baber/WOPTO huggingface dataset:
Patent GB-1310943-A (GB)
Title: Alternating copolymer of butadiene and alpha-olefine
IPC: C08F236/04
Filed: 1970-05-12
Abstract: 1310943 Alternating butadiene-α-olefin copolymers MARUZEN PETROCHEMICAL CO Ltd 12 May 1970 [13 May 1969 16 July 1969 24 July 1969 7 Aug 1969 12 Dec 1969 (2)] 22821/70 Heading C3P Alternating copolymers of butadiene and (1) an alpha-olefin are obtained by copolymerization in the presence of a catalyst comprising (2) a trihydrocarbyl aluminium, (3) a titanium tetrahalide and, optionally, (4) a carbonylgroup containing compound, phosgene, a metal carbonyl, a metal carbonate or CO 2 , and/or (5) a halogen, certain halogen compounds, or a metal- or metalloid-oxide. If components (2) and (3) only are employed, (2) must have at least one radical which is not C 1  or C 2  alkyl and temperatures below 0 C. must be employed. Molar ratios of (2) to (3) of above 1À5 must be employed in all cases. The products suitably have a cis- 1,4 content of 6 to 38%. In examples, the reactants are butadiene and (1) propylene, 4-methyl-pentene-1, styrene, butene-1 (including a B-B fraction), (2) iBu 3 Al and Et 3 Al, (3) TiCl 4 , TiBr 4  and TiI 4 , (4) typically 2-chloroethyl benzoate, benzophenone, isobutyl aldehyde, benzoyl chloride, isobutyric acid, benzoic acid, monochloroacetic acid, maleic acid anhydride, acetone, diethyl malonate, ethylacetate, benzaldehyde, acetic acid anhydride, propionic acid, hexacarbonyl molybdenum, tin oxalate, aluminium acetylaoetone, azodicarbonamide, phenyl urethane, glycolic acid, CO 2 , benzoyl peroxide, COS, polyvinyl acetate, diketene, sodium carbonate, and and (5) typically, alumina, vanadium pentoxide, I 2 , AlCl 3 .OEt 2 , SnCl 4 , t-BuCl, EtAlCl 2 , BF 3 .Et 2 O, HgCl 2 -pyridine and BiCl 3 .OEt 2 .
Patent GB-736835-A (GB)
Title: Improvements in or relating to blading for axial flow turbo-engines
IPC: F01D5/14
Filed: 1953-08-19
Abstract: 736,835. Turbine blades. MASCHINENFABRIK AUGSBURG-NURNBERG AKT.- GES. Aug. 19, 1953 [Sept. 11, 1952], No. 22920/53. Class 110 (3). [Also in Group XXXIII] An unshrouded axial flow turbine blade has at least one aperture in that zone of the blade near the rotor hub wall or the turbine casing, the flow near such zones being subject to an edge effect, through which aperture a portion of the operating medium is intended to be guided from the high energy side of the blade to the low energy side. Fig. 2 shows a blade 5 with a slot 6 inclined from the radial direction towards the direction of rotation, and having parallel walls 7, 8. The slot is preferably onefifth of the blade height, and may be orientated in the radial direction. A cross-section is shown in Fig. 4, where the outlet of the slot is preferably situated at the end c of that portion a-b-c-d of the flow channel bounded by adjacent blades. The slot 13 may have parallel sides or form a convergent nozzle as shown. The apertures may take the form of diagonal bores 22 (Fig. 5) starting from a position remote from the root or tip on the high energy side and finishing at a position close to the root or tip on the low energy side.
Patent GB-265097-A (GB)
Title: Improvements in folding food safes
IPC: A47B71/00
Filed: 1926-09-17
Abstract: 265,097. Axten, C. J., and Long, A. T. Sept. 17, 1926. Meat safes.-In a folding meat safe comprising cloth net, cotton gauze, or similar collapsable material x covering wire or like frames 1 - - 7 which are pivotally attached to top and bottom discs or the like 8, 10, some of the frames are so shaped or are supplied with means for supporting one or more preferably removable shelves which do not interfere with the opening or closing of the safe by means of adjacent frames 1, 7 which releasably engage each other at 11. In the form shown, the frames 2, 4, 6 are bent at 12 to receive the edge of a strip-metal shelf 13 of trefoil outline, but the shelf may comprise a disc of three-ply wood secured by screws to circular looped portions on the frames. The safe may be hung by means of a hook 9, and the frames may be downwardly extended as at 14 to provide a steady supporting base.
