baber/WOPTO huggingface dataset:
Patent GB-114140-A (GB)
Title: Improvements in or relating to Surface Condensers.
Inventor: LOVEKIN LUTHER DANIEL
IPC: F28B1/02
Filed: 1917-12-13
Abstract: 114,140. Lovekin, L. D. March 6, 1917, [Convention date]. Straight tubes between headers; drip interception devices.-The tubes of a surface condenser are divided by a partition in the water chamber into primary and secondary groups, the primary group extending over the secondary group and down at each side, the arrangement being such that water of condensation from the space traversed by the primary group is prevented from entering the space traversed by the secondary group. The secondary group of tubes c extends down to the bottom of the condenser shell and has vertical sides and a V-shaped top corresponding to the sides and top of the partition C<5> in the water chamber C. Inclined baffles f<1>, F at the top of the secondary group and among the tubes of the primary group E direct the water of condensation into vertical spaces H between the groups. Additional baffles f parallel td the baffles f<1> may be arranged between the tubes of the secondary group. Longitudinal perforated plates G extending through the middle of the secondary group form an air passage g in communication with the outlet. The plates G are connected at their lower ends to inclined plates G<2> and an horizontal plate G<3>, which closes the bottom of the air passage. A short pipe G<4> dipping into a liquid seal around the outlet opens into the bottom of the air passage through an aperture in the plate G<3>, and the pipe A<4> connected to the dry-air ejector extends through the pipe G<4>. The condensate pump is connected to the outlet A<6>. Alternatively, the pipe A<4> and the outlet A<6> may be closed and the outlet A' connected to a wet air-pump. Short angle-irons f<5> are secured to the edges of the plates f, f<1>, F to cause the water to flow off the plates in a number of displaced streams instead of in continuous films. Instead of two steam inlets A<1>, the steam may be led into the sides of the primary condensing space through a single inlet divided by a partition.
Patent GB-821586-A (GB)
Title: Electric detonators
IPC: F42B3/12
Filed: 1957-06-12
Abstract: 821,586. Blasting detonators and fuzes; explosive compositions. NOBEL-BOZEL. June 12, 1957 [June 16, 1956], No. 18544/57. Classes 9(1) and 9(2) An electric detonator comprises a tube 1 of conducting metal e.g. Cu, closed by an insulating plug 3 through which ex-  tends a conducting rod 4 e.g. of brass, the rod and tube constituting electrodes to which leads 5, 6 are connected. The rod 4 is embedded in the explosive composition 7 filling the tube, the explosive being rendered conducting by the inclusion of lamp black, graphite, metal powders or pigments such as bronze or aluminium. To obtain the explosive a 40% aqueous solution of hydrazine hydrate may be mixed with a 30% equeous solution of nickel nitrate. The resultant precipitate is then dehydrated and washed with methanol or ethanol and after drying is powdered before mixing with the conducting material. In an example 70 parts by weight of the composition are mixed with 30 parts of Al flake. In a modification, a cylindrical cavity is formed in a plastic dynamite and filled with the pulverulent electrically conducting explosive. Two brass blades separated by a distance piece of insulating material and welded to electric leads are then embedded in the explosive filling. The hydrazine hydrate may be replaced by semi-carhazide or oxyamines.
Patent GB-138031-A (GB)
Title: Improvements in or relating to inclinometers and like devices for use upon aircraft and for other purposes
IPC: G01C9/10
Filed: 1919-07-26
Abstract: 138,031. Hathaway, A. H., and Hathaway, A. H. July 26,1919. Clinometers.-Relates to clinometers in which a pendulum arm co-acts with a ball &c. working within a circular track, and consists mainly in mounting the ball or balls within a smooth-bore race of circular cross-section. The race c is formed by a pair of annular members c<1>, c<2> of channel section placed together, a space c<3> being left into which pass the arms a<1>, a<2> of the pendulum member a, the balls d being disposed between the arms a<1> a<2>. The member a is pivoted on an horizontal axis b and carries a pointer a<4> co-acting with an annular graduated strip f. The whole apparatus is enclosed in a casing having a giass cover e<2>. In order to adjust the zero, the strip f mav have external teeth f<1> gearing with the pinion f<2>, which can be turned by the head f<4>. In a modification the member a is of circular shape having a V-shaped opening, and is provided with lugs projecting into the ball-race.
