baber/WOPTO huggingface dataset:
Patent GB-1229894-A (GB)
IPC: D21B1/30
Filed: 1968-04-18
Abstract: 1,229,894. Defibrating apparatus; screw mixers. CALOR & SJOGREN A.B. 18 April, 1968 [21 April, 1967], No. 18386/68. Headings B1C and B2A. [Also in Division D2] Cellulose to be defibrated and refined fed into the right-hand end of housing 3 is conveyed by intermeshing thread sections 4a, 5a of rotating screws 4, 5 to intermeshing thread sections 4b, 5b of constant pitch where it is compressed both between the side surfaces of the intermeshing threads and between the radially outer edges of the thread crests of each screw and the bottom of the thread groove of the other screw, since the radially outer' edges of the crests are spaced from the opposed groove by a distance greater than the particle size. The cellulose is discharged through openings 6, 7 which are adjustable by moving a wall 8. The discharge is controlled by applying an opposed force to the housing 3, e.g. by counterweights, springs, hydraulic or pneumatic means. At least part of the thread sections 4b, 5b are provided with teeth, cogs or rounded depressions for refining. The compression of the cellulose is controlled by the material concentration, the supply and discharge rates, the time of passage and the screw velocities. The diameter in sections 4a, 5a may differ. from that in sections 4b, 5b. Sections without threads may be provided between sections 4a, 4b, and 5a, 5b in the region of sections 4a, 5a, the cellulose may be dewatered, the housing 3 being porous or apertured. The threads may be provided on exchangeable sleeves. The bottom of the thread grooves may be concave. The peripheral surface of the threads may be provided with circumferential grooves. The screws 1, 2 may rotate in opposite or the same directions. The treatment also includes rolling, kneading and mixing of the material. The material leaves the threads in a granulated state, the fibres in each particle being irregularly felted together and fixed in a state of crimp, which state is retained after resolution of the particle structure by heating. Cellulose in sections 4b, 5b is heated to 80 to soften the lignin.
Patent GB-1231194-A (GB)
IPC: G03C5/30
Filed: 1967-07-19
Abstract: 1,231,194. Dihydroxy benzene derivatives. GEVAERT-AGFA N.V. 15 July, 1968 [19 July, 1967 (2)], Nos. 33260/67 and 33261/67. Heading C2C. [Also in Division G2] The invention comprises compounds of the formula where R<SP>1</SP> 1  is chloro-, dichloro-, trichloro-, bromo-, fluoro, difluoro- or trifluoroacetyl, α- or #-chloropropionyl, #-dichloropropionyl, #- trichloropropionyl or α-tetrahydropyranyl provided R<SP>1</SP> 2  is hydrogen, R<SP>1</SP> 2  is hydrogen or one of the haloacyl groups of R<SP>1</SP> 1  and R<SP>1</SP> 3  is hydrogen, alkyl, substituted alkyl, halogen, alkoxy or the group OR<SP>1</SP> 2 . The compounds are prepared by acylation or etherification of the appropriate hydroxy benzene.
Patent GB-1231256-A (GB)
IPC: H04N1/32
Filed: 1968-09-20
Abstract: 1,231,256. Facsimile apparatus. MUIRHEAD Ltd. 8 July, 1969 [20 Sept., 1968], No. 44845/68. Heading H4F. Facsimile transmitting and receiving apparatus in a common casing is provided with a device whereby, when the device is in a first operating position, the transmitting or receiving apparatus may be used selectively whereas, when the device is in a second position, the transmitting and receiving facilities operate simultaneously, e.g. to permit lining up. As shown the conversion from a receiving to a transmitting condition is effected by rotating a handle 43 to the right, thereby causing a frame 30, normally spring-biased to its left-hand position as in Fig. 1, to be moved to its righthand position as in Fig. 2, in which position it urges an idling roller 14 away from a driven roller 16 and so prevents the recording material 15 from being drawn past the receiving head 3. When the frame 30 is allowed to return to its Fig. 1 position the idler 14 re-engages the drive roller 16 through the recording material 15, the transmitting head 2 is de-energized and the equipment operates in its receiving mode. Simultaneous transmission and reception is made possible by moving a slide 50 attached to the frame 30 against a spring bias so that openings 60 on the slide 50 align with slots 40 in the frame 30. In this position when the handle 43 is pivoted to the right arms 41 attached thereto, which normally extend through the slots 40 to engage the edge of the slide 50 and thus push the whole frame 30 to the right, instead move into the openings 60. The frame 30 therefore remains as in Fig. 1, permitting the idler 14 to engage the drive roller 16 and thus allowing the receiving head 3 to operate simultaneously with the transmitting head 2, which is now energized. Movement of the slide 50 is effected by means of a cam 70.
