baber/WOPTO huggingface dataset:
Patent GB-918231-A (GB)
Title: Improvements in and relating to automatic multi-spindle lathes
IPC: B23Q5/34
Filed: 1961-10-10
Abstract: 918,231. Automatic lathes. WERKZEUGMASCHINENFABRIK GILDEMEISTER & CO. A.G. Oct. 10, 1961 [Oct. 10, 1960], No. 36387/61. Class 83 (3). An automatic multi-spindle lathe has camshafts for the feed movement of cross-slides and a longitudinal slide driven through " infinitely-variable " means, the feed drives being arranged to be connected through individual electromagnetic clutches. The machine comprises six work spindles 15, Fig. 4, mounted in an indexible turret 66. The latter is extended in the form of a cage with bars 66<SP>1</SP> and an outboard support ring 6611. The turret is indexed by Geneva mechanism driven from one of the main cam-shafts (35), see below, and a toothed ring 70. The bed 1 is constructed to receive coolant and a transparent splash guard 5 is fitted over the working space. Driving and feed mechanism. The work spindles are driven from a central shaft 12 rotated by a motor 8, belts 9, Fig. 7, and gears 10, II. The spindle end of the shaft 12 carries two pinions 13, 13<SP>1</SP>, each of which drives three spindles. A combined electromagnetic clutch and brake 15<SP>1</SP>, 15<SP>11</SP> is provided for each spindle. Two pinions 17, 17<SP>1</SP> are provided at the drive end of shaft 12 to rotate, in synchronism with the spindles, auxiliary shafts 16 which may drive work-feeding, screw-cutting or like devices. Faced surfaces are provided on the machine at 19-23, Fig. 3, for securing such devices in working position. A known type of " infinitely-variable " drive 31, Fig. 7b, with a motor 31<SP>1</SP> is provided for driving, through a pinion 32, Fig. 4, and ring gear 33, surrounding the spindle drum, the three main cam-shafts 34, 35 and 36. The latter controls the movements of top tool-slides 26, 27, Fig. 3, and the other cam-shafts control the two lower tool-slides. The middle tool-slides are fed by cams driven directly through gearing from the ring 33. Cam-shaft 36 also drives gearing 45-47 for a screw 48, Fig. 4, which feeds the longitudinal slide 30. All the cam-shaft drives are provided with double electromagnetic clutches which engage either the feed drive (above) or the highspeed drive (below). A further infinitely variable drive is provided for the high-speed drive rotating ring gear 52 arranged adjacent to the ring gear 33. The clutches are controlled from a switch-board incorporating a plug panel on which a predetermined programme can be arranged.
Patent GB-1479117-A (GB)
Title: Insulated gate field effect transistor
IPC: H01L27/12
Filed: 1975-09-04
Abstract: 1479117 IGFET R C A CORPORATION 4 Sept 1975 [12 Sept 1974] 36463/75 Heading H1K In an IGFET 30 the gate insulation 38, Fig. 2, preferably of thermally grown silicon oxide and overlying a channel region 50, also extends over a surface 36 of an insulating substrate 32 on which a single crystal Si island 34 containing the device 30 is formed, and a gate electrode 40 of, e.g. polycrystalline silicon, extending beyond the channel region over to the substrate is spaced apart from the surface 36 by the gate insulation 38. A gate insulating layer (38a) Fig. 5 (not shown), in one method of making the IGFET, is formed by first forming a mesa in an n-type epitaxial layer of silicon on sapphire or spinel by etching so that the mesa is surrounded by a twin layer (34c), Fig. 4 (not shown) of silicon on the substrate, and then oxidizing completely the layer (34c) and a portion of the mesa. Alternatively, the epitaxial layer is etched to form only the mesa, and then a vapour deposited thin layer of silicon on the mesa and the substrate surface is completely oxidized to form the gate insulating layer (38a). Boron from a strip of glass 42 deposited over a polycrystalline silicon layer (40a), Fig. 6 (not shown), is diffused in to the latter to form a doped polycrystalline silicon gate region. The gate electrode 40 and the gate insulation 38 are then formed by etching. The source and drain regions 46, 48, Fig. 11, are formed by diffusing p-type impurity from a doped glass layer 44, and aluminium contacts 52, 54 are provided through openings in the glass layer which also acts as a passivating layer. In the embodiment of Fig. 17 (not shown), the gate insulation comprises a thermally grown layer 38c of silicon oxide extending only over the channel region and a layer 39 of silicon nitride, aluminium oxide, or vapour deposited silicon oxide.
