baber/WOPTO huggingface dataset:
Patent GB-478990-A (GB)
Title: Improvements in and relating to colour forming developers and processes of colour development
IPC: G03C7/384
Filed: 1936-04-23
Abstract: 1 - Phenyl - 3 - furyl - 5 - pyrazolone is prepared by the reaction of equimolecular amounts of phenylhydrazine and ethyl furoylacetate in dilute alcohol solution.  1 - Phenyl - 3 - carboxylic acid methyl ester-5-pyrazolone is prepared from phenylhydrazine and methyl oxalacetate.  1 - (1<1> - Benzthiazyl) - 3 - methyl - 5 - pyrazolone is prepared by heating ethyl b -(1-benzthiazolylhydrazone)- butyrate in an indifferent solvent.  Ethyl b -(1 - benzthiazolylhydrazone)-butyrate is prepared by reaction of 1-benzthiazolylhydrazine with ethyl acetoacetate in acetic acid solution.  8 - Quinolylhydrazine is prepared by reduction of diazotized 8-aminoquinoline.  1 : (8<1> - Quinolyl)-3 - methyl - 5 - pyrazolone is prepared by the reaction of 8-quinolylhydrazine with ethyl acetoacetate in acetic acid solution.
Patent GB-631272-A (GB)
Title: Recovery of polymeric materials
IPC: C08F36/04
Filed: 1947-05-30
Abstract: <PICT:0631272/IV (a)/1> Polymers or copolymers made at temperatures below 0 DEG  C. in the presence of a Friedel-Crafts catalyst are recovered from a dispersion in a volatile water-insoluble solvent by heating the dispersion under superatmospheric pressure in a pressure dispersion zone, passing the heated dispersion into agitated, and preferably hot, water in a flashing zone at a lower pressure to flash off the solvent and volatile unreacted monomers and then recovering the polymer or copolymer from the slurry so formed. Suitable polymers include polymers or copolymers of a lower olefin, preferably an iso-olefin, with or without a minor proportion of an aromatic mono-olefin and/or a polyolefin having 4 to 10 carbon atoms in the molecule.  Suitable olefins are isobutylene, 2-methyl butene-1 and propylene.  Aromatic compounds include styrene, a - or p-methyl styrene, a -methyl-p-methyl styrene, p - chlorostyrene, dichlorostyrene, dihydronaphthalene and indene.  Suitable polyolefins are butadiene, isoprene, dimethyl butadiene, piperylene, methyl pentadiene and cyclopentadiene.  The polymer-solvent mixture is forced through the heater 3 where it is heated above the solvent hydration point, and into the pressure dispersion zone 5.  Heated water, which may contain emulsifying agents, is led through line 6 into the mixer 5 where a ternary dispersion is formed.  The catalyst is here hydrolysed and is later removed in the water phase.  A steam or water jacket 7 maintains the temperature at 100-200 DEG  F., and the pressure used is normally from 100-500 lbs./sq. inch.  The dispersion is discharged through lines 8 and 9a or 9b below or above the liquid level in a flashing tank 10 where the pressure is from 1 to 2 atmospheres absolute.  The resultant slurry is agitated while the liberated solvent and unreacted monomers are withdrawn through line 11.  Water from line 6 or steam from line 14 may be injected into the slurry to assist their removal and to maintain the temperature at 100-200 DEG  F.  The slurry is fed into one or more stripping zones 16 kept at atmospheric pressure or below and into which steam is led through lines 14 and 18.  The stripped slurry is passed through a filter 23 provided with press rolls 24 and the resulting cake is further dried and may be extruded and pelleted. Specification 513,521 is referred to.
Patent GB-764953-A (GB)
Title: Improvements for and relating to building construction for prefabricated structure
IPC: E04B2/58
Filed: 1953-05-19
Abstract: 764,953. Walls. ILKE, F. E. M., and ANDERSON, J. P. May 19, 1955, No. 14490/55. Class 20(4) A building comprises wall panels 5 grooved to abut closely against vertical tubes, rods &c. 9 which are cemented in holes 10 in a foundation 2, the panels being steadied at their tops by a continuous iron strip 7 pressing down on the panels by screwing nuts at the tops of the tubes. Adjustment of the tubes &c. 9 to suit the panel width is provided by making the holes 10 elongated and by making elongated slots in the iron strip 7 through which the top ends of the tubes 2 pass. The rafters are held down against the tubes by U-shaped brackets 14 bolted to the top of the tubes 2 and receiving the rafter secured in the U by nails.
Patent GB-129509-A (GB)
Title: A New or Improved Collapsible Crate.
