baber/WOPTO huggingface dataset:
Patent GB-1492371-A (GB)
Title: Methods and apparatus for detecting the operation of the keys of a keyboard
IPC: H03M11/20
Filed: 1976-04-14
Abstract: 1492371 Keyboards NIXDORF COMPUTER AG 14 April 1976 [15 April 1975] 15283/76 Heading G4H In a keyboard arrangement in which key elements are cyclically interrogated, a signal is generated to indicate operation of a specific key only if, during a check time interval, operation of a further key has not been detected, or (claimed separately) a store is provided having two storage positions for each key holding the last and next-to-last interrogation results for the key respectively. As disclosed, an address counter can select and interrogate a key element in a keyboard using 2D co-ordinate selection via two decoders to determine whether the key is actuated or not, and at the same time addresses a store holding, for each key, the results of the last and next-tolast interogations. The sense signal from the interrogation is thresholded in a comparator feeding a sequence control system, which executes an algorithm which includes a first loop in which the address counter is progressively incremented to interrogate the key elements in turn and examine and update the stored information. If for any key, in this first loop, the last interrogation result is "operated", the next-to-last is not, the key is currently operated and a consistency timer is off, the timer is turned on (it will turn itself off after a delay) and the first loop is exited from to enter a second loop which operates similarly to the first except that it is exited from to return to the first loop after the timer goes off and will also exit to the first loop under the same condition as given above for exit from the first loop less the requirement regarding the timer, and the timer is not controlled on exit from the second loop. The second condition for exit from the second loop indicates multiple-key error and an errorindicating signal is produced in this case. The use of stored last and next-to-last interrogation results, as above, enables noise to be ignored. If a key is correctly operated, i.e. during the consistency timer period no other key is determined to be operated, the content of the address counter for the key is gated into an output register. The threshold of the comparator is reduced when the stored last and next-to-last interrogation results both indicate "operated".
Patent GB-1122715-A (GB)
Title: Substituted quinoline 3-carboxylates
Inventor: PATCHETT ARTHUR ALLAN
IPC: C07D215/56
Filed: 1967-04-04
Abstract: Novel compounds of general formula <FORM:1122715/C2/1> <FORM:1122715/C2/2> wherein R is OH or halogen, R3 is C1- 5 alkyl, R6 is C1- 5 alkoxy or C2- 4 haloalkoxy and R7 is di(C1- 5)alkylamino are prepared by cyclization of a compound of formula <FORM:1122715/C2/3> optionally followed by hydrolysis and optionally further followed by conversion to the acid chloride R = halogen and optionally with reconversion back to an ester by reaction of compound R = OH or Cl with an alcohol R3OH.  Acrylates of the general formula <FORM:1122715/C2/4> are prepared by reaction of a malonate of formula R3.O.CH:C(COOR3)2 with a compound of formula  <FORM:1122715/C2/5> Substituted amines of the last general formula above are prepared by reduction of the corresponding nitro compounds (NO2 for NH2) which themselves are prepared by nitration of the R6, R7 substituted benzenes.  o-n-Propyldiethylaniline is prepared by reaction of the o-phenol with propyl bromide and NaH.  N,N-diethyl-o-(a ,a ,b -trifluoro -b  - chloroethyoxy) - aniline is prepared by ethylation of the corresponding aniline which is itself prepared by reduction of the corresponding nitrocompound.ALSO:Compositions for the control of coccidiosis comprise one or more novel compounds of formula <FORM:1122715/A5-A6/1> wherein R3 is C1-5 alkyl, R is OH or halogen R6 is C1-5 alkoxy or C2-4 haloalkoxy and R7 is di (C1-5)-alkylamino and an orally ingestible carrier or diluent and optionally a compound not of the above formulae which is a known coccidiostatic compound. A method for the prevention or treatment of coccidiosis comprises administration of an above novel compound or composition to poultry.
