专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明专利

GB618157A Apparatus for folding sheets 未知
公开(公告)号：GB618157A
公开(公告)日：1949-02-17
申请号：GB3194246
申请日：1946-10-28
申请人： ALBERT EDWARD ARMITAGE , WILLIAM GRAHAM
IPC分类号： D06F89/00
摘要： 618,157. Folding fabrics. ARMITAGE, A. E., and GRAHAM, W. Oct. 28,1946, No. 31942. [Class 42(ii)] An apparatus for folding sheets comprises a plurality of spaced travelling bands for conveying a sheet, light-responsive control means arranged to receive light through a space between the bands, and to be screened from light by the passing sheet, and a device controlled by the light-responsive means for engaging and raising the leading edge of the sheet to permit the remainder thereof to be conveyed therebeneath to form a fold, and for releasing the leading edge when the fold has been made. A pair of uprights 2 are carried by the frame on which the rollers for supporting and driving the conveyor bands 1 are mounted; these carry brackets 5 connected by a cross-bar 6, and ball bearings 7 in which a cross-shaft 10 is joura number of fingers 12 having at their ends rollers 13 which, in the operative, raised position, contact the cross-bar 6, and in the inoperative position extend downwardly nalled, the latter having clamped thereon between the tapes 1. The cross-shaft 10 has fixed to it a cross-lever (not shown), one end of which may be operated upon by a solenoid, while the other is counterweighted or spring-loaded. The cell 19 of a photo-electric relay is positioned beneath the conveyor tapes 1, and lamps 17, 18 are secured to a rod 16, forwardly and rearwardly of the cross-bar 6, and are directed at the cell 19. Interruption of the lightbeams by the leading edge of the sheet causes the solenoid to be de-energized and the counterweight or spring causes the fingers 12 to engage and raise the leading edge, which is then held between the rollers 13 and the cross-bar 6. The remainder of the sheet is carried forward, forming a fold, until the passage of the rear edge allows light from the lamp 18 to reach the cell 19, when the solenoid is energized to cause the fingers 12 to drop, the front edge being thus released and falling on the rear edge. A dashpot may be connected to quickly at first, and slowly thereafter. the solenoid to allow the fingers to open Instead of operating the fingers electrically, the photo-electric cell may act through a relay controlling pneumatic or hydraulic power. A further fold may be formed by a second, similar device. Specification 587,593 is referred to.

