baber/WOPTO huggingface dataset:
Patent GB-662750-A (GB)
Title: A process for the purifying of waste waters containing fermentable organic matters whilst simultaneously utilizing same for the production of fodder substances
IPC: A23K10/12
Filed: 1948-11-23
Abstract: A food for animals rich in protein is obtained by inoculating industrial effluents such as those from sugar mills, distilleries, yeast plants, dairies, breweries, and cellulose mills with a mould such as Oidium lactis or Monilia candida, fermenting at 25-30 DEG C and at a concentration of less than 2 DEG Be with aeration for 6-12 hours, adding lime to produce an alkalinity of Ph 9-11, allowing to settle and then removing the precipitate by filtration.  The product contains 70-90 per cent organic substances and 10-25 per cent of inorganic materials.
Patent GB-704082-A (GB)
Title: Improvements in medium pressure oil burning furnaces for green crop and grain driers
IPC: F26B21/00
Filed: 1950-12-13
Abstract: 704,082. Oil burning furnaces. RANSOMES, SIMS & JEFFERIES, Ltd., and JARVIS, J. S. Dec. 12, 1951 [Dec. 13, 1950], No. 30465/50. Class 51 (1). [Also in Groups XI and XIII] An oil burning furnace comprises a combustion chamber lined with refractory material and fitted with an oil burner, air inlets disposed in annular relation to the lining and an inner ring of refractory material, the inner ring having a central air inlet for the supply of air to the burner, the annularly disposed air inlets having passages inclined to the longitudinal axis of the furnace to impart a swirling motion to air passing through the passages for the purpose of mixing with and evenly distributing the gaseous flame from the burner to enable combustion to be effected without any tendency to local chilling. In the furnace shown used for a grass &c. drier fuel oil issuing from the burner 5 is burnt in the refractory 2 lined combustion chamber 3 air for ignition purposes entering through a controlled inlet 7 whilst the main combustion air enters through an annular passage 8 formed between the lining 2 and a refractory ring 6 surrounding the burner. The burner is mounted on a front plate 4 provided with openings corresponding to both the inlet 7 and passage 8 and to this plate is secured an annular metal casing 9 which is so provided with vanes 11 that air passing through the casing into the passage 8 is given a swirling motion. The chamber 3 is surrounded by an air heating jacket 18 the air heated therein mixing with the combustion gases as they issue from the end 20. In a modification the vanes 11 may be fitted in the passage 8 as shown at 14 in Fig. 1. In another form the refractory 6 may be extended to the lining 2 and be moulded with inclined passages 15, Fig. 5, the plate 4 having corresponding openings 16. Again the plate 4 may seal off the external end of the passage 8 and the chamber casing 1 and lining 2 provided with tangential air inlets 17, Fig. 7. In either of the two latter examples metal tubes may be used in place of the moulded passages 15, 17, and in any of the examples the admission of air to the vanes or passages may be controlled by a revolving shutter. Specification 689,096, [Group XIII], is referred to.
Patent GB-1338451-A (GB)
Title: Drains
IPC: E02D3/10
Filed: 1971-06-29
Abstract: 1338451 Drainage PERSTORP AB and OREBRO PAPPERSBRUKS AB 29 June 1971 [10 July 1970 26 Feb 1971] 30476/71 Heading A1B A drain for use in soils having low water permeability comprises a structure 11 having waved or corrugated surfaces of which at least one surface is so covered by a filtrating, water permeable, sheet like material 12, such as paper, that drainage channels 13 are formed between the structure and the sheet like material.
