baber/WOPTO huggingface dataset:
Patent GB-1311041-A (GB)
Title: Junction capacitor
IPC: H01L21/82
Filed: 1971-01-04
Abstract: 1311041 PN junction capacitors INTERNATIONAL BUSINESS MACHINES CORP 4 Jan 1971 [9 Jan 1970] 260/71 Heading H1K A PN junction capacitor is formed by diffusing a donor and a faster diffusing acceptor impurity into partially overlapped regions of a semi-conductor substrate and then depositing an epitaxial layer into which the impurities out-diffuse to extend the resulting PN junction into the layer. Typically arsenic is diffused into a P-silicon body or expitaxial layer through oxide masking. After forming the mask boron is diffused into an overlapping area and into another separate area. During a subsequent deposition of N- silicon to a thickness of 2Á, after removing the oxide, out-diffusion occurs to complete the overlapping regions 4 and 8a and the other region 8b (Fig. 8). Further sequential oxide-masked diffusions of phosphorus and/or arsenic, and boron respectively form extensions to the surface of regions 4, 8a, and 8b. Extensions 10 and 13 are exposed and ohmic contact made to them while regions 14, 8b have an isolating function. In a more compact arrangement there are a number of regions 4 overlapped on both sides by interleaved regions 8a. Surface extensions are provided to all regions to enable all the junctions to be externally connected in parallel.
Patent GB-508796-A (GB)
Title: Improvements relating to yarn-winding apparatus
IPC: B65H54/14
Filed: 1938-01-04
Abstract: 508,796. Winding bobbins. KIMPTON, W. H. Jan. 4, 1938, No. 262. [Class 120(ii)] In a machine for winding pirns &c. having a number of winding spindles and devices for automatically doffing completed pirns and donning fresh tubes, each spindle has its own starting and stopping device and the doffing and donning devices are controlled by a common mechanism comprising a clutch, a spring-urged catch which tends to throw in the clutch, a catch-controlling latch tending to move out of catch-controlling position, a locking member for the latch and a detector member under the control of all the starting and stopping devices for detecting the cessation of winding, when winding has ceased at all spindles and adapted then to allow the locking member to move to free the latch so as to permit the catch to throw in the clutch for operation of the doffing and donning devices by the common controlling mechanism. As shown, the controlling mechanism and the doffing and donning devices are those described in Specifications 475,157 and 486,304, a single controlling mechanism 7 serving five spindles and the starting and stopping rods 21 being each connected by a lever 22 to a rod 23 passing freely through a lever 24 fixed to a rock-shaft 25 and supporting the lever 24 during winding by lock-nuts 27 adjustable on the rod. One of the levers 24 or a separate finger on the shaft 25 engages a bell-crank detector lever 29 so that the latch 30, urged upwardly by the resilient pull of the chain 16 connected to the counting mechanism 17, holds the spring-urged catch 31 out of engagement with the clutch 8 of the controlling mechanism. As winding on a spindle is completed, the corresponding rod 23 is lowered and when winding is completed at all the spindles all the levers 24 are unsupported, the shaft 25 then rotating and moving the lever 24 or finger from the detector lever 29 ; the chain 16 then carries the latch 30 upwards to free the catch 31 which throws in the clutch 8 and allows the drum cam 9 actuating the doffing and donning devices to be driven by the continuously-rotating shaft 32 ; the donning and doffing devices are driven from pinions on shafts serving the five spindles and when a predetermined number of pirns have been wound from each of the supply packages, the counting mechanism 17 releases the chain 16 and allows the latch 30 to control catch 31 and prevent the clutch 8 putting the doffing and donning devices into operation. According to the Provisional Specification, doffing may be effected so that the pirns doffed from each spindle are collected in a separate receptacle, formed so that the pirns roll into a compact assembly within it and with drawers or slides to allow easy removal of the pirns collected therein ; by this means, pirns containing the same quality of yarn are separately collected.
Patent GB-323123-A (GB)
Title: Improvements relating to a.c. load transferring switches
IPC: H01F29/04
Filed: 1929-01-03
Abstract: 323,123. Tucker, A. W. G., and Ferranti, Ltd. Jan. 3,1929. Regulating transformers.-A load transferring switch device for A.C. transformers comprises two cross-shaped sets of moving contacts g and h which enable one half winding of each phase, e.g. a, b, and c simultaneously to be isolated from the neutral point X and from the equivalent windings d, e, and f of the other phases without disturbing connections of the other windings to the neutral point.
