baber/WOPTO huggingface dataset:
Patent GB-249723-A (GB)
Title: Improvements in scraper loader apparatus
IPC: E21F13/06
Filed: 1925-07-15
Abstract: 249,723. Marks, E. C. R., (Goodman Manufacturing Co.). July 15, 1925. Scrapers for transporting by single or repeated strokes.-A draft-operated scraper for use in mine galleries comprises side walls 10. 11 of unequal length hinged together at 12, with means such as a chain 13 for limiting the spread of the walls. and with head and tail ropes 14, 15 leading to two drums of a winch 28. The walls mav have cutting edges 10a, 11<a> at floor level and a vertical edge 31 to enter the loose material. The upper edge of the wall 10 is stiffened by a member 17 which is curved inwardly at 16 to form a connection for the head rope a.t a point in line with the hinge 12. The part 16 is connected with the lower edge of the side wall 10 by a member 18. The tail rope is connected with the wall 11 at a point near the hinge. In operation, the pull on the head rope tends to keep the wall 10 parallel with the working face 20 and the resistance of the loose material 21 forces the scraper outwards against the mine props 22. When the scraper is drawn back the wall 11 can turn inwards on the hinge if it meets an obstruction.
Patent GB-756008-A (GB)
Title: Preparation of new 6-alkoxy-tropinone derivatives
Filed: 1954-06-21
Abstract: The invention comprises 6-alkoxy-tropinones of the formula <FORM:0756008/IV(a)/1> where R1 is C1-C3 alkyl and R2 is C1-C4 alkyl or -CHR-CH2OH in which R is hydrogen, methyl or ethyl; also their acid addition salts.  These are made by condensing alkyl ethers of malic dialdehyde with R2NH2 and acetonedicarboxylic acid in dilute aqueous solution of pH 3-11 at 15-30 DEG  C.  The products may be used for the optical resolution of acidic substances.  Examples show the preparation of the following: 6-methoxytropinone and hydrochloride, 6-ethoxytropinone and hydrochloride, 6 - isopropoxytropinone and hydrobromide, N - n - butyl - 6 - methoxy - nortropinone and hydrochloride, N - n - butyl - 6 - ethoxy - nortropinone, N - n - propyl - 6 - methoxy - nortropinone, N - (hydroxy - sec. - butyl) - 6 - methoxy - nortropinone, N - ethyl - 6 - methoxy - nortropinone and N - hydroxyethyl - 6 - methoxy-nor-tropinone.  O-Alkyl-malic dialdehydes are made by acid hydrolysis of 2 : 3 : 5-trialkoxy-tetrahydrofuranes as in Specification 756,007.  The methyl, ethyl and isopropyl compounds are mentioned.
Patent GB-173540-A (GB)
Title: Improvements in the manufacture of phenyl glycine compounds
Filed: 1920-07-02
Abstract: In one method of production, tetrachlorethane or trichlorethylene and aniline in aqueous suspension are heated with an alkali such as milk of lime to 140-190 DEG  C. until the conversion of the intermediate bodies such as ethylene-triphenyltriamine into phenyl glycine compounds is complete.  An autoclave provided with an agitator may be used. After 24 hours' heating, the excess of aniline may be distilled off, and the residue cooled and filtered.  The solid product may be converted into an alkali salt of phenylglycine, and the small quantity of the calcium salt remaining in the filtrate may be precipitated as the ferrous salt.  In another method, ethylene-triphenyltriamine and a caustic alkali or alkaline earth are heated together.  Specifications 678/06, 5013/07, 5014/07, and 13176/07 are referred to.  According to the Provisional Specification, phenyl glycine anilide may be obtained as an intermediate product in the first method, also, alkali hydrates, carbonates, silicates, aluminates, and zincates are suitable alkalies.