Patent GB-928857-A (GB)
Title: Improvements relating to dishes
Inventor: BROWNSWORD JOHN ALBERT
IPC: A47G19/00
Filed: 1960-10-25
Abstract: 928,857. Dishes. ELKINGTON & CO. Ltd. Sept. 22, 1961 [Oct. 25, 1960], No. 36512/60. Class 66. An entrÚe or vegetable dish, which may be of pressed metal, has an outwardly projecting rim 3 provided with recesses 5, 5<SP>1</SP> and projections 6, 6<SP>1</SP> which engage to prevent lateral sliding when a dish is inverted and placed on a similar dish as a lid. Extensions 4 of the flange form finger holds and the recesses and protrusions nest when the dishes are stacked one within the other.
Patent GB-820967-A (GB)
Title: Improvements in and relating to stabilised polypropylene
Inventor: TAYLOR ARTHUR WILLIAM CHARLES
IPC: C08K5/18
Filed: 1956-11-29
Abstract: Isotactic polypropylene is stabilized against the influence of light and heat by incorporating therein a small amount of a para-phenylene diamine in which at least one amino hydrogen atom is replaced by a hydrocarbon radical such as alkyl, aryl, or cycloalkyl.  The stabilizer may be incorporated in the polymer by spraying the polymer in powder form with a solution of the stabilizer and then melting the polymer.  The stabilizer may be N,N1-di-sec.-butyl-, N-isopropyl - N1 - phenyl-, N - sec. - butyl - N1 - phenyl-, N,N1 - dicyclohexyl-, N - phenyl - N1 - isopropyl-, N,N1 - di - phenyl-, N,N1 - di - isopropyl-, N - methyl - N1 - isopropyl-, N - di - methyl - N1 - isopropyl-, N - dimethyl - N1 - sec. butyl-, N - methyl - N - isopropyl - N1 - phenyl-, N - dimethyl - N1 - phenyl-, or N - cyclohexyl-N1-phenyl-para phenylene diamine.  The stabilized polypropylene may be spun into fibres or made into sheets or films.
Patent GB-1278105-A (GB)
Title: An electric water heating system
Inventor: MORGAN LEMUEL JAMES
IPC: F24H1/20
Filed: 1969-07-21
Abstract: 1278105 Valves PATTERSON-KELLY CO Inc 21 July 1969 36555/69 Heading F2V [Also in Divisions H2 and H5] A thermostatic flow regulating valve comprises a valve 50 carried by a stem 52 extending from a heat extensible bellows 54 and spring biased by spring 56 towards a valve seat 48. The spring bias is adjustable by means of an adjustment screw 60 protected by a closure screw 62.
Patent GB-1441308-A (GB)
Title: Photosensitive materials
IPC: G03G5/08
Filed: 1973-08-01
Abstract: 1441308 Vapour depositing photo-conductive materials; germanium electro-plating RICOH KK 1 Aug 1973 [2 Aug 1972] 36561/73 Headings C7B and C7F [Also in Division G2] A layer of germanium is produced on a copper plate by electrolysis of a solution of (a) GeO 2  in H 2 SO 4 , (b) GeO 2  in aqueous KOH, (c) GeS 2  in aqueous KOH + Na 2 S or (d) GeCl 4  or Gel 4  in ethylene glycol. An aluminium plate has vacuum deposited thereon a layer of Ge, Si, AlSb or Sb 2 S 3  and then a layer of an alloy of Se + As or Se + Te. A polyester film has a layer of copper iodide provided thereon by electron beam evaporation followed by vacuum deposited layers of Ge and Se + Te alloy. The substrate may also be metal-paper laminates and glass coated with Cr or tin oxide.