Patent GB-481550-A (GB)
Title: Improvements in processes and apparatus for the treatment of textile fibres in the from of laps or webs
IPC: D01G15/94
Filed: 1937-06-02
Abstract: 481,550. Treating laps or webs of fibres. ATELIERS H. DUESBERG-BOSSON SOC. ANON. June 2, 1937, No. 15354. Convention date, March 27. [Class 120 (i)] A web or lap of fibres formed by a mixture of wool and /or cotton fibres with waste materials such as torn-up rags is subjected to an elastic pressure and to friction whereby the hard twisted threads will be untwisted and opened, small pieces of fabric torn up into the form of flock, and bodies of vegetable origin crushed. The web 1, Fig. 1, detached from a doffer 3, passes between two smooth rollers 4, 5 which may be cylindrical, conical or frusto-conical and are weighted or spring-pressed together. One roller is preferably formed with a rubber or like surface and the rollers are rotated at different speeds to produce a slip of, e.g. about one-tenth of the speed of the upper roller. This slip produces the friction action which serves to untwist and open the twisted yarns. In a modification, an upper roller 4 co-operates with a stationary lower plate 6 having an elastic layer 7, Fig. 2, or the lower member 6 may be of convex or cylindrical form, Fig. 3, and the web supported on endless bands 9, 10. In a further modification, an endless elastic yielding member supports the web between a lower flat member and the roller. The slip between the two members may be continuous and constant in value, or may be alternating or take place by jerks.
Patent GB-348399-A (GB)
Title: Means for indicating the polarity at any time of a horseshoeshaped electromagnet
IPC: G01R19/14
Filed: 1930-05-19
Abstract: 348,399. Current meters ; currentdirection indicators. TYER & CO., Ltd. and PUNTER, J. W., Ashwin Street, Dalston, London. May 19, 1930, No. 15378. [Class 37.] A strip of soft iron or other magnetic material d, secured to a non-magnetic pivoted needle B, is arranged symmetrically between the poles a<1>, a<2> of a horseshoe electromagnet energized by coils A<1>, A<2>. The strip d is magnetized by induction from a permanent magnet D, one pole of which is adjacent to the central portion of the strip. By this arrangement the ends of the strip are of similar polarity with a consequent pole in the centre, and the movable system is deflected in a direction dependent on the direction of the current in the windings A<1>, A<2>. The needle B is pivoted in two small plates c<2> secured to the polepieces a,<1> a<2> and is provided with a counterweight b to bring it to its central position when the electromagnet is de-energized.
Patent GB-1454648-A (GB)
Title: Adenosine-5-carbohydroxamic acids and esters
IPC: C07H19/167
Filed: 1974-04-08
Abstract: 1454648 Adenosine - 5<SP>1</SP>- carbohydroxanic acid derivatives ABBOTT LABORATORIES 8 April 1974 [11 April 1973] 15390/74 Heading C2C Novel compounds I in which R 1  and R 2  are hydrogen, C 1-6  alkyl halo C 1-6  alkyl, hydroxy C 1-6  alkyl, C 3-6  cycloalkyl C 1-6  alkyl C 3-6  cycloalkyl, C 2-5  alkenyl, C 2-5  alkynyl C 2-6  (alkoxyalkyl) or aralkyl with the proviso that R 1  and R 2  cannot both be hydrogen, each R 3  is hydrogen or acyl or together represent isopropylidene or benzylidene and their acid addition salts are prepared by reacting the corresponding #-chloroethyl adenosine carboxylate with an amine R 1 O(R 2 )NH. The compound prepared by this method is benzyladenosine-5<SP>1</SP>-carbohydroxamate. Compounds I (R 1 =Me or Et, R 1 =R 3 =H) are prepared by reacting 2<SP>1</SP>,3<SP>1</SP>-isopropylidene adenosine-5<SP>1</SP>-carboxyl chloride with the appropriate amine and hydrolysing the isopropylidene group. Compounds I are anti-hypertensive and antianginal agents and form with a carrier or diluent a pharmaceutical composition which may be administered orally or parenterally.
