baber/WOPTO huggingface dataset:
Patent GB-1419158-A (GB)
Title: Unsaturated polyester resin compositions
IPC: H01C1/02
Filed: 1973-11-19
Abstract: 1419158 Hydrogenated polydiene glycol ester copolymers HITACHI Ltd 19 Nov 1973 [29 Nov 1972] 53523/73 Heading C3P Unsaturated polyester resin compositions comprise (1) a polycondensate of a hydrogenated polydiene glycol having an average of at least 1À4 terminal ester-forming functions and at least one acrylic compound of formula CH 2  = CRCOR<SP>1</SP> where R is H or C 1-10  alkyl and R<SP>1</SP> is hydroxyl, C 1-10  alkoxy or halogen, and (2) a copolymerizable olefinically unsaturated monomer. The glycol may be prepared by polymerizing a conjugated diene in the presence of sodium or lithium, reacting the living polymer obtained with an epoxide and hydrogenating the product in the presence of Raney nickel. The acrylic compound may be acrylic or methacrylic acid, chloride or methyl or ethyl ester, which may optionally be used in admixture with dibasic acids or the chlorides, anhydrides or esters thereof. The comonomer may be styrene, tbutyl styrene, vinyl toluene, divinyl toluene, divinyl benzene, vinyl acetate and methyl and ethyl acrylate and methacrylate. The compositions may contain fillers, e.g. silica, alumina, calcium carbonate, quartz, mica and carbon black; and mould release agents, e.g. zinc stearate; and may be polymerized in the presence of free radical catalysts, e.g. organic peroxide, optionally with amine or metal soap accelerators. Examples describe the copolymerization of styrene with reaction products of methyl methacrylate with (1-3 and 7-10) hydrogenated polybutadiene glycol, (5) hydrogenated polypentadiene glycol and (6) hydrogenated polyisoprene glycol, and with reaction products of methacrylyl chloride with (4) hydrogenated butadiene/styrene copolymer glycol; and the copolymerization of reaction products of methyl methacrylate and hydrogenated polybutadiene glycol with (II) vinyl toluene and (12) t-butyl styrene.
Patent GB-1490558-A (GB)
Title: Phenylethylamine derivatives
IPC: C07C215/52
Filed: 1974-12-16
Abstract: 1490558 Phenethylamine derivatives SANDOZ Ltd 16 Dec 1974 [19 Dec 1973 23 Oct 1974 (2)] 54157/74 Heading C2C Compounds of the general formula (R 1,2 =H, C 1-5  alkyl) and their salts are prepared by (a) subjecting a corresponding bisdiether to acidolysis or hydrogenolysis or (b) reducing the corresponding bis-amide in which the (CH 2 ) 6  groups are replaced by (CH 2 ) 5 CO, optionally followed by salt formation. The preparation of starting materials for processes (a) and (b) and 2,4,5-trichlorophenyl hydrogen adipate, N 2 ,N<SP>1</SP> 2 -bis-(3,4-dimethoxyphenethyl) - N 1 ,N<SP>1</SP> 1  - hexamethylene bis - (adipic azid diamide) and hexamethylene - N,N<SP>1</SP> - 1 - bromocaproic acid diamide is described. The above compounds are antihypotensives, and may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent GB-1262987-A (GB)
Title: Lattice type networks
IPC: H03H9/56
Filed: 1969-11-10
Abstract: 1,262,987. Impedance networks including electromechanical resonators. COLLINS RADIO CO. 10 Nov., 1969 [18 Nov., 1968], No. 54832/69. Heading H3U. A lattice filter, Fig. 2A, has its series and cross arm impedances Z 1 , Z 2  formed by a discwire structure 40 driven by a coil 39 surrounding a magnetostrictive rod 38. In an alternative arrangement (not shown) the rod 38 is replaced by a piezoelectric transducer. The filter may be designed to have a wide pass band response, Fig. 5, or a narrow pass band response, Fig. 6, where the poles are represented by X and the zeros by 0. In another embodiment, Fig. 10, the two cross arm impedances Z 2  are formed by a common disc-wire structure 70 and the two series arm impedances Z 1  are formed by a common disc-wire structure 71, the input and output terminals being designated W, X and Y, Z, respectively. A delay equalizer having a lattice network including a disc-wire structure is described with reference to Figs. 17-21 (not shown). In another embodiment, Fig. 22, the disc-wire structure of the lattice filter is replaced by a monolithic crystal plate 100 having pairs of electrodes 101 ... 105, each series arm impedance and each cross arm impedance consisting of such a plate. In a modification, Fig. 23, both series arm impedances Z A  are formed by a single monolithic crystal structure 114 and, similarly, the two cross arm impedances Z B  are formed by another single structure. According to a further embodiment a lattice-type delay equalizer may be constructed using a monolithic crystal impedance.