Patent GB-161233-A (GB)
Title: An improved device for turning the leaves of music or the like
IPC: B42D9/06
Filed: 1919-12-05
Abstract: 161,233. Gr³nfeld, B. Dec. 5, 1919. No Patent granted (Sealing fee not paid). Leaf-turners.-In a leaf-turner of the type in which a spring-controlled lever arm of adjustable length is provided at its free end with a magnet adapted to adhere to a magnetic clip secured to the leaf, and is operated by a pedal, the lever arm comprises three arms g, k, o adjustable relatively to each other by screw and slot connections, the arm g being mounted on an inclined spindle f so that the magnet on the arm o moves in a plane slightly inclined to the horizontal. The spindle f, Fig. 2, is mounted in lugs u in a frame adjustably mounted in a plate w by means of screws adapted to slide in curved slots y in the plate w so that the inclination of the spindle f may be adjusted. The spindle, is rotated by a cord 11 secured to, and wound round, a pulley z mounted thereon, the cord 11 passing round a pulley 12 on the frame to a pedal 11<a> or other operating means. Spring clips or buffers 15 are mounted on the frame at each end of the travel of the arm g to reduce jarring &c. The clip r, Fig. 5, on the leaf comprises a strip 17 of magnetic material and a strip 18 of non-magnetic material secured by a rivet 19.
Patent GB-1015504-A (GB)
Title: Frequency conversion systems
IPC: H03K3/315
Filed: 1962-08-09
Abstract: 1,015,504. Tunnel-diode frequency-changing circuits. WESTERN ELECTRIC CO. Inc. Aug. 9, 1962 [Aug. 25, 1961], No. 30513/62. Heading H3T. In a frequency-changer for converting an incoming signal to an intermediate frequency comprising an input-signal circuit tuned to the frequency of the incoming signal and an output circuit to which signals of intermediate frequency are delivered coupled together by a. tunnel diode biased on to the negative-resistance portion of its characteristic and forming together with a circuit tuned to a local-oscillator frequency a source of local oscillations, the local oscillations modulating the negative resistance presented by the tunnel diode so that sum and difference-frequency signals are produced in the output circuit, the noise figure of the circuit is set to a minimum value by selecting the effective resistances of the input-signal circuit at the incoming frequency and of the localoscillator circuit at the local-oscillator frequency to be substantially equal. It is shown that for a minimum noise figure the resistance of the input circuit should be equal in magnitude to the negative resistance of the tunnel diode; this latter must be equal in magnitude to the resistance of the local oscillator circuit for oscillations to the maintained. The local oscillator is operated at one half the difference or sum frequencies of the incoming and intermediate frequencies; by biasing the tunnel diode to the middle of the negative-resistance part of its characteristic, the tunnel-diode resistance is modulated at twice .the localoscillator frequency rate so that the intermediate frequency appears as a difference frequency. In order to ensure oscillation at the local-oscillator frequency rather than the signal frequency, the resistance of the localoscillator circuit is made slightly greater than that of the input circuit. In the circuit shown the input circuit comprises a length of transmission line 22 of characteristic impedance G and a further transmission line 23 one halfwavelength long at signal frequency and of characteristic impedance nG, coupled through a capacitor 40 to an inductor 25 and a quarterwave stub 26 terminated in a trimmer capacitor 27. The local-oscillator circuit comprises an inductor 25 and a quarter-wave stub 37 terminated in a trimmer capacitor 28. Tunnel diode 20 is connected in parallel with inductor 25 and stubs 26, 37 and intermediate-frequency signals developed across the diode are selected by low-pass filter 32, 33 and passed to amplifier 29 and utilization circuit 30. Tuning to the desired signal and local-oscillator frequencies is achieved by adjustment of capacitors 27, 28, 40 and equality of resistances presented by the signal and local-oscillator circuits is obtained by appropriate selection of n in relation to the length 23 of transmission line.
