baber/WOPTO huggingface dataset:
Patent GB-200539-A (GB)
Title: Improvements in and relating to compression refrigerating apparatus for the mechanical production of cold
IPC: F25B41/06
Filed: 1922-02-14
Abstract: 200,539. Replogle, J. R. Feb. 14, 1922. Refrigerating, compression machines and processes for.-An evaporator of the flooded type is provided having an outlet port above the level of the inlet port and with a float-operated valve therein to control the inlet port and so arranged as to maintain a body of liquid refrigerant therein and a body of lighter lubricant with the top of the lubricant below the level of the outlet port. Sulphur dioxide may be used as the refrigerant. The driving motor is connected to the crank shaft of the compressor by suitable reduction gearing and the compressor may have any suitable form. The condenser comprises a dome and a pipe coil through which cold water is circulated. The evaporator comprises a header 102 closed at the front end by a concave plate 106 and at the rear end by means of an apertured plate 108. The aperture 110 is closed by a plate 111 grooved to receive a gasket ring and bolted to the plate 108 to make a gas-tight joint. The plate 111 has an inwardly projecting member 113 forming an inlet port 114 to which the liquid refrigerant conduit 115 from the lower part of the condenser is connected. A port 118 in the member 113 connects the port 114 with the interior of the header 102 and is closed by a spring-controlled ball valve 119, the spring being carried by a lever 121 bifurcated to embrace an elongated float 125 and pivotally connected thereto. The lever 121 is pivoted at 122 to the member 113 and is limited in its movement by means of a pin thereon engaging a notch in the lever. A passage 126 in the plate 111 is provided with a tube 126a extending inwardly and upwardly and having apertures 126b below its upper end through which the lubricant may overflow and with the vaporized refrigerant pass through a two-way fitting 127 and conduit 129 to the crank case 15. A baffle plate 126<c> is provided to prevent liquid refrigerant being thrown into the tube 126<a>. The heat-conducting surface is increased by the provision of a plurality of pipe coils or loops 136, 137 depending from the header, each loop having its respective ends connected thereto at different levels but below the level of the liquid. The loops may be provided with sheet-metal fins 138 and mav be adapted to receive ice-trays. The fitting 127, through a conduit 134, communicates with a suitable pressure control mechanism to control the closing and opening of the motor switch. In a modified form for use in a household refrigerator the evaporator is combined with a brine tank suspended in a compartment of the cooling chamber. The pipe loops and the lower portion of the header extend downwards into the brine tank and the tank is provided with open-ended chambers adapted to receive trays for water or edibles to be frozen or chilled. In this form the inlet passage to the header is controlled by a needle expansion valve operated by a float.
Patent GB-897609-A (GB)
Title: Exothermic shaped products for use in foundry practice
IPC: C22B5/06
Filed: 1961-02-06
Abstract: 897,609. Moulding processes. FOSECO INTERNATIONAL Ltd. Feb. 6, 1961 [Feb. 20, 1960], No. 4434/61. Class 83 (1). A preformed shape, e.g. for a foundry mould hot top &c. is made by the shell moulding process from a granular mix containing exothermically reacting ingredients, a refractory filler and a thermosetting synthetic resin. The formed shape 1 may be backed by a granular refractory 2 with a thermosetting resin binder. Montan wax or a silicone may be used on the pattern as a parting agent. The shell moulded surface may be given a facing of a refractory composition such as a mixture of zircon flour or aluminium stearate in carbon tetrachloride. Specifications 627,678, 774,490, 774,491, 785,984, 826,775 and 835,483 are referred to.
