baber/WOPTO huggingface dataset:
Patent GB-1264297-A (GB)
IPC: G05D7/06
Filed: 1970-06-30
Abstract: 1,264,297. Automatic control of rate of fluidflow. GENERAL SIGNAL CORP. June 30, 1970 [Aug.8, 1969], No.31634/70. Heading G3R. The rate of flow of water through a pipe 11 is maintained at a desired value by a proportional speed floating controller comprising an electric motor 14 actuating a valve 13, a TRIAC 16 controlled by a pulse generating circuit 19, 21--24 responsive to the output of an operational amplifier 25, to which is fed an error signal obtained by combining the signal from a reference generator 12 with that from a transducer 47 responsive to rate of flow in the pipe 11, an integrating network 44, 45 connected across the amplifier 25 to make the time rate of change of its output signal dependent upon the magnitude of the error signal, and a tachometer generator 46 driven by the motor 14 and producing a signal which opposes the reference signal and modifies the error signal so that instability introduced by the integrating network is removed. The motor 14, which may be of D.C. or universal type with a series field winding 15, is unenergized under zero error signal conditions and receives positive or negative half cycles from an A.C. supply depending on the sign of the error signal and its magnitude, the latter controlling the charge time of the R.C. circuit 22, 23 to vary the firing point of the TRIAC 16. The network 44, 45 reduces the deadband in situations where the friction of the valve 13 varies between wide limits. The pulse generator 24 for the R.C. circuit 22, 23 and the supply 34 for the amplifier 25 may be formed as an integrated circuit, Fig.2 (not shown), which modification also interchanges the amplifier inputs.
Patent GB-1264688-A (GB)
IPC: G10L13/08
Filed: 1969-08-13
Abstract: 1,264,688. Speech synthesis. INTERNATIONAL BUSINESS MACHINES CORP. 13 Aug., 1969 [27 Aug., 1968], No. 40395/69. Heading H4R. In a speech synthesizer in which speech segments are stored and reproduced as required in compressed or expanded form the fundamental frequency contour of the speech is modified when the speed of the reproduced speech differs from that of the originally stored speech. Preferably when the speech is speeded up on replay the high frequency components of the fundamental frequency contour are attenuated while if the speech is slowed down, or expanded, the high frequency components are amplified. As described the signal controlling the fundamental, or pitch, frequency of the reproduced speech in a vocoder type synthesizer is fed through a circuit as shown in Fig. 3 including an operational amplifier 51 with frequency conscious networks in the input and feedback paths, the capacitor 53 in the input path being variable, to change the characteristic from integrating to differentiating in dependence on a control signal which varies with the speed ratio of the reproduced speech relative that stored.
Patent GB-1288264-A (GB)
IPC: F16C25/02
Filed: 1969-03-10
Abstract: 1288264 Bearings WICKMAN MACHINE TOOL SALES Ltd 26 Feb 1970 [10 March 1969] 12428/69 Heading F2A An adjustable rectilinear motion bearing for a shaft 10 has a longitudinally split sleeve 11 having a truncated-conical external peripheral surface and screw threaded cylindrical part 13 at its narrower end. An outer sleeve 14 having a complementary truncated-conical inner surface surrounds the sleeve 11. The outer sleeve has a cylindrical outer surface adapted to fit within a housing 15, a flange 16 being provided at one end which bears against a shoulder17 in the housing. An adjusting nut 19 located on the screw thread 13 abuts the end of the outer sleeve adjacent the flange. A clamping collar 21 is arranged to fit in the housing and is secured to it by bolts 22. The flange of the outer sleeve is clamped against the shoulder in the housing by the bolts applying pressure via the adjusting nut. Wear in the bearing is taken up by adjusting the nut 19.