Patent GB-160435-A (GB)
Title: Process for unhairing skins and hides
IPC: C14C1/06
Filed: 1920-08-04
Abstract: 160,435. Rautenstrauch, W. May 9, 1919, [Convention date]. Treatment preliminary to tanning.-Hides and skins are depilated in a barium or strontium hydroxide bath enriched with hide parings, waste, &c., or like albuminous matter, so that the albuminous matter absorbed by the hide from the bath balances or exceeds the loss of hide substance during depilation. The hydroxide is stated to prevent putrefaction of the albuminous matter. A lime bath may be similarly augmented but in this case a suitable disinfectant such as creosote is added.
Patent GB-326743-A (GB)
Title: Improvements in sewing machines
IPC: D05B35/02
Filed: 1929-07-26
Abstract: 326,743. Willcox & Gibbs Sewing Machine Co., Ltd., (Willcox & Gibbs Sewing Machine Co.). July 26, 1929. Trimming or cutting; presser-bars; presser-feet. -In machines for uniting the edge portions of fabric, means are provided for turning one trimmed edge under another, which means only operates between the feeding movements of the feed-dogs. The invention is illustrated as applied. to a four-needle Flatlock seaming machine. The usual leger blade 36 is adjustably secured in the, known way to one bifurcation 61 of the presserfoot 60. The moving-blade 35 is clamped to a block 66 at the end of an arm 34 secured to a sleeve 31 on the presser-bar 27. This sleeve has an arm 39 connected to a pitman so linked to the machine mechanism that the arm 34 swings only at the intervals between the work-jogging-movements of the feed-dogs 25, 26. The pusher 80 for ensuring that one edge is placed below the other is secured to the same block 66 as the blade 35, and both work through slots in the other bifurcation 62 of the presser-foot. By these means, the feed occurs when no drag is applied to the edges by positioning or cutting, so ensuring a uniform seam. A guide 70 is pivoted to the presserfoot to deflect the trimmed-off portions of the fabric away from the needles. The sleeve 31 also actuates a cross-thread carrier 49 through linkage 40, 41, 42, 45, 47.
Patent GB-1167280-A (GB)
Title: A Process for the Preparation of 1,2-Dichloroethane or Vinyl Chloride
Inventor: DAM JOHANNES VAN
IPC: C07C21/06
Filed: 1968-05-15
Abstract: 1,167,280. Preparation of 1,2-dichloroethane and vinyl chloride. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 15 May, 1968 [17 May, 1967], No. 23067/68. Heading C2C. 1,2-Dichloroethane is prepared in two stages by oxychlorination of ethylene in a first stage usually at 200-300‹ C. to give 30-65% molar conversion of C 2 H 4  into CH 2 Cl.CH 2 Cl and chlorination by Cl 2  of the remaining C 2 H 4  in a second stage, a catalyst being used in the first stage comprising (a) at least one copper chloride, (b) at least one chloride of a rare earth metal or of Sc, Y, Zr, Th or U, and (c) at least one alkali metal chloride, the atomic ratio of rare earth metal(s) to copper being at least 0À1 : 1. The catalyst may be supported by a porous carrier material and the oxychlorination stage may be carried out in a fluidized catalyst bed. Vinyl chloride is prepared by a three-step integrated process by (1) oxychlorination of C 2 H 4  to obtain 30-65% molar conversion into CH 2 Cl. CH 2 Cl; (2) chlorination of the remaining C 2 H 4  by C1 2 ; and (3) pyrolysis of 1,2-dichloroethane, the HCl from the final step being recycled to the first step and chlorine losses being compensated by addition of Cl 2  and/or HCl and O 2  in the first step and/or Cl 2  in the second step. The oxychlorination step is usually carried out using the catalyst above.