Patent GB-246795-A (GB)
Title: Improvements in and relating to electric welding machines
IPC: B23K9/035
Filed: 1926-02-16
Abstract: 246,795. British Thomson-Houston Co., Ltd., (Assignees of Chapman, V. J.). Feb. 16, 1925, [Convention date]. Heating by electricity.-In an electric-arc welding apparatus the arc is stabilized by producing a magnetic field directed across and extending along the line of the weld by coils 51 wound around one or both ends of beams arranged one on either side of the seam so that the beams form opposite poles of a magnet. The electrode 21<1> is fed from a stationary reel through a carriage 6 which is traversed along tracks 4 in either direction by a pair of belts or chains driven from a motor 10 and to either of which the carriage may be conected by lugs on a lever 14.
Patent GB-983620-A (GB)
Title: Improved single pressure steam generator construction
Inventor: WOOLLEY ERIC MAURICE
IPC: F22G1/00
Filed: 1964-02-03
Abstract: 983,620. Forced flow steam boilers. HEAD WRIGHTSON & CO. Ltd. Feb. 3, 1964, No. 4467/64. Addition to 980,413. Heading F4A. The steam geenrator described in the parent Specification is modified in that it generates steam at a single pressure and has at least one reheater circuit. Thus in Fig. 2 the generator has three reheaters arranged one above the other in the tube rows R, each of these rows being disposed between a pair of steam generating tubes S which extend continuously from top to bottom of the generator casing through which flows the heating gas. If the generator has only a single reheating stage the reheater tubes may also extend over the full height of the casing, Fig. 1 (not shown), or, as shown in Fig. 3, may occupy only the upper portion of the space between the tubes S, the lower portion being filled by tubes 6 looped from the adjacent tube S. Alternatively only the middle portion of the space may be occupied by a steam generating tube loop, the lower end being occupied by a dummy tube, Fig. 4 (not shown). The tubes are provided with internal axial, radial or helical ribs 15 and external helical fins 8 and longitudinal divider plates 9 which, when the tubes are assembled, assist the fins in effecting movement of the heating gas. Furthermore a helical guide plate mounted on an axial core may be located within the tube as described in the parent Specification. As in the parent invention, the internal ribs and helical guide plates and the external pins may be modified or omitted to give the desired heat transfer rates at particular parts of the tube system. Specification 980,412 also is referred to.
Patent GB-1299674-A (GB)
Title: Spacer for building shutterings of construction formwork
Inventor: MAIER JOSEF
IPC: E04G17/07
Filed: 1970-01-30
Abstract: 1299674 Spacing wall shuttering J MAIER 30 Jan 1970 4478/70 Heading E1S In order that wall shuttering 4, 6 may be spaced apart at any spacing in a certain range, each spacer 9 has two sets of equally-spaced holes A, V, therein, the spacings between the holes of each set being different, and the holes V being sufficiently long for a wedge 11, inserted therein, to be able to lock the spacer in position when inserted to any of a number of different depths, giving a range of spacings for any particular combination of one hole A, e.g. A1 (Fig. 6) and one hole V, e.g. V3, the spacings being from Z min to Z max. Preferred spacings, hole sizes, &c are given in the specification. Channel-sectioned members 13 are provided as abutments, and the spacers may be surrounded by distance pieces 8 with external elongate ribs thereon.