Patent GB-1285272-A (GB)
Title: Gland seal assemblies
Inventor: VALENTE PETER REGINALD
IPC: F16J15/18
Filed: 1970-04-01
Abstract: 1285272 Stuffing-boxes HALLITE HOLDINGS Ltd 19 April 1971 [1 April 1970] 15436/70 Heading F2B Gland packing 3 for a movable member 1 where it extends through a housing 2 comprises a sealing ring 6 of elastomeric material axially located between two end rings 4, 5 of hard material, the three rings having, adjacent one radial periphery, planar-faced portions abutting each other and the sealing ring 6 being axially wider adjacent its other radial periphery 11 then it is in the planar-faced portion 9, the peripheral face 13 of the portion 9 being set back from the adjacent peripheral face 14 of the end rings 4, 5. The packing 3 is compressed in a recess 8 in the housing 2 by a plate 7 whereby the peripheral surface 13<SP>1</SP> of ring 6 is urged into sealing contact with the member 1, Fig. 2. To facilitate replacement of the sealing ring 6 it or at least the replacement ring may be split. The three rings 4, 5 and 6 may be bonded together. The sealing ring 6 may be of nitrile rubber, polyurethane, neoprene, fluorocarbon or ethylene propylene and the rings 4, 5 may be of steel, cast iron, brass, nylon, acetal resin, phenolic resin or reinforced rubber.
Patent GB-908013-A (GB)
Title: Improvements in or relating to glass panels
IPC: C03C1/10
Filed: 1959-05-05
Abstract: 908,013. Laminated glass. COMPAGNIE DE SAINT-GOBAIN. May 5, 1959 [May 6, 1958], No. 15443/59. Drawings to Specification. Class 140. [Also in Groups X and XXIII] A transparent or translucent glass panel having actinic properties by absorbing radiations most damaging by photo-chemical action to coloured substances whilst retaining a neutral grey aspect for observing coloured objects comprises at least one yellow coloured glass sheet, e.g. a sodium-calcium composition with cadmium sulphide or a sodium-zinc composition with cadmium sulphide, to absorb the ultraviolet, violet and indigo radiations and at least one lilac coloured glass sheet, e.g. containing neodymium, to absorb the yellow-orange radiations, the sheets being disposed so that the light illuminating the object, or received by viewing the object traverses them in succession. The plates of glass may be superimposed and adhered together, directly or by an interposed plastic sheet, or spaced apart by a colourless sheet of glass or by a fine veil of glass fibres to improve the thermal and acoustic insulation of the panel. The colour of the glass may be adjusted by the thickness of the sheet or by the amount of colouring salts present or the weaker tones of the yellow sodium-calcium sheet may be adjusted by heating the sheet at a temperature below its deformation temperature.
Patent GB-1178716-A (GB)
Title: High-Strength Container and Container Blank having Seamless Bottom Walls, and Method of Forming Same
IPC: B31B50/00
Filed: 1967-04-05
Abstract: 1,178,716. Forming and erecting boxes; blow-moulding. CHEVRON RESEARCH CO: 5 April, 1967 [5 April, 1966], No. 15594/67. Headings B5A and B5D. [Also in Division B8] Plastics blanks 15 are produced and erected into boxes having a top closure and a reentrant seamless bottom (97), Figs. 11, 13 (not shown) comprising tuck-up panels (100), (101) adhered to a bottom panel (98) (see Division B8) by producing an array of joined pairs of blank preforms 12 by blow moulding or extrusion and severing the array into preform pairs 12 and then individual preforms which are flattened, printed, scored and erected into the completed containers. Palletized plastics material from a hopper 11, Fig. 1, is heated and passed through dual-head dies 23 to form a soft parison 22, portions of which are successively sealed between the two hinged halves 20a, 20b of each of a series of water and/or air cooled moulds arranged on a rotary wheel 21 and closed by air cylinders 24. A hollow blow needle (not shown) is placed within the mould and penetrates the parison 22, forming blank preform pairs 12 connected by webs 12a. Each blank preform pair 12, Figs. 2-4 (not shown) has closed opposite arcuate edges (29), is elliptical in cross-section and may be circular in central cross-section (28). A cutting device 25 severs the web 12a and cuts each preform pair 12 across its central portion (28) into individual preforms which are aligned by a guide 26 relative to rollers 24 between which they are flattened. First and second printing and back-up rollers 44, 45 with an inking mechanism 46 print each side of a preform after which it passes through an ink dryer 47. Scoring rollers 51, 52 with back-up rollers 53, 54 produce fold lines defining side and end panels, Figs. 7 and 8 (not shown) and a second pair of rollers 55, 56 cut the preforms along their upper edge (27), Fig. 5 (not shown). Waste material is then removed from the completed blanks 15 which are mechanically stacked and packed. The blanks 15 may be fed to a mechanism 172, Fig. 16, where they are formed with rectangular cross-section and then fed to a mandrel assembly 146 upon which they are mechanically indexed to erecting stations where the tuck-up panels (100), (101) are formed and rotated into contact with the bottom panel (98) and adhered thereto. An air blast at a stripper 170 removes the completed containers which are then filled and secured at the top closure. The plastics material may be an aliphatic polyolefin such as polyethylene or polypropylene, a vinyl polymer or copolymer, e.g. of vinyl butyral and vinyl chloride, or an acrylic polymer or copolymer.
