A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
273/163, 26/204
A63B 49/00 (2006.01) A63B 49/10 (2006.01) B29C 33/52 (2006.01) B29C 45/44 (2006.01)
Patent
CA 1129453
ABSTRACT GAMES RACKETS The invention relates to games racket frames which are made from reinforced plastics material and have a hollow construction. The particular construction and method of the invention enable a satisfactory hollow product to be made by an injection moulding technique instead of the more laborious technique of building a suitable reinforced hollow construction around a mandrel. The frame is a hollow injection moulding of reinforced thermoplastics material in which the walls (21A and 21B) at the outer and inner circumference of the head (21) are joined by support means (25) through which the stringing holes (23) pass. The support means are integrally formed during the moulding. The method of the invention involves the use of a fusible core (10) which is shaped to provide the desired moulding with support means and which is melted out after the moulding is formed. JHM/AB - ISC 5850
322587
Dunlop Limited
Fetherstonhaugh & Co.
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