Patent GB-944530-A (GB)
Title: Improvements in journal-type staff bearings
IPC: G04B31/00
Filed: 1962-02-06
Abstract: 944,530. Bearings. W. KOHLHAGEN. Feb. 6, 1962 [Feb. 6, 1961], No. 4484/62. Heading F2A. In a gear-train assembly including a gear member mounted on a rotary staff 66 supported by end bearings 90, one or each of the bearings 90 is formed in a metal plate 36 or 38 having a projecting side formation 96 or 98 to increase its wall thickness at the said bearing and consists of a bearing recess 100 in the part of the plate thickened by the said side formation and open at one end and closed at the other to receive the staff end 102 as a journal fit therein. In one form shown (Fig. 3) the staff 66 is of uniform diameter therealong, is of material which is hardened and ground and has end play in the recess or recesses 100 which contain(s) a lubricant L. The recess or each recess 100 has a depth greater than the normal plate thickness and the staff ends 102 have a diameter greater than the normal wall thickness of the said metal plates. The part of the plate thickened by the side formation 96 or 98 has a total thickness greater than the staff-end diameter, the formation and the recess being formed by a punch-and-die combination. The projecting side formation 96 or 98 associated with the recess 100 is on the side of the plate 36 or 38 opposite to the open end of the recess 100. In another form a projecting formation 140 is on the same side of a plate 36c or 38c as the open end of a recess (Fig. 71). The recess or recesses may be circular, square or any other equilateral polygonal shape in crosssection. In a timing device 20 the gear-train assembly is combined with an electric motor 22 (Fig. 2), having an outer field plate 43 and a drive pinion 42 engaging with a gear member and includes a cup-shaped housing 34 and a metal plate 38 in the housing 34 parallel to and spaced from the bottom 36 thereof, both constituting the metal plates in which the end bearings 90 for rotary staffs carrying the gear members are formed, the housing 34 being closed at the top by the field plate 43.
Patent GB-1513332-A (GB)
Title: Methods of making semiconductor devices
IPC: H01L21/033
Filed: 1976-02-05
Abstract: 1513332 Semiconductor devices SONY CORP 5 Feb 1976 [15 Feb 1975] 4619/76 Heading H1K A first layer of poly-Si containing oxygen atoms and a second layer of poly-Si containing nitrogen atoms, deposited on a semiconductor layer, have openings made in them through which impurity material is diffused into the semiconductor layer to form a diffused region of a device. The poly-Si layers are formed by chemical vapour deposition using silane gas carried by nitrogen or an inert gas, and mixed with nitrogen oxide to obtain oxygen in the layer, or mixed with ammonia to obtain nitrogen in the layer. Control of the oxygen and nitrogen concentrations in the poly-Si layers is achieved by varying the flow rates of the gases in the mixtures. The layers formed in this way act as passivating layers. The openings in the layers are made either by plasma-etching or chemical etching through a photo-resist mask. Details are given of the application of the method to the fabrication of a bipolar transistor, a diode, and an IGFET.
Patent GB-1439419-A (GB)
Title: 3-thiolated-7-acylamido-cephalosporanic acid derivatives
IPC: C07F7/18
Filed: 1974-01-31
Abstract: 1439419 Silyl ester of triazolyl-thiomethyl cephalosporanic acid BRISTOL-MYERS CO 31 Jan 1974 [31 Jan 1973 18 May 1973] 4654/74 Heading C35 [Also in Division C2] In Example 2B, the corresponding trimethylsilyl ester is prepared by reacting with Me 3 SiCl, the acid of Formula II where Het is 1,2,3-triazol-4-yl.
Patent GB-939235-A (GB)
Title: Improvements in or relating to magnetic matrix memory devices
IPC: G11C11/06
Filed: 1960-02-10
Abstract: 939,235. Circuits employing bi-stable magnetic elements. PHILIPS ELECTRICAL INDUSTRIES Ltd. Feb. 10, 1960 [Feb. 13, 1959], No. 4689/60. Class 40 (9). Each storage element M11 &c. of a magnetic storage matrix comprises one magnetic core K11 with a high remanence and two auxiliary cores A11, B11 with a low remanence. A row conductor such as H1 is connected to auxiliary conductors L11, L12 each of which is linked with all three cores of a storage element. As shown, a pulse on conductor H1 is applied to all the storage elements of the row over the auxiliary conductor L11, L12 in parallel. The vertical conductors V1, V2 are each linked with all the auxiliary cores of a column. A control pulse on a column conductor is used to saturate the auxiliary cover. A control pulse on a row conductor H1 is sufficient to switch the core K11 from " 0 " to " 1 " only if the auxiliary cores All, B11 are saturated by a pulse on vertical conductor V1. The vertical conductors V1 &c. the reading conductors S1 &c. and the auxiliary conductors L11 &c. are so wound on the auxiliary cores as to avoid transformer coupling. The auxiliary conductors L11 &c. of a row may be connected in series each auxiliary conductor being bridged by an individual resistor. To read the information stored in a row, a reading conductor P1 or P2 is pulsed to restore all the storage cores of the row to " 0 " and the output pulses are supplied to amplifiers UV1, UV2.
