Document Type and Number:
Japanese Patent JPS5116818
Kind Code:
B1
Abstract:
1,261,541. Golf club shafts. DUNLOP HOLDINGS Ltd. 10 Dec., 1969 [10 Dec., 1968], No. 58609/68. Heading A6D. A golf club shaft is formed from a plastics material reinforced with carbon fibres. The carbon fibres may be in the form of one or more warp sheets, tape, or long filaments or strands and may have been pyralised to graphite crystals on the surface only. The plastics material may be an epoxy, polyester or phenolic resin. The shaft may also contain glass fibres and/or metal sheet or mesh. As shown, a golf club shaft is made from impregnated warp sheets of carbon fibres 11, 12 and 13, the fibres in sheet 11 being aligned with the axis of the shaft and the fibres of sheets 12 and 13 being at right-angles to each other and 45‹ to those of sheet 11, which are rolled onto a removable mandrel 10 and cured under heat and pressure.
Application Number:
JP9930369A
Publication Date:
May 27, 1976
Filing Date:
December 10, 1969
Export Citation:
International Classes:
B32B5/00; B32B5/08; (IPC1-7): A63B53/10
Domestic Patent References:
| JPS3212844Y1 | ||||
| JPS3926958Y1 | ||||
| JP43016081A |
Foreign References:
| GB1110791A | 1968-04-24 |
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