baber/WOPTO huggingface dataset:
Patent GB-619183-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J5/50
Filed: 1946-11-25
Abstract: 619,183. Caps for discharge tubes. PHILIPS LAMPS, Ltd. Nov. 25, 1946, No. 34928. Convention date, July 10, 1943. [Class 38(i)] In a discharge tube 1 having a plane base 2 in which contact pins 4 are sealed, the pins are supported in apertures in a separate insulating body 10. As shown in Fig. 1, the body is in the form of a disc located midway along the pins which clamps against a widened portion 7 of a locating member 6 to retain the latter in position and is itself secured to the tube by a metal ring 11. Alternatively the disc may be secured by metal eyelets 12, Fig. 3, slipped over some of the pins and soldered thereto at 13. The disc may also have. an upstanding edge extending practically to the tube base, Fig. 4 (not shown). Fig. 5 shows a modification wherein the disc is secured at the ends of the pins by the latter being flanged over at 21, the centre of the disc having an upstanding portion 20 bearing against member 6. In a further modification, Fig. 6, the locating member 18 is integral with the disc, the tube in this case being metal and the disc secured thereto by means of the bent over edge of the base 15. In still further modifications, the construction used in Fig. 3 is utilised in an all metal tube, Fig. 7 (not shown), or in a tube having the walls and the outer part of the base made of metal and the centre part of the latter of glass, Fig. 8 (not shown). Further, prior to securing the disc to the tube, the locating member may be first secured thereto by upset edges thereon, Fig. 9 (not shown). In all the above embodiments, the locating member may shroud the exhaust tube. Also the disc may be used to secure the tube in a holder, e.g. by making the holder contacts snap over the edge thereof.
Patent GB-839641-A (GB)
Title: A pneumatic pressure amplification device
Inventor: SCHEFFLER PETER
IPC: F15C3/00
Filed: 1956-11-15
Abstract: 839,641. Fluid-pressure servomotor-control systems. JUNKALOR VEB. Nov. 15, 1956, No. 34928/56. Class 135. A pneumatic pressure-amplifier comprises a partially submerged plunger bell 13 connected to one end of a counter-weighted balance beam 9 on which a cylinder 7 having an upper plane face is supported on a knife-edge 8. The cylinder 7 is made long so that its centre of gravity is well below the knife-edge to ensure that the plane face on which a ball 6 rests is always horizontal and the ball is in the centre of a nozzle outlet 5a of a compressed air line 5 supplied through a restriction 3 by a diaphragm pump 2. Any variation in an input signal, viz. a small pneumatic pressure conveyed to the bell 13 through a line 14 moves the ball 6 to regulate the nozzle opening and hence the pressure in the line 5 which is greater than and proportional to the pressure in the bell 13. The pressure in the line 5 may be used for indicating or regulating purposes. The bell may be omitted and the input signal supplied by a force applied at 16 to the balance beam or alternatively the force may be applied to the balance beam and the bell retained. In the latter case the bell follows the movement of the beam and produces a damping effect.
Patent GB-430350-A (GB)
Title: Improvements in or relating to the saponification of cellulose esters
IPC: D06M11/38
Filed: 1933-12-12
Abstract: Cellulose organic ester materials particularly filaments, threads, fabrics, and ribbons, are partially or completely saponified by means of a nitrogenous non-metallic base in the presence of a small proportion of strong inorganic alkali.  The strong alkali may be in the proportion of 2 per cent, but is preferably less than 1 per cent. Caustic potash or soda may be used.  The non-metallic base may be methylamine, ethylamine, propylamine, amylamine, triethylamine, trimethylamine, allylamine, tetramethyl ammonium hydroxide, ethylene diamine, s-dimethyl ethylene diamine, methyl ethylene diamine, propylene diamine, 1.2.3-triaminopropane, a g -diamino-b -hydroxy propane, or piperidine.  The saponification may be carried out at raised temperature, and the surface of the treatment liquid may be covered with oil, wax, or other substance to reduce evaporation. Saponification may be effected in the presence of metals or metal compounds such as copper oxide.  The materials may be stretched after the saponification.  The materials may be treated with water, soaps or other wetting agents prior to the saponification. They may be treated while arranged in warp formation, or in hanks, bobbins, cheeses, or other packages.  The organic ester of cellulose may be of high, low- or normal viscosity characteristics.  Partially saponified high twist yarns are useful as weft in cr<\>zepe fabrics.  In an example cellulose acetate yarn is led continuously in warp formation from a creel through a bath containing an aqueous solution of monomethylamine containing a small quantity of caustic soda. Specifications 207,562, [Class 2 (ii)], 430,349, and 430,351 are referred to.  The Provisional Specification refers also to Specifications 323,790, [Class 2 (ii)], 340,324, 340,325, 340,326, 340,436, 340,437, 343,062, 370,430, 371,461, 378,858, 389,823, 402,105, 411,094, 417,220, 429,103, and 429,477.