Patent GB-921136-A (GB)
Title: Improvements relating to silver compounds
IPC: C01G5/00
Filed: 1959-09-08
Abstract: 921,136. Preparing silver oxide electrolytically. YARDNEY INTERNATIONAL CORPORATION. Sept. 8, 1959 [Sept. 8, 1958; Dec. 22, 1958], No. 30659/59. Class 41. Silver oxide is prepared in a pure and finely divided form electrolytically using a silver anode and an inert cathode in separate compartments, an electrolyte surrounding the anode consisting of an alkali metal salt forming soluble silver salts, e.g. sodium acetate or nitrate, whereby silver oxide is precipitated in the anode cell. The. stainless steel or other inert cathode 104 is surrounded by a porous cup 113 containing alkali hydroxide solution at a level about 1 cm. higher than the level of the alkali salt electrolyte to maintain a hydrostatic head, whereby anions are prevented from reaching the reducing zone in the cathode area. The anode cell 101 is separated from the cathode cell 102 by a porous diaphragm 110, and is provided with a sloping bottom 101a, and the silver oxide formed from the pure silver anodes 103 falls to the bottom and passes towards a valved outlet 112. The Ag 2 O is then washed and dried. It is in finely powdered form, 0.7 to 1.2 microns, and may be used for manufacture of silver electrodes, or as a source for making pure silver salts of organic or inorganic acids.
Patent GB-484914-A (GB)
Title: Improvements in and relating to toasting grillers or like apparatus
IPC: A47J37/06
Filed: 1936-11-10
Abstract: 484,914. Grilling and toasting appliances; roasting chestnuts. BRIDGELAND, P. Nov. 10, 1936, No. 30709. [Class 28 (i)] A. toasting or grilling device comprises a frame b with wires a threaded through holes therein, the said wires being bent upwardly at c to form retaining members for the food. The wires a are joined by a bar d and may be revoluble in the frame so that they may be swung towards, or away from, the face of the frame to accommodate articles of various thickness. The wires a may be arranged in two groups, each having a bar d, so that the groups may be swung in opposite directions. The end wires a are bent. inwardly at e. The frame b is attached. to the handle by a ball joint g, h, the ball g being on a stem f screwed into the frame. The claw h is formed by bent wires surrounded by a sliding sleeve j which is moved towards the joint to clamp it. A drip pan may be permanently or removably secured to the bottom of the frame b. When the pan is removable, accidental displacement thereof is prevented by a wire k engaging the front inside edge. The device may be used for roasting chestnuts.
Patent GB-898328-A (GB)
Title: Improvements in photographic processing baths
IPC: G03C5/38
Filed: 1958-09-26
Abstract: 898,328. Photographic developing and stabilizing compositions. KODAK Ltd. Sept. 26, 1958 [Sept. 30, 1957], No. 30769/58. Class 98(2). A photographic developing composition producing stable silver images without fixing and washing, especially for print-out and direct positive materials, comprises an aqueous alkaline solution of a hydroxylamine or a 3-pyrazolidone developing agent and one of the compounds monothioglycerol, thioglycol, B-mercaptoethylamine, N: N-diethyl-B-mercaptoethylamine and 2-thiobarbituric acid. In Example 1 specified proportions of 1-phenyl-3-pyrazolidone, sodium sulphite, sodium carbonate, sodium hydroxide, 1-ascorbic acid and monothioglycerol provide a formula for processing time of 30 to 90 seconds with direct positive paper to give prints unaffected on exposure to ultraviolet radiation. Example 2 specifies hydroxylamine hydrochloride, monothioglycerol, sodium hydroxide and 5-methyl benzotriazole for similar use, and this composition may be applied to an unexposed emulsion layer for a few seconds immediately before exposure for stable print production without subsequent treatment. Examples 3-7 are generally similar. 26 of the pyrazolidones are listed. Specifications 631,184 and 693,632 are referred to. Reference has been directed by the Comptroller to Specification 542,502.
