baber/WOPTO huggingface dataset:
Patent GB-1366432-A (GB)
Title: Riser assembly for low pressure casting apparatus for casting mag nesium
IPC: B22D18/04
Filed: 1972-09-29
Abstract: 1366432 Pressure casting machines METALL-WERK-MERKUR GmbH 29 Sept 1972 [29 Sept 1971] 45160/72 Heading B3F In a low pressure casting apparatus for magnesium, the side wall of the riser 6 or an intermediate member 13 between said riser and the mould 7, is provided with a bore 17 having a plunger 19 therein, the plunger being provided with a conduit for an inert gas and being movable into the interior of the riser 6 or intermediate member 13. The plunger 19 is detachably connected to the piston-rod of a piston and cylinder unit 25, and to a flexible line 29 for supplying the gas to a bore 22 in the plunger. The bore 22 connects with a downwardly directed outlet duct 21. When molten metal is being forced up the riser 6 into the mould 7, the plunger 19 is in its retracted position as shown in full lines in Fig. 2. In this position the gas outlet duct 21 is closed by the wall of the bore. When the mould is removed and the molten magnesium has fallen back down the riser 6, the plunger 19 is moved to its extended position in which the inert gas flows out of the duct 21 and downwardly into the riser 6 to prevent access of air to the molten metal.
Patent GB-1022301-A (GB)
Title: A temperature-responsive circuit-controlling instrument
Inventor: BROAD WALTER ALFRED
IPC: H01H29/30
Filed: 1963-11-18
Abstract: 1,022,301. Mercury switches. H. J. ELLIOTT Ltd. Nov. 12, 1964 [Nov. 18, 1963], No. 45493/63. Heading H2B. Mercury 5 rises in a tube I to make a circuit between two conductors 6, 7, and the overflow mercury 11 leaves the narrowed end 2 of tube 1 and collects at the bottom of a chamber 10 in a glass tube 3 and out of contact with the conductor 7 and its end 9. Tubes 1, 3 are sealed together and the conductors are of platinum, conductor 7 having a glass sheath 8. The overflow feature allows for simple pre-setting of the instrument for circuit-making at a predetermined temperature.
Patent GB-928326-A (GB)
Title: Agents for increasing the wet shape retention of fibrous materials containing or consisting of cellulose and a process using the same
Inventor: GRAEFJE HEINZ
IPC: D06M15/347
Filed: 1961-12-20
Abstract: Vinyl polymers containing vinyl acyloxymethyl ether units may be prepared by acylating vinyl hydroxymethyl ether polymers which may be obtained by reacting formaldehyde with hydrolysed vinyl ester polymers as described in Specification 924,036.  The acylating agent may be the anhydride or acid halides of acetic, propionic, butyric, caproic, lauric, palmitic or stearic acid. Acylation may be complete, or sufficient hydroxymethyl groups may be retained to render the polymers water-soluble.  In examples a saponified vinyl acetate polymer which has been reacted with formaldehyde is acylated with (1) acetic anhydride and (3) propionic anhydride in dimethyl formamide. Aqueous or organic solvent solutions or dispersions of the polymers may be used for treating fibrous materials comprising cellulose, e.g. cotton and rayon fabrics to improve the wet shape retention thereof. Such compositions may also comprise acid reacting catalysts, e.g. magnesium chloride, zinc chloride and zinc nitrate; softeners such as N-alkyl ethylene ureas; methylol compounds of urea or cyclic urea derivatives such as ethylene urea, glyoxal monoureine and glyoxal diureine; and emulsifiers such as ethylene oxide adducts of sperm oil alcohols.ALSO:The wet shape retention, particularly crease resistance, of fabrics containing or consisting of cellulose is increased by impregnating with vinyl polymers containing vinyl acyloxymethyl ether units, and heating in the presence of acid reacting substances.  The acyl group may be derived from acetic, propionic, butyric, caproic, lauric, palmitic or stearic acid, and the polymer may contain other units, e.g. sufficient vinyl hydroxymethyl ether units to render it watersoluble.  The acid reacting substance may be magnesium chloride, zinc chloride or zinc nitrate.  Impregnation may be effected with aqueous or organic solvent solutions or dispersions of the polymer which may also contain softeners such as N-alkyl ethylene ureas, and methylol compounds of urea or cyclic urea derivatives such as p  ethylene urea, glyoxalmonoureine and glyoxaldiureine.  Examples describe the impregnation of (1) cotton fabric and (2) rayon fabric with an aqueous solution of a polymer containing vinyl acetyloxymethyl ether units, sodium carbonate and magnesium chloride; and (3) the impregnation of cotton fabric with an aqueous dispersion of a polymer containing vinyl propionoxymethyl ether units emulsified with an ethylene oxide adduct of sperm oil alcohol, and zinc chloride. Specification 924,036 is referred to.
