baber/WOPTO huggingface dataset:
Patent GB-569205-A (GB)
Title: Improvements in or relating to cooling apparatus
IPC: F25D9/00
Filed: 1943-08-30
Abstract: 569,205. Refrigerators. HOBBS, E. W. Aug. 30, 1943, No. 14123. [Class 29]. A domestic refrigerator o: the kind having a jacket A<5> for still or flowing water is provided with a container D for a hygroscopic cooling agent such as ammonium or 'sodium nitrate arranged with one of its face; in close contact with the wall A<2> of the storage space and its other faces exposed to the air of the storage space. The container is closed by a cover D2 and has a vent D6 normally closed by a rubber &c. plug projecting from the inside wall of the cabinet door. When the door is opened the vent is free and the cooling agent absorbs moisture from external air and a reduction of temperature of the container ensues. The container may be held in position by springs D<1> and may have a perforated partition D4 for retaining the solid agent above a sump for the solution formed.
Patent GB-495839-A (GB)
Title: Electron multipliers
IPC: H01J43/30
Filed: 1937-05-21
Abstract: 495,839. Electron multipliers and circuits therefor. STANDARD TELEPHONES & CABLES, Ltd. May 21, 1937, No. 14182. Convention date, July 31, 1936. [Classes 39 (i) and 40 (v)] In an electron multiplier, the electrons are emitted in groups and at such a high frequency that a plurality of groups are in transit through the apparatus at the same time. The emission in groups may be effected by biassing the control grid 14 to such a negative potential that no current normally flows. An auxiliary grid 30 biassed more negatively may also be used. A screen 18 which may partially surround the anode 15 is arranged between the last secondary-emission electrode SE6 and the anode. The potentials for the successive secondary emitters may be obtained from divided batteries as shown and the electrodes SE, P may be screened from the output circuit by capacitative connections to a grounded shielding plate or tube surrounding the apparatus. The apparatus may be used as an amplifier or, by a back coupling from transformer 26 to control grid 14, as an oscillator. The Specification as open to inspection under Sect. 91 comprises also the subjectmatter of a divided Specification 495,843 and an arrangement, Fig. 9 (Cancelled) (not shown), in which modulating potentials are applied to two metal electrodes extending across the electron stream. This subject-matter does not appear in the Specification as accepted.
Patent GB-1033537-A (GB)
Title: Improved surface-potential controlled semiconductor device
IPC: H01L27/07
Filed: 1963-04-10
Abstract: 1,033,537. Transistors. FAIRCHILD CAMERA & INSTRUMENT CORPORATION. April 10, 1963 [June 11, 1962], No. 14256/63. Heading H1K. A transistor, e.g. Fig. 2, consists of a semiconductor body 1 collector mainly of one conductivity type, with a first (base) region 2 of the opposite type at one surface, and two separate regions, 4 and (base) 3, of the said one type disposed within the surface of the first region, the regions 3, 4 being separated at the surface by the material of the first region or by a thin surface layer of said one conductivity type (Fig. 4, not shown). A control electrode is capacitively coupled through a material of fixed dielectric constant, e.g. silicon oxide, to the surface region or layer between regions 3 and 4, and the junction between regions 4 and 2 shorted by an electrode 11. The Fig. 2 device may be modified by provision of a second N-type ring outside 4 and connected thereto by a surface electrode. In this case the surface path between the outer ring and the main bulk 1 of the body is controlled by a further capacitive electrode. Finally, the device may be modified as PNPN device by provision of a circular and surrounding P-type ring within zone 3 (Fig. 8, not shown), and a P-type ring in the main body surrounding zone 2. In this modification capacitive electrodes also control the surface paths between the circular and ring zones and between zone 2 and the outer ring and both rings are shortcircuited to the adjacent zones.
