baber/WOPTO huggingface dataset:
Patent GB-1315739-A (GB)
Title: Heat insulating means for sodium-cooled nuclear reactors
IPC: G21C11/08
Filed: 1971-11-26
Abstract: 1315739 Reactor shields GES FUER KERNFORSCHUNG mbH 26 Nov 1971 [4 Dec 1970] 55008/71 Heading G6C A heat-insulating means for surrounding the coolant in a Na-cooled reactor, to reduce convection losses from the coolant, comprises metal jackets filled with an insulating material consisting of Na 2 O or a Na-salt (e.g. Na 2 CO 3 ), preferably in the form of an anhydrous powder. The Na 2 O or Na-salt only dissolves in sodium to a slight degree and, should there be leakage through a metal jacket, may be extracted via cold traps from the insulating system. As shown, an insulating layer is built up from rod-shaped insulating bodies 1 of triangular cross-section which are arranged over a surface 2 to be insulated in alternating axial orientation in a plurality of layers under a metallic covering 3. In order to counteract the higher upstream coolant pressure (the Na coolant flows in the direction of the arrow 4), the end 5 of the covering 3 is connected to the surface 2 in a flowtight manner, while downstream the covering 3 is provided with pressure-release apertures 6. The insulation is thus compressed by the coolant so that gaps between the bodies 1 are reduced in size. The insulating bodies 1 may alternatively have a rectangular cross-section. The metal jackets are conveniently filled under a protective gas (e.g. helium or argon), which gas occupies the pores in the finished article. At both ends of the bodies 1, the jackets are hermetically sealed.
Patent GB-1419106-A (GB)
Title: Apparatus for the collection of oil from the surface of water
IPC: E02B15/06
Filed: 1972-12-04
Abstract: 1419106 Removing oil from water surface D MIKANDER - MALMBERG 4 Dec 1972 [13 Dec 1971] 55867/72 Heading B1D [Also in Division B7]  An apparatus for the collection of oil from the surface of water comprises a sheet 13 of deformable material, a float 14 around the entire periphery of the sheet and means for elevating part of the sheet remote from the float so as, in use, to define a closed chamber bounded by the sheet, the float and the water surface, and a suction conduit 12, which may be the said means for elevating part of the sheet, connected to the chamber for removal of oil. Figure 2 shows an apparatus comprising a circular sheet 13 of rubber or plastics and wherein the suction conduit 12 provides the support for the central part of the sheet to define a funnel shaped chamber for oil collection. In use, the apparatus is moved across the water surface. A similar embodiment is described (Fig. 3 not shown) using a circular sheet in which the middle of the sheet is supported by a buoy or float mounted beneath the sheet with the suction conduit leading downwardly through the buoy. A further embodiment using a circular sheet is described (Figures 10 and 11 not shown) wherein the central part of the sheet is supported by a balloon and the suction conduit leads via a pump to a floating sack providing a reservoir for the collected oil and weighted by a drift anchor.  Figure 5 shows an apparatus of tapered cross-section designed for towing by a boat. At the stern end the float is of smaller volume than at the stern end and the stern is weighted 18 to hold it down in the water. Holes 19 are provided in the sheet leading to pipes 19' feeding below the water surface to remove water collecting on the upper surface of the sheet. A further apparatus for towing by a boat (Figs. 8 and 9 not shown) is described wherein the stern float is replaced by a bundle of air filled plastics tubes and the oil is collected from the channels formed between the tubes.  The apparatus may be formed as an inflatable boat (Figure 6) having an oil reservoir 20 defined by a transverse bulkhead and a stern deck for mounting of an outboard motor 21.
Patent GB-1176659-A (GB)
Title: An Optical Lens.
Inventor: GASA HANS-JOACHIM
IPC: G02B27/00
Filed: 1966-12-15
Abstract: 1,176,659. Lenses. H.J. GASA. Dec. 15, 1966 [Jan. 4, 1966], No.56117/66. Heading G2J. A lens has one or both surfaces elliptically curved according to the equation:- r1+ r2/2e = n where r 1  and r 2  are the distances of a point on the surface from the focal points of the ellipse, 2e is the distance between such focal points and n is the refractive index of the lens material. Both faces of the lens may be elliptically curved or one may be spherically curved. The lens may be of glass or plastics material or liquid contained in a thin shell. The lens, or an assembly thereof, may form a curved image and non-circular diaphragms, such as rectangular or elliptical diaphragms may be used.