22. 发明专利

GB604563A Improvements in and relating to the purification of penicillin salts 未知
公开(公告)号：GB604563A
公开(公告)日：1948-07-06
申请号：GB3203245
申请日：1945-11-27
申请人： GLAXO LAB LTD , AUSTIN ERNEST BIDE , WILLIAM GRAHAM , ERNEST LESTER SMITH , PETER ALFRED WILKINSON
IPC分类号： C07D499/00 , C07D499/26
摘要： Salts of penicillin of a high degree of purity are prepared by dissolving a crude metallic (preferably sodium or calcium) salt of penicillin (preferably of not less than 20 per cent purity) in water (preferably in such quantity as to give a concentration of about 1 per cent w/v.), acidifying (preferably to about pH 2.5) with a strong acid, and combining the liberated penicillin acid with one or more tertiary organic bases selected from N-alkylated piperidines, with or without one or more methyl groups as substituents on the carbon atoms of the ring, or N-alkylated pyrrolidines, with or without one or more methyl or ethyl groups (or both) as substituents on the carbon atoms of the ring, the total number of exocyclic carbon atoms in either case not exceeding 5. Preferably, the free penicillin is extracted, before combination with the base, into a suitable solvent (i.e. one into which penicillin can be extracted readily from acidified aqueous solution and which is relatively inert to penicillin, and in which the tertiary base salts of penicillin are relatively insoluble), preferably so as to give a concentration of penicillin therein of 0.25-5 per cent w/v, and advantageously after adding to the aqueous solution a highly soluble neutral inorganic salt commonly used for salting out purposes, and there is added to the extract a suitable secondary solvent (capable of retaining the tertiary base salts of the impurities in solution). As an alternative or in addition to adding the secondary solvent, the precipitate subsequently produced by the addition of at least (and usually considerably more than) one molar equivalent of the tertiary base or bases is washed with (or crystallized from) the secondary solvent or a mixture thereof with the first solvent, and may, if desired, be further purified by recrystallization from an organic solvent or mixture of solvents. To obtain a metal salt of penicillin of a similar high degree of purity, an aqueous solution of the tertiary base salt is treated with a mineral acid, the liberated penicillin is extracted into an organic solvent, and there is added to the extract an aqueous solution or suspension of a metallic hydroxide. In examples: (1) crude penicillin sodium or calcium salt is dissolved in ice-cold water with the addition of sodium chloride followed by ether and then by dilute phosphoric acid, the ether layer is separated the residue extracted with more ether, the combined ethered extracts filtered at -80 DEG C. and shaken with charcoal which is separated by filtration and eluted with ether, then acetone is added to the eluate, followed by a solution of N-ethyl-piperidine in ether, the precipitated salt is filtered off, washed with acetone, dried, and recrystallized if desired by dissolving in warm methylene chloride, adding acetone and then slowly adding carbon tetrachloride; the product may be converted into the pure sodium salt by dissolving it in ice-cold water, shaking with chloroform while adding dilute phosphoric acid, again extracting the aqueous layer with chloroform, neutralizing the combined extracts with aqueous sodium hydroxide, freeze-drying and crystallizing from acetone; (2) the ethereal solution obtained as in (1) is treated with N-n-propylpiperidine, either with the preliminary addition of acetone or with recrystallization of the precipitated salt therefrom; (3) crude penicillin calcium salt is treated as in (1) but using methyl isobutyl ketone instead of ether; (4) crude penicillin calcium salt is treated as in (1) but using methyl ethyl ketone as the secondary solvent and N-ethylhexahydro-a -picoline as the base; (5) the N-ethylpiperidine in (1) is replaced by N-ethylpyrrolidine. Amyl acetate is additionally specified as a suitable first solvent, and sodium nitrate, sodium sulphate, ammonium sulphate, magnesium sulphate and potassium chloride as salting out agents.

23. 发明专利

GB572122A Improvements in sedimentation or settling tanks for clarifying liquids 未知
公开(公告)号：GB572122A
公开(公告)日：1945-09-24
申请号：GB470044
申请日：1944-03-14
申请人： FARRER WILLIAM E LTD , WILLIAM GRAHAM FARRER
IPC分类号： B01D21/06
摘要： 572,122. Clarifying liquids. FARRER, Ltd., W. E., and FARRER, W. G. March 14, 1944, No. 4700. [Class 46] Liquid clarifying apparatus comprises two or more settling tanks, one of which is portable and is arranged within the other tank or tanks, means being provided for causing liquid to flow from the upper portion of the inner tank to the outer tank or tanks and means being provided for drawing off settled particles from all the tanks. In the construction shown, liquid to be clarified enters into tank 1 through pipe 30 and over diffuser plates 31. The tank 1 is supported by roller-bearing, arms 7 on a circular track 5 carried by a bridge 6, and is adapted to be rotated by an electric motor 11. The tank is surrounded by three fixed tanks 2, 3, 4. The tank 1 has double walls 1a, 1b forming channels 18, 19. the outer wall carrying flexible or other scrapers 34 for collecting sediment from the outer tanks. The sediment passes through openings 21, 22. 23 to a channel 13 which surrounds the base 12 of the tank 1. Sediment from the tank 1 is collected into the base by a fixed scraper 32. The tank 1 is cut away at the top to allow liquid to overflow into the tank 2 and into channel 19, the liquid entering tanks 3, 4 through opening 24 and the bottom of the channel 19. Clarified liquid from tanks 3 4, passes through outlets 25, 26 to an outlet 29 into which also liquid from tank 2 overflows.