Patent GB-1288588-A (GB)
IPC: C08F8/00
Filed: 1969-12-02
Abstract: 1288588 Pulverulent ethylene copolymers FARBWERKE HOECHST AG 2 Dec 1969 [2 Dec 1968] 58793/69 Heading C3P Pulverulent ethylene/acylamide copolymers containing by weight at least 70% ethylene, 0À1 to 10% acylamide and optional 1À5 to 20% of other comonomer are prepared by acid hydrolysis of copolymers of ethylene, 0À3 to 30 weight per cent of a dialkali metal salt of an ethylenically unsaturated acylamide N-sulphonic acid and optionally one or more further ethylenically unsaturated compounds, which has been prepared in dispersion in the absence of emulsifiers. Specified salts are the dipotassium acrylamide-N-sulphonate, crotonamide-N-sulphonate, 3-phenyl acrylamide-N-sulphonate and methacrylamide-N-sulphonate. Specified other monomers are styrene, butadiene, alkyl acrylates and methacrylates and N-vinyl-N-methylformamide. Polymerization may be effected in the presence of azo compounds, or alkali metal or ammonium persulphates. Hydrolysis may be effected with hydrohalic, phosphoric, nitric, sulphuric, methane sulphonic and p-toluene sulphonic acids. The process may be effected batchwise or continuously. Examples describe the hydrolysis with hydrochloric or sulphuric acid of copolymers of ethylene with dipotassium methacrylamido sulphonate, dipotassium methacrylamido sulphonate and methyl methacrylate, or dipotassium acrylamido sulphonate. The products may be applied to rubber sheets and granules, moulded into sheets, or used in polyester and polyvinyl chloride moulding compositions, or pigment, pharmaceutical or cosmetic preparations.
Patent GB-1295001-A (GB)
IPC: B29C53/08
Filed: 1971-04-19
Abstract: 1295001 Bending thermoplastic pipe TOMECAP SA 19 April 1971 [13 April 1970] 27106/71 Heading B5A [Also in Divisions B6 and F2] A method of bending thermoplastic, for example PVC, pipes comprises sealing both ends of the pipe to be bent, heating the pipe until it is plastic, the thermal expansion of a fluid, for example air, confined within the pipe creating an internal pressure therein, pulling the ends of the pipe towards one another in a vertical plane through the axis of the pipe and cooling the thus bent pipe whilst under traction to return it to its original stiffness. The internal pressure may be regulated by partial release of the confined fluid or addition of further compressed fluid through valves in the sealing plugs. In the embodiment described, the pipe ends are pulled by means of cables 24 attached to rings 21 secured to the sealing plugs (Figs. 1 to 3, not shown). The amount of bending is preferably controlled by metal tube 27 and sliding rod 29, each secured at their free ends 28 and 30 to the rings 21, an adjustable clamping nut 31 limiting movement of the rod 29 into the tube 27 and hence the final chord length of the bend in the pipe.
Patent GB-1295564-A (GB)
IPC: B42C15/00
Filed: 1971-04-19
Abstract: 1295564 Applying dust jackets to books W SIGLOCH 19 April 1971 [21 Feb 1970] 23855/71 Heading B8C In a machine for applying dust jackets S to books B, a dust jacket is precreased by hot embossing to form vertical side flaps K1, K2, a book is placed back downwards on to the jacket, one cover D1 of the book is opened, the flap K1 folded about that cover D1, the remainder of the book is closed on to the cover D1, the other book cover D2 is opened, and the flap K2 folded about that cover D2. The dust jacket S is fed from a stack 10 by suction grippers (not shown) to tongs 11 which carry the jacket to an embossing station 12 where the jacket is precreased by inclined heated blades 15 which press the jacket against resilient cushions 14. The jacket is then carried by chain-driven pushers 22 to a position beneath a book-delivery shoot 26, one side of the jacket being raised by a support-plate 24 opposite the shoot 26. A book B is fed down the shoot 26 by a mechanism 28 and is then supported above the jacket by a channel 28, and the cover D1 of the book is opened by a suction gripper 29. The pushers 22 then move the book and the jacket past a cranked hollow rail 30 which folds the flap K1 around the cover D1, the flap being brushed on to the cover by air from nozzles in the rail 30. At this position the channel 18 terminates so that the book B comes to abut the jacket S. The book is then turned on to the cover D1 by a guide rail 32, the other side of the jacket is raised by a guide (33, Figs. 6, 7) and the cover D2 is opened on to the raised side of the jacket by guides 34. A hollow pneumatic rail 35 folds the flap K2 about the cover D2 and the book is closed on to the cover D2 by a roller 36. The jacketed book is then fed to a discharge conveyer 38.
Patent GB-1296257-A (GB)
IPC: G01N23/18
Filed: 1970-09-30
Abstract: 1296257 Inductive signalling PICKERANDREX X-RAY AS 30 Sept 1970 [1 Oct 1969] 46445/70 Heading H4U An apparatus for controlling equipment mounted on a motor-driven crawler displaceable inside a pipe R comprises an electromagnet EM which is placed on the outside of the pipe in a predetermined position relative to a welded seam W and energized with alternating current from a source G. A detector is mounted on the crawler and comprises three iron-cored coils Sa, Sb, Sc, which via amplifiers and limiters Fa, Fb, Fc, and rectifiers Ea, Eb, Ec, apply two-state signals to a logic circuit LE which are coded in accordance with the positions of the coils relative to the electromagnet EM. In operation, when the crawler reaches the desired position as shown, coils Sa, Sc will produce an output and Sb no output and this signal 101 via lead g will stop the motor M. Then the switch A is opened and closed a predetermined number of times, producing the signal 000 at each closure, whereby the logic circuit LE supplies a signal d and brings X-ray equipment RU into use for a predetermined time to test the quality of the weld. The magnet EM is then moved in the required direction of movement and the crawler is set in motion again. Outputs e, f control the return and forward runs respectively. To increase the accuracy of the stopping position, the centre channel is arranged to have a smaller time constant in the smoothing circuit Eb than in the smoothing circuits Ea, Ec of the other channels.