Patent GB-769500-A (GB)
Title: Improvements in or relating to organosilanes
IPC: C07F7/12
Filed: 1954-12-17
Abstract: An organosilane having attached to the silicon at least one halogenated hydrocarbon radical containing at least one chlorine, bromine and/or iodine attached to an aliphatic group, any remaining valencies of the silicon being satisfied with monovalent hydrocarbon radicals or halogen atoms, is reacted with (a) hydrogen fluoride in the presence of a catalytic amount of antimony pentachloride, or (b) antimony fluoride in the presence or absence of the antimony pentachloride catalyst, whereby at least one of the halogens in the aliphatic group is replaced by fluorine.  The halogenated hydrocarbon radical may be halo-alkyl, -alkenyl, -cycloalkyl and -cycloalkenyl, and aralkyl and alkaryl groups containing the halogen on the aliphatic portions thereof. Some of the halogen in the silane may be fluorine.  The reaction may proceed spontaneously or may require heat and may be effected at any pressure.  In the example (1) CCl3CH2CHBrSi(CH3)Cl2 was added to a mixture of SbF3 and SbCl5 to give the compounds CF3CH2CHBrSi(CH3)F2 and CF2Cl CH2CHBrSi(CH3)F2; (2) trichloromethylphenyltrichlorosilane, prepared by chlorinating tolyltrichlorosilane under ultra-violet light, is added to SbF3 to give trifluoromethylphenyltrifluorosilane (F3C.C6H4.SiF3); (3) the compound CF3.CF2.CH2.CHBrSi(C6H5) Cl2 is obtained from CBr3.CBr2.CH2.CHBrSi (C6H5) Cl2 and SbF3; (4) and (5) mixtures of isomers of the formula CF3.C6H4.SiF3 are obtained by bubbling hydrogen fluoride through a mixture of isomers of the formula CCl3.C6H4.SiCl3 and SbCl5.  Specification 769,499 is referred to.
Patent GB-368384-A (GB)
Title: Improvements in or relating to closure means for coke ovens
IPC: C10B25/16
Filed: 1930-12-05
Abstract: 368,384. Coke oven doors. ACKEREN, P. V., 62, Irmgardstrasse, Essen, Germany.- (Assignee of Koppers Akt.-Ges., H. ; 29, Moltkestrasse, Essen, Germany.) Dec. 5, 1930, No. 36801. Convention date, Dec. 9, 1929. [Class 123 (i).] A coke oven closure means comprises a door frame 14 having a plug 30, a shaped surface 34 on the door forming with another surface 35 on the doorway frame 15 a space 16 to accommodate a lute packing, and a packing frame 17, which carries a resilient plate 18 with a packing strip 37 serving as a self-sealing packing. The door frame is provided with arms 19 engaging hook-shaped members 31 carried by the doorway frame 15 which is secured to the oven by bolts 20 having heads which engage slots 27. Spring washers 28 and packing 21 render the joint between the frame 15 and the oven resilient and gas-tight. Bolts 36, 38 press the plate 18 and packing strip 37 into contact with the door frame and doorway frame respectively.