Patent GB-1281240-A (GB)
Title: High turn-down ratio design for sulfur plants
IPC: B01D53/50
Filed: 1969-11-11
Abstract: 1281240 Sulphur from H 2 S PAN AMERICAN PETROLEUM CORP 11 Nov 1969 [10 Feb 1969] 55219/69 Heading C1A Sulphur is recovered from a gas stream containing at least 45 mole per cent H 2 S, whose feed rate is less than 50% design, by burning about a third of the gas to SO 2  in a non-catalytic combustion zone, in which stable combustion conditions are maintained by burning a hydrocarbon fuel in a separate zone to convert it to CO 2  and H 2 O, the amount corresponding to up to 20% of the H 2 S design feed rate, combining the combustion products from both zones and recovering free sulphur in known manner. This sulphur may be recovered by condensation, and the stripped gas stream passed to a reactor for catalytic reaction of the remaining H 2 S and SO 2 . The preferred hydrocarbon fuel is natural gas.
Patent GB-1133649-A (GB)
Title: Improvements relating to vehicles with hydropneumatic suspensions
IPC: B60G17/04
Filed: 1966-12-09
Abstract: 1,133,649. Hydropneumatic suspension systems. DAIMLER-BENZ A.G. 9 Dec., 1966 [11 Dec., 1965], No. 55253/66. Heading F2S. A hydro-pneumatic suspension arrangement comprising a levelling system consisting of an hydraulic pump 17, a working-air chamber 1 having its oil part 1a connected to a cylinder 4 for a working piston 5 and its air part 1b connected through a narrow orifice 3 to the air part 2b of a reserve-air chamber 2 and means for regulating the level of the vehicle body upon loading and unloading by causing oil to be pumped into or discharged from the oil part 2a of the reserve-air chamber 2 and, as a result, air to be displaced from the latter chamber into the working air chamber 1b or conversely, until a predetermined level of the body is attained is characterized in that, for compensating for oil losses in the cylinder, provision is made for communication between the pump 17 and the cylinder 4 to be established and interrupted, when the vehicle is unloaded, in dependence on the volume of air present in the reserve-air chamber 2a. A valve 18 which operates according to the level of the vehicle body, has one position which leads from the pump 17 through a pipe 16 to the oil part 2a of the reserveair chamber 2 and another position to a discharge pipe 23, the position of the valve 18 depending upon the level of the vehicle body below or above its normal value. A branch of the pipe 16 supplies hydraulic pressure to the underside of the piston 8 of a valve stem 9 which pressure is superior to that of an opposing tension spring 10 only while the level of liquid in the cylinder remains at or above its normal level. Should oil loss occur in the working space of the cylinder 4 a separating diaphragm 13 in the chamber 2 descends and a compression spring 12 increases the tension of the spring 1 1a as a rod 1 1a follows the downward movement of the diaphragm, the valve stem 9 descending so that a groove 20 establishes communication between a pipe 19, fed by the pump 17, and a pipe 6 leading to the working space of the cylinder 4. The lifting of the diaphragm 13 as the cylinder 4 is filled reduces the tension on the spring 10 so that the hydraulic pressure beneath the piston 8 prevails and the valve stem 9 rises to cut off communication between the pipes 6, 19. In a modification, Fig. 2, not shown, liquid losses can only be made good when the diaphragm (13) does not return to its normal unload position, indicated by broken lines, contacts (33, 34) in this position being made by thrust of the rod (11a so that an armature (30) is retained within a solenoid (31) against the action of a tension spring (27) to aid the hydraulic pump pressure on a piston valve (25) so that the pipes 19, 16 are closed. Loss of liquid causes the diaphragm (13) to descend to the position shown, so that the contacts (33, 34) open and the tension spring (27) is able to raise the valve (25) to a position where it provides communication between the pipes 19, 6.
