baber/WOPTO huggingface dataset:
Patent GB-199470-A (GB)
Title: Improvements in or relating to wood-working machines
IPC: B27B5/20
Filed: 1922-03-23
Abstract: 199,470. Hutchinson, M. March 23, 1922. Circular-saw machines.-Two circular saws 33, 37, for cross cutting and ripping respectively, are mounted on opposite sides of a table 41, adjustable along rails 52 which can be tilted in clamps 54 at the top of screws, vertically adjustable by means of bevel gearing 46 and a hand wheel 49. Gauge stops 58 are mounted on the table for convenience in re-adjusting it to the horizontal. The upper saw 33 with its driving motor 28 is carried on rails 27 at the top of a post 9 which can be rotatably adjusted and clamped by a hand wheel 14. When the post has been swung through a right angle from the position shown, the motor 28 can be used to drive the lower saw 37 as well as a tenoning, grooving or like device 60 of any suitable construction.
Patent GB-452317-A (GB)
Title: Improvements relating to machines having hydraulically operated feeding and clampingmeans
IPC: B23Q5/26
Filed: 1935-03-19
Abstract: 452,317. Fluid - operated milling, drilling, &c. machines. BATEMAN, W. H., 33, Armorial Road, and WICKMAN, Ltd., A. C., Queen Victoria Road, both in Coventry. March 19, 1935, No. 8531. [Class 83 (iii)] [See also Group XXIII] In a drilling, milling, or like machine comprising one or more pressure-fluid cylinders and pistons for feeding the tool or the work, one or more pressure-fluid cylinders and pistons for operating work securing means, a pump for supplying operating fluid to said cylinders and valves for controlling the supply and discharge of fluid to and from the cylinders, a valve is provided whereby fluid is prevented from passing to the feeding cylinder or cylinders until a predetermined fluid pressure has been attained in the other said cylinder or cylinders. As applied to a circular-saw metal-cutting machine, a pump q draws oil from a reservoir r and supplies it through a distributing valve t to a cylinder p containing pistons o, n which, through levers j, k actuate the clamping members h, i for the work c. The pump also supplies through a pipe 2 and distributing valve 4 to a cylinder f containing a piston e for feeding the slide b carrying the saw a. The pipe 2 includes a volume control valve 3 for regulating the rate of feed, a relief valve 7 whereby fluid can be byepassed to the reservoir, and a valve 5 loaded by a spring 6 or weight so that it does not open until the work is securely clamped. To prevent pressure fluid reaching the feeding cylinder when the clamp is released a loaded valve 15 is provided. The cylinder p may control a locking device associated with an indexing mechanism which serves both to move a work piece from one position to another and also to hold the work piece during the cutting operation. Specification 28696 /13, [Class 83 (iii)], is referred to.
Patent GB-220258-A (GB)
Title: Improvements relating to mattresses
IPC: A47C27/00
Filed: 1924-04-04
Abstract: 220,258. Gill, H. A., (Young, T. G.). April 4, 1924. Mattresses.-A mattress has superposed compartments or pockets a, c around its edges. These are formed by strips of fabric d sewn to the top and bottom surfaces b, f of the mattress and strips e disposed midway between those surfaces and secured to the strips d and to the outer edge of the mattress.
Patent GB-549586-A (GB)
Title: Improvements relating to the protection of structural members against fire
IPC: E04B1/94
Filed: 1941-07-07
Abstract: 549,586. Fibrous compositions. DOLBEY, N. L. July 7, 1941, No. 8578. [Class 70] [Also in Groups X and XIII] A steel beam, stanchion of other steel structural member is protected by a porous layer of hydraulic cement mixed with asbestos fibre applied to expanded metal or wire netting closely wrapped around the member. The mixture may contain from 1 to 2 parts by weight of cement to 1 part of asbestos fibre.
Patent GB-800329-A (GB)
Title: Improvements in or relating to electric storage batteries
Inventor: WALKER ROY LAWTON
IPC: H01M50/35
Filed: 1956-03-20
Abstract: 800,329. Batteries. PRITCHETT & GOLD & E.P.S. CO., Ltd. March 12, 1957 [March 20, 1956], No. 8629/56. Class 53. An accumulator is provided with an air-tight lid e above the battery cover b to form a chamber into which gases are vented from the plugs c. The gases are removed from the chamber by a current of air which enters the battery case through a pipe h and leaves by a pipe i. The air also cools the battery cells before reaching the pipe i by being conducted through a pipe j leading to a chamber k communicating with passages l between the cells as shown in Fig. 3. The final passage l leads to a chamber n having a pipe o leading to the chamber above the cover b. Alternatively the arrangement may be such that the incoming air first flows through the top compartment to remove the gases and then between and round the cells to effect cool ing. In another arrangement the pipe h is dispensed with, the battery container being provided in its wall with holes communicating directly with the passages between the cells, the pressure of the air in the outlet pipe i being different from the atmospheric pressure.