Patent GB-1044164-A (GB)
Title: Drying apparatus and method
IPC: F26B5/04
Filed: 1963-09-04
Abstract: 1,044,164. Drying systems. PENNSALT CHEMICALS CORPORATION. Sept. 4, 1963 [Sept. 28, 1962], No. 35008/63. Heading F4G. A product 28 is dried in a chamber 12 by alternately heating with a hot gas e.g. superheated steam, from a source 41 while the product is at atmospheric pressure until the product rises to a predetermined temperature and then flashing off moisture by reducing the pressure in the chamber by connection to a pump 44 to between 5 and 50 mm. of mercury until the temperature of the product falls to a predetermined point and repeating the alternate steps of heating and flashing until dry. The operating cycle is automatically carried out by a control means responsive to the temperature of the product which operates a valve 42 in the line from the gas source 41 and a valve 48 in the line to the pump. The product is supported on a tray 26 of thermally non-conductive material on a fluid heated shelf 14 and may be tumbled or agitated during the drying cycle. In a further embodiment the product is introduced into a chamber by pouring and is removed through a hinged base.
Patent GB-619196-A (GB)
Title: Improvements in or relating to two-cycle internal combustion engines
IPC: F01L5/10
Filed: 1946-11-26
Abstract: 619,196. Two-stroke engines. SPARMANN, E. E. K. Nov. 26, 1946, No. 35043. Convention date, Nov. 27, 1945. [Classes 7 (ii) and 7 (vi)] A two-stroke internal-combustion engine has one or more cylinders 1 with upper exhaust ports 18 and lower inlet ports 19 coacting respectively with ports 20, 21 in a sleeve valve 4 surrounding the piston 5 which controls the ports 21, the sleeve valve being oscillated with a combined axial and rotary movement arranged to provide greater axial acceleration during the scavenging period than during the compression and expansion period. The upper part of the sleeve valve slides in a space 3 between the cylinder head and the cylinder. A control shaft 9 driven at the same speed as the crank shaft 7 and in either direction oscillates an arm 13 pivoted at 14 and connected through sliding and universal connections 15 to the sleeve valve to which a combined rotary and axial oscillation is thus imparted, the rotary component increasing towards the upper limit of the valve travel. The phase of the crank 9 is somewhat more than 180 degrees in advance of the crank 7 so that the axial acceleration of valve 4 is at a maximum, Fig. 2, when the valve is at the bottom of its stroke, at a time when the piston, also near the bottom of its stroke, has a relatively smaller acceleration. The slight lead of the valve is shown in Fig. 3, where the piston is starting upwards on its compression stroke and the inlet ports are open. When the crank reaches 85 degrees beyond its lower dead centre the piston overtakes the valve and closes the inlet ports and compression ensues. The exhaust opens about 70 degrees before lower dead centre and 40 degrees later the inlet valve opens and scavenging occurs and continues for about 60 degrees of crank movement. The path of the pin 16 is such that most of the rotary movement of the sleeve valve occurs near the upper limits of movement when the ports are closed. In a modification, Fig. 5, particularly for radial engines, the valve is operated from a crank pin 10 on the main shaft connected through the linkage shown to a rocking-lever 13 pivoted at 14 and connected to the valve at 15. In this form the scavenging air enters by ports 19<11>, and the combustible mixture by upper ports 191. The two sets of ports may have guide vanes inclined in opposite directions. In another modification, Fig. 8, having cylinders parallel to the power shaft 7, and pistons connected to a wobbler plate 27, a link 11 connected to the wobbler plate at 10 is also connected to a link 16 supported by pivoted links 30, 32 and connected to the sleeve valve at 15. The path 150 of the pin 15 shows that the rotary part of the valve movement is almost entirely limited to the upper end part of the travel. The required advance of the valve movement is obtained by the relative disposition of the part 10 and the piston connection point 8. Specification 506,326 is referred to.