Patent GB-1384143-A (GB)
Title: Process for manufacturing hydrogenated polymers from conju gated diolefins
IPC: C08C19/02
Filed: 1972-06-30
Abstract: 1384143 Hydrogenated diene polymers INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS 30 June 1972 [5 July 1971] 30825/72 Heading C3P Hydrogenated conjugated diene polymers are prepared by a two-stage process comprising (1) polymerizing the diene in solution, in the absence of an organometallic reducing agent, and in the presence of a transition metal compound of formula where X is halogen, n is 0, 1, 2 or 3, M is a Group IV to VIII transition metal, R<SP>11</SP> is hydride, halogen, hydrooarbyl or carbonyl, m is 1-5, L is a Lewis base containing at least one ether, alcohol or ketone group, p is 0-4, and q is an integer; and (2) reacting the solution from step (1) containing residual catalyst, with hydrogen in the additional presence of a metallic reducing agent of formula R<SP>1</SP> m <SP>1</SP>M<SP>1</SP>X<SP>1</SP> n <SP>1</SP>, M<SP>1</SP>AlH p <SP>1</SP>X<SP>1</SP> 4-p <SP>1</SP> or R<SP>1</SP> q <SP>1</SP>M<SP>1</SP> in which R<SP>1</SP> is an aromatic, saturated aliphatic or saturated cycloaliphatic hydrocarbon radical or a combination thereof, having 1-20 carbon atoms, m<SP>1</SP> is 1-3, M<SP>1</SP> is Al, Zn, Li, Na or Mg, X<SP>1</SP> is halogen, R, OR, NR 2 , or NHR, where R is a monovalent hydrocarbon radical, n<SP>1</SP> is 0-2, p<SP>1</SP> is 0-4 and q<SP>1</SP>, which is equal to the valence of the metal M<SP>1</SP>, is 1-3. Prior to stage (2) the residual catalyst may be modified by adding a complexing agent for the transition metal, e.g. acetylacetone, a carboxylic acid or an amine such as pyridine. Under certain conditions the hydrogenation may be selective to 1,2-units. All the examples start from 1,3-butadiene in toluene or n-heptane solution, the catalyst for stage (1) being one of the following and the reducing agent added for stage (2) being triethylaluminium, butyl lithium or lithium aluminium hydride. In Example 4 further stage (1) catalyst is also added for stage (2).
Patent GB-664133-A (GB)
Title: Hydrocarbon tin alcoholates
IPC: C07F7/22
Filed: 1949-12-01
Abstract: Hydrocarbon tin alcoholates are prepared by heating a di-hydrocarbon tin oxide with an alcohol.  The alcohol may be an unsaturated aliphatic or unsaturated aromatic alcohol, or may be a monohydric or polyhydric alcohol, e.g. the polyhydric alcohol may contain 2 to 5 carbon atoms and 2 to 4 hydroxyl groups.  The hydrocarbon group may be the methyl, ethyl, isopropyl, butyl, 2-ethylbutyl, 2-ethylhexyl, phenyl or toluyl group.  In the examples, di-n-butyl tin oxide is reacted with ethylene glycol and diethylene glycol, and allyl, n-butyl, benzyl, furfuryl and decyl alcohols, and pentaerythritol.
Patent GB-929660-A (GB)
Title: Manufacture of ammonium chloride
Inventor: BROOKS RICHARD
IPC: C01D7/18
Filed: 1960-09-07
Abstract: Ammonium chloride is obtained from ammonia-soda tower liquor containing sodium and ammonium chlorides by adding NH3 followed by solid NaCl in an amount in excess of that required to saturate the liquor by no more than 5 parts NaCl per 100 parts liquor, cooling, and separating NH4Cl crystals.  The liquor may be at 15 DEG -20 DEG C. and cooled to-10 DEG  to-12 DEG C., or may be heated to 35 DEG -40 DEG C. before the NaCl addition.  The NH4Cl produced contains less than 0,25% NaCl.
Patent GB-1071405-A (GB)
Title: Improvements in or relating to pest control
IPC: A01N25/00
Filed: 1964-08-04
Abstract: Animals are sterilized by administering thereto during the first third of their sexual maturing period a compound of the general formula:  <FORM:1071405/A5-A6/1> wherein R is an alkyl or aryl hydrocarbon radical having less than 8 carbon atoms and R1 is a hydrogen atom or an acyl group containing less than 12 carbon atoms. The compounds may be administered parenterally, orally, e.g. mixed with a feed or bait or as a pill, tablet or capsule) or as a suppository, or they may be administered to the lactating mother in a quantity to impart the requisite dose in the milk to the young.
