baber/WOPTO huggingface dataset:
Patent GB-1479062-A (GB)
Title: Embossed plastics film
IPC: B29C51/22
Filed: 1974-11-19
Abstract: 1479062 Embossed films; sheet forming ETHYL CORP 17 Nov 1974 [26 Dec 1973] 50081/74 Headings B5B and B5A A thermoplastics film is embossed with a pattern of longitudinally and laterally extending rows of protuberances and depressions, 10 and 14. The protuberances are four-sided truncated pyramids with each side wall 16 having a common edge with the base of a depression, forming an angle of 95 to 135 degrees with this bottom wall 12. Each hollow protuberance is from 0À5 mils. to 10 mils. in height and forms a depression on the other film surface. The films may be made by conventional machinery, either by embossing a pre-formed film with patterned nip rolls or by casting an extruded melt on to a patterned chill roll. The thermoplastics mentioned are polyethylene, polypropylene either being with or without a filler, and ethylene-vinyl acetate copolymer. The preferred film thickness is from 0À5 to 10 mils., most preferred being from 0À5 to 2À0 mils.
Patent GB-1485025-A (GB)
Title: Method for the continuous production of chipboard panels fibreboard panels or panels of other particulate material
IPC: B27N3/26
Filed: 1974-11-19
Abstract: 1485025 Rolling of panels HERMANN BERSTOFF MASCHINENBAU GmbH 19 Nov 1974 [3 Dec 1973 1 April 1974] 50143/74 Heading B5A Chip or fibreboard panels are produced by feeding the material 1 with a thermoplastics binder on to an endless belt 2 that leads the layer through alternate zones of higher and lower pressure, the higher pressures being produced by the nips between rollers and one of these zones having a length of at least 7 cm. (measured from the position at which the layer is engaged by both rollers, to the position of least gap thickness), and the lower pressures being produced by the nip between a drum and the endless belt. In Fig. 1, the nip between inlet roller 3 and driven press roller 4 is adjustable for the boarding thickness, and one or more presser rollers 7 are adjustable in pressure. Rollers 8 finally calibrate the boarding thickness, and rotate at a high speed for polishing and to apply surface films (not shown). The rollers are steam heated and the belt is heated by infra-red radiators in the pressing zone, while the return run of belt 2 and a support roller 6 are cooled. In an alternative embcdiment (Fig. 5, not reproduced) roller 4 is supplemented by further rollers and these all are surrounded by an endless belt.
Patent GB-1521210-A (GB)
Title: Semiautomatic digitizing system
IPC: G06K11/02
Filed: 1976-11-08
Abstract: Firstly, digitization is carried out by means of conventional manual methods. The digital data obtained during this process are transferred to an automatic position detection device which automatically repeats the digitization. The data obtained manually are only used for automatically bringing the read head of the position detection device into the area in which a particular graphical shape is to be digitized and therefore only need be approximately accurate. The manual work can therefore be carried out much faster in comparison with conventional systems because the necessary accurate position determination does not occur manually as previously but automatically.