Patent GB-1100648-A (GB)
Title: Electric switch mechanism
IPC: H01H13/28
Filed: 1965-05-04
Abstract: 1,100,648. Retractive switches. ARROW ELECTRIC SWITCHES Ltd. 4 May, 1965 [24 Sept., 1964], No. 18659/65. Heading HIN. Movement of a spring 28 over-centre by an actuating member 30 causes a yoke 20 pivoted in the switch housing to snap between two at-rest positions and actuate a contact member 16 by a cam surface 27 on the yoke, cam surface 27 being shaped to provide a slow break contactseparating movement of contacts 14c, 16c. The switch-operating member is a push-button 40 with a biasing spring 48 and a guiding leg 46 of non-circular cross-section engaging a guide recess 47. Yoke 20 is U-shaped with cylindrical trunnions 25, (26), for pivotally supporting the yoke in recesses (25n) in the sides of the housing (see also Figs. 1 and 3, not shown). Contact member 16 is biased to the contacts-closed position. One end of compression spring 28 is seated on a nut (29) of yoke 20 and the opposite end seats on a finger (32) of actuating member 30. Member 30 has a pivot pin 34 in recesses 36 of the housing cover 12 and an arm 38 in a recess 42 of push-button 40. There may be two contact members 16 operated by cam surfaces 27 of yoke 20.
Patent GB-805470-A (GB)
Title: Improvements in and relating to piezo electrical transducers
IPC: H04R17/00
Filed: 1955-06-28
Abstract: 805,470. Piezo-electric loud-speakers. GENERAL ELECTRIC CO. June 28, 1955 [June 28, 1954], No. 18701/55. Class 40 (4). [Also in Group XL (c)] A loud-speaker comprises a number of barium titanate elements formed as discs or spherical caps 17 with electrodes 18,19. The elements may drive a common diaphragm. Each element is polarized so that it vibrates in a spherical mode, i.e. the radius of the sphere changes cyclically. To achieve this, the element is polarized parallel to the thickness dimension and to the electric field and the intensity of polarization is different, and may be of opposite sign, near the two electrodes. A method of polarizing an element in this manner is described in Specification 681,671, [Group XL (b)]. Alternatively the polarization may be radial in a plane perpendicular to the field exerted by the electrodes. In one arrangement, Fig. 2, elements are supported by shoulders 16 on holes in a rigid framework 12. In another arrangement, Fig. 4, elements 31 are mounted on bosses 30 on a frame 27. A diaphragm 33 with a corrugated edge 34 is cemented to the periphery of each element. If the element is flat, it may be secured to the diaphragm by spacers. The diaphragm and the frame are provided with holes 35, 36 to equalize the pressure. A spherical diaphragm, Fig. 5, may be used, to disperse the high frequency components. The elements may be connected in groups to supply terminals 74, 75, Fig. 6, so as to provide a desired impedance and to control dispersion of the high-frequency components. The central element 54 is in series with an inner ring of elements comprising two groups 55-57 and 58-60 in parallel. The inner ring is connected in series with the outer ring which also comprises parallel groups. The elements may be mounted on the four vertical walls of a radio receiver or on one wall and on a hinged flap.
Patent GB-993629-A (GB)
Title: Device for transferring radioactive articles
Inventor: MANSARD BERNARD
IPC: H02M3/10
Filed: 1964-05-05
Abstract: 993,629. Handling radio-active material. COMMISSARIAT A L'ENERGIE ATOMIQUE. May 5, 1964 [May 8, 1963], No. 18716/64. Heading B4Q. A fume cupboard B shielded by a lead wall 8 and hermetically sealed by an access door 4 removable by a handling device (not shown) within the cupboard, is associated with a transfer apparatus A for transferring a radioactive source to or from the cupboard. The apparatus A comprises a lead drum 10 rotatable on trunnions 12, 12<SP>1</SP> in bearings 14, 14<SP>1</SP> carried by the wall 8, this rotation being effected by a handle 20 operating gearing 16, 18. The drum 10 has a recess 22 disposed at right angles to the rotational axis, this recess being able to accommodate a removable flask C containing the radio-active source. When the apparatus is inoperative the drum occupies the Fig. 2 position in which the maximum drum thickness h is opposite the door 4 and bridges the gap in the wall 8. In order to transfer a radio-active source to the cupboard B the drum is rotated so that the recess 22 is vertical and a lift truck (not shown) lifts the flask C containing the source into the recess in which it is retained by screwing in screws 26. The flask plug 25 is lifted into a passage 34 in the wall 8 and retained by a bolt 36, Fig. 3. The drum is further rotated to bring the passage 24 opposite the door 4 whereupon, after opening the door 4, a handling device in the cupboard may withdraw the source from the flask.
