baber/WOPTO huggingface dataset:
Patent GB-1195467-A (GB)
Title: A Process for the Production of Glycol Esters of Carboxylic Acids
Inventor: BOEHMKE GUNTHER
IPC: C07C69/52
Filed: 1968-02-15
Abstract: 1,195,467. Glycol esters of carboxylic acids. FARBENFABRIKEN BAYER A.G. 15 Feb., 1968 [24 Feb., 1967], No. 7359/68. Heading C2C. Glycol esters of carboxylic acids are prepared by reacting a water-soluble alkylene oxide, in aqueous medium, with an aqueous solution of an alkali metal or alkaline earth metal salt of a carboxylic acid of the formula wherein n represents 1 or 2, and R represents a saturated or unsaturated aliphatic radical or an unsubstituted or substituted aryl or arylene radical, the reaction being effected at a temperature in the range of from 5‹ to 100‹ C. and at a pH in the range of from 6 to 10, the inorganic base liberated during the reaction being neutralized continuously or stepwise by the addition of a dilute inorganic acid. Preferred saturated or unsaturated radicals R are those containing from 2 to 10 carbon atoms such as benzoic acid, salicylic acid, p-hydroxyethoxybenzene carboxylic acid, adipic acid, maleic acid, phthalic acid; and preferred unsubstituted or substituted aryl or arylene radicals R are those containing up to 10 carbon atoms in a ring, two such arylene radicals may also be attached to each other directly through a carbon-carbon bond, or through an oxygen or sulphur atom, or through a methylene bridge, and preferred substituents include halogen atoms, nitro groups, alkyl, alkoxy or hydroxyalkoxy groups, each having up to 4 carbon atoms or a hydroxy group in the ortho-position. Examples prepare mono- and di-(hydroxyethyl) adipate, di-(hydroxyethyl) terephthalate and hydroxyethyl p-hydroxyethoxybenzoate.
Patent GB-495867-A (GB)
Title: Improvements in or relating to apparatus for determining electrically the direction and, if desired, the value of the dip of the formations cut by a bore hole
IPC: E21B47/026
Filed: 1937-03-12
Abstract: 495,867. Prospecting for minerals etc.; photographic apparatus. SOC. DE PROSPECTION ELECTRIQUE (PROCEDES SCHLUMBERGER). March 12, 1937, No. 7372. Convention date, March 18, 1936. [Class 37] [Also in Group XX] The direction, and, if desired, the value of the dip of the strata cut by a borehole are determined by lowering a supporting structure into the borehole and measuring the spontaneous potential differences existing at points in a given transverse layer, one movable, or more than one fixed or movable electrode in relation to the structure being provided, together with means for measuring the orientation of the electrode or electrodes. The measurements may be made with potentiometers or millivoltmeters between one electrode and earth potential, or between pairs of electrodes. Measurements of the inclination of the borehole are also made. In one arrangement, Fig. 2, electrodes 2 .. 4 are carried by lateral arms connected to the conductor cable 1 centred in the structure 5 by resilient endpieces 6, 7 contacting with the wall of the borehole. Also located in the structure 5 are a level 11, compass 12 and camera 9 for recording the orientation of the electrodes and inclination of the borehole axis. In a modification, a single electrode may be rotated by a motor in the borehole, or, as shown in Fig. 7, the three electrodes 2 .. 4 can be connected to segments 16 .. 18 over which a brush 19 is driven by motor 20, the output being delivered to the measuring instrument or instruments by conductor 43. The segments 16 .. 18 are of different length, so that a recording instrument will show traces of different thickness and thus identify the potential with a particular electrode. In a further modification, a single electrode is rotated in the borehole and is electrically connected to a brush sweeping over a collector having a single break in its circuit. Four electrodes may be employed in collecting the spontaneous potentials from points located at the corners of a square, the relationship of the potentials between pairs, or between each electrode and a common earth, being measured.
