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    • 2. 发明专利
    • Improvements in and relating to the surface treatment of aluminium and aluminium base alloys
    • GB626693A
    • 1949-07-20
    • GB2790345
    • 1945-10-23
    • HORACE RICHARD WATSONALEXANDER THOMAS WARD
    • C25D5/44
    • 626,693. Electroplating on aluminium &c. WATSON, H. R., and WARD, A. T. Oct. 23, 1945, No. 27903. [Class 41] Aluminium or aluminium base alloys are treated prior to being plated with another metal by immersion in a solution containing a sodium compound, a nickel compound, a tin compound, a carbonate, a chloride and a hydroxide, the tin being present in amounts not less than would be provided by “ oz. stannous chloride in 1 gallon water, the nickel and carbonate being present in amounts not less than would be provided by “ oz. of nickel carbonate in 1 gallon water, and the hydroxide being present in amounts not less than would be provided by 3 ozs. caustic soda in 1 gallon water. The solution may contain alcohol and ether, have a pH value not less than 8, and be maintained at a temperature of 150‹ to 180‹ F. In an example, 4 ozs. sodium stannate and 1.5 ozs. nickel chloride are dissolved in 1 gallon water, and to the solution are slowly added 12 ozs. sodium hydroxide and 1 oz. sodium carbonate. The article to be treated is immersed in the solution maintained at the above temperature, for 30 to 40 seconds, and may be made the anode or the cathode respectively to remove hydrogen or oxides from the surface. It is then rinsed in cold water, cleared in a nitric acid dip, again rinsed, and finally transferred to a copper, brass, zinc or tin primary plating bath, examples of which are given below, where it is " struck for 30 to 40 seconds, and then plated at normal current density for 10 to 15 minutes. It may then be given a final coating in a further plating bath of the same or another metai such as nickel, chromium, silver, gold or rhodium. In a second example the treating solution comprised 4 oz. stannous chloride, 1 oz. each of nickel carbonate and sodium carbonately and 14 oz. caustic soda, in 1 gallon water. The copper primary bath may comprise 10 grams sodium carbonate, 20 grams sodium bisulphite, 30 grams potassium-copper cyanide, 1 gram potassium cyanide, and 2 grams potassium hydroxide, in 1 litre water. The brass primary bath may have 37 grams cupro-cupric sulphitezinc sulphite (Cu 2 SO 3 CuSO 3 ZnSO 3 .3H 2 O), 44 grams potassium cyanide, 2 grams ammonium chloride, and 10 grams potassium hydroxide in 1 litre water, with brass anodes, and -may work at 85‹ F. Zinc primary bath : 30 grams sodium zinc cyanide, 7 grams sodium cyanide, ¢ gram sodium hyposulphite, 14 grams sodium hydroxide, and 6 ccs. polyvinyl alcohol, in 1 litre water. Tin primary bath : 20 grams sodium stannate, 18 grams sodium hydroxide, 10 grams sodium acetate, and 0.75 gram sodium percarbonate, in 1 litre water, used at 130‹ F.
    • 3. 发明专利
    • Improvements in or relating to clinometers
    • GB446194A
    • 1936-04-27
    • GB3439734
    • 1934-11-30
    • ERNEST RICHARD WATSON
    • G01C9/12
    • 446,194. Clinometers. WATSON, E. R., A Lines, Chisledon Camp, near Swindon. Nov. 30, 1934, No. 34397. [Class 97 (ii)] An unbalanced disc carryingtwo spaced weights is pivotally mounted on a base having a flat surface to be applied to a surface to be tested. The disc 1, Fig. 1, has a pair of apertures symmetrically situated on either side of a spoke B. Two lead weights C fixed to the remaining sector of the disc 1 in symmetrical positions constitute the major portion of the weight of the pendulum. Nuts and bolts E can be moved in slots D to adjust the pendulum. The disc 1 constitutes the radial web of a drum carrying a scale and is pivoted in a casing A so that the scale may be viewed through a window J. Two pointers K fixed to a stem passing through arcuate slots P in the casing A and secured to a boss M on the spoke B indicate the inclination on scales on the side walls of the casing. A lever 4 carrying a brake pad at one end may be rocked on its pivot 6 by depressing a plunger W connected to the other end of the lever 4 by a spring Y. The plunger W is normally forced upwards by the spring 8 but may be held in the depressed position by a locking slide 10, 11. An auxiliary pendulum Q with limited freedom has an arcuate coloured portion 3 which indicates the direction of lateral tilt of the casing A by the colour displayed through the window R. Alternatively, lateral tilt may be indicated by bands of colour on the periphery of the main pendulum which 'is then mounted to pivot about two axes. The casing A may carry folding sights S or a telescope.
