Product having alveoli, semi-finished product therefor and metho

Details Product having alveoli, semi-finished product therefor and metho Product having alveoli, semi-finished product therefor and metho

1990-02-15

1992-12-15

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428120, 428156, 428167, 273 81R, 273 81B, 273 816, 273167R, 273167D, 273167E, 273193R, 273175, B32B 300, A63B 5302

Patent

active

051716216

ABSTRACT:
A method of making a finished product, a semi-finished product for making the finished product, as well as the products made thereby. The semi-finished product includes at least one surface having a plurality of recesses, or alveoli, therein, in which the method includes determining a depth of material to be removed from the surface during a finishing process, and forming each of the plurality of recesses in the surface to have a substantially cylindrical section which extends for a predetermined depth within the surface which is greater than or equal to the predetermined depth of material. The substantially cylindrical section of each of the plurality of recesses extends along an axis substantially perpendicular to the surface of the product. During an abrasion step, material is removed from the surface of the semi-finished product to a depth less than or equal to the predetermined depth. Accordingly, regardless of the specific depth of material removed from the surface proximate the plurality of alveoli, the respective contours of the alveoli with the surface remain substantially the same. The semi-finished product is adapted to be used in the manufacture of a finished product such as a golf club head or a golf club handle.

REFERENCES:
patent: 1695476 (1928-12-01), Winkler
patent: 3640028 (1972-02-01), Richard
patent: 4650708 (1987-03-01), Takahashi

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