baber/WOPTO huggingface dataset:
Patent GB-823294-A (GB)
Title: Improvements relating to temperature responsive switches
Inventor: MACARA JOHN STUART
IPC: H01H37/46
Filed: 1957-02-15
Abstract: 823,294. Temperature-responsive actuating elements. FENWAL Inc. Feb. 13, 1958 [Feb. 15, 1957], No. 5153/57. Class 64(2) [Also in Group. XXXVII] A temperature-responsive electric switch (see Group XXXVII) is actuated by the mid-portion of a metal strip 12 secured at its ends to the metal base of the switch casing 10, the strip having a lower expansion than the base. As shown, the base of a stainless steel casing 10 is dished at 10a. Secured to the mid-portion of the strip 12 is an arrangement consisting of bowed stainless steel strips 13, 15 and a flat low expansion strip 14 coupled together at their ends. Rise of temperature causes the base 10a and the strips 13, 15 to expand more than the strips 12, 14 so that a downwardly-bowed contact strip 19 is moved into engagement with an adjustable fixed contact 20a. In similar switches the base is not dished and in one the contacts are normally closed, the bowed strips being of low expansion metal whilst the flat strip is of stainless steel' so that rise of temperature causes the contacts to open.
Patent GB-1281652-A (GB)
Title: Improvements in or relating to electric switch devices
IPC: F42C19/06
Filed: 1970-02-03
Abstract: 1281652 Inertia-actuated switches DYNAMIT NOBEL AG 3 Feb 1970 [4 Feb 1969] 5204/70 Heading H1N In a vibration sensitive switch at least one contact 4 or 10, Fig. 2, is formed of a plastically deformable material whereby the contact bounce energy is absorbed. In examples the contact may be of tin or an alloy containing tin with 1 to 3% of antimony or with silver or gold. Alternatively a contact may be of aluminium or an electrically conductive synthetic plastics material. Alternatively a thin layer of silver or gold may be applied to a deformable backing of lead or a synthetic plastics material. The device may be used in a detonator for a grenade or mine in which a battery 7 is first filled with a caustic potash solution and forced forward under pressure from a position, Fig. 1 (not shown), in which the movable contact 4 is positively located at 5 by a deformable ring 8 and released to the vibration sensitive position shown in whch the movable contact 4 is supported on the terminals 7 by a coil spring 5. The fixed contact 2 carries a plastically deformable projection 9 of tin engageable with the walls of a recess 10 in the movable contact 4.
Patent GB-968909-A (GB)
Title: Improvements in and relating to reinforcement for sealing element incorporating said reinforcement
IPC: F16L21/04
Filed: 1962-02-12
Abstract: 968,909. Pipe joints; stuffing-boxes. CENTRE DE RECHERCHES DE PONT-AMOUSSON. Feb. 12, 1962 [Feb. 23, 1961; Dec. 19, 1961], No. 5233/62. Headings F2B and F2G. A reinforcement A for a pipe joint sealing ring comprises a ring of metal wire formed with oblique coils S 1 , S 2 , S 3  &c. which are sloped on the mean circumference Y of the ring so that adjacent coils are offset from each other and partially spaced apart in two opposed regions c, d and partially in contact in two other opposed regions a, b. The reinforcement may be made from a conventional helical spring having contacting circular coils which are sloped by holding the spring between two dies and permanently deforming it by relative movement of the dies, preferably when the spring is hot. As shown in Fig. 8 a sealing ring G of elastic material e.g. natural or synthetic rubber, superpolyamide or polyvinyl chloride is reinforced at both its inner and one of its outer edges by reinforcements A<SP>1</SP>, A<SP>2</SP> and A<SP>3</SP> which are moulded in the ring with the parts of the coils in contact flush with the surface of the ring, the spaces between the remaining parts of the coils being filled during moulding with the ring material. The reinforcement may be supported by a spacer ring 6, Fig. 11, which is passed through the interior of the coil and comprises a steel strip bent to cylindrical or frustoconical shape and having apertures 7 therein. Fig. 14 shows a pipe joint sealed by a sealing ring G<SP>1</SP> having reinforcements A<SP>4</SP> and A<SP>5</SP> to prevent extrusion between the pipe T<SP>1</SP> and the socket T<SP>2</SP> and between the clamping ring 13 and the pipes, the reinforcement A<SP>4</SP> extending across the face of the sealing ring abutting the ring 13 and the reinforcement A<SP>5</SP> being supported by a spacer ring 6, Fig. 13. The metal wire of the reinforcement may be plastic coated. Specification 833,948 is referred to.
