Synthetic resin tube
Latest Daiwa Seiko, Inc. Patents:
Description
FIG. 1 is a top plan view of a synthetic resin tube showing my new design, the tube being symmetrical about its axis and the pattern repeated throughout the circumference of the tube;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is an end view thereof;
FIG. 4 is an end view thereof from the opposite end to that of FIG. 3; and
FIG. 5 is an enlarged top plan view of a portion of the tube as shown in FIG. 1 taken about line 5--5.
Referenced Cited
U.S. Patent Documents
Other references
4555113 | November 26, 1985 | Shimazaki et al. |
- Fiberglass Rod Making by Dale Clemens, C. 1974, p. 162, top left illustration.
Patent History
Patent number: D290882
Type: Grant
Filed: Oct 22, 1984
Date of Patent: Jul 14, 1987
Assignee: Daiwa Seiko, Inc.
Inventor: Koui Inoue (Tokyo)
Primary Examiner: A. Hugo Word
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/663,617
Type: Grant
Filed: Oct 22, 1984
Date of Patent: Jul 14, 1987
Assignee: Daiwa Seiko, Inc.
Inventor: Koui Inoue (Tokyo)
Primary Examiner: A. Hugo Word
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/663,617
Classifications
Current U.S. Class:
D25/73;
Rod (D22/142);
D25/74