Patent GB-769936-A (GB)
Title: Method and means for opening crimped continuous filament tow
IPC: D02J1/18
Filed: 1955-03-14
Abstract: 769,936. Opening crimped filament tow. EASTMAN KODAK CO. March 14, 1955 [March 15, 1954], No. 7374/55. Class 120 (3). A method of opening crimped continuous filament tow comprises the steps of subjecting the tow to a first amount of tension, which is sufficient substantially to straighten out the crimps in the tow, intermittently applying an additional increment of tension to the tensioned tow and thereafter releasing the tow from the first amount of tension. Apparatus for carrying out the above method comprises means for pulling the tow under tension through a tensioned zone and a striker which is intermittently reciprocated so as to strike the tow in a direction normal to the path of movement of the tensioned tow. In the arrangement shown diagrammatically a continuous filament tow 10 is moved from right to left under the influence of a pair of co-operating driven tension rollers 11 and 12 and is retarded in its movement by means of a pair of co-operating retarding rollers 13 and 14 so that the tow is tensioned between these two pairs of rollers so as to remove, substantially, the crimp from the tow. While the tow is under tension in this way an additional increment of tension is intermittently applied to it in rapid cycles of sudden application and release by means of a striker 19 which is reciprocated under the action of some mechanism 17. The tow emerges from the driven rollers 11 and 12 into a zone of relaxation i.e. relatively little or no tension and as a result of inherent forces in the filament of the tow an opening or blooming action takes place. Specification 765,961 is referred to.
Patent GB-872393-A (GB)
Title: A continuous process for the production of "beer"
IPC: C12C11/00
Filed: 1957-07-26
Abstract: The subject-matter of this Specification is identical with that described in Specification 872,391, but the claims are concerned with controlling the fermentation to obtain a desired reduction in the amino-acid content of the wort and finished beer.
Patent GB-116125-A (GB)
Title: Improvements in Taps or Valves.
Inventor: MUNTZ WILLIAM EDGAR
IPC: F16K5/12
Filed: 1917-03-24
Abstract: 116,125. Muntz, W. E. March 24, 1917. Addition to 113,976. Plug cocks.-The invention described in the parent Specification, as applied to a mixer regulator, is now applied to plug cocks in which the casing has one compartment or recess on each plane at right-angles to the axis of rotation of the spigot plug. The plug a is of abnormally large diameter compared with its length, and has a slot a<1> adapted to co-operate with a long triangulau recess in the casing tapered continuously from end to end. The slot a<1> may be tapered in the opposite sense to the recess c.
Patent GB-1038531-A (GB)
Title: Improvements in or relating to thermostatic actuating fluid flow control valves
IPC: F25B49/02
Filed: 1963-02-26
Abstract: 1,038,531. Valves. MECANO-BUNDY G.m.b.H. Feb. 26, 1963 [Feb. 27, 1962], No. 7703/63. Heading F2V. A valve controlling an engine cooling system comprises a valve disc 1c co-operating with a seat on a housing 2 to control the flow of fluid to the radiator. The disc 1c extends to skirt portion 1d which co-operates with apertures 2a in the housing to control the flow to a by-pass of the radiator. The valve member is secured to a thermal element 1 and is urged by a spring to close the passage to the radiator. As the temperature of the fluid increases, the valve member moves against the spring to progressively close the apertures 2a and open the path to the radiator, the fluid flowing through apertures 1f in the valve member.
Patent GB-433191-A (GB)
Title: Improvements in grass cultivating implements
IPC: A01B1/24
Filed: 1934-11-05
Abstract: 433,191. Implements for working land. STIRRAT, J. R., 164, St. John's Road, Corstorphine, Edinburgh. Nov. 5, 1934, No. 7780/35. Divided out of 427,972. [Class 6 (i)] A hand propelled grass-cultivating implement comprises a frame mounted on front and rear wheels or rollers, a transverse set of prongs or blades rigidly depending from a cross bar non-rotatably secured in the frame between the front and rear rollers, a handle pivotally connected to the frame near the front, and links supporting the handle in an upwardly-inclined rearwardly-extending position so that pressure on the handle may be transmitted through the links to the frame to press the prongs or blades into the soil. A bar 8 carrying inclined blades 11 may be fixed in, or adjustably fitted into, an inverted channel holder 14 secured between side cheeks 15, which are mounted on the axles of front wheels 17 and of an adjustable rear roller 19. The front wheels may be adjustable and may be replaced by a roller. The rear roller may be replaced by a series of discs, and adjustable rollers mounted on the bar 8 or on the cheeks 15. Pivoted handle-bars 21 are adjustably connected to the cheek plates by slotted links 22. They may be acted upon by springs. Several independently adjustable and movable bars 8 may be mounted end to end in the holder 14 with springs between them and the holder to give flexibility to the arrangement. The bars may be interchangeable and reversible. The channel 14 may be of substantial weight, or a weight 13 may be inserted through a hole in it to rest on the bar 8. The blades 11, may be of the shape shown, or may be straight vertical blades with the front edge of the cutting part inclined.
