Patents Assigned to Maruman Co., Ltd.
  • Patent number: 4708347
    Abstract: A club-head for a golf club includes a hitting portion (11) and a hosel portion (12). The hitting portion (11) comprises a main body (13) made of a fiber-reinforced plastic. A metal sold member (14) is integrally fixed to the under surface of the main body (13). A weight member (18) made of a heavy material such as a heavy metal and formed separately from the sole member (14) is inserted into the main body (13). The weight member (18) is rigidly connected to the sole member (14) by means of connecting members (19) formed separately from at least one of the sole member (14) and the weight member (18).
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: November 24, 1987
    Assignee: Maruman Co., Ltd.
    Inventor: Masashi Kobayashi