Patent GB-1364505-A (GB)
Title: F phenylalanine amide derivatives
IPC: C07K5/078
Filed: 1971-10-29
Abstract: 1364505 3,4 - Dihydroxyphenylalanine derivatives F HOFFMANN-LA ROCHE & CO AG 29 Oct 1971 [30 Oct 1970] 50377/71 Heading C2C The invention comprises 3,4-dihydroxyphenylalanine derivatives of the Formula I in the L-form or, where the carbon atom marked * in the above formula is asymmetric, in the L 1 L-form, wherein R 1  is 3,4-dihydroxybenzyl and R 2  is 3,4-dihydroxybenzyl, the group of the formula or the residue R in a natural α-amino acid of the formula R 3  is H or COOH and R 4  is C 1 -C 6  alkyl, provided that the symbol R 2  is 3,4-dihydroxybenzyl when R 3  is H, the pharmaceutically acceptable salts thereof, derivative thereof in which amino, hydroxy and carboxy groups may be protected and compounds in the L-form of the Formula VIa wherein R 50  and R 7  are aryl-C 2 -C 7  alkoxycarbonyl. The compounds of Formula I are prepared by subjecting the protected derivatives thereof to hydrogenolysis or hydrolysis or to hydrolysis or hydrogenolysis. The protected derivatives are obtained by any conventional peptide coupling using the appropriate starting materials. Compounds of Formula VIa are prepared by reacting 1 mole of L-dopa with at least 3 moles of the corresponding aralkoxycarbonyl halide. The following starting materials and intermediates were also prepared L - Dopa benzyl and ethyl esters and their hydrochlorides, N - benzyloxycarbonyl - L- dopa, and its ethyl ester N,O - bis - benzyloxycarbonyl - L - tyrosine, N,O - bis - benzyloxycarbonyl - 3 - methoxy - L - tyrosine. O - benzyloxycarbonyl - L - tyrosine benzyl ester hydrochloride, the N-carboxy anhydride of O-benzyloxycarbonyl - L - tyrosine, 3 - methoxy O - benzyloxycarbonyl - L - tyrosine benzyl ester hydrochloride, the N-carboxy anhydride of 3 - methoxy - O - benzyloxycarbonyl - L- tyrosine, O,O<SP>1</SP> - bis - benzyloxy - L - dopa benzyl ester hydrochloride, and the N-carboxy anhydride of O 1 O<SP>1</SP>-bis-benzyloxycarbonyl-L- dopa. Pharmaceutical compositions, suitable for oral or parenteral administration, contain the compounds of Formula I above or salts thereof in association with compatible carriers. The compounds are used an anti-Parkinson agents.
Patent GB-1112880-A (GB)
Title: Improvements in mesh welding machines
IPC: B21F27/10
Filed: 1966-11-10
Abstract: 1,112,880. Welding by pressure. E.V.G. ENTWICKLUNGS - U. VERWERTUNGSG.m.b.H. 10 Nov., 1966 [22 March, 1966], No. 50491/66. Heading B3R. In a mesh welding machine in which lateral wires Q of the mesh are inserted through a guide 30 at right angles to the continuous longitudinal wires L of the mesh at a distance from the welding electrodes S, E<SP>1</SP>, E<SP>2</SP> the welded mesh is advanced and the unwelded lateral wires Q are fed from the guide 30 to the welding station by rails 1 reciprocated by a common driving mechanism connected to the front ends of the rails, the driving mechanism also causing the rails 1 during their rearward movement to move downwards to disengage from the lateral wire(s) Q<SP>1</SP> about to be welded and upwards to engage further unwelded lateral wires Q. The front ends 1a of the rails 1 are connected to a common beam 2, the spacing between the rails 1 being adjustable. The rails 1 are moved so that the front and rear ends respectively describe the paths A, B, C, D; A<SP>1</SP>, B<SP>1</SP>, C<SP>1</SP>, D<SP>1</SP> by the driving mechanism which comprises a bellcrank 9 the arms of which are connected by pairs of parallel links 5, 6; 10, 11 to the beam 2 and a lever 15 respectively. A cam 19a oscillates the lever 15 and a connecting rod 21 drives a two-armed lever 23 pivotally connected to the link 5. The levers 15 and 23 are pivoted to fixed points. Flaps 31 covering the slots of the guide 30 are moved in synchronism with the rails 1 to allow the notched portions 29 of the rails 1 to lift the lateral wires Q from the slots and to move them to a location between welding electrodes E1, E2 connected to opposite poles of a D.C. supply and an opposed bridging electrode S. Projections 28 on the rails 1 engage welded lateral wires Q1 to feed the mesh. The mechanism may be such as to provide an adjustable stroke and the locations of the electrodes guide and work-engaging parts of the rails may be adjustable to vary the spacing of the lateral wires. In a modification, the electrodes E1, E2, Fig. 3, and the guide 30 are not adjustable. The projections 28<SP>1</SP>, 29<SP>1</SP> for engaging the welded and unwelded lateral wires and the stroke of the rail may be adjusted. The rails 1 lift a wire from the guide 30 and a spring 34 holds the wire until the wire is engaged by projections 29<SP>1</SP>. In an alternative construction the spring 34<SP>1</SP> extends to a position adjacent the welding station.