Patent GB-228721-A (GB)
Title: Improvements in guards for hand lamps and the like
IPC: F21V15/02
Filed: 1924-02-29
Abstract: 228,721. British Thomson-Houston Co., Ltd., Wheat, H. C.., and Wade, W. H. Feb. 29, 1924. Guards.-In a guard for an electric or like hand-lamp, L-shaped longitudinal members b and rings d, d<1> by which they are spaced apart intermediately, are provided with coacting notches, and the lower ends of the members b are provided with tongues n which fit into slots in a disc c for joining them together. The upper ends of members b are provided with notches g and corners h, as shown in Fig. 3, so that, when they are presented at an angle, they will pass through notches f cut across the angle of a flanged rim a removably secured to the lamp support, and, when turned vertically, are looked in the position shown in Fig. 1. The members b, the rings d, d<1>, and the rim a are all stamped from sheet metal.
Patent GB-974764-A (GB)
Title: Improvements in or relating to casting or molding apparatus
Inventor: SUNDAY RICHARD KEITH
IPC: B22D17/20
Filed: 1961-02-13
Abstract: 974,764. Casting-machines. PERFECT EQUIPMENT CORPORATION. Feb. 13, 1961, No. 5350/61. Heading B3F. A metal is injected into a mould comprising at least three parts, and the sprue is sheared by moving two of the mould members away from one another. The die assembly 6 comprises a front die 80 and two transversely movable rear die members 86, 87, the said dies being opened and closed by cams on operation of a hand lever 30. Molten metal from a pot 2 is injected by a pump 12 through a nozzle 16 and a gate formed between the two die members 86, 87. The metal passes into the mould cavity through an aperture 107 in a sprue cutter plate 105 carried by the mould part 86, so that the transverse movement thereof on opening of the dies will shear the sprue. A cutter plate 105 may also be carried by the die member 82 so that there are two apertures 107 opening into the die avity. Casting composite articles.-The dies are shaped to support a clip which is cast into a lead wheel weight.
Patent GB-460344-A (GB)
Title: Improvements in slides for use in optical projection apparatus
IPC: G03B21/64
Filed: 1936-02-22
Abstract: 460,344. Cone and spherical journal bearings. BRADY, F. C. Feb. 22, 1936, No. 5406. [Class 12 (i)] [Also in Groups XX and XV] A spinner 34 is rotatably mounted between two plates 38, Fig. 2, the bearings comprising trunnions 36 carried on a boss 35 and engaging bearings 37 on the plate members 38. Alternatively, as shown in Fig. 5, the bearing may comprise a bearing plate 54 having trunnions 55, one fitting into a bearing in one of the plates 38, and the other engaging on a real recess 56 in the adjacent face of the spinner 34. An axial projection 57 in the spinner is seated in a bearing 37 in the other plate and the whole is stabilized by a washer 58.
Patent GB-662462-A (GB)
Title: Improvements in and relating to magnetic sound recording and reproducing apparatus
Inventor: KOLB OTTO KURT
IPC: G11B5/48
Filed: 1949-03-01
Abstract: 662,462. Magnetic recording and reproducing apparatus. BRITISH ACOUSTIC FILMS. Ltd. March 1, 1949. No. 5507/49. Class 40 (ii), The drum 7 of a magnetic recording and reproducing apparatus having heads 6, 8 pressing on a film 1 is made of non-magnetic, preferably insulating, material (e.g. artificial resin) and has stationary screening shields 21, 22 of magnetically soft material extending into its interior. The strip,' consisting of a film 1 coated with magnetic material 2, is drawn by a power-driven sprocket 4 over drum 7 which is mounted on the same shaft as a flywheel 13 in order to maintain velocity stability. The recording head 6 and reproducing head 8 mounted within screening cans 14, 15 are pressed onto the strip by leaf springs 16, 17.
Patent GB-167205-A (GB)
Title: An improved massage appliance
IPC: A61H15/00
Filed: 1920-11-24
Abstract: 167,205. Makower, C. J. Nov. 24, 1920. Addition to 118,499. No Patent granted (Sealing fee not paid). Massage.-The massage roller appliance described in the parent Specification is formed according to the present invention of a substance known as " Ivorine," or of any celluloid compound capable of being moulded into the required shape. The sharp extremity of each pyramidal point b formed on the rollers may also be formed with slightly recessed or cupped edges, as shown.
