baber/WOPTO huggingface dataset:
Patent GB-1109525-A (GB)
Title: Cyano-acylated cephalosporin derivatives and process for their manufacture
IPC: C07D501/36
Filed: 1966-01-17
Abstract: The invention relates to derivatives of 7-amino -cephalosporanic acid, having the formula <FORM:1109525/C2/1> wherein R1 and R2 are the same or different, and are each hydrogen, or a monovalent optionally substituted hydrocarbon or heterocyclic radical, or together form a divalent optionally substituted hydrocarbon or heterocyclic radical; R3 is hydroxyl, esterified hydroxyl (which may have oxygen replaced by sulphur), carbamoyloxy (which may be N-substituted and may have oxygen replaced by sulphur), guanyl mercapto, a -iminoalkyl-mercapto, aralkylmercapto, amino (secondary, tertiary, or quaternary), etherified mercapto, or an azide or thiosulphate group; and R4 is hydroxyl; or R3 and R4 together are lactone oxygen; and the salts and inner salts of these compounds. The compounds are prepared by acylating an appropriate 7-amino-cephalosporanic acid, or its salt, on the 7-amino group, by treatment with an acylating agent, e.g. a cyano-carboxylic acid halide, or mixed anhydride, or with the free acid in the presence of a condensing agent (e.g. a carbodiimide), in a non-aqueous organic solvent.  When the cyano-carboxylic acid is such that R1 and R2 are each hydrogen, and when R3 is an esterified OH group, the product may be further reacted to replace hydrogen by other groups within the scope of the invention, as follows: (1) reaction with an aldehyde, a ketone, or a nitrile, suitably in the presence of a catalyst (e.g. primary salts of ammonia or amines) to give compound wherein R1 and R2 together are an optionally substituted alkylidene or cycloalkylidene group, (2) hydrolysis of the product of (1) in aqueous medium, suitably by enzymatic hydrolysis (e.g. using a cell lyophilisate of B. subtilis) to convert the ester group R3 to a free hydroxyl group, (3) esterification of this product to give a different ester group at R3, such as by esterification with a sulphur-containing carboxylic acid, (4) replacement of the ester group of (3) by such groups as carbamoyloxy, or mercapto ether groups, as specified above, or treatment of the ester to convert it to the lactone grouping with R4.  A different hydrolysis to (2) above may be effected in aqueous medium at alkaline pH and elevated temperature, whereby the alkylidene group formed by R1 and R2 is split off to give an unsubstituted cyanacetyl radical.  Organic or inorganic addition salts or inner salts may be formed at any stage of these processes to give salt forms of the various inventive compounds.  Pharmaceutical compositions having antibiotic activity comprise the inventive compounds together with solid or liquid excipients, suitable for oral, parenteral, or topical application. They may also contain preserving, stabilizing, wetting or emulsifying agents, solution promoters, salts, and buffering agents.
Patent GB-1342224-A (GB)
Title: Hydraulic antiskid braking system
IPC: B60T8/1761
Filed: 1972-01-17
Abstract: 1342224 Antiskid braking systems SOC ANON BDA 17 Jan 1972 [4 Feb 1971] 2167/72 Heading F2F In a vehicle dual circuit hydraulic antiskid braking system, a selector 130 is connected to respective wheel speed sensors 128 on the wheels of the front and rear axles and acts to select the particular signal therefrom indicative of the lowest angular velocity. The signal is then supplied to an antiskid device 116 situated in the braking circuit controlling one set of wheels 120 the device acting to control the pressure in this circuit to prevent skidding of wheels 120 and the pressure in the circuit for the other wheel set 126 is then controlled by a regulator unit 117 situated in the circuit therefore and responsive to operation of the antiskid device. A load responsive device 122 may be located in the circuit of wheel set 126. A by-pass 119 is provided which causes fluid from a dual master cylinder 110 to by-pass regulator 117 if the pressure in wheel set 128 fluid circuit falls, when for example there is a fluid leak.
Patent GB-245944-A (GB)
Title: Improvements in or relating to means for discharging torpedoes
IPC: F41F3/08
Filed: 1925-01-24
Abstract: 245,944. Hall, S. S., and Kent, S. Jan. 24, 1925. Launching torpedoes.-A travelling disc or bulkhead d is placed behind the torpedo c in the tube a, and is provided with a pipe f extending into the hollow shaft g of the torpedo. The ejecting medium is admitted behind the disc d by the usual inlet b, and the exhaust gases from the torpedo engine pass through the pipe f and a non-return valve h to the same space behind the piston, so that no gases escape to reveal the discharge of the torpedo. A pad k may be provided on the disc to prevent any water leaking through the tube f from passing into the gas outlet j. A leather washer l is fitted on the inner side of the disc d and two split rings m on the outer side. These rings abut against a shoulder n in the torpedo tube and stop the disc at the end of its forward stroke. A rubber washer o may be fitted against the shoulder n. The Provisional Specification also mentions the use of explosives for discharging the torpedo, spring plungers on the travelling disc to stop it at the end of its forward movement, and a pneumatically operated trigger for starting the torpedo engine.