Patent GB-1238741-A (GB)
IPC: E02F3/64
Filed: 1969-01-10
Abstract: 1,238,741. Scraping apparatus. GENERAL MOTORS CORP. 10 Jan., 1969 [17 Jan., 1968], No. 1551/69. Heading E1F. A scraper comprises a bowl 12 having a floor section 58 pivotally suspended by arms 62 from side walls of the bowl and provided with cutter blade 68, an ejector 30 movable to eject material from the bowl, and an elevator 38 arranged to move material cut by the blade into the bowl and carried by levers 54 which are pivoted. to the bowl 12 at 55 and to the floor section 58 at 57, whereby the levers 54 can be moved to raise the elevator 38 above the bowl and simultaneously to move the floor section 58 upwardly to provide a discharge opening for material ejected from the bowl. The scraper is connected to a tractor by a torque tube 16, arms 18 and universal connections 22. The ejector is moved about a pivot 31 by a hydraulic jack (not shown), and a striker blade 36 engages the ejected material to grate it. The elevator 38 is supported on the levers 54 by semi-rigid mountings 60 which permit limited movement for the elevator to ride over rocks, and the levers are moved by actuators 56. The position of the bowl is controlled by a mechanism 70.
Patent GB-1252375-A (GB)
IPC: H05H3/06
Filed: 1969-12-08
Abstract: 1,252,375. Ion beam tubes. KERNFORSCHUNG m.b.H. GES. FUR. 8 Dec., 1969 [21 Dec., 1968], No. 59777/69. Heading HID. In a neutron generator in which an ion source is kept at a high potential and neutrons are generated by nuclear reactions between the ion beam and a target, the ion source 1 is formed as a unit inside an ion source housing 5, which is substantially rotationally symmetrical about the ion beam axis, is supported by several insulators, e.g. 2 and 3, which radially contact the housing 5 and extend perpendicular to the ion beam, and is surrounded by a grounded metallic vacuum housing 4 which has a flanged opening 403 disposed opposite the source ion exit 501 enabling connection thereto of target holder and other electrode assemblies. As shown, insulator 2 is fixed to housing 4 at one end and merely engages a recess in ion source housing 5 at the other, whereas the other insulator 3 is fixed to the ion source housing 5 such that the unit comprising the housing 5, insulator 3 and support flange 401 can be removed from the vacuum housing 4. A bore 301 in the insulator 3 contains a pipe 302 for supplying the anode voltage and this pipe in turn contains an insulated pipe 304 for supplying deuterium to the ion source, a cable 306 which with pipe 304 supplies the filament current, a cable 307 for an intermediate electrode power supply, and a tube 308 for removing liquid cooling the ion source, this liquid being supplied through the residual crosssection of pipe 302. The ion source may be of the duoplasmatron type and housing cover 502 and cathode support 101 are removable without disturbing liquid in the cooling channel 102 to replace the cathode. The components coupled to flange 403 may include a stationary or rotary target with or without a focusing system, and if it is insulatingly supported in a vacuum housing the target may be kept at a high negative potential to double the ion energy, Figs. 2- 5 (not shown).
Patent GB-1252524-A (GB)
IPC: C07J75/00
Filed: 1969-04-02
Abstract: 1,252,524. Secosteroid production. AMERICAN HOME PRODUCTS CORP. 2 April, 1969 [30 April, 1968], No. 17210/69. Heading C2C. d - 17# - Hydroxy - 8,14 - secogona - tetraen- 14-ones are prepared by the asymmetric reduction of the appropriate 14, 17-dione by subjecting the latter to the reducing activity of a microorganism of the genus Cryptococcus, Rhodotorula, or Torulopsis. The preferred diones are those of formula in which R and R 1  are alkyl groups.
Patent GB-1259321-A (GB)
IPC: C12N11/14
Filed: 1969-02-05
Abstract: 1,259,321. Insolubilized enzymes. CORNING GLASS WORKS. 5 Feb., 1969 [5 Feb., 1968], No. 6144/69. Heading C3H. [Also in Division C1] A stabilized enzyme composition which is substantially water-insoluble and capable of repeatedly catalysing reactions without loss of activity comprises an inorganic carrier having a surface area of greater than 0À1 m<SP>2</SP>/g. which is a porous glass, a colloidal silica, wollastonite or a porous dried silica gel, said carrier having many uncontaminated reactive silanol groups on such surface that are ionically bonded to the enzyme by amine-silicate bonds and that are hydrogen-bonded to functional groups on the enzyme, to provide an enzyme composition of substantially constant activity. The porous glass may be as particles, or as a disc or cylinder. The enzyme may be papain, ficin, pepsin, trypsin, chymotrypsin, bromelin, keratinase, cellulase, amylase, maltase, pectinase, chitinase, lipase, cholinesterase, lecithinase, phosphatase, ribonuclease, desoxyribonuclease, arginase, asparaginase, glutaminase, urease, glucose oxidase, catalase, peroxidase, lipoxidase, a cytochrome, glutamic-pyruvic transaminase, glutamic-oxalacetic transaminase, transmethylase or phosphopyruvic transphosphorylase. The bonding may be brought about by allowing a buffered aqueous solution of the enzyme to react with the carrier, which may first be cleared, at below room temperature.