Patent GB-456540-A (GB)
Abstract: 456,540. Knitting-rnachines. BLACKBURN & SONS, Ltd., G., Kirkewhite Street, Nottingham, and TOWERS, E. J., 11, Clifton Road, Ruddington, Nottinghamshire. June 4, 1935, No. 16129. [Class 74 (ii)] In elastic thread feeding mechanism for circular knitting-machines of the kind in which the thread is held in contact with the surface of a driving member A by a roller C adapted to vary the position of the thread on the driving member A to vary the rate of feed, the driving member A has its driving surface composed of raised ribs B, which may be let into grooves in the disc A and which grip the thread without putting excessive pressure upon it. The ribs B, which may be of the same width throughout their length, may be radially disposed or may be tangential to a smaller circle concentric with the driving disc A. The downward movement of the roller C, under spring action D, is limited by a nut H. For threading-through, the roller C may be raised, against the spring D, by a cam lever G, G<2>.
Patent GB-1130915-A (GB)
Title: Method of dispensing lengths of pressure-sensitive adhesive tape
Inventor: CANDLER DENNIS JOHN
IPC: B65H35/00
Filed: 1965-10-28
Abstract: 1,130,915. Tape roll dispensers. TAPE DEVELOPMENT Ltd. 4 Oct., 1966 [28 Oct., 1965], No. 45748/65. Heading A4G. A device for dispensing a roll 14 of adhesive tape having a release coating on its non-adhesive side and mounted on the flange 22 of a roll support disc 23, has a controlled braking force applied to the disc when unwinding tape. The disc has a central aperture whereby it rotates on a boss 17 on a spindle 16 prevented from from rotating by an end stub 19 entering a slot 20 in the dispenser housing 11, 12. The braking is effected by a flange 24 sliding on the spindle to engage the disc under spring loading 26 and pressing the disc against a flange 18 on the spindle, the flange 24 being prevented from rotating by peg 17a on boss 17. In a second embodiment, a brake pad engages flange 22 under a spring adjustably loaded by a lever.
Patent GB-1158966-A (GB)
Title: Improvements in or relating to Reciprocating Pumps and Valved Cylinder Heads therefor.
IPC: F04B53/10
Filed: 1967-10-06
Abstract: 1,158,966. Reciprocating pumps. GOLDEN ARROW MFG. Ltd. Oct.6, 1967 [Oct. 18, 1966], No. 45852/67. Heading F1A. A cylinder head for a reciprocating pump, e.g. for abrasive or corrosive liquids, comprises an unmachined metallic casting 16 having inlet and outlet ports 17, 18, and inlet and outlet valve members 28, 31, e.g. of metal or ceramic, spring-loaded against seats 26, 30 of plastics material, the valve members being of harder material than the valve seats, the seats being located by valve cages 25, 29<SP>1</SP> of plastics material, and the cages being located by plastics inserts 22, 23 in the head cavity 21. The plastics inserts are held in position by the cylinder block 11 and liner 13, on which the head is bolted. Sealing rings 20, 24, 33, 35 and 37 provide sealing between the unmachined surfaces of the head casting and adjacent components. Liner 13 may be of ceramic or metal.