Patent GB-1418469-A (GB)
Title: Apparatus for packing goods
IPC: B65B9/15
Filed: 1972-12-05
Abstract: 1418469 Packaging fruit MASCHINENFABRIK SPANG & BRANDS 5 Dec 1972 [16 Dec 1971] 56128/72 Heading B8C A tube of packaging material 3, which surrounds a tube 2 for supplying goods, e.g. fruit (18), Fig. 3 (not shown), to be packaged, is both braked and drawn down the tube 2 by a device 7 which may be in the form of an electrically, hydraulically or pneumatically operated pair of gripping jaws 8 slidable on guides 11. A pivoted flap 17 in the upper part of the tube 2 controls the feed of articles to be packaged in the drawn-off material 3. A ring 15 is slidable on the tube 2 to co-operate with the jaws 8, and a fixed collar 5 tensions the material 3.
Patent GB-1451618-A (GB)
Title: Direct positive silver halide materials
IPC: G03C1/485
Filed: 1973-12-05
Abstract: 1451618 Photographic direct-positive silver halide emulsions AGFA-GEVAERT 5 Dec 1973 [23 Dec 1972] 56323/73 Heading G2C Photographic direct positive silver halide emulsions having improved photo-sensitivity comprise silver halide grains which are fogged to a degree as defined in the Specification, which are heterodisperse, i.e. at least 10 wt. per cent of the grains differ by at least 40% from the average grain size, and which have a silver iodide content of 10 to 20 mol %. The grains are preferably free from interior ripening nuclei and have an electron-accepting or de-sensitizing compound adsorbed to their surface. The emulsions may be prepared by the single jet system and may contain developing agent. The direct positive materials formed by coating the emulsions on supports may be processed using activator or developer solutions free from halide ions, and applied as viscous solutions e.g. from a rupturable container.
Patent GB-1247770-A (GB)
Title: Field effect transistor logic circuits
IPC: G11C19/28
Filed: 1969-11-24
Abstract: 1,247,770. F.E.T. logic circuits. NATIONAL CASH REGISTER CO. 24 Nov., 1969 [25 Nov., 1968], No. 57287/69. Heading H3T. Each F.E.T. logic circuit 10, 12 of a first set is coupled to a corresponding one 14, 16 of a second set by means of respective F.E.T.s 100, 106 which have one end of the current path of each connected to a respective logic circuit of one set 14, 16, and the other ends connected in common to all the logic circuits of the other set. A F.E.T. amplifier 20 may be included between the common terminal 46 of logic circuits 10, 12 and that of coupling F.E.T.s 100, 106. In operation, an input at 50 to circuit 10 appears inverted as signal X at common terminal 46 during the # 2  period. This is amplified, and is gated by F.E.T. 100 to charge a capacitance 58. The stored signal appears inverted at output 54 when F.E.T. 168 is turned on during # 4  time. Similarly the Y signal is passed in the # 4  followed by # 2  periods. In another embodiment (Fig. 2, not shown), the output of the coupling circuit (18) feeds in common all the inputs of logic circuits (14, 16) of one set, through an amplifier (20), and receives separate X, Y inputs from the other set. In this case the inputs go to one F.E.T. (136, 154) of a respective series-connected pair of F.E.T.s the other one of which (128, 146) is gated by # 2  for the Y and # 4  for the X signals. The two seriespairs have a common load (120) which provides the output to the amplifier.
Patent GB-1196570-A (GB)
Title: Process for Preparing Agents for the Care of The Hair
Inventor: ECKARDT WOLFGANG
IPC: A61Q5/02
Filed: 1968-12-05
Abstract: 1,196,570. Anti-dandruff agent. UNILEVER Ltd. 5 Dec., 1968 [8 Dec., 1967], No. 57743/68. Heading A5B. [Also in Divisions C3 and C5] A complex of a degraded protein and an alkyl or alkenyl thiosulphate (see Division C3) is an anti-dandruff agent. It may be used as a lotion or in hairdressing compositions, setting lotions, conditioners and streingtheners. An example of a lotion is given.
Patent GB-1299888-A (GB)
Title: Equipment for administering enemas for radiological purposes
Inventor: LEPAR EDWIN
IPC: A61F2/958
Filed: 1969-11-26
Abstract: 1299888 Administering enemas E LEPAR 26 Nov 1969 [29 Nov 1968] 57942/69 Heading A5R Equipment for use in administering enemas through colostomies or the anus for radiology comprises a catheter 15, apertured at both ends, extending through a flexible inflatable obturator 7 intended to be positioned externally of a patient's body, and a sealing means 14 on the side of the obturator adjacent the body, the obturator having connected thereto means for moving it to the patient's body. The moving means may comprise a body encircling strap 8 attached to lugs 10 on fastening straps 9 passing over the outer and inner surfaces of the generally venticular obturator. An annular sealing ring 14 of porous sponge rubber 14 with an impervious surface layer 14a surrounds the catheter on the side of the obturator which in use is pressed against the body. In an alternative embodiment (Fig. 5, not shown) for anal administration of enemas the obturator (22) is frusto-conical in shape and provided with stiffening ribs (26) in its side walls. Mooring straps (23), Fig. 4 (not shown) and (24, 25) pass around the legs and the trunk of the body respectively. The material of the catheter, obturator and mooring means may be X-ray translucent, and an X-ray opaque marking ning 21 may be provided around the catheter, positioned so as to be adjacent the stoma or anus when in use.