24. 发明专利

GB523422A Improvements relating to apparatus for removing sediment, or sediment and scum, from settling tanks or reservoirs 未知
公开(公告)号：GB523422A
公开(公告)日：1940-07-15
申请号：GB46739
申请日：1939-01-06
申请人： CHARLES DAVIS , WILLIAM GRAHAM FARRER
IPC分类号： B01D21/04

25. 发明专利

GB472180A Improvements relating to sedimentation tanks or reservoirs 未知
公开(公告)号：GB472180A
公开(公告)日：1937-09-20
申请号：GB957236
申请日：1936-04-01
申请人： WILLIAM GRAHAM FARRER , CHARLES DAVIS
IPC分类号： B01D21/06
摘要： 472,180. Gravity-separation apparatus. FARRER, W. G., and DAVIS, C. April 1, 1936, No. 9572. [Class 111] Liquid is supplied to a settling- tank through an annular channel 2, the inner wall of which forms a weir, and is discharged through a central outlet 5. The settled sludge is pushed into hoppers 6 adjacent the wall of the tank by scrapers 7 on arms 8 depending from shafts 9. The shafts 9 are attached to shafts 10 supported by wheels or rollers 11, driven -by an electric motor 12.

26. 发明专利

ES129165A1 Un procedimiento para la ondulación permanente del cabello. 未知
公开(公告)号：ES129165A1
公开(公告)日：1933-03-01
申请号：ES129165
申请日：1932-12-29
申请人： BARNETT WILLIAM GRAHAM , BARNETT GLADYS GRAHAM

27. 发明专利

GB327460A Light heat and sound projectors 未知
公开(公告)号：GB327460A
公开(公告)日：1930-04-07
申请号：GB62129
申请日：1929-01-07
申请人： WILLIAM GRAHAM WOOD
IPC分类号： F21V7/00
摘要： 327,460. Wood, W. G. Jan. 7,1929. Reflectors.-In a heat projector the shape of the lower portion of the reflector is similar to t h a t described i n Specification 301,942 but the two halves on opposite sides of the vertical median plane are angularly displaced by partial rotation (i) about a vertical axis passing through the common proximate focus F1 so that the rays reflected by the two halves overlap each other, as shown in Fig. 4, (ii) about the horizontal major axis A1A1 1> so that the laterally directed rays are deflected below the horizontal, as shown in Fig. 7, or (iii) about both these axes. In the form shown in Fig. 4, the two halves are separated by a horizontal angle 2C, the opening F4 1>, YF4 11> in front of the focus F, being filled by a reflecting surface whose profile follows the elliptical arcs F4 1>Y, and F4 11>Y, whilst one of the two overlapping corners A Y A behind the focus F1 is eliminated. In the form shown in Fig. 7, the two halves are separated by a vertical angle 2 , the opening F4 1>A1F4 11> being filled by a reflecting surface which may be a section of an ellipsoid whose axis is A1A1 1> and profile follows the arcs A1F4 1> and A1F4 11>, a section of a paraboloid, or otherwise. The original shape of the upper portion of the reflector mav be the same as that of the lower portion, the overlapping apices caused by the vertical angle 2d being removed, or it may comprise a hemi-ellipsoid having a proximate focus at F1, the opening B Y B , Fig. 4, caused by the horizontal angle 2C being filled with a reflecting surface conforming to the profiles of the two intersecting elliptical arcs- Owing to the vertical angle 2d, the upper portion of the reflector may comprise a complete hemi-ellipsoid P1A1O1 the segments PA,P, and OA,O, being removed, or it may comprise only the segment PA1O. The reflector may be formed in three parts, an upper part U, Fig. 8. and two lower parts S. T. formed with vertical flanges E and with horizontal flanges D, which latter also serve as means for mounting the reflector in the projector casing. The flanges E may be locked together as by means of rivets or screws, or by means of tongues V passing through slots cut in the flanges when forming the tongues. A pair of spring bails 3, 4 are held together by means of a ring 7 formed on one of the bails, and are formed with shoulders 5 and hooks 6 adapted to pass through registering holes X formed in the flanges D and in a shelf extending round the interior of the projector lamp casing.