Patent GB-180392-A (GB)
Title: Improvements in and connected with travelling carriages for overhead runways
IPC: B65G9/00
Filed: 1921-02-10
Abstract: 180,392. Hill & Sons, J., and Morrall, W. Feb. 10, 1921. Trollies for runways.-The wheels of a travelling carriage for overhead runways are mounted in two saddle members 1, 2 connected to each other and a load-carrying member 12 so as to be capable of turning together about their respective vertical axes. As shown, the saddle members are connected together by two parallel links 8, the extremities of which engage the saddle members at diagonally-disposed points 9. The carriage is steered by turning the load-carrying member 12 in the required direction. The pivotal connection between the ends of the links and the saddle members consists preferably of hardened pins 10, Fig. 1, which engage bushes 11 in the saddle members.
Patent GB-125692-A (GB)
Title: Improvements in and relating to Electric Motors and Generators.
Inventor: PREECE THOMAS
IPC: H02K1/26
Filed: 1918-03-19
Abstract: 125,692. Preece, T. March 19, 1918. Armatures and field magnets, cooling; cores; dynamos, regulating; motors, controlling.-Both the rotor S<1>, Fig. 1, and stator parts S<x> of a dynamo-electric machine of the disk type are built up of iron strips wound respectively upon flanges R', C'; the strips are slotted at their faces for the reception of the armature and field-magnet coils. The hollow spaces J of the side casings C are filled with water, the circulation of which is effected by a pump driven from the shaft A. A space O is provided at the top of the machine and is closed by a cover C<3>. The air-gaps between the armature and field magnets are adjusted to vary the speed or voltage by loosening the bolts C<2> aud moving the side casings towards or from the rotor. Fig. 2 shows a construction of rotor in which the iron strips are fastened to a pulley R<1> by bolts B having an outer flange B<1> and secured at the other ends by cotter pins B<2>; tapes may be wound at both sides of the disk. The tape may be slotted at the edges before winding so that, as winding takes place, the slots and projections coincide exactly.
Patent GB-1191617-A (GB)
Title: Silicone Acrylate Primers for Adhering Acrylate Finishes to Silicone Impregnated Leather.
IPC: C14C11/00
Filed: 1969-01-29
Abstract: 1,191,617. Coated leather. DOW CORNING CORP. 29 Jan., 1969 [23 Feb., 1968], No. 4824/69. Heading B2E. [Also in Division C3] The adhesion of an acrylic base finish to silicone impregnated leather is promoted by applying to the grain or buffed surface of the leather a film of a copolymer of 45 to 72% of ethyl acrylate, 12 to 30% of methyl methacrylate, 5 to 25% by weight of a silane of R |  formula: CH 2 =#CCOO(CH 2 ) 3 Si(OR') 3  in which R is hydrogen or methyl, and R' is an alkyl radical of less than 7 carbon atoms or a radical of the formula: -(CH 2 CH 2 O) n R" in which R" is an alkyl radical of less than 7 carbon atoms and n is 1 or 2 and 5 to 20% of glycidyl acrylate or methacrylate and then allowing the film to cure to a non-tacky condition before application of the acrylic finish. A nitrocellulose lacquer may be applied over the acrylic finish. The primers may be applied by airless spraying or roller from a solution of concentration 5% using, as solvent, ethylene glycol monomethyl ether, ethylacetate or other oxygenated solvents.