Patent GB-342058-A (GB)
Title: Improvements in and relating to sliding doors
IPC: E05F1/04
Filed: 1929-12-02
Abstract: 342,058. Sliding doors. O'ROURKE, J. F., 17, Battery Place, New York, U.S.A. Dec. 2, 1929, No. 36871. [Class 20 (iii).] A self - closing sliding door has means whereby it i s automatically pressed into firm contact with the wall as it reaches the closed position. A door 6, Figs. 3 and 5, the latter being a sectional plan on the line 5-5, Fig. 3, is suspended from an inclined track 11 by wheels 9, which are journalled in the doorsupporting bars 10. Endwise movement of the door is limited by stops 12, 13, on the wall 4, the door, when abutting against the stop 12 (as shown), closing an opening 5a in the wall. A lug 14 on the door engages with a bar 15 which is adjustably secured to the wall by bolts 16 and which has the same inclination as the track 11. The bar 15 has an inwardly projecting portion 15a and an inset portion 15b substantially parallel with the wall. In the sliding movement of the door from the open to the closed position, the parts 15a, 15b of the bar 15, by their engagement with the lug 14, serve to press the door into close contact with the wall. A similar arrangement to the lug and bar may be provided at the bottom of the door. The inner face of the door may be lined with any suitable material to provide a fire or gas-proof closure of the door opening. In a modification, the inset portion 15a is replaced by a wheel, rotatably mounted on a vertical pin, secured to the bar 15. Hand-operable means may also be provided to engage with the lug 14 and press the door more firmly on to its seat when the door is closed, the said means according to one construction being in the form of a cam pivotally mounted on the inset portion 15b.
Patent GB-1152730-A (GB)
Title: Scanning Apparatus.
IPC: G02B7/182
Filed: 1966-08-18
Abstract: 1,152,730. Mirror mountings. TEXAS INSTRUMENTS Inc. Aug. 18, 1966 [Sept. 1, 1965], No.37084/66. Heading G2J. [Also in Division H4] Relates to an optical scanning device in which a mirror is moved to cause reflected light to trace a curved line e.g. a circle or spiral. In a first embodiment, Fig. 1, a mirror 10 is attached to a glass or quartz resonant fibre 50 itself attached to a Piezo-electric transducer 52 having two pairs of poles spaced 90 degrees apart to which the alternating current from a source 22 is applied directly and via a phase-shifting circuit 40. The length of the fibre is adjusted so that it resonates at the frequency at which the scanner is to operate i.e. the frequency of the alternating current. The fibre amplifies the deflection (stresses) of the transducer, causing mirror 10 (preferably concave) to move and thus reflect light in a circular scan if the phase-shift is 90 degrees, or a spiral scan if the sine waves are ramp-modulated. In further embodiments the mirror is attached to a resonant fibre itself attached to the ends of two Piezo-electric length expander bars to which the alternating currents are applied, Fig. 2 (not shown); or the mirror is secured to a resonant fibre made of magnetic material which is clamped at its other end, the mirror-fibre-clamp combination being magnetized by a direct current biasing coil, and the resonant fibre being surrounded by electromagnetic driving elements to which the alternating currents are applied, Fig. 3 (not shown).
Patent GB-1023007-A (GB)
Title: Improvements in and relating to bearings
IPC: G04B31/06
Filed: 1963-09-20
Abstract: A lubricant composition for use on polished bearings comprises a mineral oil and one or more crystallization inhibitors, e.g. beryllium oxide, calcium oxide, vanadium pentoxide, zirconium oxide, tungsten trioxide, barium stearate, barium naphthenate, barium oleate, tristearyl borate, zirconium dioxide, zinc stearate, hydrated ferric oxide, cobalt oxide, nickel oxide, zinc oxide, germanium oxide, cadmium oxide, tin oxide, tellurium oxide, barium oxide, cerium oxide, lead oxide, chromium oxide and molybdenum oxide.