Patent GB-824013-A (GB)
Title: Rotary tools for agricultural machines
IPC: A01D80/00
Filed: 1957-02-19
Abstract: 824,013. Tined agricultural implements. GOODALL, C., and GOODALL, M. Jan. 29, 1958 [Feb. 19, 1957; Aug. 9, 1957], Nos. 5555/57 and 25158/57. Classes 6(1) and 6(3). In a rotary agricultural implement having tines which work the ground or crop, each tine is formed from a length of resilient wire which at one end is helically coiled, the coil being of truncated conical form with adjacent coilconvolutions in contact when unstressed. A hay-tedder is illustrated, in which the main frame 10 is mounted on land-wheels 12 carried by brackets 14 pivoted to the frame and adjustable thereon by the relative rotation of screwed rods 17 and captive nuts 16. The machine has a rotor 19 driven from the towing tractor (not shown) through a shaft 26 and gearbox 25. The rotor comprises transverse anglemembers 20 carrying rows of tines 21. Each tine has a helical coil, at its base end, of conical form which is mounted in a conical collar 27 bolted to the member 20. Five forms of collar or similar mounting for the coil are described.
Patent GB-699597-A (GB)
Title: Improvements in or relating to apparatus for measuring magnetic fields
IPC: G01R33/028
Filed: 1952-03-03
Abstract: 699,597. Magnetic measurements. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. March 3, 1952 [March 7, 1951], No. 5559/52. Class 37. An instrument for measuring a magnetic field comprises a rotor constituted by a stack of insulated conductive plates, and thus having the equivalent of at least one short-circuited conducting turn, and a fixed coil in which an A.C. voltage is inducted by the currents generated in the short-circuited turn during its rotation. The rotor 4, Fig. 6, is spherical or nearly spherical and consists of aluminium plates parallel to the axis ZZ1 and separated by insulating material and is driven at constant speed by a motor 5. Surrounding the rotor is a fixed coil 6 tuned by a condenser C1 and connected through an amplifier A to a voltmeter or oscillograph V. A second fixed coil 7 is connected to a D.C. generator G of high internal resistance. The stator coils 6, 7 are rotatable about the axis ZZ1, which can be oriented in any direction. The generator G being cut off the axis ZZ1 is directed until a null reading is obtained on the voltmeter V, the axis ZZ1 then being in the direction of the magnetic field. The opposition coil 7 is then set with its plane perpendicular to the axis ZZ1 and a D.C. is passed through it in such a direction that the field generated in the rotor is opposed to the field to be measured. This current is adjusted to cancel the voltmeter reading and is then a measure of the field strength. In a modification the coils 6, 7 are replaced by a single coil. In the construction shown in Fig. 8 two rotors 4 are fixed on the same spindle, the plates of both rotors being in parallel planes. The rotors 4 are surrounded by two identical stator coils 3 connected in series opposition. Two reversely wound opposition coils 8 surround the coils 3 and are fed with a direct current i.
Patent GB-1104145-A (GB)
Title: Pyrazolo-pyridine derivatives
IPC: C23G1/06
Filed: 1967-02-06
Abstract: Resinous materials are formed by reacting formaldehyde with the thiocyanic acid salts of compounds of the general formula <FORM:1104145/C3/1> wherein R is C1-C4 alkyl, phenyl, phenyl substituted by one or more C1-C4 alkyl or alkoxy groups or halophenyl, R1 has the same meaning as R or is H and R11 is C1-C4 alkyl.ALSO:Novel compounds of the general formula <FORM:1104145/C2/1> wherein R is C1-C4 alkyl, phenyl, phenyl substituted by one or more C1-C4 alkyl or alkoxy groups or halophenyl, R1 has the same meaning as R or is hydrogen, R11 is C1-C4 alkyl and aci addition salts thereof are prepared by reacting an aminopyrazole of the general formula <FORM:1104145/C2/2> with a diketone of the formula RC(O)-CH(R1)-CR(O) in the presence of an acid catalyst.  The 5-aminopyrazoles of the second general formula above are prepared by reacting 3-iminobutyronitrile with an alkyl hydrazine. Pharmaceutical compositions comprise as active ingredient a compound of the first general formula above and a pharmaceutically acceptable carrier.  The compounds are stated to have anti-inflammatory and oral anti-diabetic activity.