Patent GB-1265626-A (GB)
IPC: C08L23/22
Filed: 1970-03-20
Abstract: 1,265,626. Vulcanization accelerator system. SCHILDKROT A.G. 20 March, 1970 [20 March, 1969], No. 13574/70. Headings C3E and C3P. An accelerator system for the vulcanization of low-unsaturation rubbers comprises at least two different dithiocarbamates, a thiazole and a guanidine. In examples, the sulphur vulcanization of isobutylene-isoprene rubber and EPDM rubbers is carried out.
Patent GB-1267138-A (GB)
IPC: B06B1/16
Filed: 1970-10-22
Abstract: 1,267,138. Vibrators. BAUMASCHINEN GATERSLEBEN VEB. 22 Oct., 1970, No. 50302/70. Heading F2X. In a vibration generator, the out-of-balance weights 3, 4 and 5 are mounted on the inner races of the roller bearings, 2, which are rotated by the shaft, 6. The bearings are disposed in the oil sump 8, within the tube 1.
Patent GB-1288798-A (GB)
IPC: D06F13/00
Filed: 1969-12-16
Abstract: 1288798 Washing machines BLACKSTONE CORP 16 Dec 1969 [24 Dec 1968] 61296/69 Heading D1A Means are provided for introducing water between an inner tub 12 and an outer tub 11 in a washing machine having an agitator 13 reciprocable within the perforate inner tub 12 which is concentric with the outer tub 11 which is mounted in a frame 10, means for selectively reciprocating the agitator 13 or rotating the inner tub 12 and means on the frame for removing water from the tubs. Preferably the water is introduced through a vacuum breaker 20 and line 18 to a head 17 which directs the water tangentially onto the outer surface of the inner tube in its direction of rotation during a spin drying operation to break up suds.
Patent GB-1295760-A (GB)
IPC: C01D3/02
Filed: 1970-05-29
Abstract: 1295760 Sodium flouride and silica gel ONODA CHEMICAL INDUSTRY CO Ltd 29 May 1970 [29 May 1969] 26108/70 Heading C1A Sodium fluoride and silica gel are produced by treating sodium fluorosilicate with an aqueous solution of ammonium hydroxide with vigorous agitation, the concentration of ammonium hydroxide in the reaction medium during the reaction being not greater than 5 wt. per cent and the total concentration of NH 4 <SP>+</SP> after completion of the reaction being more than 7À5% calculated as NH 3 . In an embodiment of the invention, as illustrated by Fig. I, sodium fluosilicate, either in aqueous solution or as a fine powder, is introduced into a reactive vessel simultaneously with an aqueous solution of ammonium hydroxide and the mixture in the vessel is stirred vigorously at an elevated temperature for about one hour. The slurry discharged from the reactor, after settling is separated in a levigation apparatus and the separated slurries of SiO 2  and NaF filtered, washed, and dried. The filtrate in each case is a solution of ammonium fluoride. The ammonium hydroxide cone. is selected to give a final conc. of NH 4 <SP>+</SP> after reaction greater than 7À5% and the conc. of free NH 3  during reaction is kept as low as possible. The slurry obtained from the process as described may be subsequently reacted with aqueous NaOH, Na 2 SO 4 , or NaCl to increase the yield of NaF and form an aqueous solution of NH 4 Cl, NH 4 OH or (NH 4 ) 2 SO 4 .