Patent GB-1476634-A (GB)
Title: Control valves for hydraulic rams
IPC: F16K11/14
Filed: 1973-10-31
Abstract: 1476634 Hydraulic jacks CLAYTON DEWANDRE CO Ltd 7 Jan 1975 [31 Oct 1973] 50586/73 Heading FID [Also in Division F2] Means for controlling a double-acting hydraulic ram comprises two valves V1, V2 each having a check-valve 8 controlling an inlet 6 connected to a source of fluid-pressure e.g. a pump and a valve 9 controlling flow to a reservoir and opened by a plunger 11. A common loading spring 10 acts on the two valves and a distance piece 12 may be provided to transmit a thrust from one valve to the other. The two plungers are mechanically coupled so that only one of the valves 9 may be opened at a time. In an alternative embodiment, Fig. 2 (not shown) the valves may take the form of hollow sliding pistons with frusto-conical seat-engaging surfaces. Figs. 4 and 5 illustrate a combined pump, valve and reservoirs for a jack. The outlet 27 from a pump chamber 22 is connected to the two inlet check-valves 8, passageways 4 are connected to the double-acting ram and the chamber 28 is connected to a reservoir 21. Valves 9 are controlled by a common face cam 29 operating through spring-loaded ball followers 30. The supply from the reservoir to the pump is controlled by a ball check-valve 23 and a pressure relief valve 33 relieves excessive pump pressure to the reservoir.
Patent GB-1596187-A (GB)
Title: Apparatus for processing information from a number of telephone channels
IPC: B01D53/34
Filed: 1977-12-06
Abstract: The device has components (34-39) which are allocated collectively to all of the connected telephone channels, and a plurality of modules (40-47) to which a telephone channel is allocated in each case. Each of these modules (40-47) includes components for converting analog signals into digital pulses and vice versa. Furthermore, each group contains ringing signal transformers and ringing signal transmitters. Each of these modules (40-47) can be set independently of the others to one of a plurality of operating conditions, these operating conditions enabling the interaction of the device with different types of transmission devices. For this purpose, operating devices assigned to the individual modules are provided on the housing front panel (3). The modules (40-47) are disposed in the housing (1) of the device in such a way that they can be individually removed. <IMAGE>
Patent GB-1406576-A (GB)
Title: Optical devices
IPC: G02B5/28
Filed: 1973-10-31
Abstract: 1406576 Beam-splitters C REICHERT OPTISCHE WERKE AG 31 Oct 1973 [31 Oct 1972] 50696/73 Heading G2J A beam-splitter, e.g. for use in a vertical fluorescent microscope, comprises a glass substrate, refractive index 1.37 to 1.67, and eleven superimposed coatings arranged alternately, the odd numbers having refractive indices of 2.10 to 2.65, and the even of 1.25 to 1.50. Coating thicknesses are given. The high index coatings may be of titanium oxide or zinc sulphide and the low of cryolite, or of silicon dioxide if the other coating is titanium oxide. The beam-splitter transmits a majority of 45 degrees incident light in wavelengths 520 to 530 nm and 580 to 590 nm, and reflects a majority of 45 degrees incident light in wavelengths 400 to 500 nm and 540 to 570 nm.