Inventor: CLEAVER ALFRED
IPC: B65D6/18
Filed: 1918-09-07
Abstract: 129,509. Cleaver, A., (trading as Cleaver & Co., A.). Sept. 7, 1918. Folding crates; boxes of skeleton formation; corner joints.-The base consists of a rectangular frame 1, formed of bars of angle-section, to which the sides 6, 7, also of rectangular form, are hinged so as to fold down upon the base. The top members 4, 5 of the sides are of angle-section, and are connected together in the erect condition by nuts 12 engaging bolts or studs fixed to the ends of the members 4 and passing through holes in the members 5. The sides 6 are hinged slightly higher than the sides 7 so as to fold flat thereon and, when folded, the bolts 10 of the upper side engage slotted lugs 14 on the base and are secured thereto by the nuts 12. The sides and base are preferably provided with diagonal members 16, and a loose cover or top may be provided.
Patent GB-269001-A (GB)
Title: Improvements in or relating to road vehicles
IPC: B60R3/02
Filed: 1926-06-09
Abstract: 269,001. Watts, A. W., and Duple Bodies & Motors. Ltd. July 9, 1926. Steps. - In road vehicles, a portion of the floor adjacent the door is adapted to be lowered to form a step and to be raised into its normal position as part of the floor when not in use as a step and when the door is closed. A metallic shield f secured to the floor b and to the running-board g is provided with pivot pins or bolts h on which side members l are arranged to swivel by means of slots o. The side members l carry the portion c of the floor which is adapted in its lowered position to act as a step. Dowels m, m<1> are provided adapted, in the raised position of the member c, to engage the floor b and a hinged member d carried by the door a and, in its lowered position, to engage a slot in the shield f.
Patent GB-342621-A (GB)
Title: Telescopic advertising pillar
IPC: G09F15/00
Filed: 1930-05-12
Abstract: 342,621. Moving signs. HORV‡TH, T. ERNST-, 10, Teybergasse, Vienna. May 12, 1930, No. 14609. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 15, 1930.] [Class 3 (i).] A telescopic advertising pillar comprises two or more display members which are continuously reciprocated. Figs. 2 and 4 show the operating mechanism for three members 1, 2, 3, the bottom member 1 of which is stationary. A motor 17 through worm gear 14, 15 drives a pinion 12 which engages a compound rack 7, 11. Starting from the bottom position the upper rack 11, carrying the member 3, is first raised till a bolt 9 attached to the lower rack 7 reaches the end of a slot 10 in the rack 11. A spring pawl 20 then takes under the rack 11, and the pinion 12 proceeds to raise the rack 7. The member 2 is lifted by engagement of its thickened rims with those of the member 3. The upward motion is reversed by a switch lever 23 being thrown over by a stop 22 on the rack 7. On the downward movement the pawl 20 is released by engagement with a stationary abutment 21, and a stop 25 on the rack 11- again reverses the motor. A single rack may be employed. Fig. 6 shows a modification in which the member 3 is attached to a screwed shaft 27 mating with an internally and externally screwed sleeve 26 working in a worm-wheel 32 driven by a worm 33 connected to the motor. As the wheel 32 rotates the sleeve 26 rises, being prevented from rotation by a member 29 engaging a fixed guide 35. When the member 29 reaches the top of the guide 35 it engages recesses 34 in the wheel 32, thus coupling the wheel 32 and sleeve 26 and causing the non- rotatable' shaft 27 to rise further. The members 1, 2, 3 may be transparent and be internally illuminated.
Patent GB-316714-A (GB)
Title: Improvements in devices for screening minerals and the like
IPC: B07B1/18
Filed: 1928-05-19
Abstract: 316,714. Hiscox, W. A. May 19, 1928. Rotary sieves consist of a number of curved perforated plates c<3>, c<4>, set eccentrically to one another and overlapping in such a manner as to form chambers in which the finer material is sifted, the coarser material being retained on the inner members of the sifting chambers and cascading from one to another. Preferably the perforations are smaller in the outer parts c' than the inner c<3>, and the plates are supported at their ends c<2> by struts e. The plates may be supported in a metal frame b or may be connected to one another as at d. The passage of the material through the screen may be obtained by inclining the screen or by providing propulsion devices.
Patent GB-125313-A (GB)
Title: Improvements in Mechanism for Operating Sliding Abutments in Rotary Engines.
