baber/WOPTO huggingface dataset:
Patent GB-998972-A (GB)
Title: Improvements in or relating to guanidine derivatives suitable for combating noxious organisms
IPC: C07C279/26
Filed: 1961-10-13
Abstract: The invention comprises compounds of the formula <FORM:0998972/C2/1> or a salt thereof with an inorganic or organic acid or with a phenol or thiophenol, wherein R represents an abietyl residue or a dehydro-, dihydro-, or tetrahydroabietyl residue, R1, R2, and R3 each represent hydrogen or an alkyl group with one to six carbon atoms, and n=1 or 2.  Compounds in which n=1 are prepared by reacting an amine RR1NH with cyanamide, or with a salt of S-alkyl or S-aralkylisothiourea when an alkyl- or aralkylmercaptan is split off, of with BrCN followed by reaction of the resulting intermediate with ammonia. Compounds in which n=2 are made by reacting RR1NH with dicyanodiamide.ALSO:Fungicidal compositions contain, as active ingredient, at least one compound of the formula <FORM:0998972/A5-A6/1> or a salt thereof with an inorganic or organic acid or with a phenol or thiophenol, wherein R represents an abietyl residue or a dehydro-, dihydro-, or tetrahydroabietyl residue, R1, R2, R3 each represent hydrogen or an alkyl group with one to six carbon atoms, and n = 1 or 2, together with an inert solid or liquid carrier.  The organic acid salt may be a carboxylic acid, sulphonic acid, alkylcarbamic acid, alkylthiocarbamic acid, alkyldithiocarbamic acid or alkylenebisdithiocarbamic acid salt.
Patent GB-1402795-A (GB)
Title: Door-closer to be installed in a floor
IPC: E05F3/10
Filed: 1973-08-02
Abstract: 1402795 Floor mounted spring door closers VEREINIGTE BAUBESCHLAGFABRIKEN GRETSCH & CO GmbH 2 Aug 1973 [5 Sept 1972] 36865/73 Heading E2M In a floor mounted door closer in which a closure spring 10 and a piston and cylinder damper 13 lying side by side are connected via a rocker arm 39 (pivotally mounted at 40), a coupling piece 37, and a crank 27 to a closer spindle 4, the crank 27 and arm 39 are of plate form, the coupling piece 37 is formed from two identical plates 36, and the ends 47, 49 of piston and spring are forked to engage the arm 39. The cylinder is pivotally mounted and the mountings for the cylinper, and spindle is arranged as shown in Fig. the parts to be lifted vertically out for replacement. The spring is adjusted by means of screw 70 and the coupling piece 37 has a cranked out portion 38 which can receive eccentric crank mounting pin 26 on rotation of the spindle 4. The main bearing for the spindle 4 comprises a cylindrical projection 16 which is received in a corresponding recess 17 at the base of the spindle, axial forces being taken by a ball 18 which engages in a bearing cone 19. A further bearing 22 fits around an upper cylindrical portion 25 of the spindle. The damper cylinder is provided with a bearing recess 9 and a bearing journal 59 which engage a corresponding projection and recess. The projection 59 consists of a sleeve 61 into which is mounted a fluid regulation screw valve 64 for the damper. Preferably the linkage between spring, damper, and spindle is arranged as shown in Fig. 2 when the device is in the 'closed position'; the pivot point 40 of the arm 39, and the articulation points 50, 51 of spring and damper being in approximate alignment, and with the two pivots 43, 44 of the coupling piece in approximate alignment with the point 51. In addition this alignment 43, 44, 51 preferably makes an angle of about 25‹ with the longitudinal edge of the device. In the region of bearing 22 the spindle carries a detent groove (not shown) which is engaged by a spring loaded ball (not shown) when the door is in a predetermined open position.
