Patent Number: 6,298,032

Title: Clamping device

Abstract: A clamping device consists of a disk table for setting thereon a disk-like recording medium bearing recorded information, and a clamper which cooperates with the disk table to hold the recording medium therebetween. At least one of the disk table and the damper is formed of polypropylene at where to contact with the recording medium. If a special disk, which has a high-temperature softening film on its label surface, is clamped under high temperature conditions for a long time, and the film softens and thereafter re-solidifies as the temperature lowers, a smooth release of the recording medium is attained.

Inventors: Yamada; Yoshinori (Saitama, JP), Asao; Koji (Saitama, JP), Komiyama; Takashi (Saitama, JP), Shinkai; Yasuhiro (Saitama, JP)

Assignee: Pioneer Corporation

International Classification: G11B 25/04 (20060101); G11B 17/028 (20060101); G11B 025/04 (); G11B 017/028 ()

Expiration Date: 10/02/2018