Inventor: HICKSON SAMUEL ARTHUR EINEM
IPC: F01C1/356
Filed: 1918-09-11
Abstract: 125,313. Hickson, S. A. E. Sept. 11, 1918 Movable-abutment type; valves, distributing and cut-off; valve-gear and valve-actuating mechanism.-Abutments are moved outwardly to allow passage of the vanes by a forked-member C closely embracing the end-cover A of the engine, one end of the member C being moved by a double-armed lever J operated by a cam L on the shaft and the other end engaging the end of the abutment D.. For a reversible engine, two levers J are provided with their arms J<1> axially displaced, and the cam L is put into engagement with one or other as required. Rotary valves O, O<1> serving either as admission or exhaust valves as described in Specification 125,312 are operated by arms P, P<1> on their spindles, which are engaged by projections Q on the fork-member C. Subsidiary valves R passing steam to the back of the abutments are similarly operated by the projection Q<1>. The mechanism for operating the fork member C may include a face-cam grooved to engage a pin on the lever J.
Patent GB-1324293-A (GB)
Title: Derivatives of urea or thiourea and biologically active composition containing them
IPC: C07D213/75
Filed: 1971-05-14
Abstract: 1324293 Derivatives of urea or thiourea and biologically active compositions containing them PHILIPS GLOEILAMPENFABRIEKEN NV 14 May 1971 [15 May 1970] 14876/71 Heading C2C The invention comprises compounds of formula wherein A is a hydrogen atom, a halogen atom, a methyl group or a methoxy group; B is a hydrogen atom, a halogen atom, a methyl group or a methoxy group with the proviso that A and B do not both represent a hydrogen atom; X and Y each represent an oxygen atom or a sulphur atom, R is a hydrogen atom, an alkyl group, a hydroxy group, an alkoxy group, an alkoxymethyl group, an acyl group or an alkoxycarbonyl group; R 1  is a hydrogen atom, an alkyl group optionally substituted with a halogen, an alkoxy, an alkylthio or a cyano group; a 1-cycloalkenyl group, a benzyl group optionally substituted with a halogen; a hydroxy group, an alkoxy group, an acyl group, an alkoxycarbonyl group, an alkoxythiocarbonyl group, an alkylsulphonyl group, whilst furthermore R and R 1  together with the group indicated in the above formula may form a ring system, and R 2  represents a substituted or non- substituted phenyl group or a pyridyl group optionally substituted with halogen, nitrocyano or a halogenated group and wherein said substituted phenyl group contains at least one substituent chosen from the following groups (a) to (k): (a) 1-3 halogen atoms, (b) 1-2 alkyl groups optionally substituted with halogen, hydroxy, alkoxy, alkylthio, dialkylamino, alkylsulphonyl and phenyl, (c) tri- or tetramethylene, (d) a cyclohexyl group optionally substituted with halogen or cyano, (e) 1-2 nitro groups or cyano groups or alkoxy groups, (f) a dioxymethylene or dioxyethylene group, (g) an acyl group which may be substituted with halogen, (h) an alkyl sulphonyl, phenyl sulphonyl, alkylthio, phenylthio or phenoxy group, which groups may be substituted with halogen, (i) a sulphonamide group which may be alkylated, and (k) a phenyl group which may be substituted with halogen, nitro, cyano and halogenated alkyl. These compounds may be obtained by reacting a compound of formula wherein A, B, X and Y have the aforementioned meanings with a compound of formula R 1 R 2 NH. Many compounds are specified in the Specification. The invention also comprises a biologically active preparation which contains as an active constituent in combination with solid or liquid carrier material a compound according to the present invention.