Patent GB-596078-A (GB)
Title: Improvements in or relating to arrangements for demodulating time modulated electricpulses
IPC: H03K9/04
Filed: 1945-07-17
Abstract: 596,078. Pulse modulation. STANDARD TELEPHONES & CABLES, Ltd. July 17, 1945, No. 18343. Convention date, Sept. 18, 1942. [Class 40 (v)] For demodulating time-modulated pulses, means are provided for controlling, in accordance with the time interval between the pulses, the amplitude of voltage waves having recurring inclined portions, for example saw-tooth waves, and for clipping the waves at a predetermined level. The condenser 26 is charged through resistances 25, 34 in the intervals between pulses and discharged, when a pulse occurs, through valve 20, to the biassed-back grid of which the positive-going pulses are applied to render it conducting. The peaks of the output voltage across resistance 34 are clipped by diode 30 and appear across resistance 33, whence they are fed through a low-pass filter to the signal reproducer. The clipping level, which may be set by the adjustable resistance 34, may be the peak voltage of the output wave from 34 in the absence of modulation on the pulses. Specifications 509,820, 511,222 and 521,139 are referred to.
Patent GB-454111-A (GB)
Title: Improvements relating to solid fuel furnaces
Filed: 1935-06-27
Abstract: 454,111. Furnaces with coking chambers. INTERNATIONAL FURNACE EQUIPMENT CO., Ltd., and BAILLY, L., Imperia Works, Clement Street, Parade, Birmingham. June 27, 1935, No. 18398. [Class 51 (i)] A kiln or like fireplace comprises a combustion chamber a with an inclined step grate c at the front enclosed by a door d and fed with fuel from a coking chamber e separated by its base h from the combustion chamber and provided at f with a discharge opening. The coking chamber is closed at the front by a door i. Air for secondary combustion is supplied through a passage or passages n on one or both sides of the fireplace to the outlet passage m of the combustion chamber. The coking and combustion chambers may communicate by passages g in the base h or by side passages (not shown).
Patent GB-477542-A (GB)
Title: Improvements in and relating to outboard motors
IPC: B63H20/00
Filed: 1936-07-02
Abstract: 477,542. Outboard motors. PRICE, H. W. July 2, 1936, No. 18406. Convention date, July 3, 1935. [Class 114] An outboard motor is provided with an electric motor as its source of power, and this motor 32 is mounted directly upon the shaft of the propeller 36 in a water-tight streamline casing 30 at the foot of a column 28 which is adjustably mounted for steering purposes on brackets 20 which are in turn adjustably secured to the transom of the boat. Power.for the motor is supplied from a battery 12 through leads 56, 58 which pass to ring brushes 50, 52 carried by insulating washers 54 on the top of the column and on the control casing 42 so that contact is maintained in all positions of the column, when steering. The earth lead 56 passes through a resistance coil 64 which is under the control of the operator through a lever 68, and leads 60, 62 pass down to the. motor. For steering when going astern, the steering lever 44 is adapted to be swung over its pivot into the new inboard position.
Patent GB-281568-A (GB)
Title: Improvements in domestic mangling and wringing machines
IPC: D06F45/00
Filed: 1927-07-12
Abstract: 281,568. Entwisle & Kenyon, Ltd., and Redfearn, J. P. July 12, 1927. Addition to 215,699. Mangles a n d wringers, boards for. -Two pins a<1> are secured to each side of the board which mav be reversed to discharge or feed either side of the machine by causing the pins to traverse a preferably curved slot D formed in the machine frame. A notch d with an overhanging lug d' is formed at each end of the slot to engage one of the pins and retain the board in its adjusted position. Alternatively the slots may be formed in the ends of the boards and the pins formed on the frame. The gravity locking catches described in the parent Specification may thus be dispensed with.