Patent GB-503746-A (GB)
Title: Improvements in and relating to tobacco feeding mechanism for continuous rod cigarette making machines
IPC: A24C5/39
Filed: 1937-10-13
Abstract: 503,746. Cigarette-making machines. AMERICAN MACHINE & FOUNDRY CO. Oct. 13, 1937, No. 36884/38. Convention date, May 28, 1937. Divided out of. 503,685. [Class 130] A tobacco-feeding mechanism for a continuous-rod machine comprises means for advancing a layer of tobacco to a member 41 forming a tobacco supporting surface or channel, a movable device F coacting with the member 41 to compact and advance the tobacco and comprising a series of tobacco engaging members 52, 53 extending across the width of the channel, and a device acting on the leading edge of the tobacco layer advanced by the compacting and feeding device to separate tobacco from the layer for delivery into the feed shoot 65. The tobacco may be advanced to the member 41 by the feeding arrangements described in Specification 503,685 and comprising a vibrating conveyer member 23, the lower end of which is shown in Fig, 1. The member 23 is mounted upon resilient supports 24 and given a short and rapid vibratory movement by an electromagnetic or other vibrating device. The tobacco layer is confined by side plates 42 on the member 41 and by resilient strips 43 secured to the side walls of the member 23. In one form, Figs. 1 and 2, the device F for forwarding and compacting the tobacco comprises outer and inner members 44, 45 provided at their ends with bushings 47 by which they are mounted on eccentrics 48, 49 on a driven shaft 50. Sets of fingers 52, 53 mounted alternately on the members 44, 45 are provided with serrated or roughened lower faces for engagement with the tobacco layer and are actuated by the eccentrics 48, 49 so that each set of fingers descends in turn on the tobacco layer and moves forwards to advance the layer over the member 41. The members 44, 45 are supported by means of integral arms 54, 56 connected with links 55, 57 pivoted on a shaft 58 carried by adjustable brackets 69. The tobacco layer is advanced over the edge of the member and portions are separated, for delivery into the feed shoot 65, by a separating device comprising a roller 61 provided with one or more longitudinal blades, or with picker pins 73 arranged helically so as to engage along the entire front edge of the member 41 at least once in each rotation. The feed shoot 65 is provided with a movable front wall 67, mounted on pivotally supported members 68, and with end plates 70, and delivers the tobacco on to a cigarette paper web P to form a laminated filler. In a modification, Fig. 4, the upper surface of the member 41 is concave and the forwarding and compacting device comprises discs 77 mounted on the shaft 50 and provided with radial fingers 77<1>. The discs 77 are secured to the shaft 50 by an inclined key, so that the fingers 77<1> are angularly offset, and 'annular grooves 78 between adjacent discs allow the passage of the pins 82 of a picker roll 83 for delivering the tobacco into the shoot 65.
Patent GB-806923-A (GB)
Title: Improvements in or relating to semi-conductor bodies
IPC: H01L21/00
Filed: 1955-12-23
Abstract: <PICT:0806923/III/1> A semi-conductor device comprises a mixed crystal consisting of either at least one from Group III and at least two elements from Group V, or, at least one from Group III and at least two from Group III.  The preferred elements are B, Al, Ga and In (Group III) and N, P, As, Sb (Group V).  The use of the crystal in applications such as transistors (junction and PIN type), rectifiers thermistors, photo-electric devices, photo-modulators, photo-luminescent devices, magnetically variable resistors, Hall effect devices, and optical filters is described.  Reference is made to (InxGa7-x)Sb1 from In Sb and GaSb, (InxGa1-x)As1 from InAs and Ga As, (InxGa1-x)P1 from In P and Ga P, In, (AsyP1-y), and Ga, (AsyP1-y).  Fig. 7 shows apparatus which may be used for preparation of a mixed crystal composed, for example, of In, As and P.  15 gms. of In are placed in quartz boat 22, and 7.883 gms.  As with 0.86 gms. P are placed at 23 in a quartz ampoule 21 in a nitrogen atmosphere. A two-temperature method of melting is used, as described in Specification 786,818, in which the In is heated to about 960 DEG  C. by coils 24 and the As and P to about 700 DEG  C. by coils 25, 26, which is at least equal to the condensing temperature of As and P. The melt may be solidified from one end to provide a crystal containing more P at first, and then more As in the last portion to solidify.  Alternatively a more homogeneous crystal may be obtained by solidifying rapidly and then subsequently zone melting, preferably in two successive and opposingly directed steps.  Alternatively, the individual compounds In As and In P may first be produced by the method similar to that above, after which the compounds are mixed in correct proportions and melted together, utilizing the apparatus of Fig. 7.  Monocrystals may be pulled from a melt of the compound mixture.  The description includes data as to value and temperature on the conductivity, energy gaps, Hall coefficients, mobilities and absorption spectra, of various mixed crystals, particularly those containing different proportions of In, As and P.  Specifications 719,873, 750,134 and 797,505, [all in Group XXXVI], also are referred to.  Reference has been directed by the Comptroller to Specification 766,671, [Group II].
Patent GB-822486-A (GB)
Title: Improvements in tape recording machine tape spool driving units
IPC: H02K17/16
Filed: 1955-12-23
Abstract: 822,486. Securing elements to shafts. PAPST, H. Dec. 23, 1955 [Oct. 24, 1955], No. 36966/55. Class 80 (2). [Also in Groups XXXV and XXXVIII] Torque is conveyed to a tape spool, not shown, from a tape recording machine spool driving motor shaft 3 by a cap 26 which is a push fit on the shaft and permits slipping on sudden stoppage of the motor rotor 5. The cap is pressed from a sheet-metal disc to have three equispaced bent-out portions 27.