Patent GB-1130113-A (GB)
Title: Process for the production of bis(aminoalkyl)ethers
IPC: C08G18/18
Filed: 1967-04-05
Abstract: 1,130,113. Bis-(aminoalkyl) ethers. UNION CARBIDE CORP. 5 April, 1967 [6 April, 1966], No. 15613/67. Heading C2C. Bis [beta - (N,N - dimethylamino)alkyl] ethers are obtained by reacting (A) a beta- (N,N-dimethylamino) alkanol, with (B) a beta- (N,N-dimethylamino) alkyl chloride or acid salt thereof; and (C) an alkali metal hydroxide at an elevated temperature. The reaction may be effected at 20-150 C. in an inert liquid diluent. An excess of reactant (A) is suitably employed and the reaction is preferably carried out by adding reactant (B) to a stirred mixture of reactants (A) and (C). In specific examples the preparation of the following compounds is described: bis (2-dimethylaminoethyl) ether, 2 - (N,N - dimethylamino)ethyl 2 - (N,N - dimethylamino) - 1 - methyl ethyl ether and bis[1 - methyl - 2 - (N,N - dimethylamino) ethyl]ether.
Patent GB-514801-A (GB)
Title: Improvements in low-level water-closets
IPC: E03D1/28
Filed: 1938-05-25
Abstract: 514,801. Water - waste - preventers combined with closets. CARLSSON, O. G. May 25, 1938. Nos. 15621 and 15662. Convention dates, May 27, 1937, and March 30, 1938. [Class 26] A closet bowl is flushed by one or more siphons 9, 16 filled from a chamber 10 below a water container 4 on manual operation of a valve 11. The valve 11 is hollow and normally remains raised until the container empties, A small hole 15 in its lower end allows water to enter to return the valve to its seating should the normal flushing period be exceeded due to obstruction of the bowl or should the chamber 10 become filled due to valve leakage. During refilling water is supplied to the main siphon 9 through a branch pipe 18 on the silencing tube 8 until the float 5 closes the filling valve 6 when communication is established to the atmosphere through a small hole 20 in the tube 8. A similar branch pipe 19 may feed the rimflushing siphon 16 or the latter may incorporate an overflow passage 21, Fig. 1, in place of the normal overflow 22, Fig. 2.
Patent GB-206456-A (GB)
Title: Improvements in linings for rotary pulverizers
IPC: B02C17/22
Filed: 1923-06-18
Abstract: 206,456. Denny, J. J., and Watson, R. B. June 18, 1923. Ball and like mills.-Rotary pulverizers are lined with resilient yielding material, such as semi-hard vulcanized rubber, adapted to be temporarily depressed by the crushing-balls in immediate contact therewith during the rotation of the pulverizer. The rubber &c. is provided in strips extending the full circumference of the mill, and it may be backed by a reinforcing lining of fabric or wire mesh. The meeting end edges of adjacent strips 1, Fig. 1, may be secured by curved bars 3 formed in sections with interlocking ends 4. The bars 3 are secured by bolts 5 passing through the wall 2 of the mill. Longitudinal bars 6 extend between the bars 3 to cover the meeting ends of the strips 1, and may be of a flat curved type as shown at 7, Fig. 2.