Patent GB-331371-A (GB)
Title: Improvements in or relating to vertical hydraulic presses for metals
IPC: B30B1/32
Filed: 1929-06-18
Abstract: 331,371. Krupp Grusonwerk Akt. - Ges., F. May 30, 1929, [Convention date]. Cylinders. - A hydraulic cylinder has a bush 3 of dense material, e.g. electrolytic copper, and a cover 4 secured by a bayonet joint.
Patent GB-766371-A (GB)
Title: Process for the production of naphthalene hot-pressing material
IPC: C07C7/14
Filed: 1954-06-25
Abstract: Naphthalene having a solidification point greater than 79 DEG  C is obtained by cooling naphthalene oil to a temperature at which at least a part of the naphthalene is crystallized and treating it in a continuously operating worm press or other pressing means, the cylindrical external wall of which is preferably arranged horizontally and is formed with slots or holes through which the expressed oil discharges outwardly, the expressed oil being collected in at least two separate fractions, the latter one of which being rich in naphthalene is immediately again mixed with the starting material, after optional cooling.  Preferably the initial material is at a temperature less than 60 DEG  C. and is in the form of coarsely crystalline naphthalene.  The pressing means may comprise extrusion presses, thrust centrifuges, or worm centrifuges.  The pressing may either be effected by using two separate worm presses, and so choosing the individual pressures that the second press supplies a final product which has a solidification point of at least 79 DEG C., or by using a single worm press in which the expressed oil is formed with a substantially equal quantitative distribution throughout the entire length of the press housing, a higher pressure being set up at the beginning of the worm.
Patent GB-883747-A (GB)
Title: Improvements in cathodic protection electrode structures
Inventor: MORGAN JOHN HAROLD
IPC: C23F13/02
Filed: 1959-06-02
Abstract: 883,747. Anodes for preventing corrosion. READER & SONS Ltd., E. Aug. 31, 1960 [June 2, 1959], No. 18787/59. Class 123(1). An impressed current anode, e.g. for the protection of ships' hulls, and which affords protection against high current density adjacent the anode comprises a sheet of electrically insulating material 5, e.g. neoprene, which is bonded over the front and over the edges to cover part of the rear face of a steel or brass plate 4 and has bonded centrally to it an electrode 3 provided with the appropriate electrical connections, not shown. Galvanised bolts 7 extend through holes in the sheet 5 and the plate 4 to secure the anode, with the interposition of a layer of mastic, to a ship's hull. In a modification, Fig. 3, a neoprene disc 9, bonded to the centre of a galvanised steel plate 8, has bonded thereto an electrode 3. The electrochemical potential between the zinc and the steel, acting to reduce the effective potential between the electrode 3 and the plate 4, reduces the current density in that area.
