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Improvements in games balls and their manufacture. Dunlop Rubber Co, Douglas Frank Twiss, Samuel Graham Ball, John Francis Cookson, October 19, 1938: GB494031-A (28 worldwide citation)

Games balls such as golf balls are formed as to the outer portion at least, of a nonaqueous mixture of guttapercha or balata and a polymerized vinyl or substituted vinyl compound, e.g. polyvinyl chloride, polyvinyl acetate, polymerized vinyl or a -methylvinyl cyanide, polystyrene, or polymerized est ...


2
Venting means for moulds. Dunlop Rubber Co, April 3, 1963: GB922788-A (28 worldwide citation)

922,788. Venting moulds. DUNLOP RUBBER CO. Ltd. Aug. 20, 1959 [Aug. 25, 1958], No. 28444/59. Class 21, [Also in Groups V and XXIX]. A vent peg 15 that is axially and radially displaceable in a mould member 1, comprises a shaft 5 carrying a valve disc 6 at one end and a projection 7 at its other end, ...


3
Harrison Stanley Richard, Broughton Robert Melson: Playballs. Dunlop Rubber Co, October 14, 1970: GB1209032-A (25 worldwide citation)

1,209,032. Balls. DUNLOP CO Ltd. 6 March, 1968 [6 March, 1967], No. 10531/67. Heading A6D. A playball, especially a golf ball, comprises a core surrounded by a cover the core comprising a material formed from an elastomer by highly cross-linking the elastomer with flexible cross-links by means of a ...


4
Improvements in anti-vibration mountings of the co-axial bush type. Dunlop Rubber Co, Thomas Edward Horace Gray, William Arthur Gurney, August 27, 1947: GB591730-A (24 worldwide citation)

591,730. Resilient mountings. DUNLOP RUBBER CO., Ltd., GRAY, T. E. H., and GURNEY, W. A. May 11, 1945, No. 11832. [Class 108 (iii)] An anti-vibration mounting of the co-axial bush type comprises inner and outer bushes 7, 8 connected by a plurality of radial arms of rubber or like material bonded to ...


5
Improvements in tyres for vehicles. Dunlop Rubber Co, Frank George William King, Leonard John Lambourn, January 26, 1937: GB460338-A (24 worldwide citation)

460,338. Pneumatic tyres. DUNLOP RUBBER CO., Ltd., KING, F. G. W., and LAMBOURN, L. J. Jan. 25, 1936, No. 2373. [Class 144 (ii)] A pneumatic tyre tread comprising the usual projecting ribs, studs, or the like, such as 1, is characterized by serrations extending around the edges of the ribs, or the l ...


6
Improvements in and relating to handle grips. Dunlop Rubber Co, Harry Hatfield Smith, December 15, 1936: GB458367-A (22 worldwide citation)

458,367. Game striking-appliances. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, London, and SMITH, H. HATFIELD-, c /o Dunlop Rubber Co., Ltd., Waltham Abbey, Essex. June 15, 1935, No. 17286. [Class 132 (ii)] A handle grip for a games implement comprises a spiral strip of sponge rubber 2, a winding ...


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Dunn Richard Laurence, Ellison Brian: Improvements relating to stretchers. Dunlop Rubber Co, August 1, 1956: GB754052-A (15 worldwide citation)

754,052. Stretchers. DUNLOP RUBBER CO., Ltd. July 5, 1955 [July 24, 1954], No. 21664/54. Class 108 (1). A stretcher comprises a substantially rigid pan 12 having the part 14 corresponding to the heavier parts of the body depressed below the level of the remaining parts and a resilient mattress which ...


9
Mortimer Frank Radcliffe, Bent William Harold, Dewar Douglas: Combined brake and anti-skid device. Dunlop Rubber Co, April 26, 1962: GB894577-A (14 worldwide citation)

894,577. Anti-skid brakes. DUNLOP RUBBER CO. Ltd. Aug. 28, 1958 [Sept. 5, 1957], No. 28017/57. Class 103 (1). In a combined disc brake and anti-disc unit, a rotary-inertia anti-skid unit 19 is secured to an extension 14b of the caliper housing 4, 5 of the disc brake and driving means is provided in ...


10
Improvements relating to hockey sticks. Dunlop Rubber Co, George Vaughan, Harry Peters, May 24, 1950: GB637779-A (14 worldwide citation)

637,779. Hockey sticks. DUNLOP RUBBER CO., Ltd., VAUGHAN, G., and PETERS, H. June 4, 1948, No. 15060. [Class 132 (ii)] A hockey stick shaft comprises a central portion 1 of willow formed with opposite parallel faces to which are secured one or more composite layers each comprising a lamina of rubber ...