Patent GB-1297523-A (GB)
IPC: F23N5/24
Filed: 1969-11-24
Abstract: 1297523 Burner control HONEWELL Inc 24 Nov 1969 [25 Nov 1968] 57410/69 Heading F4T A fuel burner control system comprises a fuel burner for operation by an A.C. supply and a fuel burner controller connected to the burner which is also operated by an A.C. supply, the controller incorporating a rectifying arrangement 32 and a D.C. burner control circuit and D.C. power storage means 60 connected to the controller so as to receive and store power from the D.C. circuit and to apply D.C. power to the circuit in the event of a failure of the A.C. supply. The storage means may comprise a capacitor 61 in series with a parallel combination of a diode 63 and resistor 62, and has readily disconnectable terminals 65 and 67. Specification 1,250,655 is referred to.
Patent GB-1305380-A (GB)
IPC: C08J3/12
Filed: 1969-02-18
Abstract: 1305380 Rendering the surfaces of rubber particles non-tacky INTERNATIONAL SYNTHETIC RUBBER CO Ltd 18 May 1970 [18 Feb 1969] 8760/69 Heading C3P  Tacky particles of a rubber selected from polybutadiene, polyisoprene, butadiene-isoprene copolymer, styrene-butadiene copolymer and acrylonitrile - butadiene copolymer are treated with a halogenating agent so as to render the particles non-tacky while simultaneously not halogenating the rubber to an extent of more than 2% by weight.
Patent GB-1317299-A (GB)
Title: Oscillatory to continuous rotary motion converter mechanism
IPC: F16H31/00
Filed: 1970-10-13
Abstract: 1317299 Ratchet mechanism; ratchet clutches L DINSDALE 6 Sept 1971 [13 Oct 1970] 48654/70 Headings F2C and F2Q Oscillatory motions of driving members 1, 2 in opposite directions are converted into unidirectional rotary motion of output members 9 through unidirectional clutch devices 10. Member 1 is integral with a shaft 5 on which member 2 is rotatably mounted and the members 1, 2 are provided with cranks 3, 4. Three bevel gears 6 are mounted on a fixed hub 7 and intermesh with bevel teeth on the members 1, 2. Each clutch 10 comprises four members 11 having their ends engaging recesses 13 in driving members 1, 2 and recesses 14 in shoes 12 which are urged in one direction by springs 16. The output members 9 are interconnected to rotate in synchronism by pinions 17 secured to a shaft 18. The mechanism may be incorporated in a bicycle, the cranks 3, 4 being adapted to carry pedals.
Patent GB-1317914-A (GB)
Title: Fastening pin
IPC: F16B9/02
Filed: 1970-06-25
Abstract: 1317914 Stud fastenings F T PRODUCTS Ltd 25 June 1971 [25 June 1970] 30878/70 Addition to 1249646 Heading E2B A fastening pin 10 for attachment to a panel formed with an elongate slot 26 comprises a shaft 11 having at one end an elongate head 12 which has a longitudinal axis b extending transversely of the shaft and which is adapted to pass through the elongate slot when it is aligned therewith, and a pair of resilient wings 16, 17 spaced along the length of the shaft from the head and adapted to limit insertion of the shaft through the elongate slot in the panel, the resilient wings including arcuate portions 18, 19 partially surrounding the shaft and defining an approximately annular abutment surface 20 discontinuous at two positions 21, 22 lying on a diameter a of the annulus which is angularly offset in relation to the longitudinal axis of the elongate head. As shown, the portions 18, 19 are joined to the channel-shaped head by resilient stem portions 18a, 19a.
