baber/WOPTO huggingface dataset:
Patent GB-1230864-A (GB)
IPC: F23G5/00
Filed: 1968-08-30
Abstract: 1,230,864. Incinerators. DETROIT STOKER CO. 30 Aug., 1968, No. 41620/68. Heading F4B. A refuse incinerator is provided with stepped, inclined, air permeable, reciprocating grate sections 16, 20, 24 used respectively as drying, ignition and burn-out grates. Forced air is supplied below the grate sections through damper controlled ducts 32 and 34, and above the grate through nozzles 42 and 44. Firebrick side walls 54 extend alongside the grate sections, the lower portions 56 of the side walls being formed from interfitting and intercommunicating cast iron tuyeres 70 which discharge air from the space beneath the grate sections, through downwardly inclined grooves 76 in their front faces towards the burning refuse on the grate. The assembled vertical and horizontal rows of tuyeres 70 (see Figs. 4 to 6, not shown) are carried by spaced angle irons 66 mounted on a support plate 60. In a modification (Fig. 7, not shown) the side walls are spaced from the grate sections, the assembled tuyeres extending outwardly from them towards the grate. In this case the top row of tuyeres have inclined faces so that they slope back to abut the firebrick side wall. In a further modification (Fig. 8, not shown) a single row of such inclined tuyeres is used immediately adjacent the top of the grate.
Patent GB-1231000-A (GB)
IPC: C08G77/06
Filed: 1967-12-01
Abstract: 1,231,000. Arrested equilibration of cyclic siloxanes. MIDLAND SILICONES Ltd. 26 Nov., 1968 [1 Dec., 1967], No. 54774/67. Addition to 1,217,335. Heading C3T. The process of Specification 1,217,335 is modified by addition of an active hydrogen compound to reduce the rate of polymerization: an organosilicon polymer having a narrow molecular weight range is prepared by polymerizing below 160‹ C. a compound (a) (RR<SP>1</SP>SiO) 3  wherein each R is a monovalent hydrocarbon or halohydrocarbon radical and each R<SP>1</SP> is H or R or (b) wherein each R<SP>111</SP> is a monovalent hydrocarbon, halohydrocarbon or C 1-6  alkoxy radical, in the presence of a silanolate or siloxanolate catalyst and an organic compound containing active hydrogen and having a dissociation constant in water less than 10<SP>-7</SP>, and terminating the polymerization prior to equilibrium, at a point where the ratio of weight average molecular weight (#M w ) to number average molecular weight (#M n ) is less than 1.6. Suitable active hydrogen compounds are methanol, phenol, p-nitrophenol, mchlorophenol, 2: 3 - dichlorophenol, m - cresol, resorcinol and p - aminophenol. In Examples 1, 2 and 3 hexamethylcyclotrisiloxane is polymerized i.p.o. (CH 3 ) 4 NOSi(CH 3 ) 3  in dimethylsulphoxide (as catalyst) and m - chlorophenol or phenol in toluene, or methanol (as retardant); the reaction is halted by adding solid CO 2 .
Patent GB-1232063-A (GB)
IPC: F02B75/04
Filed: 1968-07-10
Abstract: 1,232,063. Pistons. CONTINENTAL AVIATION & ENG CORP. 10 July, 1968 [8 Dec., 1967], No. 32788/68. Heading F2T. A variable compression ratio piston in an I.C. engine in which an outer member 14 is moved relative to an inner member 12 by an hydraulic system comprises valve assemblies 54, 58 which are constructed of a material having a different rate of thermal expansion than that of the piston and are retained in place by utilizing the differences in thermal expansion upon the engine being heated uup. Oil is fed through the connecting rod and oil collector 46 to a cooling space 106 and past triangularshaped non-return valve-plates 84 to upper and lower chambers 30, 32 formed between the inner and outer members of the piston which is made of aluminium, the valve seats being formed in a stainless steel component 60 which is flanged at its upper end and screw-threaded at the other. A pressure relief valve 126 having a recess 118 in communication with the chamber 30 via a passage (139), Fig. 5 (not shown), discharges oil from the chamber 30 into the crankcase and seats in a stainless steel component 112 having a lower flange which is drawn upwardly into engagement by a nut 140 at the opposite end. When the engine heats up, the faster rate of axial expansion of the piston locks the valve components 60, 112 in position. Castellated stop members 88, 90 for the valve-plates 84 permit oil to pass into the chamber 30 on the downstroke and into the chamber 32 on the upstroke. The upward inertia forces of the outer member 14 and the valve-plates compresses the oil in the chamber 32 and shuts off the oil supply thereto. An orifice 37 controls leakage of oil from the chamber 32, the leakage permitting the outer member to move upwardly a small distance on each engine cycle. When the gas pressure exceeds the upper limit, the relief valve 126 lifts to discharge some oil from the chamber 30.
