. Textile treating apparatus. SHELL INTERNATIONALE RESEARCH MAATSCHAPPLJ NV. June 28,1963 [July 17, 1962], No. 27468/62. Heading D1L. A method of impregnating strands of filaments comprises drawing each strand over an orifice while injecting impregnation fluid through the orifice into the strand. The rate of fluid injection is preferably less than would be required both to impregnate and to coat the strands. In the apparatus shown strand 17, one of a plurality arranged across the apparatus and guided between teeth 11, is drawn over one of a plurality of orifices 9 formed in a front plate 8 secured to housing member 1. In use a resin and a curing agent are pumped separately through supply lines 2 and 3 to a mixing chamber 4 in housing 1. The mixing is done by a rotary agitator 5 driven from shaft 19. From chamber 4 the resinous compound passes into impregnation chamber 7 whence it is discharged through the orifices 9. The teeth 11 are adjustable across the width of the apparatus so as to position accurately each strand 17 over a respective orifice.
Patent GB-463534-A (GB)
Title: Rotary hook and thread case devices for sewing machines
IPC: D05B73/12
Filed: 1936-10-10
Abstract: 463,534. Sewing - machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.) Oct. 10, 1936, No. 27509. [Class 112] A horizontal axis rotary hook has a barrier spaced from and disposed at the loop-castoff side of the hook to limit the flying-off movement of the take-up limb of the thread loop. The hook 8 is carried on the shaft 9 and performs the usual two rotations for each complete reciprocation of the needle 7. The beak 12 of the hook is in close proximity with the needle guard 13. When the beak 12 seizes the needle thread loop passing between the needle 7 and work-limb of the needle thread loop, the lower end of the thread loop is caught by the spur 20 of the thread case carrier bearing-rib 16. The thread loop then passes under the hook-body rim under the hook body across the gap 21, about the spur 20 and along the inner face of the bearing rib, about the thread 12<1> and over the work free of the hook body to the needle. At high speeds the take-up thread limb flies so violently from the hook that it becomes jammed in the feed dog slots. This limb is confined between the inner face of the bobbin carrier 17 and the base of the hook body, and between a stop finger 23 and dog arm 36, so that in the flying-off action, the thread limb engages the arm 27 and avoids jamming. The arm 27 also serves as a stop for the bobbin carrier.
Patent GB-390214-A (GB)
Title: Improvements in and connected with adjustable seats or stools
IPC: A47C3/24
Filed: 1931-10-03
Abstract: 390,214. Adjustable seats. WALKER & SONS, Ltd., J. W., Francis Works, Southfield Road, Acton, London, and SYMONDSON, A. H., 69, Jersey Road, Osterley, Hounslow, Middlesex. Oct. 3, 1931, No. 27519. [Class 52 (ii).] A vertically adjustable seat or stool comprises elevating mechanisms at the sides, a transmission extending between said mechanisms and beneath the seat, and foot blocks having spaced vertical guide members providing extended guidance for the legs and a transverse member between said guide members for supporting the elevating mechanisms at each side. Such a stool is shown comprising bevel gearings h connected by a transverse shaft n, and threaded members j. Each foot block c carries vertical guide rods d connected by a cross member d<1> supporting the members j.
Patent GB-836960-A (GB)
Title: 3,5-diiodo-4-pyridone-n-acetic acid esters and their preparation
Filed: 1958-08-27
Abstract: The invention comprises compounds of the general formula <FORM:0836960/IV (b)/1> (wherein R is an alkyl group containing at least one hydroxyl group), and the preparation thereof by esterifying 3:5-diiodo-4-pyridone-N-acetic acid with a di- or poly-hydric alcohol.ALSO:Aqueous suspensions of compounds of the general formula <FORM:0836960/VI/1> (wherein R is an alkyl group containing at least one hydroxyl group) are described, which are made by the addition of a suitable agent for increasing the viscosity of the preparation and a suitable dispersing agent.  Typical viscosity-increasing carriers include, for example, carboxylated cellulose, cellulose ether and polyvinyl alcohol.  Suitable dispersing agents are preferably non-ionic emulsifiers, such as reaction products of fatty acids, fatty alcohols, or neutral fats with ethylene oxide, or emulsifiers of the "Tween" (Registered Trade Mark) series (polyoxyalkylene derivatives of hexitol anhydride partial long-chain fatty acid esters).  The new media have preferably particle sizes falling predominantly within the range of 5-30 microns.  They are useful as X-ray contrast media for bronchography.
Patent GB-323236-A (GB)
Title: Improvements in polishing or grinding machines
IPC: B24B5/38
Filed: 1928-09-27
Abstract: 323,236. Marple, T. G. Sept. 27, 1928. Wheel apparatus ; rods and the like, treating ; spindle mountings. - A grinding machine comprises one or more grinding wheels, polishing mops, &c., means for rotating the grinding wheels &c. about their own axes, means for rotating them about the axis of the article to be treated and means for adjusting them in a radial direction comprising longitudinally movable members and links connecting the members with the radially movable bearings of the grinding wheels &c. The polishing mops or grinding wheels 1, 2 are carried on spindles 3, 4 mounted in heads 5, 6 carried in blocks 7, 8 movable radially in grooves 9, 10 on the frame members 11, 12. The latter are rotatably mounted on ball bearings 14, 15 mounted in boxes secured to tubes 16, 17 rotatably mounted on tubes 18, 19 and driven by chain wheels 20, 21. The, tubes 18, 19 are driven by chain wheels 28, 29, and carry halves of V-pulleys 35, the other halves of which are carried by tubes 22, 23 within the tubes 18, 19; the halves of the pulleys are forced together by end springs 36 acting between the ends of the tubes 18, 19 and collars on the tubes 22, 23. The polishing mops are driven by pulleys 38, 39 and belts 37 passing round the pulleys 35, the divided construction of the latter compensating for the radial adjusment of the spindles 3, 4 on the frame members. This adjustment is effected by a spindle 52 operated by a hand wheel 53 and having right-and-left threaded parts engaging blocks 50, 51 on levers 46, 47 carrying forks engaging circumferential grooves in sliding sleeves 44, 45 connected by links 42, 43 to the blocks 5, 6 of the spindles 3, 4. The split belt pulleys 35 may be stationary, the grinding wheels &c. being rotated on their axes as the result of the rotation of the frame round the wire.