Patent GB-1204702-A (GB)
Title: Improvements in or relating to electrical circuits using symmetrical electric current control devices
IPC: H03K17/00
Filed: 1967-09-05
Abstract: 1,204,702. Semi-conductor devices. ENERGY CONVERSION DEVICES Inc. 5 Sept., 1967 [6 Sept., 1966], No. 37014/67. Heading H1K. [Also in Divisions H2 and H3] The Specification describes the construction of a semi-conductor switching device 19 for connection to a load circuit (see Division H3). The switching device is symmetrical and switches from a high resistance condition to a low resistance condition when a threshold voltage is exceeded. The device may be formed so that it switches back to the high resistance state either when the current through it falls below a certain threshold value or increases above a threshold current. The semi-conductor material may be formed as bodies, wafers, layers or films by casting from a molten condition, by cutting or extruding from an ingot, by vacuum deposition or by sputtering. The materials include boron, carbon, silicon, germanium, tin, lead, nitrogen, phosphorus, arsenic, antimony, bismuth, oxygen, sulphur, selenium tellurium hydrogen, fluorine, chlorine, aluminium, gallium indium and thallium vanadium, tantalum niobium and zirconium. The load electrodes 15, 16 are connected to the body of the switching device in a non-rectifying manner by mechanical pressure, soldering, vapour deposition or sputtering. The load electrodes may be of tantalum, graphite, niobium, tungsten or molybdenum. The switching device may have two load electrodes 15, 16 and two control electrodes (17, 18, Figs. 1, 11-13, not shown) or one control electrode 17 (Figs. 5-10, not shown). The control electrode (42, Fig. 15, not shown) may be formed as a high resistance, e.g. of tantalum oxide, in which case printed circuit or microcircuit techniques are used. The resistance material may be responsive to moisture, light and temperature, such as, lithium compounds; cadmium or lead sulphide, lead or zinc or cadmium selenide, zinc or silver telluride; compounds of elements from Groups II and VI e.g. barium titanate respectively or pressure. The resistance can be a separate component (Fig. 14, not shown) connected to the control electrode (42). An insulating layer or a rectifier junction may be formed between the control electrode and the body 19 of the device (Figs. 13, 17, 19, not shown). The threshold values are determined by the shapes and chemical compositions of the elements.
Patent GB-1236946-A (GB)
Title: Evaluating arrangement for character-reading machines
IPC: G06K9/64
Filed: 1968-08-05
Abstract: 1,236,946. Character recognition. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. 5 Aug., 1968 [4 Aug., 1967], No. 37225/68. Heading G4R. An evaluating arrangement, for a characte<SP>r</SP> recognition machine, compares signals from the character with references for a plurality of standard characters of a plurality of character types to produce an extent-of-match voltage for each standard character, the largest of these being determined for each character type by a respective maximum detector, the outputs or inputs of which are also grouped together to provide a representation of the highest voltage, a further maximum value detector activating output gates associated with the character type with the largest representation. A photo-cell matrix feeds a resistance correlation matrix via flip-flops to produce extent-ofmatch signals in each of two standard fonts, at Kl1, Kl2, respectively. The largest signal in each font is passed by a respective maximum detector F1, F2, and binarized by thresholding at S11-S1j, S21-S2k to feed output gates. The outputs of detectors F1, F2, are also fed through OR gates G1, G2 for comparison at M, the output gates corresponding to the detector F1 or F2 giving the largest output being enabled provided this output exceeds a respective threshold, at V1 or V2. A simpler embodiment omits V1, V2 controlling the output gates direct from M, and has a potential divider between G2 and M. As a modification, detectors F1, F2 may also pass the second largest voltage if this exceeds a predetermined percentage of the largest voltage, and if this voltage is in fact passed the output gates corresponding to the respective detector F1 or F2 are disabled.