Patent GB-600043-A (GB)
Title: Improvements in apparatus for making metal pipes of small diameter by centrifugal casting
IPC: B22D13/02
Filed: 1945-09-07
Abstract: 600,043. Casting-machines. SOC. ANON. DES HAUTS-FOURNEAUX & FONDERIES DE PONT-A-MOUSSON. Sept. 7, 1945, No. 23107. Convention date, Dec. 23, 1943. [Class 83 (i)] Metal-pouring.-In a centrifugal machine, for casting pipes of small diameter, e.g. less than 4 c.m., that part of the feeding channel within the mould rests thereon throughout its length. The mould may be imperfectly centred to assist flow by vibrating the channel and this may have projections of tungsten carbide or other hard metal to engage the mould surface. The length and thickness of the pipe may be determined by an end ring 17 which may have a portion 59, Fig. 4, to penetrate the mould 8 slightly and may be placed in position directly after the channel 11 leaves the mould. This may be done by electric or fluid-pressure or mechanical means. The mould 8 rotates in a casing 5 which is moved axially to the left, during pouring, on rails 7. When it reaches the position shown, a roller 22, on an arm 21 of a shaft 14, engages a pivoted cam 23 and thus rotates the shaft to swing the ring 17 into a position coaxial with the mould, a spring 32 then moving the ring axially to engage the portion 59 therein. The mould meanwhile has moved off the channel 11 and the flowing metal, momentarily interrupted, passes through the ring to complete the pipe. When the roller 22 passes beyond the end 24 of the cam 23, a projection 40 on the casing 5 engages the lever of a spring-returned valve 39 to admit fluid to a cylinder 38 and move its piston-rod 37 down. An arm 36 thereof engages an arm 35 of a sleeve 29, on the shaft 14, and rotates it, thus moving the shaft to the right, by reason of a pin and inclined slot connection 30, and releasing the ring 17 from the mould. Further rotation of the sleeve, when the pin 31 reaches the end of its slot, causes the ring 17 to rise to its normal position. The cast pipe is then removed from the mould and this is returned to the right, the roller 22 passing under the cam 23, which it lifts off its support 25 in passing, and the projection 40 releasing the lever 140 so that the rod 37 returns to its normal position. To permit the ring 17 to rotate freely with the mould, it is mounted in its support 16 by a ball-bearing 51, lubricated at 71. The joint 81, connecting the shaft 14 to the arm 15, includes devices to allow adjustment of the ring axially and in the direction of the arm 15. A valve 31, between the valve 39 and the cylinder 38 is adjusted to regulate the movement of the rod 37 so that the ring 17 is not withdrawn until the cast metal is sufficiently solid, but the ring is not gripped by contraction of the mould. If desired, the channel 11 may be arranged to move axially and the casing 5 remains fixed. Moulds.-The end ring 17 has an annular passage 66, Fig. 4, for cooling water.
Patent GB-1028752-A (GB)
Title: A method of joining fabrics and apparatus therefor
Inventor: ASHWORTH JAMES HARTLEY
IPC: D05B93/00
Filed: 1961-06-27
Abstract: 1,028,752. Sewing machines. GIBSON BROS. (HEBDEN BRIDGE) Ltd. July 31, 1962 [June 27, 1961], No. 23145/61. Heading D1G. Two lengths of textile, such as carpet, are placed back to back and sewn together by loose overedge stitching to permit the two lengths to be opened out to lie end to end. Carpet ends are sewn together by apparatus comprising a frame, and a sewing machine adapted for overedge stitching together the ends of carpet lengths laid back to back, and being mounted for traversing along the frame. A sewing machine 10, mounted for travelling on a frame 12, has an eyed needle 14 and a hooked needle 16 co-operating with upper and lower unthreaded loopers to sew an overedge seam about the aligned and superposed edges of carpet lengths 94, 96, the edges being located between the needles to produce loose stitching. A fixed upper abutment 24, Fig. 6 (not shown), is positioned adjacent to the path of movement of the hooked needle 16 to retain the loop cast from the latter. A lower guide member 100, Fig 6, provided to close the hook of needle 16 while the latter passes through the previously formed loop, is associated with an abutment adapted to prevent bending of the needle and also to support the previously formed loop. Machine 10 is mounted on a bed 26 provided with rollers 34 engaging tracks 36 on frame 12. A bar 44, carried by frame 12 is embraced by a pair of rollers depending from base 26, and is also embraced by a pair of brake shoes carried by respective spindle 52 screwed through blocks 50 depending from base 26. The machine is driven by a motor mounted on bed 26. A lever 64, oscillated by an eccentric on the drive shaft, carries a pawl co-operating with a ratchet wheel 68 rigid with a sprocket 72 which engages a chain 74 extending along frame 12, whereby the machine moves step by step along the latter. The work is held by spikes 84 which enter holes in a work support 90 and which are carried by plates 83 connected by slidable bars 80 to crank 78 on a shaft 76 adapted to be rotated by handles 86 for raising and lowering spikes 84.
