51
Improved method for producing upon the surface of textiles and other materials marbled effects. Carl Jager G M B H, October 10, 1921: GB148187-A (1 worldwide citation)

A film of a mixture of aniline dyestuffs is floated on the surface of a liquid in which the dyestuffs are not soluble, preferably by sprinkling with a brush, and is arranged in any desired patterns by means of a splinter of wood, a comb, &c. A substance with which the dyes can become incorporated, s ...


52
Improvements in or relating to spray nozzle petrol carburettors for internal combustion engines. Firmin Smal, October 10, 1921: GB148224-A (1 worldwide citation)

148,224. Smal, F. Feb. 19, 1919, [Convention date]. Spray carburettors.- Relates to carburettors of the kind comprising a main nozzle 3 surrounded by a choketube 2 and a slow-running nozzle 4 adjacent the edge of the throttle valve 6, both nozzles being fed from a constant-level chamber 5. According ...


53
Improvements in or relating to the manufacture of articles of cement. Oscar Smreker, October 10, 1921: GB148135-A (1 worldwide citation)

148,135. Smreker, O. March 29, 1919, Processes.-Relates to the manufacture of concrete articles, such as beams, pillars, columns &c., of the kind having inserts of asbestos cement adapted to receive screws, rivets, &c., and consists in the employment of sieves or nettings of fine wire, sheets, asbes ...


54
Improvements in the method of connecting conductor bars of dynamo machines. Vincent Groby Apple, October 10, 1921: GB147790-A (1 worldwide citation)

147,790. Apple, V. G. May 20, 1018, [Convention date]. Dynamo-electric machines.-The armature conductors 6, 7 of dynamo electric machines are separated by insulation 10 and their ends 8, 9 deflected into contact and electrically welded together. Apparatus 13 is provided for carrying out the operatio ...


55
Improvements in and relating to wireless receiving systems. British Thomson-Houston, October 10, 1921: GB147811-A (1 worldwide citation)

147,811. British Thomson - Houston Co., (Assignees of Goldsmith, A. N.). June 15, 1918, [Convention date]. Transformers.-Receiving coils for wireless signalling have their resonance frequency determined by their distributed capacity and inductance, and means are provided for adjusting the resonance ...


56
Suction dredgers. Otto Fruehling, Curt Fruehling, October 10, 1921: GB147832-A (1 worldwide citation)

147,832. Fr hling, O., and Fr hling, C. June 26, 1919, [Convention date]. Suction apparatus; digging-apparatus.-In a self-propelled suction dredger with rotary cutters mounted on a horizontal axis in front of the suction head A, the cutters are in the form of ploughshares and are adapted to assist t ...


57
Improvements in universal coupling members and method of producing the same. Victor Lee Emerson, October 10, 1921: GB147860-A (1 worldwide citation)

147,860. Emerson, V. L. Feb. 10, 1916, [Convention date]. Joints; componnd forms.-Universal joints are made by joining a hard finished part and a soft workable part by welding in which the heat is localized. A drawn sheet-steel shell X is roughly ground, heat-treated, hardened, and ground accurately ...


58
Improvements in blowers and exhausters applicable to machines for removing dust. Ernest Alfred Button, October 10, 1921: GB169831-A (1 worldwide citation)

169,831. Button, E. A. July 8, 1920. Self-adjusting bearings; oil, retaining. - The connecting-rods for actuating a bellows for a domestic dust cleaner are provided with spring cotters 8, Fig. 7, for automatically taking up the wear in the bearings of the rods. To retain the lubricant within the bea ...


59
Improvements in and relating to flexible couplings. John Runciman Stephens, October 10, 1921: GB170073-A (1 worldwide citation)

170,073. Stephens, J. R. July 8, 1920. Universal joints.-In universal joints of the flexible disc type for motor vehicles &c., the disc consists of one or more layers, each consisting of a series of links 3, 4 in imbricated arrangement, the spider studs passing through the overlapping portions. When ...


60
Improvements in cycles. William Alfred Millis, October 10, 1921: GB170631-A (1 worldwide citation)

170,631. Millis, W. A. July 8, 1920. Treadle mechanism.-Two treadles A, Bare mounted on separate axles F so as to operate alternately two chain-wheels I, two chains J, and two free-wheels H on the back axle G. The treadle A, B are connected by a pin-and-slot device C, D, E. Reference has been direct ...