Patent GB-764239-A (GB)
Title: Improvements relating to the removal of hydrogen cyanide from gaseous mixtures
IPC: C01C3/12
Filed: 1955-01-25
Abstract: Hydrogen cyanide is removed from an anhydrous gaseous mixture of ammonia, carbon dioxide and not more than 0.3 per cent hydrogen cyanide by absorbing the hydrogen cyanide with a mixture of ferric oxide and an alkali or alkaline earth metal carbonate, preferably in pelleted or powdered form, at a temperature of 200-300 DEG C. preferably 225-255 DEG C.  Preferably the composition of the mixture may comprise of a ratio of ferric oxide to carbonate of 10-90 per cent to 90-10 per cent but the preferred ratio is 60-70 per cent oxide to 40-30 per cent carbonate.
Patent GB-113280-A (GB)
Title: Improvements in Racket-presses.
Inventor: NESS CHARLES MACKEY
IPC: A63B60/44
Filed: 1918-02-07
Abstract: 113,280. Ness, C. M., and Thompson, C. T. April 27, 1916, [Convention date]. Racket presses.-Relates to a racket press of the kind in which the clamping-members are connected centrally by a pin, one end of which is detachable from one of the clamping-members, which are drawn together by means of an eccentric or cam lever. The pin 7 passes through apertures in the central plates 6 of the clamping- members 1, 2, and is releasably secured at one end by a pin 15 which passes through an aperture in the turned-up side 5 of the plate 6 of the member 2, and through a slot 16 in the pin 7. At the other end, the pin is screwed and carries an adjustable sleeve 8. A hand-lever 11 mounted on pivots 12 passing through the sides 5 of the plate 6 of the member 1 has circular bosses 9 on the inner sides of its bifurcated ends 10 to engage between the flanges at the ends of the sleeve 8. The pivots 12 are eccentric to the bosses 9, so that when the lever 11 is turned the pin 7 is drawn towards or from the clamping- member 1.
Patent GB-699031-A (GB)
Title: Improvements in or relating to machine for compacting materials
Inventor: JACKSON CORWILL
IPC: E02D3/068
Filed: 1951-01-30
Abstract: 699,031. Tamping-machines. JACKSON VIBRATORS, Inc. Jan. 30. 1951, No. 2301/51. Class 107 [Also in Group II] A machine for compacting material such as gravel, sand or soil for fills for pavement foundations, landing fields, bridging abutments and the like, comprises a vibratory member directly supported by and adapted to be translated across the material, having a loading weight for the vibratory member and means for vibrating the vibratory member, the mounting for the weight on the vibratory member being such as to permit substantially free vibration of the vibratory member without setting up corresponding vibrations in the weight. In Fig. 2, a shoe 3 which rests upon the material to be compacted, is rigidly connected by means of bars 7 and side plates 8 with a vibrator unit 9 having an unbalanced rotor 10. Between the bars 7 cross members 23 resiliently support a loading weight 15 by means of resilient pads or mounting blocks 19. The cross members 23 are formed with holes 24, Fig. 3, which receive the pads 19 which may be of rubber and are bolted to reduced end portions 16 of the weight 15 and carry radially projecting flange-like members 22 which rest upon the cross bars 23. The positioning of the unbalanced rotor results in the machine propelling itself forwardly, and in normal use a cable 13 is used mainly to guide the machine. The shoe 3 may be provided with downwardly facing channels, Fig. 1, not shown, or may have a smooth working surface, Fig. 4, not shown. In another modification the vibratory member comprises parallel tubular elements 27, 28, Fig. 6, a vibrator unit 31 being supported centrally of their length by a pair of cross members 30, and loading weights 34 being resiliently supported at their ends by cross members 35. The front tubular element. 27 carries a longitudinal blade 29 adapted to penetrate the material under treatment, the element 27 being adjustable to position the blade at any desired angle.