Patent GB-1238209-A (GB)
IPC: B29C48/92
Filed: 1968-10-14
Abstract: 1,238,209. Film width monitoring device. BELOIT CORP. 14 Oct., 1968, No. 48576/68. Heading B5B. [Also in Division G1] The width of a moving tubular film 13 may be controlled by pneumatic sensing heads 14, 16 which have air jets 24, 22 directed towards tapered sensors 23, 25 mounted on U springs 31, 37. Parts of the springs cover and act as valves over the ends of passages 33, 40 connected through valves 34, 41 to a static pressure air supply. If the film changes its width during manufacture then the position of its edges 13a, 13b relative to the orifices and sensors determines the quantity of air which is interrupted by the edges or impinges on what side of the tapered sensors. If, for example, the film increases in width by moving its edge 13a in the direction of the arrow 36, then less air from the orifice 22 will impinge on one side of the sensor 23 and the force of the sensor on the end of the passage 33 will decrease in pressure. This decrease in pressure in the passage 33 is used by an actuator 11, see also Fig. 4 (not shown), to move the sensor 23 in a direction opposite to that of the arrow 36, until the tapered point is over the edge 13a again. The actuator 11, however, is rigidly but adjustably connected by a rod 19 to a similar actuator 10 mounting the sensor 25, so both actuators move in the direction of arrow 29, that is in a direction opposite to the increased width of the film. The actuator 10, however, is connected to a vacuum and differential pressure valve 45, itself connected to a static pressure passage 40 and to a device for correcting the film width, so that as the actuator 10 is moved by the actuator 11 the sensor 25 is moved relative to its jet 24 and operates to vary the pressure in passage 40. This variation in pressure in 40 is transmitted to the valve 45 which signals the film width correcting device accordingly. Should the width of the film vary by movement of the edge 13b then actuator 10 will move directly, but should the film move laterally without varying its width then the device will merely recentralize as a whole over the film.
Patent GB-1239430-A (GB)
IPC: D06N7/00
Filed: 1968-07-04
Abstract: 1,239,430. Coatings. BREVETEAM S.A. 4 July, 1968 [7 July, 1967], No. 31978/68. Heading B2E. [Also in Division A4] A porous textile floor-covering comprises a textile web or a tile having a contact adhesive on selected areas but occupying not more than 50% of the underside area of the product, the contact adhesive having low adhesion at normal temperature so that the product can be laid on the floor, adjusted thereon and lifted therefrom without damaging the contact adhesive and has a high adhesion on the application of heat to at least 50‹C., or on the application of pressure to at least 100 g/cm.<SP>2</SP> so that it can be secured to the floor. The area of adhesive may reach to the edges of the product and be disposed so that transverse cutting of the product cuts some of the selected areas. A suitable adhesive comprises ethylene/acrylate copolymer, polyisobutylene, rosin ester of glycol, microwax and butylised hydroxytoluene.
Patent GB-1251302-A (GB)
IPC: G01V1/147
Filed: 1969-01-20
Abstract: 1,251,302. Seismic energy generators. COMPAGNIE GENERALE DE GEOPHYSIQUE. 20 Jan., 1969 [1 Feb., 1968], No. 3245/69. Heading H4D. [Also in Division G5] A generator of underwater shock waves, e.g. for prospecting, comprises a light disc 8 which is movable under the impact of a heavy piston 4 on the head 10, the piston 4 being within a cylindrical container 1 which is open to the water at 3. The piston 4 is moved to the right by compressed gas admitted at 7 and is held in position by a catch 12. On release of the catch 12 the piston is driven to the left by the hydrostatic pressure. The initial position of the disc 8 against the container end 6 is restored by a spring 11. Indexing contacts are provided at 13 and 14. The generator shown produces both pressure and vacuum wave trains. In embodiments to produce predominantly pressure wave trains the disc 8 may be joined to the container end 6 by a flexible bellows (15, Fig. 2), by a sleeve fixed to the disc 8 (16, Fig. 3) or the disc 8 may slide within a cylindrical extension of the container 1 (18, Fig. 4). In an embodiment to produce predominantly, vacuum wave trains the disc 8 has a cylindrical extension (19, Fig. 5) and is slidable within a further container (20) fired to the container 1. In a further embodiment the piston 4 instead of being free is secured to a rod (21, Fig. 6) which extends to a further cylindrical container (22) in which a hydraulically driven piston (24) is used to restore the piston 4 to its original position in the right-hand end of container 1. The rod (21) carries a head at its free end and is slidingly movable in an axial bore of the hydraulically driven piston (24). The two containers (1, 22) are rigidly interconnected by three radially arranged outer arms (28).