Patent GB-1202363-A (GB)
Title: Improvements in or relating to numerically-controlled machine tools
IPC: B65G47/00
Filed: 1966-05-12
Abstract: 1,202,363. Machine tool installations; drilling machines. MOLINS MACHINE CO. Ltd. and D. T. N. WILLIAMSON. 8 Aug., 1967 [12 May, 1966; 15 March, 1967; 5 May, 1967], Nos. 14919/70; 14920/70 and 14921/70. Divided out of 1,202,361. Headings B3B and B3C. In a computer controlled machine tool installation for machining a variety of components a number of numerically controlled machine tools, e.g. 106, are provided and supplied with workpiece pallets and tool magazines. Each machine tool includes a loading unit 112 for receiving pallets and tool magazines from a transporter 9 (Fig. 15) and feeding them when required into the machine tool, and for removing them therefrom for return to the transporter 9. The loading unit (Fig. 2) comprises a lower set of paddles 404, 405, 406, 407 each one capable of receiving pallets 408 carrying a workpiece 409, and an upper set of paddles 442-446 each one capable of receiving a tool magazine 448. The paddles are rotated in steps to bring the required pallets and tool magazine to a vertical position where identifying means are read by a read head. The pallets and magazine are moved sideways into the machine tool by a driven beam 501. When a single spindle machine tool is used the pair of linked pallets are separated by a mechanism and the individual pallets are machined separately. Layout of Installation.-In Fig. 15, rack containers 1, 2 are provided for receiving and distributing pallets. Between the containers 1, 2 are positioned three numerically controlled machine tools 4-6 each having its own control unit 4a-6a, and a dipping tank 7 for cleaning completed, or part completed, components. A transporter 9 moves along a track 8 and comprises a pair of arms 11 and 12 which are movable horizontally within members 13, 14 which are themselves movable vertically. A computer 19 controls the installation. The machine tools 4-6 include a modified form of loading unit 22 comprising a short run of roller conveyer 23 leading to a rotatable turret 28 having four paddles 29. (For Figures see next page)
Patent GB-1294033-A (GB)
Title: Method and apparatus for preventing flashback in premix gas burner systems
Inventor: COPE DAVID
IPC: F23D14/72
Filed: 1970-03-26
Abstract: 1294033 Preventing flashback in gas burners ELECTRIC FURNACE CO 26 March 1970 [13 May 1969] 14931/70 Heading F4T A method of and a control device for preventing flashback in an atmospheric gas burner A, includes the step of diluting the air/fuel mixture with an incombustible gas at a flow rate to maintain the diluted mixture flowing at a rate greater than its flame propagation velocity, when the flow rate of the undiluted combustible mixture falls below a predetermined value which is sufficiently greater than the flame propagation velocity to prevent flashback. The control device, which may be electrically, pneumatically or hyhydraulically operated preferably comprises measuring means for measuring the flow rate of the undiluted mixture through a burner port 17, diluting means for injecting incombustible gas into the mixture upstream of the port and control means co-operating with and controlling the diluting means and the measuring means. Such a device may be used with a high temperature direct fired furnace for heating continuous metal strip, which furnace requires shutdown when stoppage of the strip occurs. Blower B supplies air through main pipe16 to mixing tee 18 and fuel gas is supplied to the tee 18 through fuel pipe 20. Metering orifices 22 and 24 ensure a constant air/fuel combustion ratio. Differential converter transmitters 26 and 28 monitor the pressures on each side of orifices 22 and 24 and pass the information via relays 30, 32 to ratio computer controller 36 which automatically adjusts fuel valve 42 to provide the required air/fuel ratio. Temperature control device C controls, through line 48, air valve 44 and thus indirectly fuel valve 42 to control the flow of combustion mixture to burners A. When the firing rate of the burners A falls, pressure switch 50 opens and actuates relay 52, powered by a source D of electrical energy, and three-way solenoid operated air valve 60. This allows pressure source E to act to open valve 66 and deliver incombustible gas from source H into the combustion mixture. The incombustible or inert gas may for example be nitrogen or a nitrogen and carbon dioxide mixture. Sufficient incombustible gas may be provided to snuff out the burner flames completely. Another pressure switch 74 opens when the combustion mixture pressure falls further and actuates electric relay 76 and solenoid valves 80 and 82 to close fuel valve 88 and air valve 92. Valves J, each including check valve 96 and throttling valve 98, ensure quick opening and slow closing of fuel valve 88 and quick closing and slow opening of air valve 92 to control the air/gas ratio at start-up and shutdown. Controller K may automatically detect stoppage of the metal strip travelling through the furnace and operate valve 106 to vent line 48 and operate the control device as disclosed. A modulating control valve (103) may be positioned in line 70, as in Fig. 2 (not shown), to permit automatic adjustment of the incombustible gas flow rate with combustion mixture flow rate.
Patent GB-581094-A (GB)
Title: Improvements in or relating to ceiling construction
IPC: E04B9/22
Filed: 1944-08-04
Abstract: 581,094. Ceillings. FINDLAY, G. K. Aug. 4, 1944, No. 14939. [Class 20 (iv)] [Also in Group XXV] Ceilings of asbestos board sheets &c. are formed in two sets with overlapping edges one being fixed to floor or roof beams 10 and the other detachably connected to the edges of members of the first set by metal clips (see Group XXV) engaging the edges of the sheets. Sheets 1, which terminate each side in upwardly inclined portions 2 are secured to the beams by clips 5. Square or rectangular sheets 15 forming the second set rest on and overlap edges 3 of sheets 1 and are secured by clips 16 embracing the whole length of the edge of sheets 1 and a number of small clips 18 bearing on the upper surface of sheets 15. The transverse abutting edges of the sheets 15 are engaged by H section clips. Glass silk strips 21 are secured between the beams and sheets 1 and extend above sheets 15. In a modification employing entirely flat sheets a multiple clip is secured to the beam with horizontal flanges engaging the overlapping edges of the sheets, and a channel shaped member with its upper flange wedged between one sheet and a flange of the clip and its lower flange supporting the other sheet locks the sheets into a position from which they can only be intentionally displaced. The beams 10 may be formed as described in Specification 580,549.