Patent GB-1372281-A (GB)
Title: Freeze concentration
IPC: C12H6/04
Filed: 1972-01-05
Abstract: 1372281 Freeze concentrating solutions STRUTHERS SCIENTIFIC & INTERNATIONAL CORP 4 Jan 1973 [5 Jan 1972 (2)] 362/72 and 363/72 Heading BIG [Also in Division A2] An aqueous solution comprising coffee extract, tea, beer, or citrus fruit is concentrated by freezing the solution to form ice, feeding the concentrated solution and ice to a centrifuge wherein ice is separated from the concentrated solution with foam formation, separating the foam and converting the latter to a liquor which is included in the final concentrated product. Foam is recovered from the ice, concentrated liquid and the centrifuge. The foam is generally removed from the centrifuge with wash water from melted ice, fed to a liquid holding tank from where liquor is removed and again concentrated and the foam fed to a treatment vessel wherein the foam is either treated with steam or allowed to subside after 2 to 24 hours to a liquid. Foam associated with the concentrated liquid may be recovered in a treatment tank in a manner similar to that recovered from the centrifuge. Foam associated with the ice is recovered by feeding the ice and foam to a melting tank wherein the temperature of the tank is rapidly increased, e.g. by heating coils, and the foam converted to a liquor. The foam may also be recovered by freeze drying. The process may be carried out continuously and the Specification includes flow diagrams of such continuous processes.
Patent GB-156548-A (GB)
Title: Process for removing carbon from iron or other metals and metal alloys
IPC: C21C7/068
Filed: 1921-01-05
Abstract: 156,548. Sch³tz, H. C. Jan. 11, 1918, [Convention date]. Alloys; metals, extracting.-In a process for removing carbon from iron and other metals or alloys by means of oxygen, the admission of oxygen is regulated in such a manner that only so much metal oxide is formed as can again be reduced by the active carbon present so that oxidation and reduction take place at practically the same rate and at the same time. The bath in which the operation takes place is externally heated and maintained at a temperature not exceeding the melting point of the metal or alloy under treatment. The oxygen is admitted by means of inclined nozzles of small cross-section so that the bath is given a circulating movement by the action of the impinging gases which may also heat the bath. The oxygen may be used in the pure state or as air with or without admixture with oxygen or other gases such as combustion gases or in the form of oxides. In this way the carbon is removed without any appreciable loss of substances such as manganese, chromium silicon, &c.
Patent GB-864083-A (GB)
Title: Portable dough former
Inventor: BELSHAW THOMAS ELWOOD
IPC: A21C5/00
Filed: 1959-01-06
Abstract: 864,083. Extruding dough rings. BELSHAW, T. E. Jan. 6, 1959, No. 492/59. Class 87(2). Dough rings are formed by metering dough from a hopper into a valve chamber and extruding the charge round a mandrel, the amount of the charge being adjustable to control the size of dough ring. A rod 12 is reciprocable in a hopper 16 containing dough and has at its lower end a mandrel 13, fitting in a discharge tube 18, above which is a check valve unit. The check valve unit comprises a rim 22, which fits with slight clearance (to prevent sticking) in a cylindrical valve chamber 17 and which is fixed to the rod 12 by spokes 23, and a disc 15 which floats on the rod intermediately. The rod is reciprocated from a motor 41 which, through speed-reduction gearing, drives a disc 47 which operates as an eccentric to drive a pitman 60 which is pivoted at its lower end to the top of the rod 12. The connection between the pitman 60 and the disc 47 is through a sleeve which is eccentrically mounted in the disc, with an eccentricity that can be varied and which is indicated by a dial 51. The stroke of the rod 12 is thus adjustable. The pivotal connection between the rod 12 and pitman 60 is through a pintle 65 which enters a hole in an enlarged head 66 on the end of the rod. The top connection of the pitman to the eccentric sleeve allows it to be swung outwardly to withdraw the pintle. The gear-box and motor are also easily removable, by means of slots 31, by slackening screws 32. The motor is started and stopped by a thumb switch 74 in the handlebar 37. In operation, as the rod 12 moves down carrying the valve component 14 and mandrel 13, the rod will slide through the hub of the floating valve component 15 and a charge of dough will be pulled from the hopper into the valve chamber 17. This charge is isolated when the component 14 reaches the floating component 15, which thus act as a check valve. After the closure of the check valve, the mandrel 13 leaves the discharge tube 18 and further movement of the check valve extrudes the charge of dough past the mandrel. The rod then moves upwards, the mandrel 13 re-enters the discharge tube 18, and a doughnut ring is cut off. Continued upward movement of the valve components draws a new charge of dough from the hopper and through the valve openings into the valve chamber 17 and the cycle recommences. Another switch 75 is placed in circuit, operated through a plunger 76 from a cam on the shaft 45, to ensure that the device does not stop when the mandrel 13 is outside the tube 18.