Patent GB-1010668-A (GB)
Title: Improvements relating to electrical proportional control systems
IPC: G05D23/24
Filed: 1962-05-28
Abstract: 1,010,668. Automatic temperature control systems. GARRETT CORPORATION. May 28, 1962 [May 29, 1961], No. 46156/64. Divided out of 1,010,667. Heading G3R. An automatic control system described for example in the parent Specification has a power limiting means comprising a load current transformer 27 developing a voltage across a resistor 93 to which is added a voltage from a resistor network 89, 90, the sum of the voltages being rectified by rectifier 95 and passed through zener diodes 96 to central winding 97 of a magnetic amplifier which when the sum of the voltages exceeds the threshold value of the zener diodes retards the firing point of thyristors or thyratrons 100, 101.
Patent GB-1441867-A (GB)
Title: Cooling means for an electric linear reciprocable motor
IPC: H02K33/02
Filed: 1974-10-25
Abstract: 1441867 Reciprocating compressors BLACK & DECKER Mfg CO 25 Oct 1974 [30 Oct 1973]  46284/74 Heading F1N [Also in Division H2] Means for cooling a reciprocating motor comprises a reciprocable fan attached to the motor and mounted in a housing. An air compressor has a reciprocating motor 10 comprising a laminated stator 16 mounted in a two part housing (76, 78) Fig. 4 (not shown) which has a winding 18 supplied with half-wave rectified A.C. A tubular piston 26 has a laminated armature 28 at one end and encloses a spring 30 fixed at the other end which bears on a rod 34 passing through the armature and stator and which is bolted to a bracket 67 fixed to the stator. Thus as the winding 18 is energized, the armature 28 is drawn into the stator core compressing the spring 30 against the rod 34. Air is then drawn in through an entry valve 38. As the energizing field decays, the spring 30 provides a restoring force to exhaust the air through exit valve 40. Mounted on the armature 28 is a flange 54 on the end of a hub 52 of a disc-like fan blade 50. The blade 50 moves in a cup-shaped housing 66 surrounded by sound-insulating material 75. The housing has ports 70 to allow cooling, ambient air to be forced around the stator inside the housing 12 by the fan blade 50.
Patent GB-1443153-A (GB)
Title: Supporting apparatus
IPC: B44C7/06
Filed: 1972-10-06
Abstract: 1443153 Ornamenting J S CLEMENTSON 12 Sept 1973 [6 Oct 1972] 46289/72 Heading B6G Apparatus for supporting a covering material to be applied to a wall or ceiling comprises an open ended cup or box-like structure provided with compressible material around the periphery of the open end, means attached to the structure for supporting the covering material and a passageway provided through the structure for communicating with means for providing a partial vacuum whereby when the partial vacuum is applied the structure is held against a wall or ceiling by air pressure. A mesh, grid or grille is preferably positioned across the open end of the cup or box-like structure whereby in use the covering over which the apparatus is positioned is prevented from being drawn outwardly by the vacuum. The means for applying a partial vacuum can be a vacuum cleaner which is connected to a tube on the structure by means of stout walled tubing. In this case a bleed hole is preferably provided through the structure to allow a controlled flow of air to reach the vacuum cleaner to avoid over-heating the motor. The means for supporting the covering material can be a tray or shelf which is adjustable. A shallow tray can be secured to the structure by an adjustable arm. Alternatively the shelf or tray may be removably attached to a bracket fixed to the open ended cup or box-like structure, the shelf or tray being such that it can be attached to the bracketed one or more positions. Alternatively a peg, or preferably a roller may be provided to support a roll of the covering material.
Patent GB-1338750-A (GB)
Title: Therapeutic composition
IPC: A61K31/135
Filed: 1972-10-06
Abstract: 1338750 Pharmaceutical composition DELALANDE SA 6 Oct 1972 [8 Oct 1971] 46304/72 Heading A5B A pharmaceutical composition comprises ethchlorvynol:  and diphenhydramine:  or a salt thereof, e.g. the hydrochloride The composition may also include a liquid carrier and may be contained in a gelatin capsule.