Patent GB-1324940-A (GB)
Title: Forced convection oven
IPC: F24C15/32
Filed: 1971-12-23
Abstract: 1324940 Multiple fastenings KONINKLIJKE FABRIEK INVENTUM FABRIEK VAN INSTRUMENTEN EN ELEKTRISCHE APPARATEN NV 23 Dec 1971 59976/71 Heading E2A [Also in Division F4] . In a forced convection oven, particularly for heating aircraft meals, the door is hinged at one side of the front opening, and is locked by bars 13 at the other side engaging openings 14 in the door frame 15. Rollers 16 at the inner ends of the longitudinally sliding bars engages recesses 17A in plates 17 secured to a hub 18. The shaft 19 of hub 18 carries an elongated handle 20, one end of which is located in a gutter 21, concentric with the shaft 19, so that the movement of the handle 20 is limited by the length of the gutter. The recesses 17A are so shaped that movement of handle 20 from the horizontal position shown withdraws the bars 13 from the recesses 14 to unlatch the door.
Patent GB-1325876-A (GB)
Title: Piperazine derivatives their preparation and pharmaceutical  compositions containing them
IPC: C07D295/092
Filed: 1969-08-15
Abstract: 1325876 Piperazine derivatives PFIZER Ltd 13 Aug 1970 [15 Aug 1969] 40829/69 Heading C2C Novel piperazine derivatives of the formula in which R is ureido, sulphamoylamino, carbamoyl sulphemayl, C 2-7  alkoxycarbonyl or NO 2 ; R<SP>1</SP> is H, halogen or C 1-6  alkyl; R<SP>2</SP> is H or C 1-6  alkyl; R 3  is H, halogen, C 1-6  alkyl or C 1-6  alkoxy; n is 1 or 2; and X is O or S, the esters of compounds in which R<SP>2</SP> is H, and the N-oxides and pharmaceutically acceptable acid addition salts thereof are prepared by reacting the appropriate N-phenylpiperazines with epoxides or chlorohydrins of the formulae or by reacting phenoxy- or phenylthio-propanolamines of the formula with corresponding N,N-bis(2-chloroethyl) anilines. The esters and ethers of the above compounds may be obtained by esterification or etherification of the corresponding compounds in which R<SP>2</SP> is H. 1 - (4 - Acetamidophenoxy) - 3 - [4 - (2 - methoxyphenyl)-piperazin-1-yl] propon-2-ol is obtained by reacting 1-(4-acetamidophenoxy)2,3- epoxypropane with 1(2-methoxyphenyl)piperazine. Pharmaceutical compositions suitable for oral or parenteral administration, contain the above novel compounds or esters, N-oxides or acid addition salts thereof and pharmaceutically acceptable carriers. The compounds possess hypersensitive activity.
Patent GB-1328391-A (GB)
Title: Rectangular building panels
IPC: B27D1/04
Filed: 1970-08-11
Abstract: 1328391 Laminated building panels INTERLOCKING SYSTEMS INTERNATIONAL Ltd 11 Aug 1970 38679/70 Heading B5N A method of attaching a rigid rectangular face sheet to a rectangular building panel formed of a rectangular peripheral frame and a core of thermal insulation having at least one face which is substantially coplanar with the face of the frame, in which a heat curable adhesive is deposited in lattice coatings over the said one face of the core and over one face of the face sheet, the two lattice coatings are heat cured during which substantially all solvents in the coatings are dispelled, the building panel and the face sheet are located in their desired relative attached positions while the two adhesive faces are held spaced substantially apart and facing one another, the adhesive coatings are brought into contact with another and bonding pressure is applied to cause the adhesive to bond the face sheet to the building panel. The method may be used in the production of the panel shown in Fig. 3 which comprises an outer frame 21 having three grooved edges 24 and a ribbed edge 27 adapted to fit with a grooved edge of an adjacent panel, inner frame members 22 and 23 which define a window opening 29, blocks 30 of foamed plastics filling the full thickness of the frame and rectangular face sheets 42 and 43 having openings 44 and 45 bonded to the blocks 30, fastening devices 31 for locking the panels together being held in place by pins 32. An apparatus for use in the method is shown in Fig. 2 and comprises a belt conveyer 11 driven by an adjustable speed drive 12, a frame assembly, a one face laminate or an outer face sheet being located at station 13 and conveyed by the conveyer 11 through an adhesive application station 14 having a multiple spray head 15 and a heating zone 17 to an assembly station 18 at which it is assembled with the other component in a jig 19 and the resultant assembly fed through a laminating station 19a having roller press 20. As shown in Figs. 4, 5 and 6, the jig has a support 82 located between the delivery end 83 of the conveyer frame 66 and a loading table frame 84 of the laminating station 19a, the jig being adapted by fixed locating blocks 85 and end blocks 86 to slidably receive a frame assembly 41 having cured adhesive on the upper surface thereof. When the frame assembly 41 has been located within the jig 19 with its adhesive coated face uppermost, a face material sheet 42 having a cured adhesive coating 47 is flipped over as shown by arrow F to bring its rearward edge 92 against jig locating faces 93 and resting on pins 89 located in blocks 85 with its edges 92a held upwardly at an angle A to be lowered gradually while edge 92 is located against locating faces 94 of blocks 86. The frame assembly and sheet 42 are then raised and removed from the jig rearwardly to allow the remaining unengaged surface of the sheet 42 to fall into engagement with the frame assembly surface, the resultant assembly being placed on the loading table frame 84 to be fed to the press 20.