Patent GB-1055400-A (GB)
Title: Driving arrangement for loopers
Inventor: PAASCH HORST-DIETRICH
IPC: H02P29/00
Filed: 1964-08-27
Abstract: 1,055,400. Rolling. ELEKTROPROJEKT BERLIN VEB. Aug. 27, 1964, No. 35230/64. Heading B3M. [Also in Divisions B6 and G3] A pivoted dancer roller arm for forming a loop in a web of continuously fed material, e.g. metal strip, is urged upward by a continuously running motor acting through an induction coupling. The excitation of the coupling, and hence the tensioning force exerted, may be controlled by a selsyn coupled to measure the angular position of the arm so as to tend to keep web tension constant by increasing the transmitted torque at large angles (where the torque has a smaller vertical component). The tension may in fact be zero, the device being driven to merely follow the loop. Alternatively, the excitation may be adjusted in response to thickness measurements to keep web thickness constant, or adjustment may be purely manual. The arm may be held down by an electromagnetic catch so that maximum torque can be developed by the induction coupling before release, and in this case the arm may also be spring loaded. The arm may be reset by hydraulic or pneumatic means.
Patent GB-1125549-A (GB)
Title: Coordinated ionic hydrocarbon copolymers
IPC: C08F8/44
Filed: 1967-08-01
Abstract: 1,125,549. Co-ordinated ionic copolymers. E.I. DU PONT DE NEMOURS & CO. 1 Aug., 1967 [1 Aug., 1966], No. 35306/67. Headings C3P and C3R. Co-ordinated ionic copolymers comprising a random copolymer of ethylene and at least one C 3-8  α,#-ethylenically unsaturated carboxylic acid in which at least some of the carboxyl groups are ionized by metal ions of valence 1 to 4, at least some of which are co-ordinated by electron donor molecules, said copolymer containing at least 50 mole per cent of ethylene and 0À2 to 25 mole per cent of acid, may be prepared by reacting the ionized polymer or a mixture of polymer and metal salt, molten or in solution, with at least one electron donor compound capable of co-ordinating with the metal ions without substantial rupture of the polymer/ metal bonds. Preferred polymers are copolymers of ethylene, methacrylic acid and optionally vinyl acetate or methyl methacrylate. Preferred metal ions are divalent copper, cobalt, nickel, magnesium and zinc. Preferred donor molecules are those containing oxygen, sulphur and nitrogen, many of which are listed including alkyl, alkylene and heterocyclic amines; amino, thiol and hydroxy aromatic compounds, dyes and polyalkylene imines. Alternatively, the co-ordinating molecule may be covalently bonded to the acid copolymer, e.g. by incorporating therein units of acrylonitrile, 2 - hydroxy - 4 - methacryloxybenzophenone or p-vinylphenyl salicylate. The products are said to have good weathering properties. Examples describe the preparation of co-ordinated copolymers from ethylene/methacrylic acid copolymers ionized with zinc, copper, nickel, cobalt, magnesium, manganese and lead, and co-ordinated with diethylene triamine, triethylene tetramine, tetraethylene pentamine, poly - (ethylene imine), poly - (N - t. - butylethylene imine), purpurin, methyl violet, piperazine, salicylic acid and hexamethylene diamine. The copolymers may also be mixed with fillers containing co-ordinatable metal ions, e.g. asbestos and Wollastonite, and conventional antioxidants such as 4,4<SP>1</SP>-thiobis-(6-t.-butyl-mcresol).
Patent GB-786569-A (GB)
Title: Improvements in or relating to variable frequency oscillation generators
Inventor: BICKERS ARTHUR
IPC: H03C3/18
Filed: 1954-12-07
Abstract: 786,569. Automatic frequency control systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Aug. 15, 1955 [Dec. 7,1954], No. 35361/54. Class 38 (4). [Also in Group XL (c)] An oscillator comprises a piezo-electric crystal 2 shunted by a frequency adjusting capacitor 3, and a ferrite core inductance 4 forming part of a ferro-magnetic circuit 6 whose flux is varied by the current passed through a winding 7 from a valve 8 to the grid of which a correcting control voltage is applied so that the oscillator frequency is stabilized, and without its amplitude being varied. A feedback circuit 10 of the valve 8 provides a linear relation between its grid voltage and the susceptance of the winding 4. Transistors may be used instead.
Patent GB-1180027-A (GB)
Title: Connectors for Use in with Flexible Printed Circuits.