Patent GB-569901-A (GB)
Title: Improved method of and means for applying coloured patterns to fabrics
IPC: B41F15/08
Filed: 1943-11-08
Abstract: 569,901. Stencilling apparatus. HILLS, A. E. Nov. 8, 1943, No. 18514. [Class 100 (ii)] Patterns are printed on a web 1, Fig. 5, of fabric by colour-spraying nozzles 6 applying the colour through stencils 5 attached to the web, the web being traversed past the nozzles by an endless screen forming the front wall of a suction box 7, the suction causing the fabric to adhere to the screen and also drawing the colour through the web. The screen 8, Fig. 3, passes round rollers 9 driven by separate motors 15 through worm gearing 14 and the edges of the screen are beaded and guided by pulleys 28 on the rollers 9. The edges also pass between pairs of grooved rollers 20, Fig. 4, arranged at an angle and carried by brackets 22 secured to spring rods 31 to tension the screen laterally. Suction is applied to the box 7 by a fan arranged in the larger end of a conical tubular duct 36 connected to the box by a neck 39. The designs to be applied in colour may also be woven into the fabric in a neutral coloured thread as indicated at 4 in Fig. 1, so that after colouring the material resembles tapestry. Specification 569,907 is referred to.
Patent GB-756146-A (GB)
Title: Improvements relating to the manufacture of corrugated metal workpieces
IPC: B31F1/30
Filed: 1952-07-22
Abstract: 756,146. Corrugating. DIXON, A. S. Oct. 21, 1953 [July 22, 1952; Aug. 27, 1953], Nos. 18538/52 and 23716/53. Class 83 (4). A machine for forming corrugated workpieces comprises opposed, driven endless chains, carrying intermeshing die members, or formed thereby, between which the workpiece is fed. Metal strip 36 is fed between inter-engaging die members 22, 29 pivotally carried on opposed upper, 21, and lower, 28, endless chains running over sprocket wheels 16 (driven), 17, 10 (driven) and 11. The dies 22, 29 are guided throughout their paths by bars 30, 31, respectively, which are set back slightly at 32, 33, 34, 35 to facilitate the engagement and disengagement of the dies with the work. The bars 30, 31, where they guide the dies engaging the work, may converge slightly towards the exit end of the machine. The distance between the upper and lower chains may be adjustable. Dies 40 shaped as in Fig. 4 may be used. The dies may be pivoted to the chains at points nearer one end of the dies than the other or may themselves form part of a chain. A number of dies may be arranged side by side.
Patent GB-258705-A (GB)
Title: Improvements in and relating to brickmaking machine tables and clay cutters thereon
IPC: B28B11/14
Filed: 1925-07-21
Abstract: 258,705. Crimmins, J. July 21, 1925. Stream-cutting machines. - A brick cutting table a, having a frame b with cutting wire c, supports by a bracket e a horizontal rod f on which is slidably pivoted a knife g normally held up by a catch j having a cranked portion k connected by a bar m to a movable stop plate o. The bar of clay engaging the stop plate o releases the catch j allowing the knife to fall after which it is forced therethrough by a handle h while travelling with the clay. The severed slab is then pushed forward by the knife into alignment with the cutters and pushed therethrough, the plate o being arrested by fixed stops on the table. The distance between, the bracket e and forward position of the stop plate o, and the position of the fixed stops are such that a complete number of bricks are severed without waste.
Patent GB-330773-A (GB)
Title: Improved collapsible tripod stand
IPC: F16M11/30
Filed: 1929-06-17
Abstract: 330,773. Melville, A. A. June 17, 1929. Tripod stands. - Relates to tripod stands of the kind in which the legs are pivoted to a holder carried by the lower end of a hollow standard so that the legs, when not required, can be collapsed and inserted within the lower end of the standard. According to the present invention the legs 3 are notched at 7 the lower end of the standard 1 or a member carried thereby engaging the notches to prevent the legs collapsing when in use.. The legs are pivoted at 5 in inclined slots 6 in a holder or plug 2 which screws or slides into the lower end of the stand or into a sliding or screwed collar thereon. In the latter construction the lower end of the collar engages the notches 7 in the legs.