Patent GB-372887-A (GB)
Title: Improved coin selecting and operating mechanism for use on coin freed vending machines
IPC: G07F5/02
Filed: 1931-03-13
Abstract: 372,887. Coin-freed apparatus. WISTOFT, S., 4, Sct. Nicolaivej, Frederiksberg, Copenhagen. March 13, 1931, No. 7821. Convention date, June 10, 1930. [Class 27.] Testing coins; coin action, mechanical-connection.-In a coin detector and release mechanism for coin-freed machines for use with milled edged coins, the opening member of the machine is connected to a vertically moving bar 20 normally locked by a detent 22 pivoted at 23 engaging teeth 21 thereon. The detent carries an angle plate 24, 25, the limb 25 having a knife edge 10 and a slot 26. An arm 27 also pivoted at 23 carries a coin funnel 6 provided with a screw 7 having a knife edge 8. A cam plate 28 on the rod 20 has a cam slot 29 in which a pin 30 on the arm 27 engages. A milled-edged coin inserted in the funnel 6 is gripped between the knife edges and transmits the movement of the arm 27 caused through the rod 20, slot 29, and pin 30 to the detent 22 thereby allowing a full upward movement of the rod 20 and actuation of the opening member of the machine. If the coin has a smooth edge, it is not gripped by the knife edges, but rides over the knife edge 10 and drops through the slot 26. A rocking lever 12, 13 is mounted in the funnel 6 and is rocked by a coin positioned between the knife edges to deflect other coins inadvertently inserted out of the funnel and the machine. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a fixed adjustable knife edge and a knife edge on a slide carrying the coin funnel, this slide being connected to an arm which is connected to the locking device of the machine. The presence of a milled edged coin between the knife edges prevents movement of the slide and the arm and so prevents the locking device from coming into action. This subject-matter does not appear in the Specification as accepted.
Patent GB-585335-A (GB)
Title: Improvements in or relating to axial-flow compressors, turbines and the like
IPC: F01D9/02
Filed: 1941-06-23
Abstract: 585,335. Gas turbines ; air compressors. GRIFFITH, A. A. June 23, 1941, No. 7898. [Classes 110 (i) and 110 (iii)] In a gas turbine of the kind described in Specification 585,330, in which a shaft 10 is supported by a bearing 11 in a spider 12 between the two stages, the annular conduits connecting the stages are provided by a number of separate sectional conduits, Fig. 4, formed of sheet metal and in two parts 20, 21. The spider 12 has annular passages defined by integral webs 14, 15, 16 and the conduits 20, 21 are fitted into these passages leaving air spaces around them. The sectional conduits are of varying width to provide constant cross-sectional area and are shaped to provide between them room for the spider arms.
Patent GB-1112944-A (GB)
Title: Foamed polyamides
IPC: C08J9/00
Filed: 1966-02-23
Abstract: A foamed polyamide is prepared by polymerizing a lactam in the presence of an anionic catalyst, a cocatalyst, a blowing agent and a surfactant, wherein the surfactant is, at least in part, of the general formula RN(XCOOM)2, wherein R is an aliphatic hydrocarbon group of 10 to 20 carbon atoms, X is an alkylene group and M is a salt-forming cation.  The preferred lactam is e -caprolactam, which may be copolymerized with laurolactam, and the preferred anionic catalyst is the sodium salt of the lactam being polymerized. Specified cocatalysts are a toluene-2,4-diisocyanate-caprolactam adduct and a polycarbonate resin.  The preferred blowing agents are allylic azides, e.g. dodecenyl and methyl benzyl azides, but volatile hydrocarbons, e.g. butane may also be used.  Exemplified surfactants have M in the above formula as sodium, X as -C2H4- and R as lauryl, tetradecyl and stearyl, and these may be used alone or with, e.g. potassium stearate or a nonyl phenol-ethylene oxide adduct.  The polymerization preferably takes place in a mould at 130 DEG  C. to 200 DEG  C. to produce a shaped article.  A filler, e.g. CaCO3 may added to the mix.