Patent GB-1297295-A (GB)
IPC: G01N33/576
Filed: 1970-11-26
Abstract: 1297295 Preparing "hepatitis factor" J F McCULLER 26 Nov 1970 [8 Dec 1969] 56339/70 Heading A5B [Also in Division B1] A solution of "hepatitis factor" characteristic of infectious and serum hepatitis is obtained by freezing a serum sample, removing the bottom layer of the layers formed on thawing and incubating a mixture of the bottom layer material and an aqueous saline solution of glycine pH 8.6 to 9.2 in proportion 1:13 to 1:17 at room temperature with intermittent shaking for 15 minutes, when the "hepatitis factor" is said to separate from the globulin, and can react with the gamma globulin of a diagnostic reagent (see Divisions B1-B2)
Patent GB-1303021-A (GB)
IPC: H04S5/02
Filed: 1971-05-19
Abstract: 1303021 Stereophonic systems SANSUI ELECTRIC CO Ltd 19 May 1971 [21 May 1970 (2) 24 June 1970 (7) 25 Sept 1970] 15855/71 Heading H4R In a sound reproduction system a " presence " signal is derived from the normal output signal, phase modulated by a very low frequency signal, and reproduced by a loudspeaker or loudspeakers located at the rear of the listening area. The presence signal may be derived straight from the signal in a monophonic system, from the difference between the R and L channel signals in a stereo signal, from the rear signals in a discrete four channel system, or two presence signals may be derived, as shown in Fig. 1, from R and L channel stereo signals by taking the differences R - #L and L - #R where # is between 0 and 1, and where the signals fed to the two front speakers are R+ #L and L + #R. The low frequency signal to phase modulate the presence signal, or signals, can be derived by envelope detecting the programme signal.
Patent GB-1303856-A (GB)
IPC: H01M4/64
Filed: 1970-05-26
Abstract: 1303856 Negative plates for lead-acid batteries ELECTRICITY COUNCIL 24 May 1971 [26 May 1970] 25273/70 Heading H1B A negative electrode plate incorporates a grid of aluminium or magnesium alloy with a layer of zinc on the aluminium or magnesium alloy, a copper coating on the zinc layer and a lead outer coating which is more than 100 microns thick. The grid is then made into a negative plate by conventional pasting, curing and forming. An antimony or bismuth layer may be interposed between the copper coating and the lead outer coating.
Patent GB-1305185-A (GB)
IPC: G01N29/27
Filed: 1968-12-13
Abstract: 1305185 Ultrasonic inspection devices STD SERVICES Ltd 5 March 1970 [13 Dec 1968] 59426/68 Heading H4D A device for closing a liquid-filled passage of an ultrasonic test head for tubes, rods and the like when no test specimen is in the passage, comprises a pair of sleeves 13 axially slidable relative to test head housing 10. The sleeves carry respective removable bushes 16 selected to fit closely on a test specimen. An air piston and cylinder drives pivoted levers (Fig. 2, not shown) linked by pin-and-slot mechanism 17 to sleeves 13 for actuating them to bring bushes 16 into abutment with an annular screen 11 used to prevent direct waves and tube surface reflections from reaching receiving transducers in probes on housing 10. If probes are used which transmit waves into the test specimen in radial planes, screen 11 is omitted and one or each of the sleeves 16 is fitted with a resilient seal.
Patent GB-1308144-A (GB)
Title: Manufacture of all glass welded double glazing units
IPC: B65G49/06
Filed: 1969-06-11
Abstract: 1308144 Manufacture of double glazing units PILKINGTON BROS Ltd and J BRYAN 9 June 1970 [11 June 1969] 29679/69 Heading C1M In the manufacture of glass double glazing units in which the upper sheet 36 of a pair of sheets 35, 36 is held and lifted, vacuum holding apparatus comprises a chuck platen 27 attached to lifting means 23 to 26, and an interchangeable sheet holding platen 29 connected in face to face relation solely by two or more bolt connections to the chuck platen 27, the sheet-holding platen 29 having a sheet engaging surface with a recessed area 33 or areas in such surface for connection to a vacuum source 34, each bolt connection including spring means 47 whereby the two platens 27, 29 are resiliently drawn together. Each bolt comprises a screw 42 with square head 43 held against rotation in a countersunk area 50 in the platen 29, the screw 42 passing through bore 49 into a tapped bore 46 in one end of a cylindrical body 44 slidable in a bore 51 in platen 27 and having a neck portion 45 and cap 55 extending above platen 27. In a modification, the cap 55 and neck 45 are a separate unit screwed into the upper part of body 44. The spring 47 has a slot (48) extending longitudinally thereof which is slightly wider than the diameter of neck 45 and the spring 47 is slid between platen 27 and cap 55 to press the cap upwardly, the downturned ends 57 of the spring 47 pressing on the top of the platen or on a plate 54 secured thereto. Tensions between the platens can be adjusted by turning cap 55. The surface of platen 29 may be made continuous by a plug 60 or, if omitted, the screw head 43, which is preferably of steel, is coated with refractory material such as alumina containing chromic oxide.