Patent GB-1495740-A (GB)
Title: Extruder and method of mixing ingredients in said extrude
IPC: B29C48/03
Filed: 1974-12-23
Abstract: 1495740 Extruder screw EXXON RESEARCH & ENG CO 23 Dec 1974 55374/74 Heading B5A [Also in Division B1] An extruder has a bevel 34, Fig. 4, of substantially constant inside diameter and a screw having discontinuous lands 31 of axial length within the range 1/10 to 5 screw diameters, each successive land being located in a channel 32 between preceding lands on their projected helical axes, and the running length l of the narrowest width channel between the lands being -0À25 (in the case where lands do not overlap) to 3 screw diameters. In Fig. 4, the lands form a two-start screw with discontinuous flights, while Fig. 2 shows a screw fabricated form identical elements each carrying a triplestart thread but each circumferentially displaced relative to the proceeding element. The ends of the screw lengths may be squared off (see Fig. 6, not shown) so that their locus is on a helix of the same pitch angle as the lands but of opposite hand. Preferably the perpendicular width # of the narrowest width channel between the lands is 1/20 to 2 screw diamters D. The appatus forms mixed substreams. The numbers of which increase exponentially and may be used for mixing, e.g. glass fibre into polypropylene.
Patent GB-1162700-A (GB)
Title: Gear Pump or Motor
IPC: F04C2/08
Filed: 1966-12-12
Abstract: 1,162,700. Gear pumps and motors. KADRON G.m.b.H. Dec.12, 1966 [Dec. 10, 1965], No. 55475/66. Heading F1F. To reduce noise in an externally-meshing gear pump or motor, two elongate orifices 4, 5, Figs. 1, 4 in spaced symmetrical relation are provided in at least one side wall 3 of a pressure chamber enclosing the squeezing space between the teeth, with each orifice swept by the adjacent side face of a gear-wheel and with the orifice 4 associated with the driving gear-wheel 1 having its leading end in the direction of rotation of that wheel extending between the tooth root and the line of action 21, 22 into the squeezing space between the gear-wheels. Oil trapped between the gear-wheels is squeezed into the uncovered portion 41 of the orifice 4, transferred through a damping chamber 6 externally of the pressure chamber into the orifice 5 to pass through the uncovered portion 51 thereof to the high pressure side of the pump or motor.
Patent GB-1415689-A (GB)
Title: Spring assembly and method of manufacture thereof
IPC: F16F1/02
Filed: 1972-12-01
Abstract: 1415689 Friction clutches KUHLMAN CORP 1 Dec 1972 [1 Dec 1971] 55743/72 Heading F2C [Also in Division B3] A clutch spring assembly comprises a series of helical springs 22 which are secured to a clutch cover 30 by a tool 36 that positions each spring 22 on an annular flange 34 pressed out of the cover and thereafter bends over the end of the flange to connect the end turn of the spring to the cover.