Patent GB-1149291-A (GB)
Title: Process for the production of substituted acetic acids
IPC: C07C51/093
Filed: 1966-08-19
Abstract: 1,149,291. Substituted acetic acids. CHEMISCHE WERKE HœLS A.G. 19 Aug., 1966 [21 Aug., 1965], No. 37218/66. Heading C2C. Hydrocarbon substituted acetic acids are produced by reacting at 0‹ to 15‹ C. a compound capable of forming carbonium ions with vinylidene chloride in 80-90% sulphuric acid. Compounds forming carbonium ions are alcohols, their esters with inorganic or organic acids or the olefines on which they are based, which, under the reaction conditions form stable carbonium ions but whose stability and steric structure is such that an addition can take place. The examples describe the preparation of t-butyl acetic acid, #-methyl and #-phenyl hydrocinnamic acid, adamantylacetic acid, and 2-norbornylacetic acid.
Patent GB-444085-A (GB)
Title: Improvements in or relating to attaching devices
IPC: B31D1/02
Filed: 1934-12-31
Abstract: 444,085. Cord fastenings. DENNISONVICTOR CO., Ltd., Minerva Road, Park Royal, London.-(Assignees of Flood, C. A. ; Framing- ham, Massachusetts, U.S.A.) Dec. 31, 1934, No. 37320. Convention date, April 30. [Class 44] [See also Group XV] The attaching device of a label &c. comprises a string, the ends of which are laid in opposite directions in a metal channel which is then clinched to secure the string. As shown, a series of spaced loops H, passing through labels G, has intermediate portions laid in a channel J which, after being clinched, is severed at the points K. Specification 444,086, [Group VII], is referred to.
Patent GB-1279852-A (GB)
Title: Infusion structure and method of forming the same
IPC: A61M25/06
Filed: 1969-07-25
Abstract: 1279852 Infusion needle assemblies DESERET PHARMACEUTICAL CO Inc 25 July 1969 [12 Sept 1968] 37545/69 Heading A5R An infusion needle assembly comprises a needle 60 secured to an inserter 20 comprising two body portions (36), (38) Figure 1 (not shown) disposed either side of a weakened portion 41, and two wing portions 22, 24, each body portion having a respective needle-receiving semi-cylindrical groove 50 or 52 with recesses 54, 56 in which adhesive is placed to secure the needle in the grooves after folding of the inserter about the portion 41 to bring an upstanding disc 30 on wing 22 into engagement in an aperture 32 in wing 24 to hold the wings in face-to-face contact. In an alternative embodiment, Figs. 7-11 (not shown), the aperture and disc on the wings are stepped to form an interlocking joint. Adhesives may additionally be used to hold the wings together. The inserter is preferably made of substantially stiff plastics material such as polyethylene or polypropylene.
Patent GB-1448758-A (GB)
Title: Thiazole derivatives
IPC: C07D277/56
Filed: 1974-08-29
Abstract: 1448758 Thiazole derivatives ROUSSEL UCLAF 29 Aug 1974 [29 Aug 1973] 37855/74 Heading C2C Novel compounds I (in which R is C 2-12  alkyl and R<SP>1</SP> is H, C 1-8  alkyl or C 1-12  acyl) are prepared by reducing a compound II (in which R<SP>1</SP> 1  is H or C 1-8  alkyl) to give a compound I in which R<SP>1</SP> = H, and, if desired, etherifying or esterifying this compound to give a compound I in which R<SP>1</SP> = C 1-8  alkyl or C 1-12  acyl. Compounds II in which R<SP>1</SP> 1  is C 1-8  alkyl are prepared by esterifying the corresponding acids. Pharmaceutical compositions having hypolipaemic and vasodilatory activity, for oral, rectal or parenteral administration, comprise a compound I together with a pharmaceutical carrier or excipient.