Patent GB-1251348-A (GB)
IPC: H01L21/22
Filed: 1968-12-03
Abstract: 1,251,348. Integrated circuits. SONY CORP 3 Dec., 1968 [5 Dec., 1967], No. 57278/68. Heading H1K. An integrated circuit assembly comprises a semi-conductor layer vapour deposited on a monocrystalline semi-conductor substrate, the layer including monocrystalline regions electrically isolated by a high resistivity polycrystalline region. The monocrystalline regions may be isolated from the substrate by PN junctions. In one example an apertured oxide mask is formed over a P type silicon wafer by standard techniques and donor dopant diffused through the holes prior to the vapour deposition step. During deposition of intrinsic semi-conductor material outward diffusion occurs to render the monocrystalline islands above the holes N type. Subsequently device configurations e.g. transistors are formed by diffusion through oxide masking and are interconnected and joined to vapour deposited passive components by vapour depositing and etch shaping aluminium. In other embodiments diffused regions are formed under only some of the islands, or selected islands are doped throughout after deposition by inward diffusion. In yet another embodiment N+ diffusion regions are formed beneath all of the islands and P + regions diffused into some of these. In this case outward diffusion during deposition provides islands of opposite conductivity types in which complementary transistors are formed by successive diffusions. Instead of using oxide to form seeding sites for growth of polycrystalline material it is possible to use predeposits of polycrystalline material or to abrade parts of the surface.
Patent GB-1256833-A (GB)
IPC: C07C/
Filed: 1970-06-17
Abstract: 1,256,833. Acylation of hexanone derivatives. ATLANTIC RICHFIELD CO. 17 June, 1970 [3 July, 1969], No. 29478/70. Heading C2C. A process for acylating 2,6-dioximinocyclohexanone or the monosodium salt thereof comprises contacting it with a ketene or carboxylic acid anhydride in the absence of a catalyst. The acylation is conveniently carried out at 0‹ C. to 100‹ C.
Patent GB-1258181-A (GB)
IPC: B29C48/12
Filed: 1969-02-28
Abstract: 1,258,181. Extruded lined, corrugated tubing. WAVIN N.V. 28 Feb., 1969 [5 March, 1968], No. 10787/69. Heading B5A. [Also in Division F2] In a combined, extrusion and double-belt moulding machine, Fig. 1 (not shown), for the production of transversely corrugated tubes, the extrusion nozzle is provided with two orifices 3, 14, Fig. 3a, the former of which provides a tubular extrudate which is corrugated by expansion thereof within co-operating contoured mould halves 7, Fig. 2, and the latter of which provides a lining 20 which is shaped by a sealing device 10 connected to the extrusion nozzle and which presses the lining into contact with the troughs 22 of the corrugations. The cross-section of the resultant tube using the orifice configuration of Fig. 3a is as shown in Fig. 4a. Various shapes for orifices 3 and 14 are described, Figs. 3b-3g (not shown), -a general feature being that orifice 14 communicates with orifice 3 at at least -two points. The lining may only enclose part of the interior surface of the tube, Figs. 3e and 3f (not shown) Formation of the corrugations is facilitated by suction means (13), Fig. 1 (not shown), applied to mould halves 7 and internal air pressure supplied via openings 12 and 17, Fig. 3a, situated either side of orifice 14 to maintain substantially equal pressure on both sides of the lining.
Patent GB-1264744-A (GB)
IPC: A23L1/0522
Filed: 1970-04-15
Abstract: 1,264,744. Increasing the swelling temperature of potato starch; hydroxypropyl starch. PENICK & FORD Ltd. 15 April, 1970 [19 May, 1969 (2)], No. 17979/70. Heading C3U. A process for treating potato starch in an aqueous suspension to effect an increase in the swelling temperature to improve the paste and gel properties, involves forming a stirrable aqueous suspension of potato starch at a pH in the range 5À5-8À0, and maintaining the temperature of the suspension below the swelling temperature of the starch and above 100‹ F. for a time sufficient to cause an increase in the swelling temperature of the potato starch. Thus, the suspension may be held successively at a temperature 5‹ to 10‹ F. below the attained swelling temperature, e.g. in the range 100- 125‹ F., for at least one hour and gradually increased to 140‹ F. The treated potato starch may be reacted, in aqueous suspension, with propylene oxide in the presence of an alkaline catalyst (NaOH or KOH, with Na 2 SO 4 ) to give hydroxypropyl starch in water-washable, granule form (5-30% hydroxypropyl content).