Patent GB-1410319-A (GB)
Title: 6-aza-3h-1,4-benzodiazepines
IPC: C07D471/04
Filed: 1974-05-24
Abstract: 1410319 Pyridodiazepines DEUTSCHE GOLDUND SILBERSCHIEDEANSTALT 24 May 1974 [25 May 1973] 23308/74 Heading C2C Compounds of the general formula (n=1-4; R<SP>1</SP>=OH, C 1-6  alkyl or alkoxy, NH 2 , Ph optionally substituted by one or two radicals selected from C 1-6  alkyl and alkoxy, CF 3 , F, Cl; A=O, S, NH, C 1-6  alkylimino or (R<SP>1</SP>=Ph or substituted Ph) two C 1-6  alkoxy groups or a C 2-4  alkylenedioxy group, or CAR<SP>1</SP>=CN; B = O, S, NH, C 1-6  alkylimino; R<SP>2</SP> = H, OH, C 1-6  alkyl or alkoxy, O(CH 2 ) n CAR<SP>1</SP>; N o =N, N#O; R<SP>3,4</SP>=H, F, Cl, CF 3 , C 1-6  alkyl or alkoxy), the corresponding compounds in which the group CBCHR<SP>2</SP> is present in the form CBR<SP>2</SP>=CH, and their salts are prepared by standard methods, e.g. introducing the 1-substituent or ring-closing an appropriately substituted aminopyridophenone. The preparation of 2-benzoyl-3-trifluoroacetamido-6-chloropyridine and 2-benzoyl-3-carbethoxymethylamino-6-chloropyridine is described. The above compounds are psychosedatives, axiolytics, spasmolytics, antipsychotics and antiphlogistic agents, and may be administered in the form of pharmaceutical and veterinary preparations containing them in association with a carrier.
Patent GB-631319-A (GB)
Title: An improved production of gaseous and liquid fuels from carbonaceous materials
IPC: C01B3/22
Filed: 1946-08-06
Abstract: A process wherein solid carbonaceous materials are converted into liquid and gaseous fuels and in which the relative production of either fuel is co-ordinated to the seasonal demand for fuel gas and motor fuel, comprises subjecting the carbonaceous material to a treatment comprising a gasification reaction with steam to produce gases containing CO and H2 which are converted by a catalytic treatment into normally liquid hydrocarbons and a tail gas, liquid hydrocarbons are recovered and some of the tail gas is treated, e.g. by washing to remove CO2 to render the gas suitable for use as a fuel gas and a portion determined by the demand for fuel gas is re-cycled to the gasification step where it may be used as a source of heat for the process or be passed through the generator either to crack the residual hydrocarbons in the tail gas to form additional quantities of CO and H2 or to pass through the fuel bed substantially unchanged and to modify the composition of the gases containing CO and H2. The choice and age of the catalyst and the conditions under which the synthesis is carried out affords an additional means of controlling the liquid-gaseous fuel production.  The usual synthesis catalysts, e.g. iron or cobalt, may be used at temperatures ranging from 350-800 DEG  F. and pressures ranging from 1-50 atmospheres.  The liquid synthetic products may be refined by any conventional method.