Patent GB-276299-A (GB)
Title: Improvements in and connecting with devices for calculations involving astrological data
Inventor: STOIBER OSKAR
Filed: 1927-02-21
Abstract: 276,299. Stoiber, O. Aug. 19, 1926, [Convention date]. Computing-scales. - A device for calculations involving astrological data comprises a time-piece with a dial 2, Figs. 1 and 2, around which is mounted for relative movement a ring 1 having a colour scale repeated six times. The ring 1 is mounted in a ring 10 secured to the dial 2 and provided with two twelve-hour scales 6. Behind the dial 2 and ring 10 is mounted a plate 7 guided for vertical movement on a frame 17 by pins 15 and slots 18. The plate 7 carries a ring 13 on which is rotatably mounted a disc 8 having a scale marked with symbols representing the sun, moon, and various planets. Handles 21, 22 on the plate 7 serve to effect the adjustment of the plate with respect to a scale 19 representing the months of a year. The hour hand 5 and minute hand 23 are actuated by pinions 24, 25 on the main clock spindle 26. A pinion 27 gearing with the pinion 24 has integral therewith a pinion 30 which through gearing 81, 32, and 34 actuates the planetary dial pointer 9. In operation, the colour scale ring 1 is set to the time of sunrise for a particular day by a pointer 12 and the planet dial 8 is similarly set on the scale 6. In a modification, Figs. 3 and 4, suitable for pocket use, the scale 6 is arranged inside the dial 2 and connected thereto by ribs 38, and the ring 1 carrying the colour scale is carried on a snap cover 36 and manipulated by a raised portion 37 on the ring. The plate 7 is guided on studs 41 and the planetary dial 8 is carried by the grooved ring 13 on the plate 7. The month scale is disposed within the dial 6 and co-operates with a pointer 44 attached to the ring 13 and passing through a slot in the dial. A lever 45 with a toothed segment 47 engaging teeth on the plate 7 effects its adjustment. Setting of the planetary dial 8 is effected by a lever 50 carrying a pawl 53 engaging ratchet teeth on the dial. The planet pointer 9 is frictionally mounted by means of a sleeve 58 on a sleeve 57 and is actuated through gearing 55, 56 from the clock spindle 26. The sleeve 58 carries a pinion 59 that can co-operate with a toothed segment 60 on a lever 61 for the purpose of setting the pointer 9 to the true time.
Patent GB-631474-A (GB)
Title: Improvements in or relating to tuning devices
IPC: H03J3/10
Filed: 1947-02-20
Abstract: 631,474. Adjusting radio apparatus. MUFFETT, Ltd., S. H., and LEBAR, L. C. Feb. 20, 1947, No. 4971. [Class 40 (v)] In a radio receiver the stator of a tuning condenser is pivotally mounted co-axially with the rotor and is adjustable angularly relatively to the rotor by means of a gravity cam designed to move the stator through a predetermined number of degrees. As shown, the rotor 1 is secured to a spindle 3 rotatable by means of a knob 4 provided with a mark cooperating with a "band set scale, and the stator 5 is mounted on supporting rods 7 secured, to one end of a lever 8 rotatably mounted on the spindle 3. The free end of the lever is provided with a boss 12 which acts as a counterweight and co-operates with a cam 13 mounted on a spindle rotatable by means of the knob 15, a pointer carried by the knob indicating " band spread." The Provisional Specification states that alternatively the stator may be adjusted by a screw, cord drive, or gearing mechanism.
Patent GB-111231-A (GB)
Title: Improvements in Glass Bottle Blowing Machines.