Patent GB-597328-A (GB)
Title: Improvements in or relating to axle box spring suspension gears for rail vehicles
IPC: B61F5/30
Filed: 1944-07-26
Abstract: 597,328. Guiding and spring supporting means for axle boxes of rail vehicles. SCHWEIZERISCHE LOKOMOTIV UND MASCHINENFABRIK. July 26, 1944, No. 14299. Convention date, June 28, 1943. [Class 103 (vi)] An axle box for a rail vehicle has on each side a supporting arm 3 carrying the load from the frame 4, transmitted through a spring 5, a supporting sleeve 15 in the bore 3a of the arm, and the horizontal carrier bolts 16. The latter have slightly tapered bearing faces and are driven home, so pressing the flange 17 of the supporting sleeve against a shoulder 18 in the arm, and are secured against axial displacement by a guard plate at their ends. Between the supporting sleeve 15 and the guide sleeve 6 on a guide stud 11' is a rubber ring 9. A ring 20 on the pin 21 serves as a stop for the suspension gear when the vehicle is lifted from the track. Lubricating oil is held 'in the space 12 between the guide sleeve 11 and a tube 22 secured to the cap 6b. On removal of the ring 20 and the carrier bolts 16 the suspension gear may be dismantled, the parts being removed through the bore 3a.
Patent GB-1308736-A (GB)
Title: Method of extracting aromatic hydrocarbons
IPC: C07C7/10
Filed: 1971-05-11
Abstract: 1308736 Separating aromatic hydrocarbons from mixtures SOC ITALIANA RESINE SpA 11 May 1971 [12 May 1970] 14337/71 Heading C5E A hydrocarbon mixture 7 is fed to a multistage extractor 1 and a stream 8 of anhydrous ethylene diamine or of ethylene diamine containing up to 20 wt. per cent water is fed to the extractor above the entry point of the mixture 7. The extraction temperature is maintained between 40‹ and 80‹ C. The extract phase 10 is removed from the bottom of the column and cooled by at least 30‹ C. so that a heavier solvent-containing phase and a lighter hydrocarbon-containing phase separate at 2. The heavier solvent-containing phase is recycled through line 11 to the extractor 1 at a region between the inlets 7 and 8. The lighter phase 12 is subjected to extractive stripping at atmospheric pressure at 3 to separate a non-aromatic stream 13 from the residuum 14. The residuum 14 is scrubbed with water 15 at 4 to produce an aqueous ethylene diamine stream 17 and an aromatic hydrocarbon phase 16 which is then rectified. The raffinate phase 9 from the extractor 1 is scrubbed with water 20 at 6 to produce a non-aromatic hydrocarbon phase 21 and an aqueous ethylene diamine phase 22. The aqueous ethylene diamine streams 22 and 17 are concentrated by distillation at 5. The extractor 1 can be a perforated tray column, a packed column, or a rotating disc contactor having 5 to 15 theoretical trays. Benzene can be recovered from hydrogenated reforming gasoline and benzene, toluene and xylene can be recovered from a mixture thereof with C 6-8  non-aromatic hydrocarbons.
Patent GB-569438-A (GB)
Title: Improvements in and relating to panels for roofs, walls and the like and roofs, walls and the like constructed therefrom
IPC: E04D3/365
Filed: 1943-09-02
Abstract: 569,438. Panel coverings for roofs and walls. ENFIELD ROLLING MILLS, Ltd., and STUBBS, R. L. Sept. 2, 1943, No. 14369. [Class 20 (iv)] Weatherproof panels for roofs, walls &c. consists of sheet-metal coverings 2 glued or otherwise secured to one surface of sheets of plywood, asbestos, cement, plaster-board, or the like 1, and provided with edges bent into inverted channels 3, 4 adapted to be overlapped. The overlapped channels may be reinforced by a T-shaped member 8 secured to and beneath the sheets 1 and bent to form a channel lying within them. The edges of the outer channels and of the inner reinforcing channels may be inwardly bent into contact with the inner channels and sheets 1. At the ridge the edges of the sheets may be covered with saddles or rolled, one over the other. Hook bolts with arcuate washers 20 are used to secure the panels to the purlins 15. Shaped metal strips may be joined to the sheets at the eaves or the coverings 2 may be shaped to prevent weather penetration.
Patent GB-1095633-A (GB)
Title: Improvements in or relating to an extensible link for connecting an implement to a tractor
Inventor: DODGSON JOHN
IPC: E02F5/14
Filed: 1965-04-06
Abstract: An extendable link for pivotally securing between the top link of a tractor lift linkage and an agricultural implement mounted on the power actuated lower links of the linkage comprises two bars of which one is slidable between the two parallel, spaced apart sides of the other.  A series of lateral notches are formed along one bar, whilst only one or a pair of such notches are formed on the other bar.  The bars are locked together by a manually movable pin being entered in aligned notches in the two bars.  The pin is mounted on a hand lever having an over centre locking spring and pivoted on one of the bars.