Patent GB-1191920-A (GB)
Title: Toilet Seat Assembly
IPC: A47K13/26
Filed: 1967-12-12
Abstract: 1,191,920. Toilet seat assembly. SWEDISH CRICIBLE STEEL CO. 12 Dec., 1967 [8 Sept., 1967], No. 56337/67. Heading E2F. A toilet seat assembly, adaptable to various positions and separations of stud holes in a toilet bowl platform to which the seat is to be attached, comprises seat 14 provided with coaxial hinge pin openings 25 and 27, hinge posts 20, each of which is provided with a hinge pin 28 which projects laterally from the head of the hinge post and which is pivotally received in one of the hinge pin openings, each hinge post being further provided with a recess 38 in the bottom thereof and with a screw-threaded pivot socket 42, 44 and pivot studs 50, each of which comprises an elongated screw-threaded shank 52 for engagement with a stud hole 22 in the toilet bowl platform, the shank having an arm 54 which extends laterally from the top of the shank and which is located within the recess in the hinge post, and an upstanding screwthreaded pivot boss 56 on the arm offset laterally away from the shank and in screw-threaded pivotal engagement with the pivot socket, whereby the hinge posts are movable relatively to one another round the shanks of their respective pivot studs as pivots.
Patent GB-565491-A (GB)
IPC: G01B5/20
Abstract: 565,491. Grinding screw threads. RICKENMANN, A. Jan. 14, 1943, No. 695. [Class 60] In a machine for forming screw-threads, a device is provided for indicating continuously the depth of the thread groove during formation. The work-piece 1 is mounted on centres on a carriage B slidable on a bed A, and the thread is cut by a grinding-wheel 4. On the carriage B is adjustably mounted a member 5 carrying, on a horizontal shaft 9, a bell-crank lever 8, on one arm of which is a stud 10 carrying rotatably a toothed wheel 11, the teeth Z of which are proportioned to engage the flanks M, N of the thread C being ground and are pressed up to the thread by a spring 12. The other arm of the lever operates the pin 7 of an indicator 6 from which the variations in the distance T, and hence the depth of the groove, can be observed.
Patent GB-1278215-A (GB)
Title: Roonm temperature vulcanizable silicone rubber with unprimed adhesion
IPC: C08L83/04
Filed: 1970-11-30
Abstract: 1278215 Coated surfaces DOW CORNING CORP 30 Nov 1970 [29 Dec 1969] 56775/70 Heading B2E [Also in Division C3] A curable composition with improved unprimed adhesion to substrates such as aluminium, glass, ceramics, wood, stainless steel, titanium and epoxy resin comprises (A) an uncured RTV silicone rubber which is curable through reaction of a non-halogen Sibonded hydrolysable group with a Si-bonded OH or H 2 O and (B) from 0.1-10 parts wt. of an organo-silicon compound consisting of at least one organic radical bonded to Si by a Si-C bond and having at least one -COOH group, the radical being composed of C and H, C bonded to halogen, S, O, N or OH, N or S bonded to both C and H, the radical having no more than 18C in any one uninterrupted C chain, each Si having at least one Si-bonded hydrolysable group, any remaining unsatisfied bonds of any Si being satisfied by monovalent hydrocarbon or halohydrocarbon radicals or divalent O atoms present as siloxane linkages, the amount of (B) present being based on 100 parts wt. of organosiloxane base polymer. Compounds (B) can be a silane, a siloxane or mixtures thereof such as (CH 3 O) a  (CH 3 ) b  Si(CH 2 ) c  S(CH 2 ) d  COOH where a = 2 or 3, b=0 or 1, c=2 or 3, d=1 or 2, or (CH 3 O) 3  Si(CH 2 ) 2  S CH(COOH) CH 2  COOH, (CH 3 O) 3  Si(CH 2 ) 3  [NH(CH 2 ) 2 ] 2  COOH, (CH 3 COO) 3  Si(CH 2 ) 2 .S.CH 2 .COOH or a polysiloxane of the unit formula The silicone rubbers (A)are known compositions and generally include an OH terminated or other non-halogen functionally terminated diorganopolysiloxane, a cross-linker such as an alkoxyketoxy-, aminoxy- or amino-silane or an organohydrogen siloxane and a catalyst such as a metal salt of a carboxylic acid, a condensation product of an aliphatic aldehyde and primary amine, organozirconates, organotitanates, organosiloxy-titanates and amines, and other ingredients such as C black, TiO 2 , and SiO 2  filler. In a typical example 1 beads of an uncured composition comprising an OH-terminated polydimethylsiloxane, (CH 3 ) 3  SiO 0 . 5  treated reinforcing SiO 2  filler, ethylorthosilicate, (CH 3 O) 3  Si(CH 2 ) 3 .S(CH 2 ) 2  COOH and dibutyl tin dilaurate, were placed on an aluminium panel and aluminium strips were pressed onto the beads. The assembly was then cured at ambient atmospheric conditions. Numerous other examples are given.