Patent GB-953464-A (GB)
Title: Cyclic amides
Filed: 1960-05-25
Abstract: The invention comprises 3, 4-dihydro-1, 2, 4-benzothiadiazine 1, 1-dioxides of the general formula: <FORM:0953464/C2/1> (wherein each of R1, R3 and R5 represents a hydrogen atom or an alkyl radical, R2 represents an unsubstituted alkylmercaptoalkyl radical, and R4 represents a halogen atom or a trihalomethyl group) and their alkali metal salts, and pharmaceutical preparations containing the foregoing compounds in admixture or conjunction with a pharmaceutically suitable carrier. The compounds may be made by reacting a compound of the general formula: <FORM:0953464/C2/2> with an aldehyde R2-CHO (or an acetal thereof), or reducing the D  2 or D  3 double bond in a corresponding 1, 2, 4-benzothiadiazine 1, 1-dioxide, and in either case, if desired, alkylating a resulting product containing a substitutable nitrogen atom and/or converting a resulting salt into the free compound or vice versa.  The pharmaceutical preparations, which have diuretic, natriuretic and hypotensive activity, may be in the form of capsules, tablets, dragees, solutions, suspensions or emulsions.  Specification 861,367 is referred to.  Reference has been directed by the Comptroller to Specification 909,687.ALSO:3,4-Dihydro-1,2,4-benzothiadiazine 1,1-dioxides of the general formula <FORM:0953464/C3/1> (wherein each of R1, R3 and R5 represents a hydrogen atom or an alkyl radical, R2 represents an unsubstituted alkylmercaptoalkyl radical, and R4 represents a halogen atom or a trihalomethyl group) may be prepared by electrolytic reduction at the C=N bond of compounds of the general formula or <FORM:0953464/C3/2>  Specification 861,367 is referred to.  Reference has been directed by the Comptroller to Specification 909,687.
Patent GB-1222313-A (GB)
Title: Bearings for use in baking machines
IPC: A21B5/02
Filed: 1969-04-11
Abstract: 1,222,313. Bakery plant. HEBENSTREIT G.m.b.H. 11 April, 1969 [13 April, 1968], No. 18700/69. Heading A2A. [Also in Division F2] Running or pressure 2 rollers of baking clamp chains of automatic baking machines are journalled by ball bearings (3) which are lubricated by dry lubricant powder contained in a recess in the roller.
Patent GB-1248625-A (GB)
Title: Improvements in or relating to containers and method of making same
Inventor: GUNN CHARLES NEWMAN
IPC: B65D6/02
Filed: 1969-04-11
Abstract: 1,248,625. Making containers. WILKIE & PAUL Ltd. 2 April, 1970 [11 April, 1969], No. 18793/69. Headings B3A and B3J. A method of making tapered rectilinear sheet metal containers comprises forming a metal sheet into a tube, joining the adjacent ends of the tube to form a container body, stretch forming the body into rectilinear shape with tapering side walls, and seating a base in the smaller end of the body. Tube blanks are cut from a flat sheet of tinplate, formed into a cylinder with overlapping ends and passed through a seam welding plant. Normally the interior of the container is lacquered and the area to be welded is free of lacquer. After welding the joint is lacquered and allowed to dry. The thus-formed body shape is stretched over divergent expanding bars 13 to shape and a curl 14 formed around its smaller periphery. A base 15 is fitted to the curl and an outwardly directed curl 17 formed while the body is still on the bars 13. A lid (20) may be fitted to the container and external abutments (26) or a bead (27) formed on the container to allow a number of them to be stacked one inside the other, Fig. 7 (not shown). The lid (20) may be provided with an opening tab (25), which when pulled tears an opening in the lid.
Patent GB-951215-A (GB)
Title: Improvements in or relating to post cards
IPC: B42D15/00
Filed: 1961-05-25
Abstract: 951,215. Post-cards. J. M. CAMPBELL. Aug. 27, 1962 [May 25, 1961], No. 18863/61. Heading B6A. A post-card is made of wood or synthetic plastic material and has a picture on one side and a division and stamp space on the other all formed by branding.