Patent GB-1310394-A (GB)
Title: Tool spindle assembly
IPC: B23B19/02
Filed: 1970-10-15
Abstract: 1310394 Spindle assembling BONEHAM & TURNER Ltd 9 July 1971 [15 Oct 1970] 48941/70 Heading B3B A machine tool spindle assembly adapted to be removably mounted in a head stock 12, comprises a shell 10, a spindle 15 rotatably mounted in and positioned axially in the shell by a journal and thrust bearing assembly 16, a journal bearing 24 on the spindle or supporting the latter in a recess 35 in the headstock, a driving pinion 25, and distance sleeves 26a, 26b, 27, removably mounted on the spindle, the outside diameter of pinion 25 being less than the outside diameter of the shell, and the positions of the distance sleeves and pinion being reversible. Pinion 25 is keyed or splined to the spindle. A headstock (12), Fig. 2 (not shown), containing three spindle assemblies is described.
Patent GB-1311541-A (GB)
Title: Pattern reading system
IPC: G06V10/28
Filed: 1970-04-03
Abstract: 1311541 Pattern recognition TOKYO SHIBAURA ELECTRIC CO Ltd 3 April 1970 15925/70 Heading G4R A pattern reading system scans the pattern photo-electrically to produce video signals which are quantized in two quantizers using respective threshold levels, the first quantizer substantially eliminating signals corresponding to stains on the pattern record carrier but may introduce omissions in the pattern, and the second quantizer substantially not introducing omissions but possibly leaving stain signals, a circuit arrangement responding to the outputs of both quantizers to substantially fill up the omissions in the output of the first quantizer but substantially eliminate the stain signals, the circuit arrangement comprising a blurred pattern forming device for generating blur signals which are formed from output signals frcm the first quantizer and signals representing the positions displaced at least one bit vertically and/or horizontally from the position represented by the output signals from the first quantizer, and a logic product forming device for obtaining the logic product of output signals from the blurred pattern forming device and outputs from the second quantizer. The outputs of the first and second quantizers are passed through first and second shift registers respectively into a core matrix memory which is read out to further shift registers, some corresponding to the first quantizer which have 3 x 3 taps feeding an OR gate, and some corresponding to the second quantizer which feed an AND gate also receiving the output of the OR gate. The AND gate feeds the core matrix via the first shift register for interative operation. Each quantizer retains the background level at the junction of a diode and capacitor, the diode being fed with the input, and uses a differential amplifier to obtain the difference of the input and this background level. The difference is quantized using a Schmitt trigger.
Patent GB-1317439-A (GB)
Title: Moulding apparatus
IPC: B29C45/28
Filed: 1969-07-17
Abstract: 1317439 Injection moulding apparatus SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 29 May 1970 [17 July 1969] 35994/69 Heading B5A [Also in Division F2] An injection mould feeding device comprises an inlet 4 for connection to a nozzle 24 and an outlet 20 to be connected at one or more points to a mould, with a reciprocable or rotatable runner member 6 having at least one channel 26 to connect the inlet and outlet, the member 6 being movable by an hydraulic, pneumatic, mechanical or electrical device, to bring the channel out of register with the inlet and outlet to maintain the pressure in the mould and channel after a charge of material has been supplied to the mould, the member 6 having seals 5 and 22 loaded by springs 8 to maintain the channel 26 liquid-tight, and heaters 2, Fig. 2, not shown, to maintain the material in the channel 26 in the liquid state intermediate the charging operation. The device is intended for moulding expandable thermoplastic materials, e.g. olefin polymers, polystyrene, vinyl and epoxy resins, and nylons, with a foaming agent, e.g. pentane.
Patent GB-1319810-A (GB)
Title: Sections of thermoplastic material
IPC: A47F5/00
Filed: 1970-10-06
Abstract: 1319810 Shop counters INITIAL PLASTICS Ltd 4 Oct 1971 [6 Oct 1970] 47526/70 Heading A4T [Also in Division F4] A series of injection moulded thermoplastic elongate sections 1 which may be decorative, have means enabling them to be joined end to end to form article e. g. food display partitions, e.g. on trays or in cabinets e.g. deep freezers, to separate merchandise, the sections having lengths of an integral number of units, each section being one unit longer than the next shortest, the shortest being m units where m = 2n-1, n being the number of sections in the series and greater than 1. A preferred series is 3 of 5, 6 and 7 inches long. Each section comprises an inverted U, 2 with end walls 3 containing inverted T-slots 4 enabling two to be joined by the plastics U-coupling 9 having a cross web 12. The sections may be provided with truncated sockets 5 for receiving vegetable matter 8 or they may be formed to represent artificial sprigs of vegetable matter.