Patent GB-1292325-A (GB)
Title: Method and circuit arrangement for the transmission by time division multiple acces of digital signals between a plurality of earth stations via a repeater station provided in space by a communication satellite
IPC: H04B7/212
Filed: 1969-10-16
Abstract: 1292325 Radio signalling; multiplex pulse signalling TELEFUNKEN PATENTVERWERTUNGS GmbH 16 Oct 1969 [16 Oct 1968 5 Feb 1969] 50909/69 Heading H4L In a time division multiplex space satellite communication system means are provided at the earth stations for correcting the carrier frequency and the timing frequencies for the signal bursts so that the signal bursts from the earth stations appear in the correct time sequence at the satellite with each burst in phase both as to its carrier frequency and its timing frequency, one of the earth stations being used as a reference station. The reference station transmits a "reference burst" at a carrier frequency and bit frequency each of which is supplied by a local oscillator, e.g. crystal controlled. As shown in Fig. 1, the reference burst from station 1 is received at an earth station 3 via the satellite 2 and the bit timing derived therefrom is compared at 5 with the output of an oscillator 4 for the receiver to control via a low pass filter 6 the phase of the oscillator 4. A further oscillator 10, controls the bit frequency of the transmitted burst and the transmitter transmits a signal burst which is returned via the satellite and compared at 8 with the output of the oscillator 4. The output of comparator 8 is supplied via a low pass filter 9 to control the phase of the oscillator 10, the time constant of this control circuit being arranged to be greater than of circuit 4, 5, 6. The analogue type control circuits may be replaced by digital circuits. In addition to the phase-comparison circuits, frequency comparison circuits may also be provided to compensate for Doppler shift. Similar circuits are used for the synchronization of the carrier frequency and this may be carried out at the IF stage. For the station to function as a reference station, a crystal controlled oscillator 13 replaces the oscillator 10. To avoid hunting the filter 9 may be replaced by the circuit shown in Fig. 2. The output of comparator 8 is supplied via a sampling switch 21 which is closed for a time which is short compared with the time for a signal to be transmitted to the satellite and back and is opened for a time greater than this transmission time. Switch 21 supplies a signal which is weighted by a factor K 1  in a summing circuit 23 and is also integrated at 22 and weighted by a further factor K 2  in the summing circuit, the combined voltage controlling the oscillator 10. In addition, a voltage proportional to the difference between the two frequencies at comparator 8 may be supplied via terminals 24 and/or 25. Circuits 22 and 23 may utilize operational amplifiers.
Patent GB-1010675-A (GB)
Title: A flexible collar for connecting pipes
IPC: F16L33/10
Filed: 1963-12-31
Abstract: 1,010,675. Clamps. P. ROSSI and G. SIMONI. Dec. 31, 1963 [Jan. 23, 1963], No. 51289/63. Heading E2B. A flexible collar with a variable diameter for connecting pipes concentrically consists of a curvilinear straddling member 2 with a roller 3 at each end upon which a flexible metal strip 1 slides to form a clamp, the strip being fixed at its ends to opposite ends of a stud 5 fitted with a central transverse screw 6 with its lower end connected to the curvilinear straddling member so that upon rotation the distance between the stud and the straddling member is varied and thus the diameter of the clamp. The stand 2 straddling member has sloping guide plates to give direction to the flexible strap so that it encircles the pipes almost entirely.
Patent GB-1493127-A (GB)
Title: Inorganic-organic plastics
IPC: C08G18/00
Filed: 1974-11-27