Patent GB-535721-A (GB)
Title: Improvements relating to tractors for agricultural machines
IPC: B60D1/46
Filed: 1939-11-28
Abstract: 535,721. Couplings for vehicles. COX, L. R. Nov. 28, 1939, No. 30940. [Class 103 (v)] The draw-bar of an agricultural machine is adapted to be lifted to facilitate coupling the bar to that of a tractor by a winch provided on the draw-bar of the tractor. The winch drum 12 is mounted in arms 10 extending from a post 9 adapted to telescope into a post 1 secured by collar 2 and nut 6 in one of a series of holes 4 in the tractor draw-bar 5. By means of a collar 7 secured by a set-screw to the post 9, this post can be adjusted in height. The hook 16 of the winch chain can be engaged in a hole in the draw-bar of the machine or the chain can be wrapped round the draw-bar. A detent pawl 14 and a crank 13 are provided for the drum 12.
Patent GB-536649-A (GB)
Title: Apparatus for the production of aerated or gasified spray or foam
IPC: A61H33/02
Filed: 1939-11-28
Abstract: 536,649. Aerating liquids; baths. WILLIS, F. W., and SIMPSON, A. Nov. 28, 1939, No. 30942. [Class 14 (i)] [Also in Group I] Apparatus for producing an aerated solution or foam for example from soap and water and especially for attachment to a bath has means for dissociating the soap &c. from the water when the apparatus is not in use to produce the foam in order to prevent waste of the soap &c. The latter is contained in a tray 60 in the hinged lid 46 of the mixing chamber 6 adapted to be supplied with hot or cold water through a conduit 64a leading from a valve casing 63 which is served with hot or cold water by pipes 61, 62 and which has a valve body 68 controlled by a handle 51 and having ports adapted to lead the water direct to a pipe 41 and spray arms 36 or to the mixing chamber 6 and so to the pipe 41 when foam is required. The valve casing 63 has ports 61a, 62a for the hot and cold water inlets, port 64 and conduit 64a leading to the end of the soap box. Another port 65 and passages 65a communicate direct with pipe 41 and a further port 66 communicates with a pipe 66a leading to near the foot of the tank 31 admitting water thereto for displacing air therefrom through the passage 76 to the mixing chamber 6 for producing the foam. The valve body 68 has a number of ports &c. 68a ... 68e and may be moved by handle 51 in a number of positions A ... E of which C is the off position. With the handle at D hot water entering port 61a passes through port 68d into the interior 68a and thence through port 68b to port 65 and direct to pipe 41 thus supplying hot water to the spray arms 36. Similarly in position E cold water entering port 62a passes direct to the spray arms. Movement of the handle 51 to positions B or A brings the mixing chamber 6 into operation water passing round the scroll passage 68f out of port 66 to the bottom of displacement tank 31 causing air to enter the mixing chamber 6 through passage 76, water also passing through port 64 and conduit 64a to the mixing chamber 6 and mixing with the air round the soap to produce foam which passes through pipes 67, 41 to the spray arms. The hinged lid 46 of the mixing chamber is held closed whilst foam is being produced by a roller 50 on the handle 51 engaging an arm 49 on the lid but when the handle is moved to non foam positions lid 46 is lifted by a counterweight 57 which dissociates the soap in the tray 60 from the water. An extension 70 of the handle 51 operates the drain plug 71 of the displacement tank 31 through link and lever 11a, 71a and also a link 72 and pointer 75 indicating the positions A ... E; a stop 72a on the link 72 coacts with a projection 56a on the weight supporting link 56 to prevent movement of the handle to the foam position without the lid 46 having first been depressed by hand.