Patent GB-1152722-A (GB)
Title: Improvements in or relating to Magnetic Transducer Heads.
Inventor: CAMRAS MARVIN
IPC: G11B5/465
Filed: 1966-05-02
Abstract: 1,152,722. Magnetic head. IIT RESEARCH INSTITUTE. 2 May, 1966, No. 56859/68. Divided out of 1,152,721. Heading G5R. The Specification repeats the description of the magnetic head construction shown in Figs. 4-7 of Specification 1,152,721 and the claims are directed to that construction.
Patent GB-1255718-A (GB)
Title: A filler material for hard-facing the sealing surfaces of valves and valve seats for internal combustion engines
Inventor: FRUMIN ISIDOR ILICH
IPC: F01L3/04
Filed: 1969-11-24
Abstract: 1,255,718. Welding by fusion. INSTITUT ELEKTROSVARKI IMENI E. O. PATONA. 24 Nov., 1969, No. 57413/69. Heading B3R. [Also in Divisions C7 and F1] A filler material for hard facing the sealing surfaces of I.C. engine valves and valve seats comprises, in weight per cent:- graphite 1À8 - 2.4 chromium 26À0 - 30À0 tungsten 8À0 - 15À0 calcium fluoride 0À05 - 0À50 nickel Balance, or, to prevent pore formation, graphite 1À8 - 2À4 chromium 26À0 - 30À0 tungsten 8À0 - 15À0 calcium fluoride 0À05 - 0À50 alumino-calcium 0À05 - 0À50 nickel Balance, the alumino-calcium being defined as an aluminium alloy containing 10-20% by weight calcium. The material components are mixed, and formed into rings by compression moulding (6000-8000 kg./cm.<SP>2</SP> pressure). The rings are then sintered in vacuo (1 x10<SP>-4</SP> mm. Hg) for one hour at 1000-1100‹ C. The finished rings may comprise in weight per cent:- carbon 2À0 chromium 28À0 tungsten 9À5 nickel 59À3 calcium fluoride 0À2 with gas content not exceeding, in weight per cent, oxygen 0À05, nitrogen 0À05, hydrogen 0À005. The rings are fused on to the valves and valve seats by oxy-acetylene flame, high frequency current or electric arc (e.g. plasma arc, using argon). The resulting facing is a nickel base alloy comprising, in weight per cent: carbon 1À4 -1À6 chromium 24À0 - 27À0 tungsten 5À5 -7À0 iron up to 28À0 manganese up to 1À0 silicon up to 0À6 sulphur up to 0À015 phosphorus up to 0À015.