Patent GB-465583-A (GB)
Title: Improvements in instruments of sextant-type
IPC: G01C1/10
Filed: 1937-01-08
Abstract: 465,583. Sextant-type instruments. LEPETIT, A. Jan. 8, 1937, No. 589. Convention date, March 16, 1936. [Class 97 (ii)] [Also in Group XIX] A casing 18, Fig. 7, has two compartments of which one, 18<1>, contains a spirit level 1, Fig. 1, its illuminating devices 2, 5, and the mechanism 9-12 for moving the rotatable mirror 7, and the other 18<2>, contains an optical system 6, 7, 8, enabling the image of a star and the image of the spirit level to be brought into coincidence. The image of the level 1 is transported through the partition 19, separating the two compartments, by the reflecting prism 13, 14. In daytime the level 1 is illuminated by the removable device 2 which has striated plates 21, directing light on to the prism 3, and at night the device 2 is replaced by the lamp 5. The battery supplying the lamp 5 through a rheostat may be housed in a third compartment adjacent the compartments 18<1>, 18<2>. A diaphragm 4 with three apertures defines the line of view, and may be moved by a handle 17 to cut off the illumination for observation at night or to permit full illumination during the day. A spring (not shown) keeps the worm 10 pressed against the sector 9 to avoid lost motion. The inclination of the mirror 7 may be determined from graduations on a drum 11 integral with the mirror 7 and on the micrometer knob 12. The latter carries a paper disc 40 on which the setting may be marked by a pencil 32, Fig. 8, after each observation. The pencil 32 is pivoted on a spring plate 34 and may be moved to make a radial mark on the paper disc by the fork 35, lever 36, and spring plunger 39. A lamp is mounted in a small housing provided with mirrors to direct light on to the drum 11 and micrometer knob 12.
Patent GB-720553-A (GB)
Title: Improvements relating to tube and pipe joints and methods of making the same
Inventor: GABOR LASZLO
IPC: F16L13/16
Filed: 1952-01-08
Abstract: 720,553. Pipe joints. VEGYIPARIGEP ES RADIATORGYAR. Jan. 8, 1952. No. 597/52. Class 99 (1). [Also in Group XXII] A joint between a flagged pipe 12 and a metal body 16, Fig. 1, is made by inserting the tube into a recess 14 around an opening 15 in the body and then upsetting a ring 17 in the recess to hold the flange 10 against the end face. The tube and ring may be inserted as shown in Fig. 6. Two pipes 26, each jointed to a plate 27, may be coupled by bolting the plates together with the interposition of a packing ring 29, Fig. 5.
Patent GB-539543-A (GB)
Title: Improvements in and relating to devices for indicating the faulty operation of engines and machines
IPC: G01K3/10
Filed: 1940-01-12
Abstract: 539,543. Pyrometers. NAPIER & SON, Ltd., D., and RAMSAY, F. R. F. Jan. 12, 1940, No. 693. [Class 37] A pyrometer for indicating faulty operation in an engine or machine is arranged at a distance from the part the behaviour of which is to be indicated and is in communication with the said part by a heat-conducting liquid so that a warning indication is given when the temperature rises at a rate exceeding a predetermined value. A metal rod A carried by an insulating member B forming part of a cap C is provided with an insulated sleeve E upon which a resistance wire G is wound. Over this is placed another insulating sleeve F upon which a similar resistance wire G is wound, the wires D, G forming parts of an electric bridge as shown in Fig. 3. Wire G being in direct contact with the source of heat will respond more quickly than wire D to a change of temperature and consequently alter its resistance at a different rate to that of wire D. If the value of the difference in rate is large enough a relay Q will be operated and may operate red and green lamps R, S, the green lamp being biassed.