Abstract: 1493127 Polyurea/silica xerosols BAYER AG 27 Nov 1974 [30 Nov 1973] 51300/74 Addition to 1385605 Heading C3R A polymer/silica xerosol is obtained by mixing (a) an aqueous alkali metal silicate solution or silica solution with (b) a polyisocyanate of M.W. not less than 250 and containing at least one polar nonionic group which has been introduced by reaction of a polyisocyanate with a halogen, a hydrogen halide, urea, dimethylurea, thiourea, methylthiourea, guanidine, cyanamide, hydrazine, formamide, acetamide, sulphamide, dimethyl phosphite, diethyl phosphite, chloroacetamide, dichloroacetic acid, trichloroacetic acid, oxalic acid, acrylic acid, furfuryl alcohol, or a compound X-R-Y, wherein R is C 1-6  alkylene, cyclohexylene, phenylene or methylenephenylene; X is -OH, -COOH, -SH, -NHR<SP>1</SP> or -NH 2 , and Y may be H if X is -OH or -COOH, or is -OR<SP>1</SP>, -COOR<SP>1</SP>, -SO 2 R<SP>1</SP>, -OSO 2 R<SP>1</SP>, -NO 2 , -P(OR<SP>11</SP>) 2 , -OP(OR<SP>11</SP>) 2 , -Cl, -Br, R<SP>1</SP> being -CH 3 , -C 2 H 3 , -C 4 H 9 , -C 6 H 5 , -CO-NH 2  or -CO-CH 3 , and R<SP>11</SP> being C 1-10  alkyl, C 6-10  aryl or C 5-10  cycoalkyl. This is a modification of parent Specification in which component (b) is a prepolymer containing ionic groups. Preferably (a) contains 32-54 wt. per cent solids, and the weight ratio of (b) : (a) is 7 : 3 to 2 : 8. The preparations are described of components (b) from a crude polymethylene polyphenylene polyisocyanate of reduced dimer content and (i) 3-9 wt. per cent of phenylacetic acid, 4-methylbenzoic acid, benzoic acid, hexahydrobenzoic acid, urea sulphamide, 3-ethyl-3-hydroxymethyl-oxetane, ethylene glycol methyl, ethyl and butyl ethers, furfuryl alcohol, butyl glycolate, benzyl alcohol, cyclohexanol, methanol, n-hexanol and diethyl phosphite; or (ii) chlorine gas introduced over 0À3-13 hours at 150‹ C. under UV; or (iii) HCl or HBr at 100‹ C. In the examples first components, containing 50-200 p.b.w. of these, optionally with 30-150 p.b.w. of unmodified or sulphonated polyisocyanate, 20-25 p.b.w. of CCl 3 F (omitted in Examples 24-33 and 39 in which the products are non-foamed solids) and optionally 100 p.b.w. of cement, are mixed with second components containing 150 p.b.w. of 44% sodium silicate, 0À2-1 p.b.w. of emulsifier and 1-2 p.b.w. Et 3 N or 5 p.b.w. tris(dimethylaminopropyl) triazine.
Patent GB-1044480-A (GB)
Title: Animal feeds containing sulphonamides
IPC: A23K1/16
Filed: 1964-12-17
Abstract: Veterinary compositions for the treatment or prevention of coccidiosis in economically useful animals comprise an animal feed or drinking supply containing, per 100 parts by weight, from 0.001 to 1.0 parts by weight of 4-sulphanil-amido-2,6-dimethoxy-pyrimidine ("sulpha-dimethoxine"), or an acceptable salt thereof.  The invention also relates to a premix concentrate comprising a basic animal feedstuff and from 12.5% to 25% by weight of the said active ingredient, and to a method of providing the said animals free from or resistant to coccidiosis by administering the feed or drinking supply.  The drinking supply consists of the appropriate quantity of active ingredient in either an aqueous dispersion of a surface active agent and emulsifier and/or a solubilizer, or a vegetable oil which may include these latter additives.  Examples are given for a feed, which also includes trace elements, methionine, choline, and vitamins; for a premix of the active agent with soybean flour and for the treatment of chickens, hens, beef cattle, sheep and swine with feeds or drinking supplies according to the invention.
Patent GB-1488325-A (GB)
Title: Preparation of o-cresol and 2,6-xylenol
IPC: C07C43/205
Filed: 1975-12-19
Abstract: 1488325 Preparation of o-cresol and 2,6- xylenol SOC ITALIANA RESINE SIR SpA 19 Dec 1975 [20 Dec 1974] 52175/75 Heading C2C A process for preparing o-cresol and 2,6- xylenol which process comprises passing a gaseous stream containing methanol and phenol in a molar ratio of phenol to methanol of from 1 : 1 to 1 : 2 through a fluidized bed of alumina particles operating at a temperature of from 200‹ to 400‹ C., the alumina particles being from 20 to 100 microns in size and being of an alumina in the eta (#), gamma (γ) or chi (#) crystallographic form, having a surface area of from 100 to 500 m.<SP>2</SP>/g. and an overall pore volume of from 0À3 to 0À6 ml./g., the alumina having been pre-treated with a stream of air or inert gas at a temperature of from 450‹ to 550‹ C. for a period of at least 2 hours.