Patent GB-183643-A (GB)
Title: Improvements in safety razors
IPC: B26B21/40
Filed: 1921-05-25
Abstract: 183,643. Rosenbaum, W. E. May 25, 1921. Boxes combined with razors; lids and covers. -The handle of a safety razor serves as the fastening-device for a pocket receptacle containing the blade-holder and blades when not in use. The receptacle 1 has a hinged lid 3, the front edges of the lid and body being formed with longitudinal lips 5, 6 which abut when the receptacle is closed and are engaged by the lips 19 formed in the razor handle 14 by a longitudinal slot 15 therein. The movement of the handle on the box is limited by integrally bent lips 16 at the end of the handle abutting against a side wall of the lid.
Patent GB-1035115-A (GB)
Title: Method of filling a container with fluent material to a desired level
IPC: G01F23/00
Filed: 1964-04-08
Abstract: 1,035,115. Filling projectiles. RHEINMETALL G.m.b.H. April 8, 1964 [April 10, 1963], No. 14528/64. Heading F3A. After a quantity of fluent material is fed into a container 1 and compressed by a piston 2, more material is added, the quantity added depending on the level already in the container. Initially, a predetermined quantity is fed from the screw 3 and compressed into a layer I, by the piston 2. The piston is automatically reversed when it exerts a predetermined pressure on the material, and the time taken for the piston to rise to its initial position is measured by the device 4. To this time an additional factor is added depending on the fluid characteristics, e.g. viscosity, density. This total determines the time for which more material is fed by the screw 3 into the container 1, to be compressed into the layer II, and so on.
Patent GB-616302-A (GB)
Title: Improvements in electrical control systems for intermittently-energized loads
IPC: G05F1/00
Filed: 1946-05-14
Abstract: 616,302. Changing wave-shape; switching control systems. WESTERN ELECTRIC CO., Inc. May 14, 1946, No. 14550. Convention date, May 16, 1945. [Classes 38 (ii) and 38 (iv)] [Also in Group XXXVII] A control system comprises means for applying a current of periodically varying amplitude to two electromagnetic relays for causing the relays normally to operate in unison, means under control of the relays for applying power in impulses to a load device, and an input circuit for applying a biassing current to the relays, which biassing current is variable to effect a phase shift between the operating times of the relays and thereby control the application of power to the load device. The operating windings 9 and 13 of relays A and B are energized with pulsating current from a battery 15 which is connected in series with a vibratory self-shunting relay V, so that, with the relays A and B operating in unison, currentimpulses of equal duration but opposite polarity are supplied, from two parts of a battery 23, to a load 24, which is thereby unaffected. Relays A and B are also provided with biassing windings, 10 and 14 respectively, which are supplied from terminals 17 and 18. As shown, the terminal 17 is connected to the arm of a potentiometer resistor 20 which is connected across a battery 19 the mid-point of which is connected to the terminal 18, so that the relays A and B are supplied with a biassing current the direction and magnitude of which is dependent upon the position of the slider 20 in relation to the centre-point of the potentiometer. The biassing current is adapted to function cumulatively with the pulsating current in one of the relays A or B and to oppose it in the other, so that one of the relays leads the other in operation when biassing current is supplied to their windings and an impulse is passed from one part of the battery 23 to the load 24 during that period when the relays A and B are in different conditions. The load 24 may consist of a separately-excited reversible motor. The terminals 17 and 18 may be supplied with biassing potentials from the output of an amplifier valve circuit. The relays A, B, and V may be of the type described in Specification. 522,798, [Group XXXVII]. Specification 616,301 also is referred to.
Patent GB-243255-A (GB)
Title: Improvements in, or relating to, packages
IPC: B65D75/10
Filed: 1925-06-05
Abstract: 243,255. Rose, W., and Rose Bros. (Gainsborough), Ltd. Jan. 5, 1925. Wrappers for caramels and like articles. which are to be applied to form packages with twisted ends, are provided on the edges, which are to be twisted with incisions to impart a fringed, scalloped, saw-tooth or lace-like effect.