Patent GB-764879-A (GB)
Title: Method and apparatus for machining and relieving stresses in a workpiece
IPC: B23Q3/00
Filed: 1955-01-10
Abstract: 764,879. Copy-turning; milling; chucks. CREEK, J. O. Jan. 10, 1955, No. 697/55. Class 83 (3). [Also in Group XXIII] A method of relieving stresses in a long slender workpiece, such as a gas-turbine blade, during machining (e.g. milling or grinding) comprises rigidly clamping the work at opposite ends, rotatably driving the work at both ends, freeing one end to permit that end to be displaced as a result of stresses set up during machining, and then reclamping in its displaced position for further machining without stopping the rotation of the work. The lower end of the work 13, Fig. 1, is gripped by a chuck 12, the jaws of which are operated by a rod 14 mounted within the lower spindle 5. The chuck is secured by a threaded ring 11 and the spindle rotated by a gear 9 from a driving shaft 10. The same shaft drives the upper spindle 1 through a gear 8. The upper spindle is mounted in antifriction bearings 2, 3 and has its hollow interior opened out at one end to form a cylinder 15 for a piston 19 which may be adjusted by air pressure through an annular gland 24 to suit blanks of different lengths. A further piston 27 within the piston 19 is supplied with air through an annular gland 32 to actuate a spring-returned push-rod 33 with an enlarged head 30. A chuck 20, Fig. 2, for the upper end of the work, comprises a fixed jaw 40 and a pivoted jaw 45 moved by a cam surface 46 formed in the slotted end of a draw-rod 25. The latter is forced upwardly to close the jaw by a compression spring 35 which bears at its upper end on a thrust washer 37 and adjusting sleeve 38. The chuck jaws are held in position by a split retainer-ring 41 and a ring- nut 43, and the engaging surfaces of a shoulder 40b and end face of the chuck body form friction surfaces of a clutch which slips when pressure is applied to the upper end of the draw-rod 25. The chuck 20 fits into a tapered recess 18a in the upper spindle and is retained by a nut 21. The head 30, Fig. 1, of the push-rod 33 has a ball thrust bearing and is adapted to be brought down into engagement with the end of the chuck draw-rod 25. The chuck and the drive clutch may thus be released while the work is rotating to allow the work to rotate relative to the upper spindle to relieve stresses set up during machining. A modified chuck arrangement allows lateral as well as rotative movement of the work to relieve stresses. The upper end of the workspindle 1 is adapted to have interchangeably-mounted thereon a pattern 16 and a cam 17 for control of the position of the rotary cutter (not shown) during the machining operation.
Patent GB-381043-A (GB)
Title: A new or improved cylindrical or like can or container
Filed: 1932-01-09
Abstract: 381,043. Cans &c. STONEHAM, R. T. D., 108A, Cannon Street, London.- (Bhering Companhia Soc. Anon. ; 113, Rua 7 de Setembro, Rio de Janeiro.) Jan. 9, 1932, No. 701. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 19, 1932.] [Class 66.] A can of the kind adapted to be opened by the removal of a peripheral integral strip C from the wall of the body is provided with a resilient metal collar E with which the end B after removal may be engaged for re-closure purposes. The collar is anchored to the body by complementary peripheral recesses E<1>, A<1>, being formed in the contacting surfaces, and has one end slit at E<2> for interlocking engagement with the other, as shown in Fig. 7.
Patent GB-973291-A (GB)
Title: Carbon inks incorporating organic esters, especially novel organic esters as carnaubawax substitutes
IPC: C09D11/12
Filed: 1962-01-09
Abstract: Esters of formula RO.OC.CnHm.CO.OR1, in which n is an integer from 2 to 8, m is 2n and when n is 2, m may also be n; R is alkyl group from a straight chain aliphatic alcohol 16-22C., R1 is R or hydrogen, specifically mono-docosyl maleate and succinate, and di-docosyl succinate, pimelate, and sebacate which are claimed as novel compounds, and other succinates, glutanates, adipates, pimelates, azelates, sebacates, maleates and fumarates, are used as wax ingredients in carbon transfer inks (Division C4). Hexadecyl, octadecyl, octadecyl and docosyl are the alkyl groups mentioned and examples describe the preparation of the esters by the reaction of the alcohol with acid anyhdride in an organic solvent such as toluene, and with an acid in a solvent with a catalyst such as p-toluene sulphonic acid, followed by recrystallization.ALSO:Carbon transfer inks have a wax ingredient comprising one or more esters of formula ROOC.CnHmCO.OR1 in which n is an integer from 2 to 8, m is 2n or when n is 2 may be also n; R is an alkyl group derived from a straight chain aliphatic alcohol with 16 to 22 carbon atoms and R1 is R or hydrogen (see Division C2).  Esters are listed and examples describe the preparation of inks using paraffin ink oil, carbon black and nigrosine oleate toner with didocosyl succinate, and sebacate, dioctadecyl succinate, monodocosyl succinate and dioctadecyl sebacate as the wax ingredients, followed by coating the inks on a carbon paper backing.