28. 发明专利

GB312289A Improvements in and relating to the manufacture of amino-halogen-anthraquinones 未知
公开(公告)号：GB312289A
公开(公告)日：1929-05-21
申请号：GB3125427
申请日：1927-11-21
申请人： ERNEST GEORGE BECKETT , WILLIAM GRAHAM WOODCOCK , JOHN THOMAS , SCOTTISH DYES LTD
IPC分类号： C07C225/34 , C09B1/22
摘要： 312,289. Beckett, E. G., Woodcock, W. G., Thomas, J., and Scottish Dyes, Ltd. Nov. 21, 1927. Samples furnished. Aminohalogenanthraquinones are obtained together with varying amounts of di- or polyaminoanthraquinones by autoclaving di- or polyhalogenanthraquinones with ammonia, and interrupting the process before the proportion of di- or poly-aminoanthraquinones in the product exceeds that of aminohalogenanthraquinone The aminohalogen compounds are separated from the di- or poly-amino compounds and from unchanged parent material by virtue of their different solubilities in sulphuric acid of various concentrations. According to examples, 1.: 5- dichloranthraquinone is autoclaved with ammonia, and the product, consisting of 1- amino-5-chloranthraquinone, 1: 5-diaminoanthraquinone, and 1 : 5-dichloranthraquinone, is worked up by dissolving in concentrated sulphuric acid, diluting to 80 per cent strength, cooling to 80‹ C. and filtering off the dichloranthraquinone; on cooling, the sulphate of 1-amino-5-chloranthraquinone separates; on dilution of the filtrate to 10 per cent, a mixture of 1-amino-5-chloranthraquinone and 1 : 5-diaminoanthraquinone separates. Specification 173,006 is referred to.

29. 发明专利

GB307817A Improvements in or relating to power actuated steering gear for road vehicles 未知
公开(公告)号：GB307817A
公开(公告)日：1929-03-14
申请号：GB3388227
申请日：1927-12-14
申请人： JOHN ALLEN & SONS OXFORD LTD , GEORGE WILLIAM GRAHAM ALLEN
IPC分类号： B62D5/09
摘要： 307,817. Allen & Sons (Oxford), Ltd., J., and Allen, G. W. G. Dec. 14, 1927. Hydraulic and pneumatic transmission.-Comprises power or relay steering-gear having valvecontrol means formed in two parts and means interposed between the ends of the parts for varying the effective lengths of the parts. In the construction shown in Fig. 1 a steering roller 6 is controlled by a piston 1 in a cylinder 2 the distribution of steam to which is effected by a valve 18. The valve is controlled by a hand-lever 16 and a spring 23, and the valve-rod is made in two parts 15, 17 separated by a wedge 11 carried by a bell-crank lever 9 connected to the piston rod 3. Thus, when the hand-lever is operated the valve is moved to admit steam to one side or other of the piston, the piston is moved and rotates the roller 6 and also adjusts the wedge 11 between the valve-road parts until the valve is returned to its central or cut-off position. Modifications are described in which (1) a cam is inserted between the adjacent ends of the valve-rod parts, (2) a togglelink connection is provided between the handlever and the valve, the toggle being broken or straightened by a link connected to the steering gear, and (3) one part of the valve-rod is formed as a sleeve on the other part, this sleeve carrying a sliding wedge actuated by the steering-gear. The invention may be applied to a vehicle having a steerable endless-track as described ih Specification 259,667, [Class 79 (i), Locomotives &c.].