Patent GB-1423158-A (GB)
Title: Overload interrupt system for threephase induction motors
IPC: H02H3/38
Filed: 1972-12-18
Abstract: 1423158 Protective arrangements SHARNOA Ltd and G HAGIZ 18 Dec 1972 [27 Dec 1971] 58391/72 Heading H2K An overload protective system for a threephase induction motor has means T1, R1 producing a voltage proportional to and in phase with the motor current in a first phase, means T2 producing a voltage in phase with the voltage between the other two phases and of similar magnitude to the first voltage under no-load conditions, a circuit R4, R5 vectorially subtracting the two voltages and a solid state switching device controlled by the resulting voltage which is approximately proportional to the energy component of the motor current. As shown the switching device comprises a Schmitt trigger Q1, Q2 which normally maintains a relay RL energized to complete the operating circuit for the coil of a contactor 2. Under overload conditions the trigger changes its state, the relay RL is de-energized and the contactor 2 opens. The variable resistor R1 is provided for adjusting the first voltage so as to be substantially equal to the second one under no-load conditions and a further variable resistor R2 is provided for adjusting the level of the resulting voltage at which the circuit interrupter is actuated. A network, Fig. 5 (not shown), may be connected between diode D1 and the resistor R2 to vary the sensitivity of the system to rapid changes in load and the system may also be made sensitive to rate of change of load byconnecting a differentiating network, Fig. 6 (not shown), between diode D1 and the input to transistor Q1. To provide protection during starting of the motor the base of transistor Q1 may be provided with an additional voltage from a secondary T2<SP>1</SP> on transformer T2, Fig. 7 (not shown), which compensates for starting surges, this voltage being applied through a differentiating network. This arrangement also includes a separate voltage supply (Vcc) for transistors Q1, Q2 and relay RL.  Reference has been directed by the Comptroller to Specification 971,153.
Patent GB-1370674-A (GB)
Title: Piezoelectric arrangements
IPC: H01L41/43
Filed: 1971-12-16
Abstract: 1370674 Electromechanical filters KIEVSKY ORDENA LENINA POLITEKHNICHESKY INSTITUT IMENI 50 LETIA VELIKOI OKTYABRSKOI SOTSIALISTICHESKOI REVOLJUTSII 16 Dec 1971 [21 Dec 1970 18 Jan 1971 25 Jan 1971 24 May 1971 31 May 1971] 58558/71 Headings H3U and H4J [Also in Divisions G1 G3 G5 H1 and H2] A piezoelectric filter for low frequencies comprises a spiral piezoelectric element (see Division H1). In Fig. 18 the element 117 is coupled to an inertia wheel 121. The input is applied to leads 132, 133 and the output is taken from leads 132, 134. In Fig. 20 a driver piezoelectric element 144 is coupled to a driven piezoelectric element 145 by an axle 140 carrying an inertia wheel 139. In Fig. 22, the mechanical resonance frequency of a filter is varied by providing an electromagnet 154 which acts on a ferromagnetic member 153 at the free end of piezoelectric element 152. The frequency is adjusted by varying the current in winding 155. In Fig. 24 a loud-speaker cone 182 is driven by two spiral piezoelectric elements 179, 180 via a rod 181.
Patent GB-1219350-A (GB)
Title: Multiple-article wrap-around carrier blanks
Inventor: GRASER EARL JOHN
IPC: B65D71/00
Filed: 1968-12-17
Abstract: 1,219,350. Clamps. OLINKRAFT Inc. 17 Dec., 1968 [26 March, 1968], No. 59966/68. Addition to. 1,192,265. Heading E2B. [Also in Division B8] A packaging band for securing six cans whose size may vary slightly has a uniform set of apertures 4 at one end and, at the other end, staggered sets 7 and 9 of tongues, one of which engages the apertures to secure the package.
Patent GB-1379729-A (GB)
Title: Electrochemical marking heads
IPC: B23H9/06
Filed: 1970-12-17
Abstract: 1379729 Marking head LECTROETCH (GREAT BRITAIN) Ltd 17 March 1972 [17 Dec 1970] 60058/70 Heading C7B An electro-chemical marking head comprises a flexible pad mounted between two members which are relatively movable to enable the pad to conform to the shape of a non-planar surface of a workpiece. Cross-bar 1 carries two channel shaped outer arms 3 biased outwardly by leaf springs 4. Stencil assembly 8 which is supported between the two outer arms 3 comprises a felt layer 9, a stainless steel gauze 10, a further felt layer 12 and a stencil 13. Inner arms 6 extend downwardly from bar 5 and terminate at their lower ends just short of the assembly 8. In use the head is lowered against the workpiece so that the stencil assembly 8 wraps around the workpiece by virtue of the spring biasing of the outer arms 3 and the embracing action of the inner arms 6. The stencil assembly may be a continuous band Electrical connection is made through outer arms 3.