Patent GB-1168843-A (GB)
Title: Sheet Feeding Apparatus
IPC: B65H3/34
Filed: 1966-11-24
Abstract: 1,168,843. Feeding sheets. ADDRESSOGRAPH-MULTIGRAPH CORP. 24 Nov., 1966 [26 Nov., 1965], No. 52596/66. Heading B8R. In an apparatus for separating sheets one at a time from the top of a stack supported on a tray there is provided means for assisting the removal of the top sheet comprising a pair of pivotally mounted arms having downwardly extending front stop portions which engage the front edge of the stack and flange portions at the juncture of the arms and the front stop portions which overlie the upper surface front corners of the stack, the arms being movable to allow the insertion of a new stack. In a preferred embodiment, Fig. 1, a stock of sheets 14 is supported on tray 12. Driving roller 16 on intermittently rotated shaft 18 propels sheets from the stack towards a utilization device, e.g. a reproducing or copying machine. Arms 22 and 24 are pivotally mounted at 72 on vertically disposed portions 66a and 68a of supports 66 and 68, and include forwardly extending portions 22a and 24a, inwardly extending segments 22c and 24c which extend over the top surface of the top sheet at each leading corner and rest on the top sheet. Downwardly extending portions 22d and 24d form abutments for the front of the stack of sheets. When a sheet is fed by rollers 16, segments 22c, 24c, and portions 22d and 24d cause the top sheet to flex away from the lower sheets until it snaps over the arms and is fed away from the stack. Arms 22 and 24 may be disengaged to add or change sheets by means of eccentric operator 26 which when rotated in brackets 74 and 75 by depressing handle 76 is moved into engagement with upwardly and rearwardly extending portions 22b and 24b of arms 22, 24 whereby segments 22c and 24c are lifted away from stock 14. Means are provided to latch operator 26 in an inoperative position and to frictionally hold it in an operative position. Edge guides 34 and 36 include vertical portions 34a and 36a which engage the sides of the stack and horizontal parts 34b and 36b which rest on tray 12 and bear friction feet 50. The guides are adjustable for various sheet widths by being attached to racks 52 and 54 either simultaneously movable by pinion 60, or individually movable on disengagement of pinion 60. Supports 66 and 68 are also secured to racks 52 and 54 to be movable therewith.
Patent GB-1205407-A (GB)
Title: Automatic control system
Inventor: NELSON RAYMOND ARTHUR
IPC: G05D1/00
Filed: 1967-11-21
Abstract: 1,205,407. Automatic position control. SPERRY RAND CORP. Nov.21, 1967 [Nov.25, 1966], No.52815/67. Heading G3R. Two control members are respectively positioned by substantially identical closed-loop electrical control systems, synchronism being ensured by separate pick-offs, responsive to displacement of each control member, each of which applies signals in opposite senses through passive circuits to both control systems. As shown, left and right hand elevators 12, 13 of an aircraft are controlled by automatic pilots 10, 11 having identical gyroverticals 15, 35 and glide-path receivers 14, 34. Signals from glide-path receiver 14 are integrated at 20 and applied, together with signals directly from glide-path receiver 14 and from gyrovertical 15, to control an electro-hydraulic servo 24 adjusting left hand elevator 12. Follow-up is provided by a synchro 25, coupled to elevator 12, which applies negative feedback signals through a resistor 27. Right hand elevator 13 is controlled in a similar manner. The output of the synchro 25, 45 associated with each elevator is also applied in opposite sense through a separate transformer 53, 63 to the system controlling the other elevator so that differences between the positions of the two elevators are corrected. Such control is through resistors 50, 60, 54, 64 to provide a short-term effect and through resistors 52, 62 to the inputs to the integrators to give a long term effect. Means may be provided to de-couple the control systems or render one of them inoperative, with the other controlling both elevators, if the elevator deflections differ by more than a predetermined amount.