Patent GB-1021853-A (GB)
Title: Method and apparatus for treating sheets of heat-softenable material, such as glass
IPC: C03B29/08
Filed: 1962-09-19
Abstract: <PICT:1021853/C1/1> Sheets of heat-softenable material such as glass are fed over a bed of supporting gas while being heated to deformation temperature, and then more rapidly on to a second bed of gas whereon they are cooled.  In the apparatus, which is the same as that described in Specifications 1,021,841, 1,021,847 and 1,021,852, an element 143 is placed near the end of the heating section and, on actuation by the pressure of a sheet of the material, operates a switch 144 and causes the last three feed rollers 37 and the rollers 370 of the cooling section to be disconnected from the normal-speed motor and to be connected to a high-speed motor 146.  A time switch, set according to the size and speed of the sheet, restores the drive to the normal-speed motor.  A break in the sheet is detected by a photo-cell 57 receiving light through the width of the sheet from a source 59, actuation causing the drive to be switched to the high-speed motor for quick removal of the broken sheet.
Patent GB-785743-A (GB)
Title: Improvements in or relating to mine roof supports
IPC: E21D11/22
Filed: 1955-12-29
Abstract: 785,743. Mine roof supports. FORGES ET ATELIERS DE LA NAVE. Dec. 29, 1955 [Dec. 30, 1954, Nov. 28, 1955, Dec. 12,: 1955], No. 37257/55. Class 20(2) In an arch for supporting mine roofs &c.. comprising channel section parts P1, P2. frictionally clamped by a stirrup 1 and a cross-piece 4 the latter is provided with extensions 6 curved back so as to embrace the stirrup by means of slots 7 in order to maintain the parts in alignment. A number of modifications are described, including one modified for a stirrup of great height in which the cross piece has further extensions welded to the extensions 6,. Fig. 7 (not shown). The further modification comprises a leaf spacing cross piece, Fig. 12 (not shown). In Fig. 13 the crosspiece 30 is of U-form, the sides of which are bent outwards thrice in the same cyclic directions to provide aligned apertures for securing and guiding the stirrup 1. In Fig. 14 the sides of the U-shaped stirrup are bent upwards at 38 and inwards again to provide the slots 7.
Patent GB-1535248-A (GB)
Title: Endless track wheel
IPC: B62D55/14
Filed: 1976-09-09
Abstract: 1535248 Endless track vehicles CLOUTH GUMMIWERKE AG 9 Sept 1976 [19 Sept 1975] 37362/76 Heading B7H In a track wheel for an endless track vehicle having wear resistant steel rings 3 fitted to light metal rims 1 where the wheel comes into contact with track chain guide teeth 5, the steel rings 3 are secured to the respective rims by shrink fitting and the rims are then secured together. Each steel ring 3 is disposed in a recess 3 in the rim 1 and has a guide tooth engaging flange and a horizontal flange which may extend across the entire width of the rim beneath a rubber tread 2. As shown, additional steel rings 12 are fitted to the rim edges remote from the guide teeth. A layer of epoxy resin cement may be provided at the interfaces between the steel rings and the wheel.
Patent GB-934089-A (GB)
Title: Improvements in or relating to sustained release medicaments
IPC: A61K9/20
Filed: 1961-10-18
Abstract: A compressed, sustained release oral pharmaceutical preparation, e.g. a tablet, comprises a water-granulated mixture of polyvinyl-pyrrolidone, a hydrophobic fatty acid salt and a therapeutically active material, the composition containing at least about 5% by weight of P.V.P. and the weight ratio of P.V.P. to fatty acid salt being from 1 to about 1 to 1 to about 4.  Of the therapeutically active material is water-insoluble, a hydrophilic gum, e.g. carboxymethylcellulose, other methylcelluloses and their sodium salts, gelatin, ueacia and alginates may also be present.  The P.V.P. is preferably one having a K value of from about 24 to about 40 and a molecular weight of from about 20,000 to about 100,000. Specified fatty acid salts are those of Al, Ca and Mg.  Specified medicaments are chlorzoxazone, antihistamines, e.g. carbinoxamine and rotoxamine, antispasmodics, e.g. poldine, central nervous system depressants, e.g. phenobarbital and butylbarbital, central nervous system stimulants, e.g. methamphetamine, vasodilators, e.g. phenylpropanolamine and phenylephrine, vitamins, e.g. thiamine and pyridoxine and antibiotics, e.g. tetracycline, chlortetracycline, oxytetracycline and penicillins.