Patent GB-781464-A (GB)
Title: Improvements in or relating to photographic cameras
IPC: G03B9/08
Filed: 1954-03-24
Abstract: 781,464. Collapsible photographic cameras. GAUTHIER GES., A. March 24, 1954 [March 26, 1953], No. 8632/54. Class 98(1) A camera having an objective lens retractable through the open aperture of an objective shutter behind the lens is provided with means for opening the shutter irrespective of its adjustment or setting and without operating the normal shutter driving means, adapted to be operated by a movement of the lens different from the focusing movement. As shown, a multiple pivoted blade shutter 3 is housed in the camera body at 2 and the lens tube 5 is carried in an interchangeable mounting 6 which screws into the housing 2. When released, the shutter master member 10 which is held by a latch lever 44 in the set position to which it is moved by anticlockwise rotation of a ring 9 operated for example by the film winding member, reciprocates the blade ring 36 through the usual forked link 42 and pin 36<SP>1</SP> to open and close the shutter. The shutter release comprises a manually operable sleeve which moves a second sleeve bearing a plate 29 carrying arms 29<SP>11</SP>, 29<SP>111</SP>, the arm 29<SP>11</SP> engaging a lug 11' on a rotatable ring 11 for rocking a trigger 12 to release the latch lever 44 and the arm 29<SP>111</SP> through a linkage (Fig. 2, not. shown) opening a focal plane safety shutter comprising a pair of slidable plates 15, 16 which are moved apart vertically. To telescope the lens tube which is locked in its extended picture-taking position by a bayonet joint 7. it is rotated anticlockwise so that one of the catches 7<SP>1</SP> 'frees the clockwise-urged lever 49. whereby its pins 53, 54 successively rotate anticlockwise levers 51, 52 to disengage the forked end of the driving link 42 from the blade ring pin 36<SP>1</SP> and to engage a pin 36<SP>111</SP> on the blade ring to open the shutter against a closing spring 43, the lens tube then being pushed into the camera body through the shutter aperture. The shutter release which drives the ring 11 is simultaneously locked by engagement of a lug 11<SP>11</SP> thereon by the arm 51<SP>11</SP> of the lever 51. In an alternative embodiment, the lever which opens the shutter on telescoping the lens is spaced from the end of the lens tube when this is extended and has a rearward bevel adapted to be engaged by a complementary bevel on the end of the lens tube so that the lever is moved outwardly of the shutter and both the lever disengaging the blade ring driving link and that opening the shutter are engaged by the same pin on the lens tube-engaged lever. A similar lever may be operated by the bevel on the lens tube simultaneously to raise the mirror in a reflex camera on telescoping the lens tube. A pair of viewfinder windows may be provided for use with interchangeable objectives of different focal lengths. Specification 2446/12 [Class 98] is referred to.
Patent GB-229135-A (GB)
Title: Improvements in electrical switches for starting alternating current motors and other uses
IPC: H02K17/30
Filed: 1924-04-07
Abstract: - 229,135. Bunker, A. C. April 7, 1924. ControLlers, rectilinear slider; controllers, actuating.- A change-over starting switch for alternating current motors is constructed with a flat switch-member 28 carrying contacts on both sides and adapted to move between two groups of stationary fingers 13, 20 so as to make the required circuit changes in different positions of the flat switch member. The switch is operated vertically by a solenoid 32 which by means of pawls 34 imparts two successive upward steps to a rod 31, the first step moving the switch-member from ' off ' to starting position, and the second step moving it to full running position. The time interval between the steps is determined by an oil dash-pot 50 containing a slowly moving auxiliary switch-member 51 acting to break and remake the circuit of the solenoid 32. A no-voltage release 59 holds up the rod in both the intermediate and final positions. An oil container 7 for the main switch contacts can be lowered only after removal of an interlocking cover 6, the removal of the cover also opening a safety switch 57 which de-energizes the no-voltage release magnet 55. Starting and stopping press-buttons normally control the whole operation.