Patent GB-673593-A (GB)
Title: Improvements in or relating to cathode-ray tubes comprising a luminescent screen
IPC: H01J29/18
Filed: 1950-07-27
Abstract: 673,593. Luminescent materials. PHILIPS ELECTRICAL INDUSTRIES, Ltd. July 27, 1950 [July 30, 1949], No. 18811/50. Class 39 (i). A cathode-ray tube comprising a luminescent screen containing a mixture of at least two compounds of sulphur and/or selenium with zinc and/or cadmium is characterized in that the luminescence curves of the luminescent substances are similar so that variation of the amount of energy absorbed per unit volume of luminescent material substantially does not involve any variation in the colour of the light emitted by this mixture of substances. The luminescent substances may be activated with one or more of the elements copper, silver, gold or phosphorus, and may contain nickel, cobalt, iron or compounds thereof which have the property of killing luminescence. Fig. 1 shows luminescence curves determined by measuring the light output of a screen excited by a moving cathode-ray, the current strength of the cathoderay being varied, and with maximum current strength the conditions approximate to those which occur with a television projection tube. The curve a is produced by silver-activated zinc-cadmium sulphide of yellow fluorescence, the blue component, the curve of which is to be matched to curve a, consisting of zinc sulphide activated with silver. ZnS is moistened with different' quantities of an AgNO 3  solution such that after drying products are obtained having 10<SP>-5</SP>, 4.10<SP>-5</SP>, 5.10<SP>-5</SP> and 6.10<SP>-5</SP> gram-atom Ag per gram-mol. of ZnS, these products being heated for one hour at 1250‹ C. in an atmosphere of 80 per cent of H 2 S and 20 per cent of HCI. The curves are shown by b1, b2, b3, b4, the curve b2 of the product having 4.10<SP>-5</SP> gramatom of silver substantially coinciding with curve a. A mixture of the yellow component having the curve a and the blue component having the curve b2 will thus exhibit no colourshift upon variation of the current strength. In Fig. 2 (not shown) the curves show how blue components consisting of ZnS with the addition of AgNO 2  and Al(NO 3 ) 3  may be matched to a yellow component as in curve a, Fig. 1, or to a yellow component consisting of copper-activated zinc sulphide-selenide, suitable proportions being given in each case. Self-activated zincsulphide with Al(NO 3 ) 3  providing blue luminescence may be matched with a yellow component consisting of silver-activated zinc-sulphide, Fig. 3 (not shown), and in Fig. 4 (not shown) a yellow component consisting of zinc-cadmium sulphide activated with silver is matched to a blue component consisting of silver-activated zinc sulphide containing aluminium, by the introduction of nickel as a " killer," suitable proportions being given. U.S.A. Specification 2,302,770 is referred to.
Patent GB-146986-A (GB)
Title: Improvements in and relating to waterproof paints
IPC: C09D191/00
Filed: 1920-07-06
Abstract: 146,986. Jerone, A. June 13, 1919, [Convention date]. Paint vehicles.-Consist of virgin wax, turpentine, and propolis. When the paint has been applied, it is exposed to a gentle heat from some source which does not emit smoke.
Patent GB-1106575-A (GB)
Title: Method and apparatus for moistening confectionery
Inventor: FAERBER HANS ARTHUR
IPC: A23G3/20
Filed: 1967-02-23
Abstract: Confectionery is moistened, for example prior to or after having been coated with powdered sugar, by wetting the confectionery with excess water, for example by immersion or preferably by spraying, or by exposing it to a copious supply of steam, and then blowing the excess water from the surface by exposure to a gas blast, to leave a moist surface.  A suitable apparatus comprises a belt conveyer, such as of wire mesh or other perforated material, having a water sprinkler, which may be rotatory, above, and also if desired below the belt, and an air jet which may also be rotatable, for example by the force of the issuing air, above, and also if desired below, the belt.
Patent GB-443332-A (GB)
Title: Improved apparatus for displaying cards, pictures or the like for inspection, sale, educational or other purposes
IPC: G09F7/02
Filed: 1935-07-03
Abstract: 443,332. Picture-mounts etc.; wordbuilding apparatus. BERNARDS, P., 1, Wilhelm Hauffstrasse, and OETTINGER, E., 2, Rheinstrasse, both in Friedenau, Berlin. July 3, 1935, No. 19076. [Classes 11 and 146 (ii)] Relates to apparatus for displaying cards, pictures, &c. of the kind in which the cards are slid through slits into windows or frames in a card-holding sheet and are retained by friction. The device, which is suitable for time-tables for school children, word-building apparatus, albums, &c., comprises a sheet divided into a number of card-holding frames or windowed compartments each having a card-engaging abutment, and cards provided with offset trailing ends, which engage the abutments when the cards are slid into position, so as to limit their movement. In one form, the sheet 1, Fig. 2, is cut out, to provide windows 13, and on the back are stuck panels 2, on which are pasted strips 4 to form sunken backings for the windows, offsets 7 on the insertion cards co-operating with abutments, which are formed by the ends of the strips 2. In a modification, the frames or windows are formed by depressing parts of the sheet between parallel slits 18, Fig. 3, so as to form the sunken backings. The insertion cards may be separate, or may be supplied in the form of a sheet, in which they are outlined by slits or scorings.