Patent GB-346355-A (GB)
Title: Manufacture of anthraquinone derivatives
IPC: C07C50/34
Filed: 1930-01-08
Abstract: Hydroxyanthraquinones are made by treating anthraquinone or its derivatives with nitrosyl sulphuric acid in the presence of mercury or mercury compounds, the vigour of the reaction being controlled by restricting the proportion of mercury below 10 parts per 1000 parts of anthraquinone compound.  The reaction may take place in presence of sulphuric acid with or without boric, arsenic or phosphoric acids. In examples (1) anthraquinone (1 part) is added to a mixture of sodium nitrite (2 parts), boric acid (0,5 parts), sulphuric acid (20,1 parts) and mercuric chloride (0,002 parts) and heated; quinizarin is obtained, (2) 1 : 4 : 5-trioxyanthraquinone is similarly made from 1 : 8-dioxyanthraquinone, sulphuric acid, sodium nitrite, boric acid and yellow mercuric oxide.  Quinizarin carboxylic acid is similarly obtained from 2-methylanthraquinone.
Patent GB-209754-A (GB)
Title: Method of and apparatus for cracking petroleum oil
IPC: C10G9/20
Filed: 1924-01-10
Abstract: 209,754. Power Specialty Co., (Assignees of Primrose, J.). Jan. 11, 1923, [Convention date]. Addition to 179,493. Separate heater and evaporator apparatus.- In cracking hydrocarbon oils by passage through furnace-heated tubes, as described in the parent Specification, tubes 18, protected by casings 19 of refractory material, are arranged in the side walls of the furnace chamber 10. The chamber 10 is divided from a heating-chamber 11 by a bridge-wall 13, preferably hollow. Fuel supplied to a burner 14 is burned by air supplied through an adjustable damper 15. Tubes 18 may also be arranged in the roof of the chamber 10 and tubes 23, 25 protected by plain cast-iron casings 24, 26 in the roof and side of the heating-chamber 11. Tubes 20 in the heating-chamber are protected by corrugated cast-iron casings 22, the depth of the corrugations increasing in the successive rows of tubes, so that as the temperature of the heating-gases is lowered, the heat-absorbing surfaces of the tubes are increased. Oil is circulated through the tubes and through a vapour-separator. The vapours pass through a dephlegmator to a condenser. Specifications 176,099, 176,100, 176,102 and 182,772 are referred to.
Patent HK-28497-A (HK)
Title: Bias stabilizing circuit
Inventor: JANG JONG-JIN
IPC: H04L25/06
Filed: 1997-03-13
Abstract: There is disclosed a circuit for stabilizing the bias of a paging receiver. An oscillation control signal of first period is generated at the time when a voltage source is connected to the RF components. An oscillation means generates a signal of the center frequency of a received modulated signal in response to the oscillation control signal. A demodulation means demodulates the signal of the center frequency so as to generate a signal of second voltage that is received by a waveform reshaping means to stabilize the bias into the level of the second voltage. The RF receiver converts the received RF modulated signal into a signal offset by a frequency deviation from the center frequency during second period after the termination of the first period. The demodulation means generates a demodulated signal of first or third voltage according to the logical state of the received modulated signal. The waveform reshaping means compares the received demodulated signal with the bias so as to generate a digital signal of a constant duty ratio.
Patent HK-52090-A (HK)
Title: Soft solder of pb alloy for semiconductor devices
Inventor: HOSODA NAOYUKI
IPC: H01L21/52
Filed: 1990-07-12
Abstract: PCT No. PCT/JP83/00065 Sec. 371 Date Oct. 31, 1983 Sec. 102(e) Date Oct. 31, 1983 PCT Filed Mar. 2, 1983 PCT Pub. No. WO83/03163 PCT Pub. Date Sep. 15, 1983.A soft solder of Pb alloy for semiconductor devices that contains 1 to 65 wt % of Sn or In or both, the balance being Pb and incidental impurities which include less than 50 ppb of radioisotopes and the count of radioactive alpha-particles being not more than 0.5 CPH/cm2. The solder exhibits high adhesive strength and good wettability. The properties of this material may be further improved by addition of 1 to 10 wt % of Ag.