Patent GB-1197520-A (GB)
Title: Stable Dispersions of Water-Soluble Anionic Dyestuffs, their production and use
IPC: C09B67/24
Filed: 1968-12-06
Abstract: 1,197,520. Dispersions of anionic dyes. J. R. GEIGY A.G. 6 Dec., 1968 [8 Dec., 1967], No. 58088/68. Heading D1B. Dispersions of water-soluble anionic dyes comprise, a) water-soluble anionic dye e.g. acid wool dyes, reactive dyes and substantive dyes, b) at least one water-soluble salt consisting of the anion of an inorganic or organic mono- or polybasic acid and of the cation of an inorganic mono- or polyacid base, c) at least one dispersing agent d) optional auxiliaries e) water, the salt concentration being sufficiently high to ensure that the watersoluble dye is substantially undissolved. Preferably at least 10% by weight of a), and 0.2 - 15% by weight of c) are present. The preparation may be used for dyeing (after dilution with water) natural or regenerated cellulose, natural or synthetic polyamides, wool and cotton being specified.
Patent GB-1197300-A (GB)
Title: Improvements in Voltage Regulation
IPC: G05F1/38
Filed: 1967-12-22
Abstract: 1,197,300. Automatic voltage control. GENERAL ELECTRIC CO. Dec.22, 1967 [Dec.29, 1966], No.58361/67. Heading G3R. A stabilized D.C. voltage at terminals 22, 24 is derived from an A. C. source, e. g. an enginedriven alternator, by way of a magnetic amplifier 16, a transformer 14 and a rectifier 20, the magnetic amplifier being controlled, by way of its control winding 36, in dependence upon output voltage variations as sensed by a voltage divider 48, 50 connected across the terminals 22, 24; the voltage at the junction of 48, 50 is compared with a reference voltage, derived from a Zener diode 54, by means of a differential amplifier including transistors 38, 40 and the output from the amplifier controls the energization of the control winding 36 in a corrective manner. The transistors 38, 40 are preferably matched as regards their temperature characteristics to permit of accurate regulation over a wide temperature range; where this accuracy is not necessary, the amplifier may comprise a single transistor Fig. 2 (not shown).
Patent GB-1339585-A (GB)
Title: Electric signal translating systems
IPC: H03F3/19
Filed: 1970-12-10
Abstract: 1339585 Amplifiers; parametric frequencychangers; signal level control; radio signalling WESTERN ELECTRIC CO Inc 10 Dec 1970 [16 Dec 1969] 58592/70 Headings H3B H3R H3T H4L and H4R  An electric signal translating device has an input port to which a signal is applied, and an output port; the input signal either includes the internal voltages of the system or means are provided to neutralize them. The arrangement also includes further means for applying a further voltage to another point on the device and control means responsive to the instantaneous amplitude of the signal at the input port for proportionately varying the instantaneous amplitude of the voltage applied by the further means to produce at the output port an output signal having an equally proportionally varying instantaneous amplitude so as to increase the linear dynamic range of the device. Radio relay repeater.-A signal picked up by aerial 10, Fig. 4, is converted to a lower frequency by frequency converter 11 in conjunction with local oscillator 12, and then amplified by amplifier 13: the amplified signal is reconverted to a retransmitting frequency by means of a second frequency converter 14, using local oscillator 15, the output of which is modulated by means of variable attenuator 20 with signal from amplifier 13, so as to linearize the frequencyconverter 14. Parametric frequency-converter.-An I.F. input signal is applied over an isolator to varactor diode 30, Fig. 5, which derives a standing bias from source 32. The pumping signal is derived from a local oscillator 15 via a variable attenuator 20 comprising directional coupler 34 and diodes 35, 36 which obtain a fixed bias from source 37 and an instanteous bias derived from the incoming signal. Transistor amplifier.-Amplifier 60, Fig. 7, is emitter biased by source 64, and has collector load resistor 68. Signal from source 66 is applied over directional coupler 71 to the base, together with bias from source 67. The second output port of directional coupler 71 is connected to a modulator 70 in the collector circuit of amplifier 60, whereby the supply from source 69 is varied in a sense to linearize the amplifier. The signal applied from the directional coupler to the modulator may be amplified by an arrangement comprising a down converter, I.F. amplifier and up converter (Fig. 9, not shown).