Patent GB-1265975-A (GB)
IPC: B65G1/04
Filed: 1968-12-24
Abstract: 1,265,975. Sorting parcels ; conveyers. SOVEX Ltd. 10 Dec., 1969 [24 Dec., 1968], No. 61404/68. Heading B8A. A conveyer system supplies articles to a sorting conveyer 5 and comprises at least one sorting station 6, the articles being sorted at the or each station and fed therefrom to the sorting conveyer. Each sorting station includes a store 6B for the articles which is operable in such a manner that the part of the store nearest to the sorting conveyer is filled first, the articles in the store being removed by the sorting conveyer in dependence on its capacity, so that as articles are successively fed to the sorting conveyer, the remaining articles in the store move progressively towards the sorting conveyer. As shown, applied to sorting parcels, the store comprises a plurality of compartments 6A separated from each other and from the sorting conveyer by controllable gates 7, the gates being operable in order to feed the first articles to the compartment nearest the sorting conveyer, and as articles are successively fed to the sorting conveyer to cause the articles in the compartments to move  to the next empty compartment in the direction of the sorting conveyer. The parcels are fed by conveyers 8, 9, 10, to a main feeder conveyer 1. The latter has members 3 which deflect each parcel to one of a series of identical shoots 2. Alternatively, the conveyer 1 may be of the tilted band type and the members 3 may be replaced by openable gates. Each shoot 2 leads to a respective secondary feeder conveyer 4 along which are positioned push-button sorting stations (not shown). Parcels not accepted by the stations 6 are returned to the conveyer 1 by conveyers 15, 16. Similarly parcels remaining on the sorting conveyers 5 are returned by conveyers 14, 13, to the conveyer 1. An accelerating conveyer (not shown) is provided to feed parcels from the store 6B to the conveyer 5. The sorting station 6 may consist of a conveyer (not shown) having article-engaging pusher bars.
Patent GB-1288593-A (GB)
IPC: A63F9/16
Filed: 1969-10-07
Abstract: 1288593 Pin-tables ARCO FALC SRL 7 Oct 1969 [30 Nov 1968] 49254/69 Heading A6H A pin-table bumper member comprises a substantially cup-shaped resilient element 1 mounted with its axis substantially vertical on a stem 8. The rim of the element is bent upwards. The element is of sheet metal. The stem 8 is either formed in, or covered by, electricaly insulating material. The element may be provided with radial slots (3) (Fig. 4, not shown).
Patent GB-1290276-A (GB)
Inventor: ETZEL K W F
IPC: C01B31/00
Filed: 1971-04-19
Abstract: 1290276 Producing graphite SIGRI ELEKTROGRAPHIT GmbH 19 April 1971 [18 April 1970] 26531/71 Heading C1A [Also in Division H5] An electric furnace for the graphitization of carbon articles 9 comprises a carriage 4, having ceramic walls 5, which carriage is movable into position between two electrodes 1. The carriage has graphite blocks 7, inserted into its ceramic walls, which engage the electrodes and a mixture of coke and sawdust 8 above and below the carbon articles so as to protect them against oxidation. A hood 10 is suspended above the furnace to remove any gases formed during the graphitization process. The carriage has wheels which run on rails 11, a circular track being provided, Fig. 3 (not shown), around which are situated the silos for the insulating mixture, cranes for the loading and unloading of the carbon articles, and the two electrodes for connection to the furnace. In Fig. 2 (not shown), an hydraulic press moves the electrodes into and out of engagement with the graphite blocks on the carriage, to which blocks, layers of graphite fabric or foil may be stuck.
Patent GB-1295793-A (GB)
IPC: C12P17/08
Filed: 1971-04-19
Abstract: 1295793 Production of zearalenone by fermentation COMMERCIAL SOLVENTS CORP 19 April 1971 [18 June 1970] 23365/71 Heading C2C Zearalenone is obtained by cultivating a submergible, aerobic, zearalehone-producing strain of the microorganism Gibberella zeae while the microorganism is submerged in an agitated, aerated, aqueous, liquid phase fermentation medium containing ,assimilable carbon, nitrogen and mineral sources. Specified microorganisms are Gibberella zeae (Schw.) Petch strain 542 Keith ATCC 20273 and Gibberella zeae (Schw.) Petch strain Paul S. ATCC 20271. The fermentation medium is suitably maintained at 20-28 C. and preferred carbon and nitrogen sources are glucose and urea respectively. The fermentation medium also preferably contains yeast extract, a foam inhibitor, a growth promoting amount of a hydrolysate of protein and an osmotic pressure-enhancing salt.