Inventor: MATTHEWS BENJAMIN WILLIAM
IPC: H01R12/78
Filed: 1966-06-22
Abstract: 1,180,027. Two-part couplings. JOSEPH LUCAS (INDUSTRIES) Ltd. 5 June, 1967 [22 June, 1966; 8 Aug., 1966], Nos. 27923/66 and 35378/66. Heading H2E. A connector for use with a flexible printed circuit comprises a plug part 13 adapted to support the flexible printed circuit, a socket part 11 releasably engageable with the plug part, and carrying a plurality of conductive terminals 28, Fig. 5, which engage exposed conductive areas of the flexible printed circuit when said socket part is engaged with said plug part, and a further plug part 13a similar to the first plug part 13 and engageable therewith to clamp the flexible printed circuit firmly to the first plug part. The plug part 13, moulded in synthetic resin, comprises a base 15 integral with a pair of posts 16 which have grooves 16a to take fixing screws. Integral with the posts and extending between them is a rib 17 projecting beyond the base, having longitudinal grooves 19 in its top and bottom surfaces and having its outer edge 18 rounded. A slot between the rib 17 and the base 15 allows the printed circuit to be threaded through the body 13, over the edge 18 of the rib 17 and bent into the grooves 19, its end being clamped by further plug part 13a. The socket part 11 also of synthetic resin (Fig. 4, not shown) is formed with a plurality of transversely extending stepped channels (25) each communicating at its narrow end with a longitudinal slot (26) and each housing a conductive terminal 28. Each terminal, Fig. 5, has a base portion 29 with tags 31 which when deformed grip and make contact with an inserted conductive lead. A tongue 32 secures each terminal in its channel, and a pair of resilient arms 34 extend from the channel and define a pair of circular portions 35 to engage exposed areas of the printed circuit located in the grooves 19 of rib 17 in the first part of the connector. A pair of resilient barbed latch members 27 extend from the body 11 and engage in a slot (22) in member 13 to retain the two connector parts in contact.
Patent GB-1455914-A (GB)
Title: Photographic distortion machine
IPC: G03B27/68
Filed: 1974-08-12
Abstract: 1455914 Photographic distortion machine W P DUBBS 12 Aug 1974 [21 June 1974] 35516/74 Heading G2X A photographic distortion machine for producing a distorted print from a negative includes a lower housing section containing a linearly movable first platen, a second platen and means for moving the second in the same direction as but at a different linear rate than the first platen, the first platen being adapted to support a photographic medium, a cover section attachable to the lower housing section and a light box attachable to the cover section. The light box comprises a series of lamps spaced apart along a mounting means located transverse to the direction of linear travel of the relatively movable platens. A light collimating means is spaced from and parallel to the mounting means and has an elongated aperture. A mirror has a longitudinal axis and is located parallel with the light collimating means and aligned with the aperture. Means parallel to the longitudinal axis of the mirror forms a narrow elongate slit for directing a uniform high intensity beam of light from the lamps transversely across the path of the linearly movable platens. In operation light from a series of lamps 84 mounted in the cover 22 passes through collimating means 110 formed of angle members 112 and 114 and is reflected by the elongated mirror 120 and through the slit 130. The light beam produced falls on a negative 48 supported on platen 46 and passes on to photosensitive paper 28 supported on platen 26. The platens are mounted on frames 40 and 30 moved by a gear rack 36 meshing with a pinion on motor 28. A linkage inter-connecting the frames (of the type described in U.S.A. Specification 3445165) causes the associated platens to move at different speeds. A cooling fan 98 is provided.
Patent GB-500941-A (GB)
Title: Selecting and printing apparatus for use in telegraph circuits
IPC: H04L17/16
Filed: 1937-07-16
Abstract: 500,941. Type - printing telegraphy. KLEINSCHMIDT, E. E. July 16, 1937, No. 35587/38. Convention date, Aug. 13, 1936. Divided out of 499,033. Drawings to Specification. [Class 40 (iii)] A rotary member set to one of thirty-two positions by incoming signals carries pivoted spider arms one of which is tilted by a bailmember to position a selected type-bar lever for operation by a second bail-member. In certain positions of the rotary member a function-operating arm, e.g. for carriage shift, is selected to bring a roller on an operating lever into engagement with a continuouslyrotating cam. The invention is described with reference to apparatus identical with that shown in Figs. 23-30 of Specification 499,033. Specification 473,614 also is referred to.