Patent GB-909025-A (GB)
Title: Improvements in or relating to self-excited synchronous alternators
IPC: H02P9/32
Filed: 1960-11-03
Abstract: 909,025. Alternators; transformers; automatic voltage control. ELIN-UNION A.G. FUR ELEKTRISCHE INDUSTRIE. Nov. 3, 1960 [Nov. 6, 1959], No. 37891/60. Classes 35, 38 (2) and 38 (4). In a self-excited synchronous alternator G having its excitation winding supplied via a rectifier Gl with current components dependent on the output voltage and load current of the alternator, the current and voltage components are combined either, as shown, by a transformer Tr having separate primary windings PW1, PW2 and a common secondary SW, or by separate transformers having serially connected secondary windings, but in both cases the leakage of the primary winding carrying the voltage dependent component is greater than that of the primary winding carrying the current dependent component. To obtain higher accuracy of control the leakage paths of the transformer Tr may be made wholly or in part of ferromagnetic material whose permeance may be varied by the D.C. biasing winding VW whose energizing current may be derived (as shown) via the auxiliary rectifier HGl from the alternator output, if necessary through measuring transducers and intermediate amplifiers (not shown). The transformation ratio may be varied by tap changing to facilitate the initiation of the exciting process, and the on-load transformation ratio may be altered by one or more coils embracing the leakage paths and having their circuits completed through fixed or variable impedances. As an alternative embodiment the leakage transformer may consist of two parts, one of which is stationary and the other of which rotates with the alternator rotor, so that slip rings are not required for supplying excitation current to the machine.
Patent GB-915848-A (GB)
Title: Rotary drum type poultry plucking machine
IPC: A22C21/02
Filed: 1960-11-04
Abstract: 915,848. Plucking poultry. GAINESVILLE MACHINE CO. Inc. Nov. 4, 1960 [Nov. 5, 1959], No. 38007/60. Class 28 (2). Shafts 47, 47<SP>1</SP>, Fig. 3, each carry alternately thereon drums 65, 67, Fig. 1 having rubber plucking fingers 69 and respectively fast with the shaft and driven oppositely thereto from a countershaft 54 via belts 59. Chickens C pass on a conveyer 64 between the shafts 47, 47<SP>1</SP>, corresponding drums of which rotate oppositely, the drums 65 so as to exert a downward pull on the chickens. Some drums 67 may rotate faster than others. The shafts 47, 47<SP>1</SP>, 54 are belt-driven by motors 55 on pivoted supports 58, the respective assemblies being mounted on frames A, B slidable on rods 15 under the control of linkages 40 to adjust their spacing. The rods 15 form part of a carriage the front and rear ends of which are independently adjustable in height by having bearing collars 14 sliding on main machine supports 11 under the control of winches 21 whose cables 22 are secured to respective collars 14 and whose pull is transmitted to the corresponding collars 14 on the remote sides of the carriage by cables 16 passing to anchorages 17, 20 over pulleys 18 on the collars 14.
Patent GB-833004-A (GB)
Title: Improvements in and relating to submarine signalling cables
Inventor: MEYERS ARTHUR LENNOX
IPC: H01B7/14
Filed: 1956-12-12
Abstract: 833,004. Cables. SUBMARINE CABLES Ltd. Dec. 11, 1957 [Dec. 12, 1956], No. 38014/56. Class 36. A coaxial submarine cable has an inner conductor comprising at least two tapes applied longitudinally to a central core the tapes being of such width that the edges of the inner tape or tapes do not overlap whilst those of the outer tape or tapes do overlap and are closed by a seam, e.g. a box seam. The thickness of the tapes is chosen so that in combination they provide the required current carrying crosssection. A lightweight cable embodying these features consists of a central core of steel strands 1 and 2 constructed to obviate twisting under tension, an aluminium tape 3 with a gap 9 between its edges, a thinner copper tape 4 closed by a box seam 10 which is pressed into the gap 9 by drawing through a die, a layer of polythene 5, an outer conductor 6 comprising six aluminium tapes helically applied, a cotton tape binding 7 preferably impregnated with a corrosion inhibitor such as barium chromate, and a polythene sheath 8. The shore ends of the cable may have external armouring. Specifications 703,782 and 740,647 are referred to.