Patent GB-1022277-A (GB)
Title: Apparatus for applying small particles to a moving surface
IPC: B05C19/00
Filed: 1964-04-16
Abstract: 1,022,277. Web coating apparatus. FARBENFABRIKEN BAYER A.G. April 16,1964 [April 24, 1963], No.15852/64. Heading D1L. Apparatus for applying small particles such as floccules to a moving surface coated with an adhesive layer by means of an electric field comprises a conveyor belt for the floccules, the belt moving over two spaced apart earthed conducting rollers disposed substantially opposite to the moving surface, and means for applying a high voltage to the conveyor belt between the earth rollers to form an electric field between the conveyor belt and the adhesive-layer of the moving surface to effect transfer of the floccules to the adhesive. In the embodiment shown web 1 is taken from a drum 2 and has adhesive applied to it by doctor knife 4 which is at earth potential. The coated web then passes around roller 5 and into the flocculating field 21 between deflecting rollers 13,12, and finally through drying channel 22 to a winding up device. Floccules 6 are applied by brush 8 from an earthed container 7 and through a screen 9 on to endless conveyor belt 19 which carries them into the flocculating field 21. An electric field is formed between the web 1 which is earthed, and belt 19, which is semi-conductive, by contacting the latter with a high voltage source 20 through insulated metal rollers 10, 11. Rollers 14,15,16,17 guiding the belt 19 are kept at earth potential. Any excess of floccules are removed from belt 19 by suction means 18 and the belt 19 may move in the same or contra direction as the web 1 in the flocculating field. Preferably the belt 19 has an electric resistance between 10<SP>8</SP> and 10<SP>11</SP> ohm between the high voltage source and each of the earthed rollers and is preferably formed of a woven belt coated on both surfaces with pigmented polyurethane and the belt is moved at such a speed that the floccules applied to it have no electric contact with each other.
Patent GB-1351564-A (GB)
Title: Illuminating device
IPC: G03B21/20
Filed: 1972-04-06
Abstract: 1351564 Illuminating device MULTIBLITZ DR ING D A MANNESMANN GmbH & CO KG 6 April 1972 [6 April 1971] 15967/72 Heading G2A An illuminating device for illuminating a transparency 22 to be copied, comprises a light source 26 positioned in a box having five mirrored sides e.g. 14, 18, 20, the sixth side being open for receiving the transparency. Preferably an adjustable mirror 28 screens the transparency against direct light. The light source 26 is preferably an electronic flash lamp in an air-cooled glass tube 24. Colour filters (34, 36, 38), Fig. 4, (not shown) are preferably insertable into the box to enable colour separations to be made.
Patent GB-258643-A (GB)
Title: Improvements in or relating to electrical means and systems for the transmission of sound
IPC: H04R19/04
Filed: 1925-06-22
Abstract: 258,643. Rickets, W. J. June 22, 1925. Systems modified for using condenser telephones.-Condenser telephones are associated with oscillating thermionic valves in such a way as to produced currents of telephonic frequency, the valve acting as an oscillator, as a modulator, and as a rectifier. High-frequency oscillations produced in an oscillatory circuit 3, 4 by means of a reaction coil 10 are passed to the grid I through the microphone condenser 2. The rectified low-frequency currents are passed through a transformer 6. According to modifications, the microphone is used in place of or in parallel with the condenser 3 ; the microphone is caused to vary the reaction by connecting it between the plate and grid or in series with a reaction coil; a tuned wave trap is connected between the grid and filament and the microphone is used as the tuning condenser or as the grid condenser; a differential condenser microphone is used and the central diaphragm is connected through an oscillatory circuit to the filaments and the outer plates connected to the grids of two valves working on the push-pull system, or the central diaphragm is connected to the grid of -a valve and the outer plates form the condenser of an oscillatory circuit in which the mid-point of the inductance is connected to the filament of the valve; to prevent direct current passing through the low-frequency transformer it is shunted by a battery, a variable resistance, and an inductance in series and by a high-frequency bye-pass condenser.