Inventor: CLEGG ALBERT EDWARD
IPC: C03B9/14
Filed: 1917-04-10
Abstract: 111,231. Clegg, A. E. April 10. 1917. Blowing.-In machines for blowing glass bottles and of the type in which the molten glass is drawn into the ring mould of the preliminary mould 12 by suction produced by means of a hand-operated piston 8<x> working in a stationary cylinder 8 and in which the blowing in the preliminary and finishing moulds is effected by compressed air supplied thereto from a source independent of the suction cylinder 8, the piercing- plunger 2 is normally held in the piercing position by a spring 1 and is retired during the concluding portion of the suction stroke of the piston 8<x> by means of a lever 6 fixed on the shaft 7 of the hand-lever 19 which operates the piston 8<x>. The spiral spring 1 is mounted on the plunger between a collar 3 and a stationary guide-bracket 4, and the lever 6 works in a slot 5 in the lower portion of the plunger and engages an adjustable stop 9 thereon. A rotatable ring-like plug 13, formed with parts to communicate with the suction and compressed-air chamber 15, 17, is mounted around the plunger immediately beneath the carrier 11 of the mould 12. The plug 13 is operated by means of a hand-lever, the movement being limited by stops.
Patent GB-688351-A (GB)
Title: Centrifugal clutch, particularly intended for change speed gears of motor vehicles
IPC: F16D43/10
Filed: 1951-03-02
Abstract: 688,351. Friction clutches. KREIS, F., and S.I.B.A. SOC. ITALIANA BREVETTI AUTOMOBILISTICI AR.L. March 2, 1951 [July 21, 1950], No. 5105/51. Class 80 (ii). The pressure elements of a centrifugal friction clutch are engaged through an inclined surface and disengaged by an edge at the end of a straight surface whereby the full engagement pressure is maintained until suddenly released. As shown a casing 2 freely rotatable on a shaft 1 is engaged by friction linings 17 on presser plates 16. Centrifugal weights 5 move outwardly against springs 6 on rotation of the weight carrier 4 which has a slight angular lost motion connection 23 with a hub 3 on the shaft 1. Each weight 5 carries springs 10 which act on pressure elements 9 through wedge shaped end surfaces on members 11 and co-operating surfaces on the pressure elements. Projections 13 on the ends of the elements 9 are formed with surfaces 14, 15 as shown. Formed in the presser plates 16, for coaction with the projections 13 are slots 18 having inclined bottom surfaces 20 and a cut-away portion 19 at one end. On initial outward movement of each weight 5, the projections 13 move into the slots 18 and the surfaces 14, 19 engage thus rotating the elements 9 which, due to their wedge shaped ends 12, stress the springs 10. During further outward movement the projections 13 coact with the slot bottoms 20 to move the presser plates 16 outwardly, the surfaces 15 sliding along one edge of the groove 18. When the projections 13 leave the slots 18 the clutch is finally engaged and the springs 10 rotate the elements 9 to their original position. If the speed of the shaft 1 decreases the projections 13 slide along the straight inner surfaces 21 of the presser plates 16, the engaging pressure being maintained until the projections pass over the cut-aways 19 and the clutch is suddenly disengaged.
Patent GB-434266-A (GB)
Title: Improvements in gluing or sticking
IPC: C09J7/38
Filed: 1934-07-09
Abstract: Materials, such as sheet materials, wood, metal, glass, concrete, fibrous masses, leather, or rubber are stuck together by applying to the surfaces to be united a high molecular polymer of a purely aliphatic mono-olefine having a branched carbon chain, and bringing the surfaces together.  One example refers to an adhesive comprising polymerized isobutylene, guttapercha, shellac, and sulphur.
Patent GB-307916-A (GB)
Title: Circular looms
IPC: D03D37/00
Filed: 1929-02-16
Abstract: 307,916. Clark, R. G. March 16, 1928, [Convention date]. Stop motions, warps.-In a circular loom, tbe warp threads 12 pass from bobbins 11 on a stationary table 10 through eyes 60,62 and spring- actuated tension arms 63 to eyes in a spacing ring 64, thence through a fixed annular spacer 39 and a spacer 71 and through slots in the upper ends of cam-controlled shedding-needles 13, 13<a>. If a warp thread 12 breaks, its tension arm 63 snaps down and contacts with an insulated metal bar 68, connected to an electric switch whereby the loom is stopped.