Patent GB-1308355-A (GB)
Title: Heat engines
IPC: F02G1/043
Filed: 1970-09-30
Abstract: 1308355 Hot gas engines DAIMLER-BENZ AG 30 Sept 1970 [30 Sept 1969] 46449/70 Headings F1B and F1S] A Stirling cycle engine comprises a hot gas power producing portion 1 and a cold gas working portion 2 connected by a regenerator 3 in which fresh gas supplied to the cold gas portion through ports is preheated during its displacement into the hot gas portion for burning with injected fuel, heat being given up to the regenerator by the combustion products during their displacement from the hot gas portion to the cold gas portion for at least partial replacement with fresh gas in the latter. The fresh gas may be supplied by an exhaust driven supercharger.
Patent GB-1391313-A (GB)
Title: Catalysts for the preparation of phthlic anhydirde
IPC: C07C51/265
Filed: 1972-10-30
Abstract: 1391313 Phthalic anhydride NIPPON SHOKUBAI KAGAKU KOGYO CO Ltd 30 Oct 1972 46722/72 Heading C2C [Also in Division B1] Phthalic anhydride is prepared by the vapour phase oxidation of either ortho-xylene or naphthalene with a molecular oxygen-containing gas in the presence of a catalyst comprising an active composition containing TiO 2 , V 2 0 5 , Nb 2 O 5 , P 2 O 5  and K 2 0 and/or C5 2 0 in specified proportions supported on a silicon-carbide containing carrier, wherein the active composition and carrier have defined porosity or pore diameter characteristics respectively (see Division Bl). The oxidation conditions are: (i) for o-xylene feed 330-420‹ C., a xylene concentration of 15 to 40 l. air/ xylene and a space velocity of 2000-8000 hr.-<SP>1</SP>, and (ii) for naphthalene feed 380-440‹ C., a naphthalene concentration of 20 to 40 1. air/g. naphthalene and a space velocity of 2000-6000 hr.-<SP>1</SP>.
Patent GB-1025962-A (GB)
Title: Radio-therapy phantom
Inventor: ALDERSON SAMUEL WEIR
IPC: A61N5/10
Filed: 1962-12-13
Abstract: 1,025,962. Radiology apparatus. ALDERSON RESEARCH LABORATORIES Inc. Dec. 13, 1962, No. 47095/62. Heading H5R. [Also in Division G5] A phantom in the form of a human body comprises a human skeleton surrounded by plastic material having the same average atomic number and specific gravity as human soft tissues so that the phantom simulates the radiation absorption characteristics of a human body. The plastic used is preferably deaerated isocyanate rubber loaded with a quantity of "micro-balloons" made from phenolic resin to control the specific gravity and with a quantity of antimony trioxide to control the atomic number. A large quantity of phenolic "micro-balloons" in an epoxy resin may be moulded separately into the shape of a human lung and placed in the appropriate place in the phantom. The completed phantom is sliced transversely at approximately one inch intervals, and the exposed surfaces brought to a smooth finish. Instrumentation of the phantom may be accomplished by placing X-ray film between the sections or ionization chambers may be accommodated in holes drilled in the sections.
Patent GB-1179870-A (GB)
Title: Improvements in or relating to Optical Toys
Inventor: WILLIAMS CLAUDE DURBIN
IPC: A63H33/22
Filed: 1967-10-17
Abstract: 1,179,870. Optical toy. METTOY CO. Ltd. 17 Oct., 1968 [17 Oct., 1967], No. 47190/67. Heading A6S. An optical toy comprises a base 1 preferably having a steadying handle 2 which supports above its horizontal upper surface a vertically disposed mirror 3. The base also supports a rotatable patterned plate 7 beneath the lower edge of the mirror. As shown, three pins 4, 5 and 6 which extend from the mirror enter appropriately positioned holes in the base. The disc 7, which is also provided with a tab handle 8, is formed with a radial slot 9 extending from its circumference to its centre, thus permitting the disc to be slid beneath mirror 3 with a slot 9 engaging the mounting pin 6 which then provides a pivot about which the disc can be rotated. In a modification the mirror is supported from the base at its ends only and the upper surface of the base is formed with a circular recess in which the pattern disc seats rotatably.