Patent GB-672472-A (GB)
Title: Improvements in low-voltage surface-discharge sparking plugs for internal combustion engines
IPC: H01T13/52
Filed: 1950-06-12
Abstract: 672,472. Sparking plugs. SMITSVONK, N. V. June 12, 1950 [June 17, 1949], No. 14618/50. Class 7(iv) In a low-voltage sparking plug of the kind in which between the electrodes 5, 6 there is arranged a separating body 7 of insulating or semi-conducting material, over the surface of which the igniting sparks travel, it is arranged that in a cross-section through the separating body 7 and electrodes 5, 6 in a plane perperpendicular to the active sparking surface, the two boundary lines between the separating body and the electrodes enclose an angle a that converges towards the active sparking surface and which is no less than 15 degrees and that the ratio of the thickness or minimum thickness b of the electrodes to the shortest distance c between them is not more than 5:1. The angle a is preferably between 2 degrees and 8 degrees whilst the distances c and b have maximum values of 0.3 mm. and 0.5 mm., respectively. The sparking plug may comprise more than two concentricelectrodes and the active surface of the separating body may be cylindical and situated on a part of the plug body. Specication 627.607 is referred to.
Patent GB-1043784-A (GB)
Title: Hair-cutting attachment for razors
IPC: B26B19/20
Filed: 1964-04-09
Abstract: 1,043,784. Razors. W. E. PARKER. April 9, 1964, No. 14629/64. Heading B4B. An attachment for a razor 3 to render the razor suitable for cutting a head of hair comprises metal wires 4 the ends of which are secured to fabric strips 1 2 and comb teeth 5 extending from one or both strips. The attachment has projections 6 to engage in recesses in the razor. Where the razor has a laterally projecting blade or blades for shaving along a straight line, the attachment may cover both the lateral projection and the normal razor cutters in which case it may be in two o separately-mountable parts; alternatively, the attachment may cover only the lateral projec - tion.
Patent GB-1448055-A (GB)
Title: Colouring of inorganic substrates
IPC: C09B67/42
Filed: 1974-04-02
Abstract: 1448055 Colouring inorganic substrates SUMITOMO CHEMICAL CO Ltd 2 April 1974 [2 April 1973 14665/74 Heading B2E [Also in Division Cl] An inorganic substrate is coloured by treating it with (1) a cationic component comprising an aqueous solution of a water-soluble cationic resin either alone of together with a water-soluble cationic dye; or an aqueous dispersion of such resin together with a cationic dispersion agent, a water-soluble dye or pigment and, optionally, a cationic water-soluble dye; and with (2) an anionic component comprising an aqueous solution of a water-soluble anionic dye; an anionic dispersion agent or an aqueous solution thereof optionally together with such. dye; or an aqueous dispersion of an anionic dispersion agent plus a water-insoluble dye or pigment and, optionally, an anionic water-soluble dye, the order of treatment with the components (1) and (2) being optional and at least one of them containing a dye or pigment. The substrate to be coloured may be glass beads or fibres, rock wool, mineral wool, mineral fibre board or cloth, concrete bricks or poles, aluminium powder or inorganic pigments such as calcium carbonate, alumina, barium sulphate or titanium dioxide. The cationic resin may be a polyamine-epichlorohydrin resin, polyamide-polyamine-epichlorohydrin resin (particularly a polyvinylaminepolyacrylamide-epichlorohydrin resin), a polyethylene-imine polymer or a polyamide-polyamine - polyester - polyether - epichlorohydrin resin. A number of types of anionic, cationic and (optional) non-ionic dispersion agents are specified. Many pigments are also specified and the dye may be of the direct, acid, basic, reactive, cationic, vat or disperse type or may be a fluoroescent brightener. When the substrate is powdery, fibrous or granular, it is coloured by stirring in an aqueous medium followed by addition of the cationic and anionic components at 10-100‹C. Boards, cloth and other such substrates are treated by spraying or dipping, usually with the cationic component first.