Patent GB-731739-A (GB)
Title: Burners for use with rocket motors
Inventor: LOWE REGINALD DENNIS
IPC: F02K9/52
Filed: 1953-03-02
Abstract: 731,739. Rocket motors. ARMSTRONG WHITWORTH AIRCRAFT Ltd. Sir W. G. Dec. 18, 1953 [March 2, 1953], No. 5715/53. Class 110 (3). [Also in Group XII] In a rocket motor which operates with a fuel and an oxidizer as the propellant ingredients, the ingredients are supplied through a spray device comprising two spaced coaxial metal plates 11, 12 secured together at a number of points, at least one of the plates 11 being secured directly or indirectly near its outer edge 'to the combustion chamber 16 of the rocket motor to form the end wall thereof. One of the propellant ingredients, say the fuel, is supplied to the chamber from a space 20 outside the other plate 12 through holes 21 formed at the points where the two plates are secured together. The other ingredient, the oxidizer, is supplied from the space 25 between the plates through holes 28 in the first plate 11. In Fig. 1 a dished annular plate 18 is secured to the plate 12, fuel being supplied to the space therebetween before passing through the holes 21. The oxidizer is supplied to the space 25 from a channel 27 and the holes 28 from which it discharges are inclined so that the jets of oxidizer will intersect the jets of fuel from the holes 21. A number of ways in which plates 11, 12 may be secured together are described. The plates may be formed with depressions 35, 36 as shown in Fig. 1, the abutting surfaces of the depressions being connected by welding or the like or by means of rivets which are drilled to provide holes 21. One of the plates may be formed with depressions by pressing and the 'other machined to form depressions, or the two plates may both be flat and connected by means of ferrules 48, Fig. 7, which are formed with holes 21 and 28 and with a recess 35.
Patent GB-648917-A (GB)
Title: Improvements in or relating to apparatus for making boxes
IPC: B31B3/64
Filed: 1948-02-26
Abstract: <PICT:0648917/III/1> An apparatus for coating flaps of box blanks with glue, used in conjunction with a machine for securing the coated box flaps by pressure (see Group XVII), comprises wet and dry coating rolls 43, 42 driven from a motor 51.  The roll 43 revolves in a trough 40a supplied with glue from a pot 40, by a screw feed 110. The pot 40 has an electrically heated water jacket 106 and has a removable top 81 on which is mounted the roll 42 and associated gearing. The roll 42 may be swung clear of the roll 43.  A fan 120 supplies air to the roll 42 to prevent condensation of moisture from the glue.  The angle between the rolls may be adjusted.  The apparatus is adjustably pivoted to the pressing machine.
Patent GB-853960-A (GB)
Title: Improvements in or relating to phase control circuits
Inventor: WHITE ERIC LAWRENCE CASLING
IPC: H03L7/107
Filed: 1956-02-24
Abstract: 853,960. Automatic phase control systems. ELECTRIC & MUSICAL INDUSTRIES Ltd. Feb. 21, 1957 [Feb. 24, 1956], No. 5747/56. Class 40(5). In an automatic phase control circuit, e.g. for a colour television receiver, comprising an oscillator, a discriminator for comparing the phase of the oscillations generated by the oscillator with the phase of control oscillations so as to generate a control voltage dependent on the phase difference between the generated oscillations and the control oscillations, the control voltage being fed via a smoothing filter to the oscillator so as to maintain the generated oscillations in a predetermined phase relationship with the control oscillations, the filter comprises a series resistance and shunt capacitance and is provided with at least one additional element having a non-linear response to the control voltage so that when the control voltage is of small amplitude the bandwidth of filter is small, and when the control voltage is of larger amplitude the bandwidth of the filter is increased to allow a more rapid control of the generated oscillations. In one embodiment, Fig. 3 (not shown) the series resistor of the filter is shunted by a non-linear resistor, and in a further embodiment Fig. 4 (not shown) the series resistor is shunted by two diodes, which are connected in parallel but in opposite directions. In a further arrangement, Fig. 5, the filter consists of the series resistor 7, and the shunt capacitor 8 which is in series with a resistor 9. A pair of diodes 13, 14, are connected in series with the resistor 9 and biased to be normally conducting, the arrangement being such that when the voltage across the resistor 7 exceeds a predetermined positive or negative valve one or other of the diodes is rendered non-conductive so that the shunt circuit of the filter is disconnected from earth whereby the bandwidth of the filter is increased. Reference has been directed by the Comptroller to Specification. 636,575.
Patent GB-400064-A (GB)
Title: Improvements relating to electric fluid temperature maintainers for use with dental syringes
IPC: A61C1/00
Filed: 1933-02-24
Abstract: 400,064. Dental syringes and air douches. CARPENTER, W. I., 201, Medical Arts Building, Norfolk, Virginia, U.S.A. Feb. 24, 1933, No. 5754. [Class 81 (ii).] A flexible conduit 6, 7 for coupling a container of warm fluid to a dental syringe contains a flexible electric heating element secured at one end to the conduit, the other end being free. The element comprises an insulated conductor 15 on which is wound a heating coil 18, the conductor and coil being interconnected at the end 16. The other ends of the conductor and coil are connected to couplings between the tube 7 and the tube 6 and container outlet 4 respectively. These couplings involve hollow plugs carrying terminals 9. The heating element may be arranged in series with the heating element of the fluid container or may be independent and thermostatically controlled. The free end of the element may enter the end of the syringe handle. The conduits may be of rubber hose.