Patent GB-1296157-A (GB)
IPC: F01L13/00
Filed: 1970-08-12
Abstract: 1296157 I.C. and steam engine valve gear P ERSALO 12 Aug 1970 [12 Aug 1969] 38926/70 Headings F1B F1K and F1M [Also in Division F2] The cam 1a on an axially movable I.C. or steam engine cam-shaft 1, 1b co-operates with the surface 2a, 2b on the end of a rocker 3 remote from the end connected to a valve 4. The surface 2a, 2b is convex and the radius of curvature of the surface portion 2b increases in a direction away from the surface portion 2a. Two spaced cams (1a, 1a'), Fig.6 (not shown), with adjacent minimum lift portions may be provided for reversal of the direction of cam-shaft axial movement, the rocker 3 having inclined surface portions on either side of a surface portion parallel to the cam-shaft axis. An annular projection (R), Fig.7 (not shown), may be provided on the camshaft between the two cams to provide permanent valve opening.
Patent GB-1297342-A (GB)
IPC: F26B21/00
Filed: 1971-01-19
Abstract: 1297342 Continuous ovens GOODYEAR TIRE & RUBBER CO 19 Jan 1971 2523/71 Heading F4B  In a continuous oven for processing tyre cord fabric 10 wherein said fabric is drawn in turn through a number of oven units supplied with air at different temperatures, each oven unit comprises an elongated chamber 24 enclosing a plenum chamber 25 supplied with hot air through ducts 57, 58 fed by fans 55, 56, opposite walls of said plenum chamber being formed with slots 30 discharging the hot air on to the fabric in the course of a double run through the chamber. The air is withdrawn through an outlet 61 under control of dampers 63 and recirculated through a duct 64 containing a gasfired burner 65, a fresh air intake 66 with adjustable burners 67 opening into said duct 64. Movable diffuser blades 68 distribute the recirculating air over the burner 65 and control dampers 69, 70 on the inlet sides and 71, 72 on the outlet sides of the fans 55, 56 further control the-air. Another exhaust duct 78 with fan 77 and dampers 79 removes some gas from the recirculating system. When it is desired to cool the fabric, the burner 65 is turned off and cold air admitted at 66 is discharged directly through exhaust duct 78. A pair of diffuser screens 80, 81 disposed in front of the air inlet openings 82, 83 help to distribute the air uniformly in the plenum chamber 25. The fabric is supported within the chamber 24 by a pair of upper rollers 49. In the composite oven (Fig. 5) the oven units (A-H) are disposed in side-by-side relationship adjacent chambers being vertically separated and sealed from one another.
Patent GB-1297909-A (GB)
IPC: F02D41/32
Filed: 1970-04-03
Abstract: 1297909 Regulating I.C. engine fuel injection ROBERT BOSCH GmbH 3 April 1970 [5 April 1969] 15858/70 Heading F1B [Also in Division G1] In a fuel injection control system, in each injection cycle, a signal dependent upon engine operating conditions is compared with a signal representative of the time that fuel has been injected during said cycle, the injection being terminated when a predetermined relationship exists between the two signals. As shown, a trigger 17 operated by engine rotation periodically opens a gate 14 which allows constant frequency pulses, see Fig.2, from an astable multi-vibrator 18 to energize the injectors 20, the pulses also being applied to a summation circuit 12 which provides an analogue output representative of the running injection duration. This analogue signal is compared at 10 with a signal from a generator 11 representative of engine operating conditions, and when the two signals are equal a signal is applied to close gate  14 and thus terminate injection. The injectors, due to the inductances of their windings and inertia of their moving parts, remain open for an entire pulse train. A device 21 may be provided to influence the analogue signal and/or the comparator for other operating conditions or for special conditions such as cold starting and engine acting as a brake. Further, injection operation may be affected by varying the triggering point of trigger 17 and the pulse frequency of oscillator 18. In the case of a Diesel engine, the quantity of fuel injected per unit time may be variable by periodically closing gate 14, during each injection cycle, to omit some of the pulses. In an alternative, the device 12 may be omitted and the pulses from oscillator 18, via gate 14, are applied directly to the device 10 in the form of a counter, which may be a forward-backward counter, initially charged by pulses from the generator 11 and reduced by pulses from the oscillator 18 to provide an output when the count is zero.