Patent GB-488050-A (GB)
Title: Combination kitchen utensil
IPC: B67B7/44
Filed: 1937-05-27
Abstract: 488,050. Kitchen utensils. THRASHER, E. E. May 27, 1937, No. 14774. Convention date, Sept. 3, 1936. [Class 28 (ii)] A combination kitchen utensil includes a paring-knife provided with a rotatable guard bar associated with its cutting edge and adjustable relatively thereto by means of an eccentric mounting in order to vary the depth of the out when it is used for paring or slicing operations. The blade 10 has a shank 11 anchored in the handle 12, a ferrule being provided. A collar 29 having a rack portion 30 is revoluble on the ferrule, and meshes with a pinion 31 on the guide bar 24, the end pins 25, 26 of the bar being eccentrically arranged. The pins 25, 26 are journalled in a tapered hole in a boss 23 projecting from the blade 10 and in an open-sided slot in block 18 carried at the other end of the blade. By rotating the collar 29, the bar 24 is moved from a position in which it contacts with and protects the cutting- edge 22, to the position of maximum thickness of cut. The bar is retained in any position of adjustment by a spring 32, anchored to the boss 23 and engaging the teeth of the rack 30. The edge 14 of the blade is sharpened and has an eye-removing projection 15. The edge 17 of the claw 16 is sharpened and co-operates with the block 18 for opening tins. The end of the block 18 is formed as a tack-puller 20, the surface 21 being bevelled to provide leverage for this purpose. The tack-puller 20 may also be used for removing caps from bottles, the blade 17 then being engaged with the top of the cap to provide leverage.
Patent GB-1505847-A (GB)
Title: High pressure metal vapours lamp
IPC: H01J61/54
Filed: 1975-04-10
Abstract: 1505847 Metal vapour lamps GENERAL ELECTRIC CO 10 April 1975 [28 May 1974] 14799/75 Heading H1D To aid starting of a metal vapour lamp with arc tube containing metal and inert gas an external metal member connected to one elec. trode and capacitatively coupled to the other lies against the tube wall when cold; it is deformed by heat to move away from the wall after starting. In a 150 W high pressure Na vapour lamp, with alumina arc tube 9 con. taining Ne + 1 %Ar starting gas together with Na plus possibly Hg in filling tube 12 reservoir when the lamp is to run base down, the remote electrode 15 and cap 11 are connected to the base terminal 5 by side rod 19. Bimetal U- shaped strip 23 is spot welded 24-25 to rod 19 and has curved ends 26-27 to wrap around tube 9 (see Fig. 2a). On heating, the strip opens as in Fig. 3a, reducing light obscuration, overheating of the strip, chemical reaction with the tube 9 and thermal etching of the tube by reflected heat. For wider movement, possibly with a thicker strip, the form of Fig. 4 is preferable. The strip reduces the starting voltage from 300 to 180. Other geometries, e.g. the arms swinging in an axial plane, are permitted.
Patent GB-168160-A (GB)
Title: Improvements in conveyors, screens or like apparatus
IPC: B65G27/00
Filed: 1920-06-01
Abstract: 168,160. Fletcher, J. W. June 1, 1920. Slide valves, cylindrical and piston; cylinders, valves co-axial with and moving over ports in.- In a conveyer or screening-apparatus wherein the trays are supported on inclined pivoted tubes, a jigging or reciprocating movement is imparted to the trays by inclined fluid-pressure motors connected thereto by links 7. The fluid supply to the cylinder 5 is controlled by a piston valve 16 arranged in a chamber rearwardly of and coaxial with the main cylinder, and operated by tappets 14, 13 on a piston tail-rod 11. The main exhaust is controlled by the piston, and an auxiliary exhaust passes through ports 16, 17. The stroke may be regulated by means of a series of controlled exhaust ports 15. A series of connected trays 3 operated by a number of motors fed from a common supply may be provided.
Patent GB-680902-A (GB)
Title: Improvements in or relating to time delay devices
Inventor: ELDRIDGE ALBERT
IPC: G04F3/00
Filed: 1949-06-02
Abstract: 680,902. Actuation of switches. MINISTER OF SUPPLY. July 20,1950 [June 2, 1949], No. 14868/49 Class 38 (v) [Also in Groups XVIII and XXXIII] A time-delay device for closing a circuit, comprises a rod 1, which is normally held in the position shown against the pressure of a coiled spring 6 by a pin 15 which may be inserted into any one of four holes 9 in the rod 1. Pivoted to the rod 1 at 14 is an escapement member 2 having a counterweight 3 at one end and pallets 11 at the other end. The pallets 11 cooperate with vertical rows of pins 5 carried by a fixed member 4. When, by pulling out the pin 15, the rod 1 is freed to be moved by the spring 6 the member 2 is oscillated by the pins 5 acting consecutively on the pallets 11 and the frequency of oscillation determines the time taken by the weight 3 to reach the bottom of the container 7.