Patent GB-554464-A (GB)
Title: Improvements in or relating to methods of preparing fur for felting and aqueous carroting solutions for use in such methods
IPC: D04H1/08
Filed: 1941-07-10
Abstract: 554,464. Furs. CHAPAL DONNER CORPORATION. July 10, 1941. No. 8731. Convention date, July 31, 1940. [Class 76] Furs are carroted bv treatment with a solution containing a chloric acid (includes perchloric), nitric acid and a hydrolysing acid which comprises sulphuric or phosphoric acid. Suitable solutions may contain per litre 20- 260 grams chloric acid, 3-4 grams nitric acid, 3-6 grams sulphuric acid.
Patent GB-254388-A (GB)
Title: An improved method of increasing the nutritive value of food
IPC: A23K1/00
Filed: 1925-04-01
Abstract: 254,388. Daubek, J. F., and Daubek, G. April 1, 1925. Bacteria, cultivating, and preparations for administering.- For increasing the nutritive value of human and animal foodstuffs and waste products of slaughter houses, residues of fish-preserving factories, oleaginous fruits or their residues &c., they are treated with cultures obtained by growing yeast on pentosans in the presence of bacteria, without the addition of sugar, the mass being absorbed by and allowed to act on the foodstuffs or waste products. For extracting the yeast, exudations from tropical trees such as Opuntiae, Acaciae &c. are rinsed in a nutritive salt solution and placed in Pasteur flasks and sterilized extracts of substances such as olives or bran are added; the flasks are brought to a temperature of 38-40‹ C., and at the end of about 72 hours the yeast crop is separated. From these cultures the various species are isolated and then cultivated on pentosans in symbiosis with the stimulating bacteria without the addition of hexose, and the best growths obtained under these conditions are employed in the process. Suitable bacteria are obtained by rinsing husks of Burma rice or Indian hemp seeds in a solution of sodium carbonate, and the liquid thus obtained is used to inoculate a sterilized pentosan solution at a temperature of 38-40‹ C., and all the delicate fine rods in chaplet form are grown separately as special cultures in the presence of yeast, the cultures being placed on shaking apparatus. The temperature of the cultures is gradually raised to 50‹ C. before impregnation of the food or waste products, or the temperature of the mixture may be gradually raised to 50‹ C.
Patent GB-377925-A (GB)
Title: Apparatus for providing energy for electric fuses for projectiles and the like
IPC: F42C17/04
Filed: 1932-03-24
Abstract: 377,925. Projectile fuzes. RHEINISCHE METALLWAAREN-UND MASCHINENFABRIK, 195, Ulmenstrasse, Derendorf, D³sseldorf, Germany. March 24, 1932, No. 8838. Convention date, April 27, 1931. [Class 9 (i).] Relates to projectile fuzes of the kind comprising electric condensers adapted to be charged from an outside source, and consists mainly in using as the outside source, a charging condenser or set of charging condensers connected to any suitable supply of electricity under tension, preferably through a high resistance or rectifier preventing a return discharge from the charging condenser. The charging condenser may be disconnected from its supply when connected to the fuze condenser. As shown, a charging condenser d<1>, d2 is arranged at the muzzle of a gun barrel a ; one plate d1 of the condenser is connected to the barrel a, and the other plate d2 is connected to an insulated contact e carried by the barrel. An insulated contact ring c of slightly larger calibre than the barrel is also arranged at the muzzle and is connected to an insulated contact e1. The contacts e, e1 normally bear respectively on insulated contacts f1, f2 on a bar f on the cradle b1. The contacts f1, f2 and the cradle b1 are connected by leads l1, l2, l3 to a switch T also connected to a battery h. When the rotary arm t9 of the switch is at the point O, the various parts are disconnected. To test the apparatus, the arm t9 is turned to the point K. In passing the intermediate point K1, the switch arm closes the circuit between the battery h and the charging condenser d1, d2, which is thus charged; and on reaching the point K, the switch arm disconnects the charging condenser d<1>, d2 from the battery h and connects this condenser to the ring c. A current indicator or the like is then applied between the ring c and the barrel a to reveal whether the desired charge can be obtained therefrom. For actual use, the switch arm is turned to the position S, which is similar to the position K1 and connects the battery h to the charging condenser d1, d2. If now a projectile is fired from the gun, the barrel a recoils to the position indicated in the Figure, where the contact e has receded from the contact f1 and become connected by the contact f2 to the contact e1, this causing the charging condenser to be disconnected from the battery h and connected instead to the ring c. When the projectile i subsequently reaches the muzzle, an insulated contact i3 thereon touches the ring c while the body of the projectile is in contact with the barrel, and a charge passes from the charging condenser d1, d2 to the fuze condenser i1, which afterwards fires a detonator i2 for example on impact.