30. 发明专利

GB301942A Projecting reflector for light and other radiant energy 未知
公开(公告)号：GB301942A
公开(公告)日：1928-12-10
申请号：GB2087927
申请日：1927-08-08
申请人： WILLIAM GRAHAM WOOD
IPC分类号： F21V7/04
摘要： 301,942. Wood, W. G. Aug. 8, 1927. Reflectors.-In a heat reflector, vertical sections of the lower portion of the reflector are in the form of ellipses, this lower portion being built up of a series of downwardly diminishing ellipses lying in planes converging to a remote horizontal transverse line. The upper portion of the reflector may be symmetrical with the lower portion, or it may be in the form of a hemiellipsoid. The surface of the reflector may be made smooth by using an infinite number of downwardly diminishing ellipses, or it may be formed of a limited number of sections of finite width. In the form shown in Fig. 1, the vertical section ellipses have common proximate foci F1, remote foci F , - - F 4 lying in a vertical plane on a line which may be straight ur curved, such as the arc of a circle with centre at F 1, major axes A1, A 1, - - A4A 4 of equal length, and proximate vertices A, - - A4, and remote vertices A 1 - - A 4 lying on arcs of a parabola, ellipse, or hyperbola. T1 - - T4 and T 1 - - T 4 indicate respectively the proximate and remote vertices of the downwardly diminish. ing ellipses converging to a remote horizontal transverse line F 1 F 2 intersecting the longi. tudinal axis of the reflector at the remote focus F 1. The latter may be at infinity, or in front or behind the common proximate foci F1 in which cases the proximate vertices T, - - T4 lie respectively on parabolic, elliptical or hyperbolic curves, each having foci coinciding with the foci F1 F 1. In each case the remote vertices T 1, - - T 4 lie on the arc of an hyperbola having foci at F, F 1. The reflector is formed from the external limiting surface of these ellipses, and rays from a source at the common proximate, foci F, will cross at the remote foci F 1 - - F 4 to diverge laterally at a wide angle through a narrow aperture cut in the reflector at or adjacent to the remote foci, and will then converge vertically on to the horizontal transverse line F 1, F 2. The rejector may also be formed from the internal limiting surface generated by revolving conic sections about their longitudinal axes, and then revolving the quadric surfaces of revolution so formed about a common focus as centre, the axes moving in a plane so as to maintain the remote foci on a transverse line in that plane, the surfaces all containing a fixed point outside but adjacent to that plane. In the form shown in Figs. 3 and 4, F, is the common foci, T 4 is the common external point, and F 1 T 4 is a circular arc with centre at F 1. Straight lines from the remote foci F 2 passing through points such as F 1, F\ on the circular arc F 1 T 4 intersect the ellipsoid V2 N, V 2 M1 at points such as T 2 T 3. By taking an infinite number of such lines, the points of intersection form a surface which is shown in a median horizontal section as an ellipse V1 O1 V6 P1 in Fig. 3, and in medial vertical section as T1 T 4 V6 T 4 V1 in Fig. 4. The quadric surfaces of revolution will be paraboloids, ellipsoids or hyperboloids, according as the remote foci F 2 is at infinity, or inside or outside the surface. The proximate vertices lie on the curve V1V2 V4 V6 V7 V1, and the remote vertices on the hyperbolic arc V 1 T 2. The hyperboloidal surface may be used when it is desired to reflect some of the heat rearwardly and sideways. For this purpose the reflector may be cut away along the line T 2 T to allow heat to be reflected from the arc T 7 T 4. The reflector may also be formed from the internal limiting surface generated by intersecting the surfaces of the quadric surfaces of revolution by a series of right circular cones, the vertices of which coincide with the remote foci, one element of each cone passing through a fixed point in the plane containing the axis of the cone and the fixed proximate foci, and ter. minating at a point which is common to the quadric surface of revolution and which lies on an ellipse having foci at the fixed proximate foci and the said fixed point. In Fig. 3, F 2 F 1 is the axis upon which lie the coincident positions of the remote foci and the vertices of the cones, F 1 is the fixed point, and V, O1 V6 P, is the said ellipse. Specification 239,782, [Class 75 (ii), Lamp chimneys &c.], is referred to.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式