Patent GB-1189136-A (GB)
Title: Rotor Head for a Mechanically Driven Helicopter
Inventor: BRUEL ANDRE
IPC: B64C27/32
Filed: 1969-10-17
Abstract: 1,189,136. Helicopter rotor. COSTRUZIONI AERONAUTICHE GIOVANNI AGUSTA S.p.A. 17 Oct., 1969, No. 23363/67. Heading B7W. [Also in Division F2] A hub for a mechanically driven helicopter rotor comprises laminated ties 4 connected at their outboard ends to blade attachment members 1 and at their inboard ends to parallel sleeves 3 normal to the axes both of the ties and of rotation, the sleeves 3 comprising part of a central frame transmitting drive to the blades. Blade pitch is variable as members 2 are rotatable about axes radial of the rotor.
Patent GB-243677-A (GB)
Title: A process for the production of sodium bicarbonate and sal ammoniac
IPC: C01D7/18
Filed: 1925-09-21
Abstract: In the modification of the ammonia soda process described in the parent Specification in which ammonium chloride and sodium bicarbonate are alternately precipitated from a mother liquid which also contains a sodium or ammonium salt other than the chloride or carbonate which is more soluble than sodium bicarbonate, thiocyanate of sodium or ammonium is used as the readily soluble salt.  Crude thiocyanates obtained in gas purification processes containing other readily soluble salts such as thiosulphates, sulphates, polythionates, and polysulphides besides organic impurities may be used in place of the pure thiocyanates.  In an example solid ammonium bicarbonate is added to a liquor saturated with sodium and ammonium chlorides and also containing ammonium thiocyanate.  The precipitated sodium bicarbonate is separated, more thiocyanate added if necessary and a quantity of sodium chloride equivalent to the bicarbonate which has been removed then introduced.  On cooling, ammonium chloride is precipitated, leaving a mother liquor ready for a further addition of ammonium bicarbonate.
Patent GB-799343-A (GB)
Title: Preparation of steroid compounds
IPC: C07J75/00
Filed: 1956-07-31
Abstract: D 1,4-3-keto-steroids are obtained by contacting a 3-keto-steroid having conjugated with said keto group one A ring double bond, with selenium dioxide at an elevated temperature in an inert organic solvent.  As starting compounds there may be used cortisone, hydrocortisone, progesterone, desoxycorticosterone, corticosterone, 14-hydroxycortisone, 14-hydroxyhydrocortisone, 14 - hydroxy - 15 - bromocortisone, 14,15 - dihydroxyhydrocortisone, 9a -fluorocortisone, 9a  - bromohydrocorisone, D 6-progesterone, D 14 - dehydrocortisone, D 9(11)-progesterone, 9 - hydroxyhydrocortisone and esters of those compounds having a 21-hydroxy group, e.g. the benzoates, acetates, propionates, butyrates and phthalates.  As solvents there may be used ethylene glycol diethers, phenetole, xylene, dioxane and naphthalene. The addition of pyridine, dimethylaniline, diethylaniline, N - propylaniline, N - propyltoluidine, or dimethyltoluidine prevents decomposition of both the starting compounds and the produc.ts Examples disclose the preparation of D 1,4-pregnadiene - 3,20 - dione - 17a ,21 - diol acetate, D 1-dehydrocortisone acetate, D 1,4 - 9 - chloro-11,17,21 - trihydroxy - pregnadiene - 3,20-dione, D 1,4 - androstadiene - 3,17 - dione, D 1,4,7,22 ergostateraene - 3 - one, and D 1,4 - cholestadiene-3-one.
