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1. WO1996041661 - HOCKEY STICK SHAFT

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[ EN ]

£LAIM£

1. A hockey stick shaft comprising a hollow handle portion; a hollow blade retaining portion; and a transition portion, connecting said handle portion and said blade retaining portion, wherein said handle portion, said blade retaining portion and said transition portion are integrally formed; the internal and external dimensions of said handle portion being less than the internal and external dimensions of said blade retaining portion.

2. A hockey stick shaft as set forth in Claim 1, wherein said hockey stick shaft comprises at least one composite material.

3. A hockey stick shaft as set forth in Claim

1, wherein the internal dimensions of said blade retaining portion correspond to the outer dimensions of the hosel portion of a hockey stick blade.

4. A hockey stick shaft as set forth in Claim

2, wherein said composite material comprises graphite.

5. A hockey stick shaft as set forth in Claim 1, wherein said handle portion includes a roughened external surface.

6. A hockey stick shaft as set forth in Claim 5, wherein the minimum roughness average of said external surface is greater than 500 microinches.

7. A hockey stick shaft as set forth in Claim 5, wherein said roughened external surface is formed in a uniform pattern.

8. A hockey stick shaft as set forth in Claim 7, wherein the roughness average of said external surface is in the range of 666 - 1403 microinches.

9. A hockey stick shaft as set forth in Claim 5, wherein said roughened external surface includes granules adhered to the external surface of said composite material.

10. A hockey stick shaft as set forth in Claim 9, wherein the roughness average of said external surface is in the range of 1088 - 3016 microinches.

11. A hockey stick shaft as set forth in Claim 1, wherein the external shape of said handle portion is different from the external shape of said blade retaining portion.

12. A hockey stick shaft as set forth in Claim 1, wherein said hollow handle portion is filled with a foam.

13. A hockey stick shaft formed from at least one composite material, said shaft comprising a hollow handle portion wherein said handle portion has a roughened external surface having a minimum roughness average greater than 500 microinches.

14. A hockey stick shaft as set forth in Claim

13, wherein said roughened external surface is formed in a uniform pattern.

15. A hockey stick shaft as set forth in Claim

14, wherein the roughness average of said external surface is in the range of 666 - 1403 microinches.

16. A hockey stick shaft as set forth in Claim 13 , wherein said roughened external surface includes granules adhered to the external surface of said composite material.

17. A hockey stick shaft as set forth in Claim 16, wherein the roughness average of said external surface is in the range of 1088 - 3016 microinches.