Patent GB-512894-A (GB)
Title: Improvements relating to guide posts, pillars and signs for roadways
IPC: E01F9/619
Filed: 1938-03-15
Abstract: 512,894. Posts. SHAW, P. March 15, 1938, No. 7959. [Class 20 (i)] [Also in Group XVIII] A road traffic sign comprises a solid or tubular rubber post A, Fig. 1, provided with one or more helical springs B completely embedded in the rubber, and fitted with reflectors D mounted in holders secured, e.g., by wires, in the post or in a rubber cap or head attached to the post. Fig. 5 shows a portion of a rubber panel H secured to the top of a post, in which the reflectors D are secured in holders d' the panel being reinforced by a perforated metal plate b. Wires or metal strips may be embedded in the rubber adjacent the reflectors to prevent their removal by cutting the rubber.
Patent GB-766449-A (GB)
Title: An improved method of covering a roof and tile for use therewith
IPC: E04D1/16
Filed: 1954-03-19
Abstract: 766,449. Roofs; slabs.' BREARLEY, E. Mardh 18, 1955 [March 19, 1954], No. 7989/54. Classes 20(4) and 87 (1) A roof is covered with tiles D, Fig. 3, which extend across between' the wooden rafters A and have their sides edges located in troughs C fixed longitudinally of the rafters, so that water collecting between the edges of the tiles is -carried by the troughs C to a water trough C<SP>1</SP>, Fig. 1, the tiles D being arranged in rows with the lower edge of each row overlapping the upper edge of the row immediately below. After the rafters A have been covered with felt B, a trough C, which may be formed from overlapping lengths, is secured down the centre of each rafter. The tiles D are then secured by a nail G passing through an aperture in each top corner of the tiles, the tiles D having side grooves E which receive the side flanges of troughs C and rebated lower edges F which overlap either the facia board J or the upper edge of the row blow. Wire or other clips H on the underside of the tiles engage below the upper edges of the tiles in the row below.
Patent GB-1339368-A (GB)
Title: Investigating frequency bandwidth of optical radiation
IPC: G01J9/02
Filed: 1972-02-21
Abstract: 1339368 Inter-ferometric investigation of coherence of radiation BROWN BOVERI & CO Ltd 21 Feb 1972 [23 Feb 1971] 7992/72 Heading G2J The coherence of optical radiation is investigated by superimposing first and second beams 4, 5 of the radiation on a diffusely scattering body 12, the path difference # between the beams at body 12 varying by at least c/2 # v, c being the velocity of said radiation, so as to produce a speckled pattern of varying contrast in the scattered radiation, the variation of said contrast being related to the coherence. It is preferred that the path differences between the two beams at different points on body 12 be c/2 # v, c/# v or 2c/#v. Also it is desired that the path length of at least one beam is varied e.g. by a movable prism, to give the preferred variations in path difference. If desired the two beams may be diffusely reflected before being incident on body 12. The variations in frequency are shown by contrasting maxima which result from coinciding interference patterns of fringe width S for different frequencies observed on body 12. These can be measured from a knowledge of the approximate band width of the light source 1, the angles of incidence α1, α2 of the beams 4, 5 on the body 12 and the length of body 12. As a contrast over the top half of body 12 only the scattered radiation from one of the beams is seen. For each frequency v the interference pattern has a fringe width S.
Patent GB-1117071-A (GB)
Title: Improvements in or relating to drawers and cabinet assemblies
IPC: A47B88/04
Filed: 1967-02-20
Abstract: 1,117,071. Catches. G. K. N. SANKEY (PROPRIETARY) Ltd. 20 Feb., 1967 [21 Feb., 1966], No. 8015/67. Heading E2A. In a structure 7 having a drawer 2 slidable therein and a detent 4 and catch member 5 co-acting between the drawer and the structure, the catch member 5 is pivotally supported and loaded to remain in either of two terminal positions. As shown, in which the catch member is pivoted at 6 to the structure, the latter is provided with a slot 12 which is traversed by a pin 10 on the catch member as the catch member is pivoted by the detent 4 against a loading spring 11 during the opening and closing movements of the drawer 2.