Patent GB-1268576-A (GB)
Title: Biocidal preparation
Inventor: HOFMANN EBERHARD
IPC: C11D3/48
Filed: 1970-10-05
Abstract: 1,268,576. Biocides containing aminopyridines. TH. GOLDSCHMIDT A.G. 5 Oct., 1970 [10 Oct., 1969], No. 47281/70. Heading A5E. [Also in Division C5] A synergistic biocidal mixture finding application as a disinfectant, preservative, algaecide, fungicide and viricide comprises (a) a surface active amine and/or surface active amino acid and (b) a 2-alkylamino-6-aminopyridine of formula: wherein R<SP>5</SP> is C 8-18  alkyl or chloro- or bromosubstituted benzyl. Specified pyridine derivatives are those wherein R<SP>5</SP> is octyl, decyl, lauryl, myristyl, stearyl, p-chlorobenzyl and o-chlorobenzyl. The surface active component (a) may be of formula or wherein R<SP>1</SP> is C 8-18  alkyl wherein the chain may be interrupted by -O-, -NH- or -CNH-; R<SP>2</SP> is H, -CH 3  or -CH 2 CH 2 OH; O R<SP>3</SP> is H, -CH 3 , -CH 2 CH 2 OH, -(CH 2 CH 2  NR<SP>2</SP> 2 ), -(CH 2 CH 2 NR<SP>2</SP>) m R<SP>2</SP> or -(CH 2 CH 2 CH 2  NR<SP>2</SP>) m R<SP>2</SP>, wherein R<SP>2</SP> is as specified above and m is 1 or 2; and R<SP>4</SP> is -CH 2 COOH, CH 3 CH | COOH, CH 3 CHCH 2 COOH, -CH 2 CH 2 NHCH 2  COOH, -CH 2 CH 2 NHCH 2 CH 2 NHCH 2 COOH,- CH 2 CH 2 CH 2 NHCH 2 COOH, -CH 2 CH 2 NHCH 2  CH 2 NHCH(CH 3 )COOH or -CH 2 CH 2 CH 2  NHCH(CH 3 )CH 2 COOH. Mixtures of amines and amino acids may be used, e.g. those obtained by reaction of the amines in a mole ratio of >1:1 with chloroacetic acid, alphachloropropionic acid or crotonic acid. In examples, components (a) are: the reaction product of N-lauryldiethylene-triamine and N- lauryl propylenediamine with chloroacetic acid, the reaction product of N-lauryl propylene diamine and chloroacetic acid, N-lauryl- N',N' - dimethylpropylenediamine, N,N - bis - hydroxyethyl - laurylamine, N - coconutalkyl - propylenediamino acetic acid and N - coconutalkyl - propylenediamino - # - butyric acid. The mixtures may be used in solution in water, propyl alcohol, ethyl glycol, ethylene glycol, propylene glycol, dioxane or glycol dimethyl ether.
Patent GB-1015274-A (GB)
Title: Improvements in bonding elastomers
Inventor: COUSANS JOHN ANTHONY
IPC: C09J123/28
Filed: 1963-12-02
Abstract: A tie gum for adhering a rubber of high unsaturation to a rubber of low unsaturation comprises from 75 to 85 parts by weight per 100 parts of rubber of a halogenated lower unsaturation rubber and from 25 to 15 parts by weight per 100 parts of rubber of a mixture of two different higher unsaturation rubbers.  The halogenated lower unsaturation rubber is preferably chlorinated butyl rubber and the higher unsaturation rubbers are preferably SBR and natural rubber and are present in equal amounts by weight. Sulphur is preferably present in the wiring system which is otherwise conventional. Normal compounding ingredients are present.