Patent GB-1520772-A (GB)
Title: Process for extracting alumina from alumina-containing ores
IPC: C01F7/062
Filed: 1975-09-11
Abstract: 1520772 Extracting alumina SUMITOMO ALUMINIUM SMELTING CO Ltd 11 Sept 1975 [28 Sept 1974] 37475/75 Heading C1A A process for extracting alumina from aluminacontaining ores comprises: (1) preparing a slurry having a molar ratio of Na 2 O/Al 2 O 3  of not more than 1:1 from an alumina-containing ore and a sodium-containing alkaline solution, (2) subjecting the slurry to preliminary desilication treatment, if necessary, preferably above 70 C., (3) adding a sodium-containing alkaline material to the slurry while preheating the slurry to a temperature below which scales occur originating from deposition of boehmite-type alumina from the slurry, preferably 130-170 C., to give a slurry having an adjusted molar ratio at Na 2 O/Al 2 O 3  of more than 1:1, (4) further preheating the slurry having the adjusted molar ratio to a temperature higher than that at which scales would occur, originating from deposition of boehmite-type alumina from the slurry, before the adjustment of the molar ratio, and (5) feeding the preheated slurry and a separately preheated alkaline solution to a digester and maintaining the contents of the digester at 200 to 300 C., thereby extracting the alumina from the alumina-containing ores in the slurry.
Patent GB-1516997-A (GB)
Title: Azo compounds derived from pyrazole diazo components
IPC: C09B29/00
Filed: 1975-09-12
Abstract: 1516997 Azo dyestuffs derived from pyrazole diazo components SANDOZ Ltd 12 Sept 1975 [17 Sept 1974] 37566/75 Heading C4P Novel azo dyes having the formula (where R 1  and R 3  independently are an optionally substituted aryl or aliphatic hydrocarbyl radical; R 2  is CN or an optionally mono-substituted alkoxycarbonyl radical; and K is the radical of a coupling component which optionally contains one or more azo groups) are prepared by diazotization and coupling. The dyes are used for colouring hydrophobic polymeric materials particularly aromatic polyester, cellulose acetate and synthetic polyamide.
Patent GB-1091864-A (GB)
Title: An improved tool for applying binding
Inventor: STAPLETON HOWARD FREDERICK
IPC: B25B25/00
Filed: 1963-09-24
Abstract: 1,091,864. Coiling. BTR INDUSTRIES Ltd. Aug. 12, 1964 [Sept. 24, 1963]; No. 37604/63. Heading B3E. [Also in Division F2] A tool for applying binding wire, cord, tape or like binding around a member of circular section (e.g. for applying a binding wire around a hose over an end fitting) comprises a lever with means for carrying a supply of binding material and for releasing the material under tension and, on said lever, means for bearing on the outside of the member and for travelling around the member as the binding proceeds. A wire spool 2 is carried on a spigot 9 extending at 90 degrees from a tubular lever arm 1 and is urged against a friction disc 16, 17 on the spigot 9 by adjustable spring means 14. An arcuate plate 8 is removably secured by grub screws 10 to the end of the arm 1 to engage the object to be wound. The wire 7 is guided from the reel 2 by a guide hook 5, groove 11 or 26 in the plate 8, and eyelet 25 or 12, in eyelet plate 6 or 24 on the plate 8, to a hose positioned over an end fitting. Rotation of the tool around the hose serves to bind it to the fitting.
Patent GB-831693-A (GB)
Title: An apparatus for maintaining constant the amplitudes of oscillations
IPC: H03B5/30
Filed: 1956-12-10
Abstract: 831,693. Automatic control systems for reciprocating electric motors. AMSLER, W. A. J., AMSLER, R. C., PEYER-AMSLER, H. E., SCHINDLER-AMSLER, G. M., and LABHART-AMSLER, S. B., [trading as AMSLER & CO., A. J.]. Dec. 10, 1956 [Dec. 9, 1955], No. 37619/56. Classes 35 and 38 (4). [Also in Group XL (c)] The amplitude of vibration of an electromechanical oscillator is stabilized by controlling the output power of the thermionic valve amplifier which maintains the oscillations. The variation in power is effected by distorting the input signal applied to the amplifier when the amplitude exceeds a predetermined level. The oscillator, represented as a mass A and a spring 1 is maintained in oscillation by a pick-up coil 4, amplifier 3 and energizing coil 2. The output of the pick-up coil is also applied to an amplifier 5 and the amplified signal is applied to a biased detector 6 which produces a negative-going pulse if the signal exceeds the bias. This pulse is subtracted from the positive-going half-cycles of the main signal in a mixer 7 thereby reducing the energy of the signal applied to the coil 2 to reduce the amplitude of oscillation. The mixer 7 consists of a double triode, Figs. 4 and 5 (not shown) with a common anode load, the pulse being applied to one grid and the main signal to the other. One triode may be sufficiently biased to act as an anode bend detector to produce the control itself, or a separate biased diode may be used. Instead of by-passing amplifier 5 with the main signal, the main signal may be a portion of the output of the amplifier. In this case the amplifier may consist of a phase-splitter, Fig. 5 (not shown), in which the amplified signal is obtained from the anode and the main signal from the cathode.