Patent GB-582045-A (GB)
Title: Method and apparatus for the purification of gas
IPC: B01D53/04
Filed: 1944-02-09
Abstract: <PICT:0582045/III/1> Apparatus for the purification of hydrocarbons comprises two adsorber units 2, 3 which are alternately brought into use by switch-over valves 8, 9.  A small part of the gas stream is diverted through a heater 14 and then passed through the idle adsorber 3 to regenerate it, this gas being subsequently cooled in heat-exchanger 18 and returned at 12 to the main stream before it enters the active adsorber 2.  Periodically the regenerating gas is cut off by closing valve 13 and replaced by air supplied by fan 21, which after passage through heater 14 traverses adsorber 3 to burn off oxidisable matter from the adsorbent.  The combustion products are led away through valve 25 and may be recirculated. In a modification the heater 14 is heated by the combustion of a small part of the gas.
Patent GB-433124-A (GB)
Title: Improvements in or relating to furniture cabinets and like cupboard structures
IPC: A47B77/10
Filed: 1935-01-24
Abstract: 433,124. Kitchen cabinets. NUNN, G. L., Balmoral Works, Balmoral Road, Watford, Hertfordshire. Jan. 24, 1935, No. 2413/34. [Class 52 (i)] A kitchen cabinet or like structure has an upper cupboard e adjustably supported on a base structure c which is preferably a cupboard which may be withdrawable and combined with a table top or associated with a withdrawable table d. One or more side sections g may be employed which are of sectional construction the mid section j being replaceable so that the height of the side sections can be made equal to the adjusted height of the main structure.
Patent GB-235106-A (GB)
Title: An improved gear for driving valve-grinding machines or the like in opposite directions alternately
IPC: B24B15/00
Filed: 1925-01-27
Abstract: 235,106. Marks, E. C. R., (Elektro- Werkzeugbau Akt.-Ges.). Jan. 27, 1925. Toothed gearing drives a shaft k alternately in opposite directions, but further in one than in the other, so that there is a feed. A pinion i on the shaft k is engaged alternately by mutilated toothed wheels h, h<1> which are connected by equal gears f, d and driven as from an electric motor through a shaft c. The invention is applicable to valve-grinding machines.
Patent GB-1565763-A (GB)
Title: Electric cables
IPC: H01B13/24
Filed: 1978-01-20
Abstract: In the method for producing an electric cable having stress relief, high-tensile stress-relieving members (28, 23) inside the injection head (10) of an extrusion machine are inserted into the still viscous cable sheath (14) in such a way that each stress-relieving member (23) is entirely surrounded by sheath material and is provided with a corrugation after leaving the extruder. The method permits the corrugation of the stress-relieving members (23) to be produced independently of the type of sheath material. The corrugation of the stress-relieving members (23) is brought about by selecting the speed of the sheath material in the injection head (10) of the extruder and the speed of the stress-relieving members embedded in said material to be higher than the speed of the cable core (13). As a result, after leaving the extruder the cable sheath (14) experiences strand widening which causes the corrugation of the stress-relieving members (23). <IMAGE>
Patent GB-1218721-A (GB)
Title: Improved method for adjusting a crystal oscillator
IPC: H03B5/34
Filed: 1969-01-15
Abstract: 1,218,721. Adjusting piezoelectric resonators. THOMSON-CSF. 15 Jan., 1969 [16 Jan., 1968], No. 2491/69. Heading H1E. [Also in Division C7] To effect frequency adjustment of a piezoelectric resonator 1, electrode material is transferred between the resonator and a hermetic casing 7, the direction of transfer depending upon the direction of a D.C. discharge potential applied between the casing and the resonator. In order to increase the path length of electrons in the discharge, a magnetic field 11 is applied perpendicular to the electrodes. The casing 7 is made from a conductive, non-magnetic material, e.g. oxygen-free copper, and carries a coating 9 of electrode material, e.g. gold, on an inside surface opposite the electrodes. The interior of the casing is filled with air or an inert gas at a pressure of 10<SP>-1</SP> mm. Hg. A potential of about 1kV. suffices for the discharge.
Patent GB-1495263-A (GB)
Title: Pressure-sensitive adhesive tape substrate
IPC: C09J7/02
Filed: 1974-01-18
Abstract: 1495263 Polyolefin films ADHESIVE TAPES Ltd 7 Jan 1975 [18 Jan 1974] 02527/74 Heading C3P Pressure-sensitive adhesive tape substrates comprise films of compositions comprising (1) a propylene/ethylene copolymer having propylene and ethylene units in a weight ratio of 80 : 20 to 95 : 5 and (2) not more than 30% by weight of (1) of a thermoplastic elastomer, having a thickness of 25-120 microns and being tensilized by monoaxial stretching to a tensile strength of at least 10 kg/25 mm. width. The films may be coated with pressure-sensitive adhesive and sl.t into tapes. Examples describe substrate films comprising ethylene/propylene copolymer and (1 and 2) styrene/butadiene block copolymer and (3) polypropylene and polyisobutylene.