Patent GB-1341977-A (GB)
Title: Cutting tool holders
IPC: B23B27/16
Filed: 1971-10-12
Abstract: 1341977 Cutting tools R CALVERT 12 Oct 1971 [15 Oct 1970] 47483/70 Headings B3T and B3K  In a cutting tool, the insert 5 fitted in the rebated end 2 of stock 1 is clamped in position by a pin 7 having a stop, e.g. a circlip 12 or cotter pin limiting axial movement of the pin in a transverse bore 13 in the stock, and a head 8 with a flat underside 9 the plane of which is inclined to the axis of the pin 7. Due to this inclination, rotation of head 8 by means of a tool co-operating with the shaped part 10, e.g. screwdriver slot, or Allen key socket, clamps or releases from clamping the insert 5' In an alternative embodiment, Fig. 2, a wearing washer 22 and spring may be provided between the head 8 and the stock 1 and the stop may be a screw 21. The wearing washer may be resilient. A supporting plate (19, Fig. 4, not shown) may be placed between the insert and the rebate and a chip breaker (16) between the inset and the pinhead.
Patent GB-1436199-A (GB)
Title: Step motor
IPC: H02K37/04
Filed: 1973-10-11
Abstract: 1436199 Electric motors BINDER MAGNETE GmbH 11 Oct 1973 [11 Oct 1972] 47580/73 Heading H2A A stepping motor comprises a rotor 6 interacting with a plurality of axially serially positioned stator assemblies 1, 2, 3, each of which comprises a coil, e.g. 1g, disposed between two toothed pole discs, 1a, 1b, interconnected by a yoke which is made of two substantially semicircular members 1c, 1d, coaxial with the rotor the yoke or the pole discs, or both, of each stator assembly being laminated. The rotor has teeth interacting with the teeth of all stator assemblies. Either the rotor teeth are axially aligned, in which case the teeth of the stator assemblies are mutually angularly staggered or, alternatively, the stator teeth are aligned, in which case the rotor has mutually staggered teeth interacting with respective stator assemblies. Non- magnetic spacers 4, 5, are mounted on the stator, as shown, or on the rotor, to magnetically isolate adjacent stator assemblies.
Patent GB-1273760-A (GB)
Title: Gang-lawn mowing machine
Inventor: STRASEL RAYMOND KENNETH
IPC: A01D75/30
Filed: 1969-09-29
Abstract: 1,273,760. Mowers. JACOBSEN MFG. CO. 29 Sept., 1969 [18 Oct., 1968], No. 47772/69. Heading A1F. The description is the same as that of Specification 1,273,757 but the claims refer to a lost motion coupling between the front and rear mowers to delay the raising and lowering of the rear mowers until it is on the line at which the front mowers were raised or lowered. The amount of lost motion is adjusted by screws 141, 142 against which the arm 133 abuts. The timing of the lost motion is adjusted by a rod 32 screw threaded at each end connecting the rear and front mower mechanisms.
Patent GB-1115476-A (GB)
Title: Access duct for a nuclear reactor
Inventor: MILNER MALCOLM JOHN
IPC: G21C13/036
Filed: 1964-11-25
Abstract: 1,115,476. Reactor pressure vessels. ENGLISH ELECTRIC CO. Ltd. 23 Nov., 1965 [25 Nov., 1964], No. 47898/64. Heading G6C. The access duct through a gas-cooled nuclear reactor concrete pressure vessel is provided with both solid heat insulation and water cooling to limit the concrete temperature rise due to reactor coolant gas in the duct. The duct has an inner sleeve which is secured to the outer sleeve so as to permit thermally induced axial dimension changes. The annular space between the inner and outer sleeves is filled with granular or fibrous heat-insulating material which is capable of accommodating the dimension changes. To prevent neutron streaming a section of the annular space is filled with steel shot. The water cooling is applied to the outer surfaces of the outer sleeve.
Patent GB-1553580-A (GB)
Title: Photopolymerisable acrylic or methacrylic acid ester-containing compositions
IPC: A61K6/083
Filed: 1976-11-17
Abstract: An improved process for the photopolymerization of compositions including photopolymerizable acrylic or methacrylic acid esters and an initiator (e.g., a benzoin compound) is disclosed. The addition of 0.1 to 20 weight percent (based on the amount of polymerizable material) of an organic phosphite substantially reduces the polymerization time of the resulting composition.