Patent GB-1198382-A (GB)
Title: Liquid Container With Dispensing Valve
Inventor: CONNERS JOHN P
IPC: B65D47/28
Filed: 1968-04-22
Abstract: 1,198,382. Pouring spouts for containers. CORRUGATED CONTAINER CO. 22 April, 1968, No. 18914/68. Heading B8D. [Also in Division F2] Telescopic dispensing valve for a container, especially for milk, comprises a hollow valve member 50 closed at one end and having a radial port 58 near this end, the member is slidable in a positioning sleeve 45 which is slidable in turn in a fixed guide sleeve 40. This sleeve 40 is integral with a cap 38 which snaps on to the neck 31 of the container by means of a co-operating groove and bead 33, 41. The container is preferably made by blow moulding in a thermoplastic such as polyethylene or propylene, and the valve ports also may be of plastics material. The container wall is recessed as shown so that when the valve member and positioning sleeve are both retracted, the valve will lie within the outline of the container which will stack snugly in a case along with others, whilst in dispensing position the port 58 will suitably overhang a shelf 5. For hygienic reasons, the end of the sleeve 45 over which milk will flow before the valve is fully opened, is protected by enclosure in an annular recess 61 of the valve member. The member has a flange 55 serving as a pull tab and shaped below as a pointer 57. Projections 52, 53 in the sleeve 45 and similarly in the sleeve 40 act as seals. A groove 47b in the rear of the positioning sleeve snaps into engagement with the projection 51 to locate the valve in open position whilst a shoulder 47 bears on the rear of the guide sleeve. To avoid tampering with the container, the valve member is secured to the cap by a tie 65 which must be broken to open the valve.
Patent GB-143440-A (GB)
Title: Improvements in clothes-horses
IPC: D06F57/08
Filed: 1919-07-30
Abstract: 143,440. Helmore, H. W. July 30, 1919. Clothes-horses.-In a foldable clothes-horse of the kind having two standards to which are hinged the ends of a number of clothes rails hinged in the middle, the top rail is adapted to fold downwards and the bottom rail upwards; the rails are narrower than the uprights and fold in different vertical planes; foldable supporting struts are provided. As shown, the uprights are supported by struts d<1>, d<2> pivoted thereon, stops d<3>, d<4> preventing collapse and acting as retaining means when the horse is folded. The clothes rails are hinged at their midpoints, and fastenings are provided to hold the two parts rigidly together when required. The hinges are arranged so that the lowest rails fold upwards and the upper rails downwards into side-by-side position between the uprights, a catch or fastening i holding the parts together when folded. Auxiliary arms f<1> - - f<6> 'are pivotally attached to the uprights and are held in horizontal position by stops h or folded against the uprights.
Patent GB-268203-A (GB)
Title: Improvements in or connected with racks for garments and the like
IPC: A47G25/06
Filed: 1926-07-29
Abstract: 268,203. Prinz, C. July 29, 1926. Hooks fixed to flat surfaces.-A hook 6 formed from flat metal strip, is secured to a hollow sheet metal base member 1 by being passed through upper and lower elongated slots 2, 3, a portion 8 of the hook being slightly bent to form a resilient portion which is pressed against the interior surface of the base member by the inwardly bent upper edge 4 of the upper slot 2. The lower edge 5 of the slot 3 is bent inwardly and is engaged by a projection 7 on the hook. In a modification shown in Fig. 3 the hook is provided with raised portion 9 which bears against the under edge 10 of the slot 2, a blade spring 12 riveted to the interior of the base member engaging a projection 13 on the hook to press the hook against the base member. In this modification the bent portion 8 and projection 7 are dispensed with. In a further modincation shown in Fig. 5, the hook is formed in two parts 24, 25 tapered at their inserted ends 28 29 to clamp the parts in the base member. The end 28 is slightly curved to provide a spring action. A curved supporting portion 26 at the upper end of the lower part 25 prevents excessive insertion of the upper part 24.