Patent GB-227290-A (GB)
Title: Improvements in artificial legs
IPC: A61F2/66
Filed: 1924-01-31
Abstract: 227,290. Tresidder, W. H. Jan. 31, 1924. Limbs, artificial.-An artificial foot is provided with a mortise and tenon ankle joint wherein the mortise is constituted by a rigid block F fitted accurately in the lower part of the metal shin-piece B, the, rubbing surfaces between the mortise and tenon C being provided with fibre or other anti-friction facings C<1>. The lower end B' of the shin member is turned over to secure the block F as shown in Fig. 2. The tenon C passes through the foot to the sole where it is secured by glue and dowels D. The upper part of the tenon is of circular shape and a hole E is provided bushed with leather &c. E<1> to receive a hollow bolt G the head G<1> of which is countersunk in the mortise cheek F<1> and secured. by a set screw H. The other end of the bolt G receives a screw J. Metal reinforcing members K may be secured to the sides of the block F or to the inner surface of the shin-piece B as shown in Fig. 6, and rubber cushions M, N may be provided for the lower end of the shin-piece as shown in Fig. 1.
Patent GB-104200-A (GB)
Title: Heel Machine.
IPC: A43D33/00
Filed: 1916-02-21
Abstract: 104,200. Marks, E. C. R., (Franklin, I. S., and Franklin, A. I.). Feb. 21, 1916. Coating and damping machines.- In a machine of the type described in Specification 6650/84. [Class 17, Boots &c.], for building heels for boots and shoes a number of lifts are cut, pasted, and assembled in a mould or die and the built up heel is subsequently pegged and compressed. After each lift is forced into the die a drop of paste is applied to it from an arm h, Fig. 11, which is oscillated between the positions shown in full and dotted lines in timed relationship with the movements of the cutting mechanism. The arm h, which receives paste from a reservoir at the top of the machine, is fitted with a valve comprising a spring-pressed sleeve having an aperture adapted to register with an aperture in the arm, and as the arm reaches the position shown in full lines a rod h<10> contacts with a movable plate h<30> to open the valve. The machine is fitted with an indicator to show when sufficient lifts have been assembled to form a heel of the required height, and the plate h<30> is coupled-up to the indicator connexions so that it is moved out of the path of the rod h<10> when this required height is reached; this prevents paste from being deposited on the top lift of the heel.
Patent GB-869971-A (GB)
Title: Cooling system of large capacity machine tools
Inventor: DEFLANDRE RENE
IPC: B23Q11/14
Filed: 1960-01-25
Abstract: 869,971. Machine tool details; boring, forming and milling machines. DEREFA, ESTABLISSEMENTS POUR LE DEVELOPPEMENT, RECHERCHES ET FABRICATIONS INDUSTRIELLES. Jan. 25, 1960 [Jan. 31, 1959], No. 2615/60. Class 83 (3). [Also in Group XXXIV] A machine tool comprises a component 5 rotatable in a head 1 at high speed, and means for circulating a cooling liquid or air in a chamber 11 surrounding at least a part of the rotatable component. The spindle 5 is rotated by a motor 7 and, in use, large quantities of heat are generated at its front bearing 6. A pump 17 delivers cooling air through a pipe 18 to a flexible conduit 19 leading to a duct 12. After passing around fins 14 on the bearing 6, the air is expelled through an insulated duct 16. A temperature probe 24 having a visual indicator 31 controls a valve 28 through a thermostat 26 to maintain an even temperature. A pressure take-off 32 modifies the operation of the thermostat. The feed motor 35 and gearboxes may also. be cooled. In a modification, a jig 36, Fig. 8, is secured to the front of the slide 1 for use in boring or grinding and plugs are removed from openings 38 to allow the cooling air also to circulate through the jig.
Patent GB-881915-A (GB)
Title: Improvements in or relating to agricultural planting machines
IPC: A01C11/02
Filed: 1960-01-25
Abstract: 881,915. Planting machines. SHIRE, J. L. Jan. 25, 1960, No. 2621/60. Class 6(1). A planting machine comprises a frame secured at its rear end to the transverse axle of ground contacting and compacting wheels 5 and pivotally connected at its front end to the base frame 8 of a container 7, the base frame being attached to the lift linkage 17, 19 of a tractor and having two or more centre blades 11 in line with the wheels. Audible signalling means are provided comprising a timing wheel 31 having projections 43 which engage a spring actuated striker arm arranged to strike a gong 37. Seats 28 and a foot rest 29 are provided for operators who remove seedlings from the container 7. Track markers 44 are provided at the side of the frame 1. For planting potatoes ridging ploughs replace the wheels 5 and an adjustable depth control wheel 55 is utilized to control the working depth of the ploughs. Reference has been directed by the Comptroller to Specification 729,800.