Patent GB-1332381-A (GB)
Title: Process for the cultivation of viruses in fungi
IPC: C12N15/00
Filed: 1972-02-29
Abstract: 1332381 Cultivating viruses BEECHAM GROUP Ltd 29 Feb 1972 [5 March 1971] 6067/71 Heading C6F Fungal protoplasts are contracted with double stranded RNA virus particles of fungal origin, in an aq. medium containing an osmotic stabilizer, so that some of them are infected, the infected protoplasts being cultivated. Preferably infection is ensured by contacting with 10-100 virus particles per protoplast. The virus may originate from the same strain, a different strain of the same species, or a strain of a different species of fungus. Protoplasts may be prepared by a treatment of the cells with enzyme(s) to dissolve the wall, which may be cellulosic, or chitinous and may contain a lipid. Examples describe the infection of Penicillium stoloniferum with a virus from a different strain, P-chrysogenum with a virus from the same strain, P-chrysogenum with a virus from P-stoloniferum, Marasmius and rosaceus with a virus from P-chrysogenum, Macor hiemalis with a virus from P- chrysogenum, and Aspergillus foetidus with a virus from P-chrysogenum. Other possibilities are listed in the text.
Patent GB-1336292-A (GB)
Title: Treatment of oxide pigments
IPC: C09C1/24
Filed: 1970-01-15
Abstract: 1336292 Coated oxide pigments LAPORTE INDUSTRIES Ltd 8 Jan 1971 [15 Jan 1970] 1984/70 Headings CIN and C1A An oxide pigment is coated with one or more substances selected from hydroxides, hydrous oxides, phosphates and basic sulphates of Be, Ca, Mg, Ba, B, Al, Si, Sn, Pb, Sb, Ti, Zr, Hf, Nb, Ta, Zn and Ce, and then heated in the presence of liquid water at a temperature of at least 50‹ C. and a pressure greater than 1 atm. It may be heated in a stirred, rocking, rotating, or non-agitated autoclave, and the pressure may be augmented by introducing a gas, e.g. air or N 2 . The temperature may be 150-800‹ C. and she presture 55-580 psig. The pigment is preferably rutile FO 2  obtained by the sulphate or chloride process, but may also be Cr or Fe oxide. The coating may comprise one or more layers each containing one or more compounds. In examples the reactants were (1) Ti sulphate, Al sulphate, Na silicate and NaOH (2) Titanyl Al sulphate and NH 4 OH, (6) MgSO 4  and NaOH, (8) Na phosphate, Al sulphate and NaOH. In Exs. 3-5, Al 2 O 3  was pptd from Al sulphate with NaOH or NH 4 OH, TiCl 4  or ZrOCl 2  was added to dissolve the Al 2 O 3  and ppt TiO 2  or ZrO 2 , and the Al 2 O 3  was reprecipitated with NaOH or NH 4 OH. The pigment may be conveyed directly from the autoclave to a spray drier, or, as in the examples, may be washed, dried, and fluid energy milled.
Patent GB-1337211-A (GB)
Title: Impact printing
IPC: B41J9/42
Filed: 1972-10-25
Abstract: 1337211 Selective printing ENGLISH NUMBERING MACHINES Ltd 25 Oct 1972 [17 Nov 1971] 53278/71 Heading B6F Hammer impression.-An anti-rebound arrangement for a hammer assembly pivoted about an axis 4 comprises a plurality of cylindrical weights 15 slidably mounted on studs 14. The movement of the weights is limited by bosses 17 and adjustable nuts 16. In the cocked position of the hammer assembly, the weights lie against the nuts 16 due to gravity and remain there until the hammers 8 strike the web 10 and type wheel 12, whereupon the weights continue to move along the studs 14 until they strike the bosses 17. The kinetic energy of the weights 15 is thus given up to the hammer assembly. The hammer assembly is cocked by a rotating disc 2 with pins cooperating with a bell-crank lever 3 which abuts the hammer assembly at A-B.