Patent GB-154077-A (GB)
Title: Improvements in or relating to a process and apparatus for use in the manufacture ofmoulds
IPC: B21K5/20
Filed: 1919-12-10
Abstract: 154,077. Gray, C. H. Dec. 10, 1919. Mould-heating frames; cooling charges.-A furnace for use in heating a mould of soft metal to free it from the punch or die that has produced the impression is shown in Fig. 1. The mould 3 with the die 10 in it is supported within a muffle on a flanged tube 5, and a water jet is applied to the cavity 9 of the die by a tube 8, passing up through a splashguard 7 and the tube 5. The tube 8 is carried by a balanced lever 11, being fiexibly connected to a source of supply at 15. A cylinder 16, drilled to pass the tube 15, forms a splashguard for the operator. The hook 14 may be engaged with the frame as shown by dotted lines, to maintain the tube 8 in its lowered position.
Patent GB-1393618-A (GB)
Title: Wrenching
IPC: B25B23/00
Filed: 1972-07-03
Abstract: 1393618 Wrenches N-S-W CORP 3 July 1972 31021/72 Heading B3N Apparatus for turning adjacent threaded connectors 14, comprises a first member 18 adapted to be supported by one of said connectors and a wrench 41, pressure fluid operable means 45 supported by said first member and ratchet means, plate 26 and pawl 31, for incremental adjustment of the separation of the points of action and reaction of said pressure fluid operable means on said wrench and on said first member respectively. In operation high fluid pressure is applied along pipe 50 to extend piston-rod 47. At the end of the stroke the fluid pressure is turned off and low air pressure in pipe 51 returns piston 46 to its starting position. Pawl 31 is biased by spring 32 and during retraction plate 26 is caused to rotate such that the pawl moves from notch 27a to 27b. Fig. 1 shows the pressure system whereby actuation of lever 55 causes air pressure to move piston 60 which moves piston 62 to give the high hydraulic pressure in line 50. Gauge 57 can give an indication of the torque being applied. Fig. 7 shows another embodiment where the ratchet means is an extension 89 on wrench 88 and the pawl is a pin 85 in an extension 84 on piston-rod 82.
Patent GB-633208-A (GB)
Title: Improvements in or relating to floor and roof structures
IPC: E04B5/23
Filed: 1947-11-24
Abstract: 633,208. Floors ; roofs ; beams. BLACKBURN, J. Nov. 24, 1947, No. 31028. [Class 20 (iv)] A floor or roof structure has a plurality of T-section concrete beams 32, Fig. 1, laid in parallel relationship and supported in position by. extensions 6 of their flanges 4 and a covering layer of concrete 10 cast in situ, reinforced by welded metal fabric 11  and keyed to the beams by undercut grooves 7 (Fig. 2) or projections provided on the flanges 4. The beams are preferably reinforced by rods 31 and have apertures 12 formed in their webs 5. As shown in Fig. 2 the beams are laid side by side and ceiling slabs 14 are supported by ribs 13 formed on the webs 5. In a modification the beams may be spaced apart and filler slabs laid between the flanges of the beams or the space may be filled by the covering layer of concrete, the ceiling slabs supported at the lower ends of the webs being temporarily propped in a suitable position to act as shuttering. The filler slabs are preferably reinforced and have bevelled edges to co-operate with the bevelled edges 8 of the flanges 4 and grooves or projections to key with the covering layer of concrete.
Patent GB-961837-A (GB)
Title: Lifting caster lockable connection
IPC: B62B1/08
Filed: 1960-09-09
Abstract: 961,837. Hand trucks. M. FIALA, [trading as MARTIN FIALA KOMM.-GES.]. Sept. 9, 1960 [Sept. 23, 1959], No. 31050/60. Heading B7B. A lifting and towing jack 3 has the coupling part 5 pivoted to it on a pin 6 relative movement being prevented when the handle 4 is lowered, by means of a pedal actuated pin 19 engaging the recess 20. The apex 9 of the spherical part 8 is below the upper edge 10 of the surrounding cylindrical part 7.