Patent GB-145899-A (GB)
Title: Improvements in inking mechanisms
IPC: B41F31/30
Filed: 1919-04-08
Abstract: 145,899. Goss Printing Press Co., (Goss Printing Press Co.). April 8, 1919. Inking-apparatus. - An inking-mechanism for the forme cylinder of a printing-press is arranged so that a greater part of the fresh ink is applied by the forme roller first contacting the cylinder in its rotation after impression, successively diminishing quantities being applied by the following forme rollers in order of succession, the arrangement also providing for dust &c. taken up from the forme by the forme rollers being returned to the forme instead of working back to the ink fountain. As shown, the ink is supplied from a fountain roll 25 by a messenger roll 26 and rolls 27, 28, 29 to a distributing-roll 23 which rotates in the direction shown and consequently delivers the greater part of the fresh ink to a roll 22 and the remainder to a roll 30. The roll 22 delivers the ink to a roll 20, rotated as shown, from which the greater part is transferred by an intermediate roll 16 to the first forme roll 11 and the remainder by an intermediate roll 17 to the second forme roll 12. The small quantity of ink taken by the roll 30 from the roll 22 is transferred by rolls 31, 32, 33, 34 to a roll 21 rotated as shown so that the greater part of this ink is transferred by an intermediate roll 18 to the third forme roll 13, the remainder being transferred by an intermediate roll 19 to the fourth forme roll 14. If further forme rolls 36, 37 are provided these are supplied with the remaining ink from the roll 33 through a train of contacting rolls 41 - - 40 from the latter of which, driven as shown, the greater part of the ink is transferred by an intermediate roll 38 to the forme roll 36 and the remainder by an intermediate roll 39 to the forme roll 37. Alternate rolls in each train of rolls are covered with composition and metal respectively, e.g. the rolls 11, 20, 23, 28 are covered with composition and the rolls 16, 22, 29, 27 with metal. The rolls are driven from the forme cylinder 10 through a gear 35 and gears on the roll shafts of the same diameter as the rolls, so that alternate rolls in a train are driven in opposite directions. Dust &c. from the web taken up by the forme roll 11 and transferred to the roll 20 is largely delivered therefrom to the more sticky roll 17, and so returned through the forme roll 12 to the forme. The remaining dirt &c. not so returned is carried back to the roll 23 and delivered to the sticky roll 30 from which it is returned to the forme cylinder through the forme rolls 13, 14. Several of the rolls in the trains are vibrated as usual.
Patent GB-1076311-A (GB)
Title: Mehtod and apparatus for operating shaft furnace
IPC: C21B5/00
Filed: 1964-03-04
Abstract: The falling speed of the charge in a blast furnace is measured, and any deviation is caused to modify the blast conditions such as temperature, humidity and content of fuel oil, preferably in that order, to eliminate the deviation.  In the first instance the blast reverts to the original conditions when the falling speed deviation is corrected, but if shown to be necessary over a period the basic conditions may be modified. Provision is made for the input to the control system of signals representing furnace conditions and where action to correct falling speed would adversely effect these, such action is blocked. Further circuitry gives warning of the need for, or may initiate, changes in the ore: coke ratio and the slag basicity.