Patent GB-147011-A (GB)
Title: Improvements in the rolls of rolling mills
IPC: B21B27/03
Filed: 1920-07-06
Abstract: 147,011. Dostal, L. April 7, 1919, [Convention date]. Rolling.-Rolls are provided with separate necks b supported by rods c and fixed by nuts or by riveting, shrinking, or the like. The necks may be of different material (e.g. steel) from the body a, which may be a chill casting. Sockets e of softer or more resilient metal may be arranged as shown.
Patent GB-407588-A (GB)
Title: An improved wrapping board for textile fabrics
IPC: B65H75/06
Filed: 1933-07-05
Abstract: 407,588. Piece boards. LOWRY, A. S., c/o Textile Paper Tube Co., Ltd., Romiley, Cheshire. July 5, 1933, No. 19038. [Class 42 (ii).] A piece board is strengthened along two or all four edges. As shown, the thin board 6 of paper &c. has slit paper tubes 7, 10 glued to its edges. The strengthening means at the ends may be thicker than those at the sides.
Patent GB-1217064-A (GB)
Title: Improvements in or relating to fuel metering systems of internal combustion engines
IPC: F02D19/06
Filed: 1968-04-23
Abstract: 1,217,064. Regulating. BENDIX CORP. April 23, 1968 [April 28, 1967], No.19138/68. Heading F1B. In a device responsive to fuel viscosity for adjusting the maximum delivery top 16, Fig. 1, of a fuel metering pump control rod 14, the fuel flows from an inlet 32 past a pressure regulating valve 82 to an annular laminar flow restriction 52 and through a restriction 44 to an outlet 34, the pressure drop across restriction 52 serving to control the position of the stop 16. The valve 82 maintains a substantially constant pressure difference between the inlet and outlet pipes 32, 34, and in Fig. 1 the laminar flow path is formed by the clearance between spring-loaded piston 50 and its surrounding cylinder, the piston being connected to the stop 16 and being adjusted in accordance with the pressure difference betweeen chambers 36A, 36B, which pressure difference varies with the viscosity of the fuel. The piston loading spring 70 is adjustable by a screw-threaded abutment 74. In Fig. 2, the laminar flow restriction 172 is formed around a stationery cylindrical member 170 the axial position of which is adjustable by a screw 180 to vary the effective length of the restriction. The pressures in chambers 146A, 146B on opposite sides of the restriction actuate a diaphragm 197 connected by rod 195 to the fuel pump stop. In a modification member 170 and its surrounding surface are frusto-conical.
Patent GB-426852-A (GB)
Title: Improvements in and relating to welding transformers
IPC: H01F29/10
Filed: 1934-06-28
Abstract: 426,852. Transformers. AKT.-GES. BROWN, BOVERI, & CIE, Baden, Switzerland. June 28, 1934, No. 19149. Convention date, June 28, 1933. [Class 38 (ii)] A transformer, particularly adapted for welding is provided with suitably shaped laminated leakage bridges f carried by nuts e on a left and right-hand threaded spindle d passing through the core window. Packets of laminations g of trapeziform shape are arranged with their longer sides in contact with and overlapping the edges of the core limbs a and with the laminations perpendicular to the core laminations as shown. Rotation of the spindle d varies the air gaps h, which are disposed symmetrically about the axes AB and CD, and vibration of the nuts e and bridges f is prevented by means of springs i attached to the nuts e and to blocks k which slide on suitably shaped bars l. The springs i on different sides of the axis CD may be of different strengths or the springs on one side of this axis may be omitted altogether. Alternatively all the blocks k may be rigidly attached to the nuts e. Additional springs m, which bear on stops n when the air gaps h are almost closed, may be provided.