Patent GB-1361178-A (GB)
Title: Emergency escape apparatus
IPC: A62B1/20
Filed: 1971-07-13
Abstract: 1361178 Escape shoots CAR MAT CO Ltd 13 July 1971 [21 April 1970] 19085/70 Heading B7J An emergency escape apparatus comprises a flexible shoot 15 slidably attached to spaced support cables 9 inclined to the horizontal, e.g. at an angle of 45 degrees which shoot is movable from a contracted storage position, Fig. 3, to an extended position for use, Fig. 1. The shoot is of substantially U-shaped cross-section of elongate form in the extended position and composed of fire resistant material having rings or shackles 16 connected by means of webbing along the side parts of the shoot for attachment to the cables 9 each having one end connected within an escape aperture 1 in a building and having inner and outer closure panels 3, 4, and the other end connected to a respective ground anchorage 11, such as a concrete block. The uppermost ring 16 on each side of the shoot 15 is anchored to a fixed bar 5 in the aperture and the lower part of the shoot or the rings carrying the lower part may be weighted so that on opening the inner and outer panels 3, 4, of the aperture the shoot 15 unfolds under its own weight along the cables 9 to the ground and is ready for use. Cushion pads (21), (22), Fig. 5 (not shown), may be attached to the shoot 15 to prevent injury to the user and the lower end of the shoot may be doubled back on itself to form a pocket to prevent users of the apparatus from being ejected rapidly out of the end of the shoot.
Patent GB-406039-A (GB)
Title: Improvements in or relating to suction cleaners
IPC: A47L5/32
Filed: 1933-07-06
Abstract: 406,039. Vacuum cleaners ; pipe couplings. HOOVER, Ltd., Perivale, Greenford, Middlesex.-(Assignees of Kitto, W. H. ; 1317, Fulton Road, Canton, Ohio, U.S.A.) July 6, 1933, No. 19142. Convention date, Aug. 20, 1932. [Classes 8 (i) and 99 (i).] A vacuum cleaner with a floor-cleaning nozzle 3 has an adapter 11 for attachment of a hose and dusting tool, which adapter carries a spring latch 19 co-operating with the outer wall of the suction hood.
Patent GB-440649-A (GB)
Title: Improvements relating to band-brake adjusting mechanism
IPC: F16D65/56
Filed: 1934-06-29
Abstract: 440,649. Adjusting band brakes. YOXALL, J., York House, Deganwy, Carnarvonshire. June 29, 1934, No. 19277. [Class 103 (i)] Automatic adjusting mechanism for band brakes comprises a brake applying unit in which the screwed adjustment of one of the members of the unit is produced by one-way clutching means other than pawl-and-ratchet mechanism and due solely to relative movement of movable members of the unit. The unit comprises a toggle mechanism consisting of a member 111, mounted on fixed pivot 118 and engaging end 103 of band, a member 112 engaging the other end of the band and adapted to be operated by fluid pressure piston 107, the members 111, 112 being connected by a member 113. The member 112 comprises a part 132 adapted to turn on a part 122 which is adapted to screw on a part 139 and is pivotal in a part 126. On excessive movement of the toggle mechanism when wear has occurred, a projection 133 on the member 132 strikes the toggle member 111 and the member 132 is turned freely on the member 122 which is held stationary by a coil spring 127 fixed to the member 126. On return movement a projection 134 strikes the toggle member 111 and turns the member 132 in the reverse direction whereupon a coil spring 135 fixed to the member 132 grips the member 122 and turns it upon the member 139 to lengthen the toggle arm and adjust the brake. Two brake bands are shown acting on the same drum and operated by separate toggle units. In the other unit the roller 109 is mounted on the links 111 and the member 112 is mounted on the fixed pivot 118.