Patent GB-225752-A (GB)
Title: Improved feeding device for birds or poultry
IPC: A01K39/012
Filed: 1924-03-07
Abstract: 225,752. Appleton, J. March 7, 1924. Feeding-appliances for animals.-A feeding-device for poultry &c. comprises a hopper with sides 3 converging downwardly into a recessed base 1 forming a trough. The hopper so overhangs the trough that the birds cannot stand in the food. The trough is formed by inclined side members 4 fixed to the base 1. The lower edge of the side rollers 3 may be formed with notches, and there may be a removable lid 6 with downward projections 8, 8<1> taking within the vertical parts of the hopper walls.
Patent GB-795732-A (GB)
Title: Artificial leg
IPC: A61F2/60
Filed: 1955-02-28
Abstract: 795,732. Artificial legs. VALENTI, M. C. Feb. 28, 1955, No. 5846/55. Class 81 (2). An artificial leg comprises a hollow foot having a framework to be fixed to the wearer's leg and an internal mechanism comprising upper and lower parts articulated to one another about a shaft, there-being disposed between the two parts of the mechanism a resilient connecting member which tends to return the artificial foot to its initial position after oscillation during walking, and which is pivoted to a braking member in the lower member of the foot mechanism, the pivot being movable within limits relative to the foot in dependence upon the inclination of the ground. The hollow foot contains a lower part 3 of the internal mechanism which is secured to a lower part 1 of the hollow foot, and an upper part 5 of the internal mechanism secured to an upper part 2 of the hollow foot, the two parts 3, 5 of the internal mechanism being articulated to one another about a shaft 6. The upper parts of the foot and the mechanism are attached to vertical members 32 which are secured to the leg stump below the knee by a tubular member 33 and are articulated at the knee joint to vertical members 35 which are secured to the thigh by an apertured brace 36 and straps 17, 18. Both parts 3, 5 of the internal mechanism are connected by a resilient member comprising a cylinder 10 connected to the upper part 5 and within which a spring-loaded rod moves during walking. The rod is articulated on a shaft 15 carried by a clamp 28 surrounding a tubular piece 20 in the lower part 3. A second clamp 25 fixed to the lower part 1 of the foot also surrounds the tubular piece 20. Rotation of the tubular piece 20 is resisted by a helical spring 19 one end of which is fixed to the tubular piece 20 and the other end of which is attached to the lower part 3 of the internal mechanism. An alternative construction for use with a dropped foot has a platform secured to the upper part of the internal mechanism for receiving the sole of the foot. Specification 628,958 is referred to.
Patent GB-127343-A (GB)
Title: Improvements in the Production of Concentrated Nitric Acid from Ammonia.
Inventor: MAXTED EDWARD BRADFORD
IPC: C01B21/26
Filed: 1917-04-26
Abstract: 127,343. Maxted, E. B. April 26, 1917. Nitric acid; nitrogen oxides.-The gaseous product of the oxidation of ammonia is treated by fractional condensation, the first being at temperatures of 50-100‹ C., for instance 60‹ C., and the subsequent condensations at temperatures below 0‹, for instance 10‹ C. The condensates are separately concentrated by evaporation as far as possible, the constant boiling-point acid obtained by evaporation being strengthened by liquid nitrogen oxides in the known manner.
Patent GB-1055587-A (GB)
Title: Improvements relating to liquid feed arrangements
Inventor: BYRD GEORGE MAXWELL
IPC: B05B1/30
Filed: 1964-02-12
Abstract: 1,055,587. Valves; pipe connections. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Nov. 30, 1964 [Feb. 12, 1964], No. 5883/64. Headings F2G and F2V. A tap adapter 4 of plastic material has an inlet 5 for connection to a tap and provided with a rubber sealing ring 6 retained by annular member 7 and a cap 8. The ring 6 opens into a chamber 9 from which leads a permanently open port 3, and a nozzle 14, flow through which is controlled by a movable valve closure comprising a part 12 threaded on to the adapter 4. The part 4 has a domed rubber seal 13 cooperating with the nozzle 14, and a pair of orifices 15 leading to an outlet. The adapter may be held on the tap by a chain 16 and a projection 7 whilst a band clip may be associated with the inlet 5. A further adapter means may be disposed between the tap and the adapter described.