Patent GB-669571-A (GB)
Title: Improvements in or relating to magnet cores for electromagnetic devices
IPC: C04B35/26
Filed: 1949-03-24
Abstract: 669,571. Magnetic materials. PHILIPS ELECTRICAL INDUSTRIES, Ltd. March 24, 1949 [March 27, 1948], No. 8056/49. Class 38 (ii). A magnetic core for a high-frequency inductor or transformer comprises a manganesecontaining ferrite sintered to compactness, of which the Fe, Mn atomic ratio is between 4.0 and 1.5, which has a Curie point higher than 250‹ C. and in which, at temperatures higher than 50‹ C. the B-H curve is linear at least up to a value of B of 1500 Gauss. The most satisfactory proportions of Fe, Mn and of bivalent and trivalent manganese are stated, the latter being obtained by sintering and cooling in an inert atmosphere, e.g. nitrogen containing not more than 0.1 per cent by volume of oxygen. The core may be of simple manganese ferrite or of manganese-zinc ferrite with a small proportion of zinc oxide, say 15 mol. per cent at most, and at 80‹ C., B may equal 4000 Gauss. In one example of production of manganese ferrite, manganese oxide obtained by heating manganese carbonate to 500‹ C. in air was mixed with " active " iron oxide, the Fe : Mn atomic ratio being 2.78, and pulverized in a ball mill with alcohol afterwards evaporated. The mixture was then heated to 900‹ C., pulverized as before, moulded into a ring and sintered at 1250‹ C. and cooled in nitrogen. Other examples of manufacture are described in which the ratio of Fe to Mn are different. The Mn Zn ferrite is described as made by a similar process, the atomic rates of Fe, Mn and Zn being 3.4 : 1 : 0.29. Values of B are given for each example. Specifications 626,946, 629,031, 631,886 and 655,666 are referred to.
Patent GB-106167-A (GB)
Title: Improved Manufacture of Duplicating Paper.
Inventor: WADE HAROLD
IPC: B41M5/10
Filed: 1916-06-07
Abstract: 106,167. Wade, H., (Goldsmith, B. B.). June 7,1916. Carbon papers.-The foundation sheet is impregnated or coated on both sides with wax or grease, and a pigment containing a fat, oil, or waxlike substance is applied to one or both sides of the sheet; or the pigment may be applied to the waxy side of a sheet which is coated on one side only. An inferior grade of paper may be employed for the foundation sheet.
Patent GB-492314-A (GB)
Title: Means for controlling electric motor or other electric circuits
IPC: H01H50/64
Filed: 1937-03-19
Abstract: 492,314. Partly electromagnetic switches. SMITHSON & CO., Ltd., J. G., and SMITHSON, J. G. March 19, 1937. No. 8102. [Class 38 (v)] A device which may be used for controlling the variable speed mechanism of a machine tool such as a lathe, comprises a number of switches which are collectively operated by an electromagnet, and individually operated by manual or automatic means, both electromagnetic and manual (or automatic) operation being necessary to cause the actual closing of a circuit at an individual switch. Thus the particular circuits which are to be closed when the electromagnet is energized, are selected by the previous operation or adjustment of the switches. In the form shown in the Figure, any one of a number of contact levers f arranged one behind the other. may be moved by operation of a corresponding cam m so that its contact b is brought nearer to a corresponding fixed contact a. Operation of the electromagnet p then by lowering an armature q causes further movement of all the levers f and engagement of contacts a, b at those switches previously so adjusted by their cams. The cams m are mounted on a shaft l which is selectively rotated to cause movement of the desired levers f. In a modification, Fig. 3 (not shown), the cams move the contacts b individually towards the contacts a and energization of the electromagnet moves the contacts a collectively towards the contacts b.
Patent GB-328731-A (GB)
Title: Improvements in and relating to automatic advance and retard ignition devices for magneto-electric machines
IPC: F02P5/06
Filed: 1929-03-13
Abstract: 328,731. British Thomson-Houston Co., Ltd., Morton, C. J., and Woodfield, T. H. March 13, 1929. Timing.-Plates 6 secured to the driving and driven shafts are moved relatively to each other by the centrifugal movement of masses 4, balls or rollers 5 carried by the masses engaging also in grooves in the plate. Springs 9 oppose the outward movement of the masses which in their innermost position form a complete ring.