Patent GB-945050-A (GB)
Title: Improvements in or relating to complex salts of nickel as light stabilizers for polypropylene
IPC: C08K5/33
Filed: 1961-10-04
Abstract: A polymer of an a -olefin having at least 3 carbon atoms (e.g polypropylene) is stabilized with an organo-nickel compound which is (a) a nickel salt of an aromatic o-hydroxy compound, (b) a nickel salt of an o-hydroxyphenylbenzotriazole, (c) a nickel salt of an a -ketoxime, (d) a nickel salt of a b -ketoimine, (e) a nickel salt of an a -aminocarboxylic acid, (f) a nickel dithiophosphate, (g), (h) and (i) a complex of bis (8-hydroxyquinoline) nickel with a diglycidyl ether of isopropylidene phenol or with pyridine or with an alkylamine, or (k) Ni(ligand)mXn where the ligand is an organic heterocyclic compound containing tertiary nitrogen or an organic compound containing N or N and O and X is an anion.  Optionally a phenolic compound (such as the condensation product of nonyl phenol and acetone) is present. Lauryl dithiopropionate, dialkyldisulphide, Zn dialkyldithiocarbamate or Zn trialkyldithiophosphate also may be present. A solvent such as benzene, hexane or chloroform, may be utilized in forming the composition.
Patent GB-1161889-A (GB)
Title: Polyepoxide Polymers
IPC: C08G59/50
Filed: 1966-08-11
Abstract: 1,161,889. Epoxy bonded laminates. UNION CARBIDE CORP. 11 Aug., 1966 [16 Aug., 1965], No. 35988/66. Heading B5N. [Also in Division C3] Laminates are prepared from glass cloth impregnated with a polymer obtained by polymerizing a polyepoxide, e.g. bis-(2,3-epoxycyclopentyl) ether (I), with water in an amount equal to or greater than 0À1 mole per mole of epoxide in the presence of a tertiary amine (see Division C3). The polymers which are tacky may be cured with aromatic diprimary amines. In an example a polymer obtained by polymerizing (I) with water in equimolar quantities in the presence of dimethylbenzylamine was dissolved in methyl ethyl ketone with a stoichiometric amount of m-phenylene diamine to 40% solids. It was used to impregnate 181 weave glass cloth and a 12-ply laminate was stacked and cured 5 hours at 120‹ C. and 10 hours at 160‹ C. both under 10 p.s.i.
Patent GB-786392-A (GB)
Title: Improvements in and relating to push-type centrifugal machines
IPC: F15B15/20
Filed: 1955-12-15
Abstract: 786,392. Centrifugal strainer separators. ESCHER WYSS AKT.-GES. Dec. 15, 1955 [Jan. 13, 1955], No. 36029/55. Class 46. [Also in Group XXIX]  In a push-type centrifugal separator relative reciprocation of the pusher member and strainer drum is obtained by a hydraulic motor comprising a piston 2 reciprocating in a cylinder 5 which rotates with the drum, a distributing valve 13 being disposed in the piston. Liquid is admitted from an inlet 10 through a bore 26 in a piston rod 4 to a centre space 27 of the bore of the valve spool 13 from whence it passes to one side or the other of the piston through a passage 29 or 30, the opposite side of the piston communicating through the passage 30 or 29 with a space 32 or 38 which is open to an exhaust space 36. At each end of a stroke of the piston pilot valves 14 are actuated to put one end of the valve bore into communication with the inlet space 27 and to close the other end of the bore to the inlet, the said other end of the bore being opened to exhaust through co-operating passages in the piston and cylinder. The valve spool 13 is thus driven into its other end position to initiate the return stroke. In a modification the pilot valves 14 are dispensed with, and liquid is admitted at each end of a stroke to the required end of the valve bore through cooperating passages in the piston and cylinder.
Patent GB-817085-A (GB)
Title: Improvements in or relating to inductively controlled signalling devices for signalling between a train and a track, for example, in railway signalling systems
IPC: B61L13/04
Filed: 1957-11-19
Abstract: 817,085. Railway signals. SIEMENS & HALSKE A.G. Nov. 19, 1957 [Nov. 19, 1956], No. 36065/57. Class 105. In a railway track signalling arrangement comprising an A.C.-excited transmitting coil 1 inductively coupled with a receiving coil 2 adjacent a track rail S so that variation of the coupling by presence of a train-wheel R produces a signal in the receiving coil, electrically conductive screening-plates 10, 20 are disposed below the coils to weaken that part Fu of the coupling flux not normally influenced by the wheel so that the relative variation of the total coupling effected by the presence of the wheel is increased. The coils 1, 2 may be disposed on the same side of the rail, or as shown, on opposite sides, and in each case the screening plates 10, 20 permit the coils to be disposed below the level of the upper edge of the rail to avoid physical damage. When disposed on the same side of the rail, the coils may be set at a level to produce a signal under the influence of a brake in raised position or may be lowered to operate with the wheel only. Further the coils may be disposed horizontally, or at an angle thereto, as shown.