Patent GB-553531-A (GB)
Title: Improvements in acetylation of hydroxy esters
Filed: 1941-07-21
Abstract: 553,531. Esters. AMERICAN CYANAMID CO. July 21, 1941. No. 9199. Convention date, Sept. 27, 1940. [Class 2 (iii)] Acetic acid esters of α-hydroxyisobutyric acid esters are prepared by reacting the hydroxyesters with ketene, preferably in the presence of sulphuric acid as catalyst. According to the examples, ketene is bubbled through the methyl, ethyl, benzyl or cyclohexyl ester of α-hydroxyisobutyric acid, whereby the hydroxy group is acetylated. Mention is also made of the use, as starting materials, of esters of α-hydroxy-isobutyric acid with butyl, n-propyl, isopropyl, isobutyl, n-amyl and isoamyl alcohols ; glycerol and the glycols ; cyclohexanol and methylcyclohexanol ; benzyl, phenylethyl and phenylpropyl alcohols; and furfuryl and tetrahydrofufuryl alcohols. U.S.A. Specification 2,007,968 is referred to. The Specification as open to inspection under Sect. 91 also describes the acetylation of aliphatic α- and #-hydroxyacid esters in general, of which are further specified the esters of α-hydroxypropionic, α-and #-hydroxybutyric, α- and #- hydroxy-n-valeric, α- and #-hydroxyisovaleric and #-hydroxyisobutyric acids. Additional examples are given of the treatment with ketene of methyl lactate and ethyl #- hydroxypropionate. Reference is also made to the treatment of tributyl citrate and the mixed esters produced by esterifying a hydroxyacid such as lactic or α-hydroxyisobutyric acid with a mixture of branched and straightchain monohydric alcohols such as those produced by the catalytic hydrogenation of carbon oxides. This subject-matter does not appear in the Specification as accepted.
Patent GB-350607-A (GB)
Title: Improvements in or relating to the facing of cutting, drilling and boring tools
IPC: B23K31/02
Filed: 1930-03-22
Abstract: 350,607. Drilling wells. FORRESTER, H. J. C., 88, Chancery Lane, London.-(Stoody Co. ; Whittier, California, U.S.A.) March 22, 1930, No. 9278. [Class 85.] Tools for boring oil-well; are faced with a layer of a metal of low melting point such as mild steel in which are embedded particles of a material of high melting point such as tungsten carbide, air being excluded from the latter material during the process. A composite welding rod 1, such as described in Specification 350,608, [Group XXII], may be fused on by an acetylene torch 6. A second layer of a hard tool steel may be subsequently fused on.
Patent GB-668472-A (GB)
Title: Means for detecting the presence of undesired metallic projections on non-metallic surfaces
IPC: A43D61/00
Filed: 1949-04-06
Abstract: 668,472. Indicating the presence of conductors. FREEMAN, HARDY & WILLIS, Ltd., and LAW, W. A. March 23, 1950 [April 6, 1949], No. 9371/49. Class 37. [Also in Group VII] Apparatus for detecting the presence of a metallic projection on a surface of non-conducting material comprises a test probe with a manipulating handle and two sets of exposed conducting elements. In Fig. 1 the presence of a tack 38 on the insole of a shoe is made known by the operation of a bell or other indicator 31, Fig. 7, when by manipulation of the flexible body or handle 10 of the test probe the tack'38 bridges the tips of adjacent plates 17, 18 in a stack of phosphor bronze or copper plates mounted in the nose of the probe and comprising two sets of plates with the plates 17 of one set alternating with the plates 18 of the other. The body or handle 10 of the test probe is a rubber sleeve and the two sets of parallel plates with terminal bars 26, 27 and interleaving mica sheets 19 are clamped in a holder 20 secured in the front or working end 11 of the sleeve, as shown, Fig. 4. The nose of the probe is rounded to facilitate " searching " in the toe interior.
Patent GB-1345677-A (GB)
Title: Formylation of carboxylic compounds with carbon monoxide
Inventor: HUBER J
IPC: C07C51/10
Filed: 1972-02-29
Abstract: 1345677 Formylation with CO CPC INTERNATIONAL Inc 29 Feb 1972 [1 March 1971] 9418/72 Heading C2C Alkali metal salts of 2-formyl carboxylic derivatives are prepared by reacting (e.g. at 40-100‹ C.) a carboxylic acid, ester, amide or nitrile having at least 2 hydrogen atoms on the carbon atom α to the carboxyl or nitrile group, with CO in the presence of an alkali metal alcoholate (e.g. NaOMe). The corresponding free 2-formyl derivatives are obtained by acidification of the alkali metal salt. The reaction may be carried out in an inert, preferably hydrocarbon, solvent and in the presence of an alcohol having 1-6 C atoms and under a pressure of CO greater than atmospheric (e.g. 5-200 p.s.i.g.). The CO may be prepared in situ by reaction of CaCO 3  with Zn dust or by decomposition of a dialkyl carbamate at elevated pressures. The examples describe the preparation of ethyl - 2 - (sodio) - hydroxymethylene - 4- ethylene-dioxy-5-phenyl valerate and ethyl-2- formyl . 4 - ethylenedioxy - 5 - phenyl valerate.