Patent GB-1094758-A (GB)
Title: Advanceable roof support suitable for use in mines
Inventor: ANDREWS THOMAS DESMOND HUDSON
IPC: E21D23/00
Filed: 1964-04-10
Abstract: 1,094,758. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. June 10, 1965 [April 10, 1964], No. 14951/64. Heading E1E. An advancing mine roof support 1 is provided with at least one adjustable floor-engaging projections 13, see also Fig. 2 (not shown), to vary the depth of penetration into the floor and thereby control the slewing of the support during its advance.
Patent GB-149586-A (GB)
Abstract: 149,586. Valentine, H. J. Feb. 18, 1920. Picture books.-A children's toy book adapted to form a collapsible stage structure comprises a front cover a provided with an opening, a, back cover b which can be held in a curved position, a stage or platform d, and leaves which may be detachable or fixed and are adapted to form scenic backgrounds or to be cut up to form figures &c. for use on the stage. The back cover is coloured on the inside to represent a circus and spectators, and is held in a curved position by its free edge being slipped under a strip c of cardboard on the front cover or by tongues fitting through the front cover. The front cover is coloured and the part d is bent back to form the stage, a tongue e thereon engaging a slit f in the back cover and, if required, similar slits in the leaves forming the scenic backgrounds; or these may be applied to the portion of the back cover above the slit f.
Patent GB-1102771-A (GB)
Title: Preparation of stereoregular polyvinyl alcohol fibres or filaments
IPC: C08F8/12
Filed: 1965-04-08
Abstract: 1,102,771. Producing stereoregular polyvinyl alcohol fibres. MONSANTO CO. 8 April, 1965 [8 April, 1964], No. 14981/65. Heading B5B. Stereoregular polyvinyl alcohol filaments which are insoluble in boiling water are produced by wet or dry spinning a solution of a stereoregular polyvinyl ester of a halogenated acetic acid, in which all three hydrogen atoms of the methyl group in the acetic acid have been substituted by either chlorine or fluorine or by both fluorine and chlorine, and continuously hydrolysing the resulting filaments. The filaments are preferably formed by wet spinning, and the thus formed filaments, stretched, hydrolysed continuously, dried and hot drawn. The spinning solution may contain 12 to 40% by weight of the polyester dissolved in an organic oxygen-containing liquid and may be extruded into a coagulation liquid which is a non-solvent for the polymer but miscible with the spinning solution solvent. The filaments may be stretched immediately after hydrolysis. The organic oxygen containing liquid may be acetone, methyl ethyl ketone, tetrahydrofuran or dimethylacetamide. The coagulating bath may be aqueous. The filaments may be hydrolysed with a base having a pKb value less than 8À0, such as ammonium hydroxide, methanolic ammonia, tetramethyl ammonium hydroxide or a primary or secondary amine. The freshly extruded polyester filaments may be stretched at a draw ratio of 1À05 to 8À0 : 1À0 in a hot aqueous bath, and may be further stretched immediately after hydrolysis. They may then be dried by passing them over a roller maintained at a temperature of from 80 to 110 C. and finally drawn over a heated surface while stretching them at a stretch ratio of from 1À1 to 5À0 : 1À0. The ester spun may be vinyltrifluoro or chlorodofluoroacetate.
Patent GB-1403859-A (GB)
Title: Apparatus for submerging metal chips in a melting furnace
IPC: F27D99/00
Filed: 1973-03-28
Abstract: 1403859 Mixing apparatus VEREINIGTE DEUTSCHE METALLWERKE AG 28 March 1973 [1 April 1972] 15012/73 Heading B1C Apparatus for submerging metal chips in a melting furnace comprises a column 4 mounted on a movable base 3, a cantilever arm or boom 5 mounted on the column so that it can be raised and lowered and slewed about the axis of the column, a rotary stirrer, 11, 12, 15 mounted on the free end of the boom and drive means 13 on the boom for driving the stirrer. Raising and lowering of the boom is effected by a motor 6 driving screw shaft 7. Limit switches 8, 9 controlling the upper and lower limit positions. The boom is of box section and drive to the stirrer includes gearing 14 arid multiple chain drive mean's housed within the boom. Automatic electric control means are provided for lowering the stirrer into the furnace until the load on the motor reaches a maximum rated value, then withdrawing the stirrer from the chips and melt until the boom reaches its upper limit, the stirrer then being lowered again into the furnace.