Patent GB-1387262-A (GB)
Title: Bottle closure
Inventor: ATKINS H A
IPC: B65D41/17
Filed: 1971-05-20
Abstract: 1387262 Caps for bottles BEECHAM GROUP Ltd 16 May 1972 [20 May 1971] 16052/71 Addition to 1169250 Heading B8T The closure of Specification 1,169,250 is modified in that the shoulder below the neck, the neck and the rib 12 depending from the cap are longer on one side of the minor axis of the bottle than on the other side.
Patent GB-868897-A (GB)
Title: Improvements in or relating to 9ª--halosteroids
IPC: C07J75/00
Filed: 1959-05-11
Abstract: The invention comprises steroids of the formula:  <FORM:0868897/IV (b)/1> (wherein R is an alkyl group of at most 6 carbon atoms, X is carbonyl, hydroxymethylene or alkanoyloxymethylene, the hydroxy or alkanoyloxy group being in the b -configuration and containing at most 3 carbon atoms, Y is -CH2-CH2-, -CH=CH-, -CH(CH3)-CH2- or -C(CH3)=CH-, the 6-methyl group when present being in the a -configuration and Hal is bromine, chlorine or fluorine); and their preparation either by esterification of the 17a -hydroxy compounds, using either a solution of the appropriate acid anhydride in the same acid or using the appropriate acid chloride, or by mixing a 9b  : 11b -epoxy-17a -acyloxy-4-pregnene-30:20-dione with a hydrogen halide in a suitable solvent and, if desired, oxidising the 11b -hydroxysteroid so obtained to the corresponding 11-oxo steroid.  In the esterification referred to above, when the starting material is an 11b  : 17a -diol the product is commonly a mixture of the 11b -hydroxy-17a -acylate and the 11b  : 17a -diacylate, which may be separated by chromatography. Examples illustrating these processes are given.  Further examples describe the dehydrogenation of various steroids of the invention saturated in the 6 : 7-position by heating with chloranil and p-toluene-sulphonic acid in xylene to give the corresponding D 4:6-steroids.  6a - Methyl- 9a - fluoro- 17a - hydroxy- 4-pregnene-3 : 11 : 20-trione is prepared by inoculating a mixture of 6a -methyl-17a -hydroxy-4-pregnene-3 : 20-dione and casein digest medium with a culture of Rhizopus nigricans to give 6a -methyl-11a :17a -dihydroxy-4-pregnene-3 : 20-dione, reacting this with p-toluene-sulphonyl chloride to give the p-toluene sulphonic ester thereof, heating this ester in collidine to give 6a -methyl-17a -hydroxy-4 : 9(11)-pregnadiene-3 : 20-dione, re-acting this with N-bromo-acetamide in presence of perchloric acid to give 6a -methyl-9a -bromo-11b :17a - dihydroxy-4- pregnene- 3 : 20-dione, heating this with potassium acetate in ethanol to give 6a -methyl-9b : 11b -epoxy-17a -hydroxy-4-pregnene-3 : 20-dione, reacting this with hydrofluoric acid to give 6a -methyl-9a -fluoro- 11b  : 17a - dihydroxy-4- pregnene- 3 : 20-dione, and oxidizing this with chromic anhydride in pyridine.  9b  : 11b - Epoxy- 17a - acetoxy- 4- pregnene-3 : 20-dione is prepared by acetylating 17a -hydroxy-4 : 9(11)-pregnadiene-3 : 20-dione to give 17a -acetoxy-4 : 9(11)-pregnadiene-3 : 20-dione, reacting this with N-bromo-acetamide in presence of perchloric acid to give 9a -bromo-11b - hydroxy-17a - acetoxy-4-pregnene-3:20-dione and heating this with sodium carbonate in aqueous tetrahydrofuran and then with acetic acid.