    • 4. 发明专利
    • Improvements in mechanism for measuring and marking warps in sizing machines
    • GB160915A
    • 1921-03-29
    • GB3244219
    • 1919-12-29
    • BLACKBURN LOOM & WEAVING MACHIRICHARD WATSON
    • D06B3/04
    • 160,915. Blackburn Loom &. Weaving Machinery Making Co., Ltd., and Watson, R. Dec. 29, 1919. Yarns, marking and measuring. - Relates to warp-sizing machines having automatic means for measuring the warps and marking them in shawl lengths, and consists in special means for marking them to indicate to the weaver the cuts, tab ends, and the " gauled-up " lengths between adjacent tab ends. At the end of each cut of shawl lengths, the usual motion is thrown out of gear and the measuring-roller causes a rack carrying adjustable hammer-operating means to be traversed to effect the marking of the tab ends &c. At the end of the cut, a projection 21, on the hammer-lever 20 engages an inclined projection 19a of a lever 19 to turn a shaft 18 having a lever 17 connected by a link 16 to a weighted lever 13, which normally supports the tapered end of a lever 5 on the shaft 3 of the measuring-roller 2. A gear-wheel 8 carried by the lever 5 and in gear with the measuring- roller is thus allowed to fall and mesh with a slidable rack 9 to traverse it to the left. While the wheel 8 is falling, the gear-wheel 12 of the usual motion is thrown out of gear with the measuring-roller by a projection 5a of the lever 5 adjustably linked to the usual gear-lever 10 carrying a wheel 12a, which is normally driven from the measuring-roller and drives the gear-wheel 12. When the rack is traversed, an adjustable inclined block 28 on the rack engages a striking-plate 30 to operate a tab-marking hammer, and a similar inclined block 29 engages a projection 38 to operate another marking-hammer. At the end of the traverse of the rack, an adjustable block 22 on the rack engages a flange 8a of the wheel 8 to move it out of gear with the rack and to turn the lever 5 to restore the lever 13 into the position shown, and to bring the gear-wheel 12 of the usual motion into gear with the measuring-roller. The rack is moved to its normal position by a drum 23 geared to the underside of the rack and having a weighted cord 24 wound upon it. The cut length is determined by a worm-operated bellwheel which can be slid into engagement with a second worm-wheel to double the cut length as inquired without altering the shawl lengths between the cuts. The means for controlling the rack described in the Provisional Specification differ slightly from those described above.
    • 6. 发明专利
    • Improvements in driving motions for dobbies of looms for weaving
    • GB345399A
    • 1931-03-26
    • GB217330
    • 1930-01-22
    • BLACKBURN LOOM & WEAVING MACHIRICHARD WATSON
    • D03C1/34
    • 345,399. Loom dobbies. BLACKBURN LOOM & WEAVING MACHINERY MAKING CO., Ltd. and WATSON, R., Phoenix Iron Works, Blackburn. Jan. 22, 1930, No. 2173. [Class 142 (i).] In dobbies of the Keighley type, the top and bottom draw knives are operated by two separate pivotally mounted levers, so that an independent movement is given to each of the draw knives of the dobby, to enable a dwell period to be imparted to the healds after each crossing period, and also a further movement to be given thereto for the release and the take up of the hooks. The top knife C is connected by a rod d to the top of a lever D pivotally mounted at d , and the bottom knife C2 is similarly connected by a rod d4 to the bottom of a lever D pivotally mounted at d . The knives C , C are connected at the other side of the loom to duplicate levers mounted on the studs d , d2. Antifriction bowls d are provided at the top and bottom of the levers D , D2, the top and bottom bowl respectively of each lever contacting with top and bottom cams B , B , which are mounted on a vertical shaft A driven by bevel gears a, a and spur gears a , a from the main driving shaft A . The cams are mounted on the rotating shaft with the maximum throw of one cam opposite the maximum throw of the other, as shown in Fig. 3, the top cam B having a convex surface bb to give the additional movement to the draw knives for the release of the hooks, whilst the bottom cam is formed with a concave surface b , b3 to allow a synchronized movement of the pivoted levers.