Patent GB-289548-A (GB)
Title: Improvements in and connected with burners
IPC: F23D99/00
Filed: 1927-01-29
Abstract: 289,548. Buchanan, W. Y. Jan. 29, 1927. Magnesium and like powder burners; gas supply.-In a Bunsen burner e for use with polarimeters and other optical instruments, the gas is supplied to the nipple i through a bowl-shaped chamber h containing a finety-powdered chemical salt, which gives a characteristic flame colour, the chamber imparting an eddying motion to the gas so that the powder is picked up and carried in suspension to the flame. The powder is supplied from a reservoir b provided with a cock c and the gas through a nozzle g controlled by a valve f. The base of the chamber h is detachable for cleaning and inspection purposes. An opaque chimney l, provided with an aperture n for the emission of light and with baffles m to catch dust, is secured to a sleeve o supported by a collar k on the burner tube. The Provisional Specification describes also a construction in which a metal bowl is provided in the chamber h and a flat baffle surmounts the baffles m.
Patent GB-425789-A (GB)
Title: Improvements relating to the production of stranded conductors for the transmission of high frequency currents
IPC: H01P11/00
Filed: 1934-01-25
Abstract: 425,789. Conductors. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Jan. 25, 1934, No. 2633. Convention date, Jan. 28, 1933. [Class 36] A high-frequency conductor of the litzendraht type, particularly for use in continuously loaded cables and for the windings of loading coils and repeater coils, is formed by stranding or plaiting together bare wires and then reducing the cross section of the composite strand, by rolling or drawing, to improve its filling factor, the wires being insulated from one another either during or subsequently to the operation of reducing the cross section. The insulation of the wires may be effected by heating the conductor in an oxidizing atmosphere, or by impregnating the conductor with an insulating substance which is naturally liquid or which can be rendered liquid by heat or solvents ; or an insulating material, such as boron or silicon hydride which can be introduced in gaseous form between the wires, may be employed. To facilitate the insulating process, the spaces between the wires may be temporarily enlarged by applying a backward twist or axial compression to the conductor. In a continuously loaded conductor the insulating material, which is introduced between the wires after the annealing of the loading tape, may also serve as a pressure equalizing material.
Patent GB-865042-A (GB)
Title: Removal of radio-active strontium and cesium from milk
IPC: A23C9/146
Filed: 1960-01-25
Abstract: Radioactive strontium and caesium are removed from milk without altering its natural flavour and composition by contacting the milk with an ion-exchange resin substantially saturated with calcium, potassium and sodium ions.  According to an example, 100 parts of contaminated milk was agitated for 2 1/2 minutes with 1 part by weight of an ion-exchange resin containing calcium, potassium and sodium in the relative proportions of 1 : 1.33 : 0.42 prepared by treating it with an aqueous solution of salts, preferably the chlorides, of calcium, potassium and sodium present in suitable proportions.  58% of the radioactive strontium and caesium present in the milk were removed at the first treatment and over 92% after a second treatment.
Patent GB-1061701-A (GB)
Title: Process for extruding magnesium base alloys
Inventor: FOERSTER GEORGE STEPHEN
IPC: B21C25/02
Filed: 1965-01-21
Abstract: 1,061,701. Extruding; working at specified temperatures. DOW CHEMICAL CO. Jan. 21, 1965, No. 2665/65. Headings B3P and B3V. In the extrusion of magnesium base alloys, a die is used having its aperture 12, Fig. 3 (not shown) opening into a relief cavity 14 surrounded by a channel 16 through which coolant is circulated and from which 5 to 25% by volume of the coolant is sprayed on to the extruded product passing through the cavity. The die is in two parts 6, 8, Figs. 2, 3 (not shown) bolted together. Coolant is circulated through holes 18, 20 to the channel 16 which communicates with spray ports 22 leading into the relief cavity 14. A valve may be fitted in the coolant pipes. The starting workpiece may be a preheated billet or a batch of pellets, and is extruded within a temperature range of 260 - 480‹ C. The product is preferably quenched in the cavity to 150-370‹ C. and may be subsequently further quenched to room temperature. An example is given for the extrusion of a particular alloy using water coolant.