Patent GB-1362690-A (GB)
Title: Method and apparatus for producing food bodies
IPC: A01K61/80
Filed: 1971-12-23
Abstract: 1362690 Folding web material U BAENSCH 23 Dec 1971 [29 Dec 1970] 60101/71 Heading B8R [Also in Divisions B5 and A2] A method of producing food bodies, e.g. fish food, comprises feeding comminuted food particles in a paste form on to a drying roller 1, withdrawing the dried paste in the form of a web 5, and folding the web into superposed layers to produce a stack by a reciprocating fork member 12, or a reciprocable table (7), Fig. 1, not shown. After stacking the layers are punched, to form disc-shaped bodies, Figs. 3 and 4, not shown.
Patent GB-1294346-A (GB)
Title: Projection reader apparatus
Inventor: LEUTWEIN MANFRED
IPC: G03B21/11
Filed: 1969-11-26
Abstract: 1294346 Projection apparatus EASTMAN KODAK CO 18 Dec 1969 [19 Dec 1968] 61759/69 Heading G2A Apparatus for projecting images from, e.g., a microfiche, comprises recesses 6, 7 for receiving a plurality of microfiches with a feed path therebetween, means for feeding the fiches one at a time along the feed path; first, 31, and second, (40), Fig. 5 (not shown), projection stations for receiving a microfiche as it is directed along the feed path; and first, 50, and second, 56, lens means disposed at the station 31 for projecting images from two different portions of a microfiche at that station. The second station (40) also has a lens means (52), associated with a viewing screen 4. The lens means 50 is associated with a viewing screen 5, while the lens and reflector unit 56, which may be movably supported for selecting different portions of the microfiche at the station 31, is also associated with the screen 4, there being means de-energizing the lens means (52) when the lens means 56 is in use. The recesses 6, 7 may receive stacks of microfiches directly, or the latter may be loaded into a pair of magazines (13), 14 which are then inserted in the recesses 6, 7. Transport rollers (47), 16 withdraw or insert the microfiche cards from the magazines. Each half of the transport mechanism is driven by a reversible motor, and an intermediate magazine (34), Fig. 4 (not shown) is provided to store microfiches which have only been illuminated at one projection station. A microfiche may be laterally displaced at a projection station, in order to illuminate one of a second row of images. To select the appropriate image, the microfiche movement past the projection station 31, (40) is checked by a stop (24, 45) and the microfiche is fed backwards, a selected stop 32a-d, (46a-d) corresponding to the required image halting this movement. In another embodiment, Figs. 11, 12 (not shown), a third viewing screen (60) is provided, associated with the movable lens means (56) at the first projection station (37).
Patent GB-1244614-A (GB)
Title: Carpet shampooing apparatus
IPC: A46B11/04
Filed: 1968-08-21
Abstract: 1,244,614. Cleaning carpets. S.A. BRUSH CO. Ltd. Aug.21, 1968 [Aug.25, 1967; Oct.30, 1967; Nov.13, 1967], No.62043/70. Divided out of 1, 244, 613. Heading A4F. The fore and aft movement of a carpet shampooing apparatus over a carpet causes shampoo liquid to be fed to the shampooing members of the apparatus. The shampooing liquid is contained in a plastics bag 15 having an extension formed with a weir 22 and depending reservoirs 18 having discharge apertures 19. During fore and aft movement of the apparatus the reservoirs 18 are filled periodically with the liquid which flows over the weir 22. A blade 26 Fig.4 (not shown) may be depressed by a push-button to squeeze the extension of the bag 14 to cut off the flow of liquid to the reservoirs 18.
Patent GB-1292345-A (GB)
Title: Improvements in or relating to apparatus and plant for the production of lead accumulator plates
Inventor: DUNGS HORST
IPC: H01M4/23
Filed: 1969-12-24
Abstract: 1292345 Apparatus for producing lead accumulator plates CARL STILL 24 Dec 1969 62929/69 Heading H1B The apparatus (Fig. 3) comprises a washing portion 10, an impregnating portion 12, a drying chamber 19 and a cooling chamber 28 for negative plates, the entry to the drying chamber 19 being through a liquid lock 14 (Fig. 1, not shown), a drying chamber 39 for positive plates' a generator 47 for producing hot inert gas and connected to feed the gas to the negative plate drying chamber 19 and a heat exchanger 55 connected to receive gas from the negative plate drying chamber 19 so as to heat air for the positive plate drying chamber 39 and simultaneously to cool hot inert gas from the negative plate drying chamber 19 and to feed the cooled gas to the cooling chamber 28. As described generator 47 is a furnace with a propane burner 46 producing a mixture of CO 2 , H 2 O and N 2  which is inert with respect to the negative plates under the conditions pertaining in chamber 19.
