Iron-type golf club set

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

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Details

273 78, 273167J, A63B 5300

Patent

active

053800044

ABSTRACT:
An iron-type golf club set includes three club groups; a long iron-type club group comprising a plurality of long iron-type clubs having lower club numbers, a middle iron-type club group including a plurality of middle iron-type clubs having medium club numbers, and a short iron club group including a plurality of short iron-type clubs having higher club numbers. The long iron-type clubs of the long iron-type club group each includes a club head which contains a sole made of a metal material and a shell having a ball-hitting face and a core which is made of a foaming material and enclosed in the shell, and the shell is made of a fiber-reinforced material. The middle iron-type clubs of the middle iron-type club group each includes a club head having a sole and an external periphery each made of a metal material and at least a ball-hitting face made of a fiber-reinforced resin. The short iron-type clubs of the short iron-type club group each includes a club head made of a metal material.

REFERENCES:
patent: 3963236 (1976-06-01), Mann
patent: 4582321 (1986-04-01), Yoneyama
patent: 4618149 (1986-10-01), Makel
patent: 4645207 (1987-02-01), Teramoto et al.
patent: 4854580 (1989-08-01), Kobayashi
patent: 4884812 (1989-12-01), Nagasaki et al.
patent: 5009425 (1991-04-01), Okumoto et al.
patent: 5228688 (1993-07-01), Davis

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