Patent GB-392591-A (GB)
Title: Improvements in or relating to thermionic valves
IPC: H01J21/02
Filed: 1931-08-21
Abstract: 392,591. Thermionic valves. BULLIMORE, W. R., 22, Highbury Grove, London. Aug. 21, 1931, No. 23578. [Class 39 (i).] A valve has a cathode 1, a control grid 3a, an anode 4 and an auxiliary anode 5 of perforated or grid form mounted between the control grid and anode for the purpose of increasing the mutual conductance, and a connection is made between the two anodes of such a nature that the auxiliary anode is maintained at a lower potential than the anode, and that the whole of the current collected by the auxiliary anode passes through the output circuit; for example, a resistance 10 mounted in the envelope, may be connected between the anodes, and may be of such value that the potential difference between the anodes is not less than 0.5 volt, in which case the current is divided equally between the anodes. The cathode may be of flattened tubular shape and indirectly heated. The anode consists of two trough-shaped plates each having apertures covered by wire mesh 8 to facilitate radiation of heat. The electrodes are spaced at both ends by mica sheets 9.
Patent GB-948845-A (GB)
Title: Improvements in and relating to textile machines
Inventor: MACKIE JOHN KAY PRINGLE
IPC: D01H1/10
Filed: 1961-06-29
Abstract: 948,845. Two-for-one twisters. JAMES MACKIE & SONS Ltd. June 25,1962 [June 29, 1961], No. 23587/61. Heading D1D. In a multi-spindle two-for-one inflow twisting machine, for a number of spindles, the associated take-up means have a common drive, and the flyers also have a common but separated drive, and the drive for the take-up means is variable independently of the flyer drive from outside the balloon, so that the ratio of the take up speed to flyer speed and hence the degree of twist imparted can be varied at all the spindles by a single operation. A motor 35 Fig. 2 drives through changespeed mechanism 39 a shaft 36 carrying pulleys 37, 38. The latter drives the flyers positively through a toothed belt 49, and the former the takeup means through a change-speed device 42 and a toothed butt 45. For each spindle, belt 49 drives a disc-flyer 12 Fig. 1 through a shaft 28 and a pulley 50. Belt 45 drives the take-up through a pulley 44 rotatable on shaft 28 and in one with one of two equal toothed wheels 51, 52. The latter is above the flyer and the two are interconnected by endless toothed belts 56, 58 and equal toothed wheels 53, 54 on a shaft 55 carried by the flyer. Wheel 52 thus lies inside the balloon and is rotatably mounted on a tube 14 and 5 geared to a shaft 62 carrying driving-pinions 64,66 for a pair of feed-rollers 16 and a traverse-scroll 22 reciprocating a guide 20 by which the yarn is laid on a package 18. This is driven from the scroll through a chain-drive 72 and an adjustable slipping clutch 74. The tube is held stationary by an arrangement of gears 52, 82 interconnected by wheels 84, 86 carried by the flyer such as is described in Specification 948, 847; it is mounted in bearings in a member 78 carried by the flyer, and it carries the spindle, scroll, rollers 16 and the drive therefore by a bracket 76. Alternatively conventional magnetic means may be used to immobilize the package. The rollers 16, which may be replaced by haul pulleys, are arranged to give a positive nip and gearing between the spindle and these rollers is so arranged that the clutch 74 always slips so that the spindle is driven only at a speed corresponding to the delivery speed of the rollers. In operation, yarns to be cabled are drawn from packages 2 over a tension 6 to a guide-eye 8 thence between balloon guides 34, 32 to the eye 10 of the flyer and so to the tube 14 and the rollers 16. The take-up speed of all the associated spindles can be varied by adjusting the speed-change device 42 relatively to the flyer speed.
Patent GB-1306412-A (GB)
Title: Method of racemization of optically active amines
IPC: C07C67/00
Filed: 1970-05-15
Abstract: 1306412 Racemizing α,#-diphenylethylamines SUMITOMO CHEMICAL CO Ltd 15 May 1970 [20 May 1969] 23591/70 Heading C2C A method of racemizing an optically active α,#-diphenylethylamine of the formula wherein R 1  and R 2  are independently C 1 -C 4  alkyl groups and m and n are independently 0, 1, 2, 3, 4 or 5 includes heating an optically active said compound at between 100 C. and its boiling point in an inert gas and in the presence of a catalyst for a reduction reaction. Catalysts employed in examples include Raney nickel and palladium charcoal.