Patent GB-2004888-A (GB)
Title: N-Pyridylaminomethylene- Diphosphonic acid compounds
IPC: C07F9/58
Filed: 1978-07-18
Abstract: N-Pyridylaminomethylene- diphosphonic acid compounds of the general formula below:   <IMAGE> wherein R1, R2 and R3 represent a hydrogen atom or lower alkyl group, and X and Y represent independently, a hydrogen atom, lower alkyl group, halogen atom, nitro group, acetylamino group, carboxyl group, methoxycarbonyl group, hydroxyl group or methoxy group, excluding, however, N-(4- pyridyl) aminomethylene-diphosphonic acid. Herbicides containing such compounds as an active ingredient and a process for preparing such compounds by reacting a dialkyl phosphite with an alkyl ortho-carboxylate and an aminopyridine compound.
Patent GB-2027576-A (GB)
Title: Selective Adsorption from Solutions Such as Coffee Extracts
IPC: A23F5/22
Filed: 1978-08-07
Abstract: The selectivity of an adsorbent for the preferentially adsorbed component of a multi-component solution (e.g. caffeine in aqueous coffee extracts) is improved by coupling a countercurrent adsorption process with a reflux operation wherein the loaded adsorption medium 1 which is taken off stream as spent adsorbent is first processed to concentrate the preferentially adsorbed component therein and then desorbed; the concentration being achieved by an aqueous solution 20 of desorbed solids, containing, in relation to the feed 11 to the countercurrent adsorption, a higher concentration of preferentially-adsorbed component but a lower total solids concentration; and the effluent 21 from the concentration being recycled to the countercurrent adsorption. The loss of the non-preferentially adsorbed components is thus avoided. As shown, the eluate 23 is fractionated at 7 to recover desorbent and concentrated at 8 to make up solution 20, and the material is rinsed at 30 with water. The adsorbent may comprise non-ionogenic, macroreticular, cross-linked resin particles of, e.g. divinylbenzene polymer or styrene-divinylbenzene copolymer. <IMAGE>
Patent GB-2006108-A (GB)
Title: Bottle for liquid foodstuffs
IPC: B32B1/02
Filed: 1978-09-25
Abstract: A blow-moulded bottle for liquid foodstuffs has inner, intermediate and outer layers of differing plastics material, optionally with an adhesive inter- layer between a or each pair of adjacent layers them. The inner layer 2 comprises a polyolefin or thermoplastic polyester, the intermediate layer 3 is made of a thermoplastic resin or blend thereof and has an oxygen transmission coefficient which at 37 DEG C and 0% relative humidity is not greater than 0.3 x 10<-11> cc.cm/cm.<2>.sec. cmHg. The outer layer 4 consists chiefly of a high molecular weight linear polyamide with 7 to 25 amide groups per 100 carbon atoms. <IMAGE>
Patent GB-2013576-A (GB)
Title: Erasing Printed Characters
IPC: B41J29/34
Filed: 1978-10-30
Abstract: To erase a character, the printing paint is moved to a first position a fraction to one side of the printed character to be erased and the type of the character to be erased stuck against an erase tape onto the printed character. The printing point is then moved a second position a fraction on the other side of the character to be erased and the type is again struck. This arrangement is particularly suitable for daisy wheel print heads where the accuracy of character placement when overprinting is relatively low.
Patent GB-2013889-A (GB)
Title: A case for variable-scale measuring instruments
IPC: G01D11/24
Filed: 1979-01-25
Abstract: A moulded plastics case for measuring instruments, comprising a box-like body defining the side walls (2-5) of the case, a removable backplate (6), a bezel (13) securable to the front of the body to hold a window (12), and a scale plate (15) which can be inserted or extracted parallel to the backplate through a slot (14) in one wall (2) of the body, characterised in that the body is in one piece and has a step (18) in the side walls adjacent the slotted wall (2) and at the same level as the slot, to form a first rest for the scale plate, and the body has at least one flap (22,23) secured to a side wall, the flap extending into the interior of the body and forming a second rest for the scale plate opposite that defined by the step. Flaps (22,23) extend from a triangular wall (19) across one corner of the body. A resilient plug (17) retains the scale plate. <IMAGE>