Synthetic resin tube

- Daiwa Seiko, Inc.
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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 side elevational view thereof, the opposite being a mirror image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is an end view thereto taken from the opposite end to that of FIG. 4;

FIG. 6 is an enlarged view of a section of the tube of FIG. 2 taken about lines 6--6; and

FIG. 7 is an enlarged view of a section of the tube of FIG. 1 taken about lines 7--7.

Referenced Cited
U.S. Patent Documents
4555113 November 26, 1985 Shimazaki et al.
Other references
  • Fiberglass Rod Making by Dale Clemens, .COPYRGT.1974, p. 162, lower left illustration.
Patent History
Patent number: D290752
Type: Grant
Filed: Oct 22, 1984
Date of Patent: Jul 7, 1987
Assignee: Daiwa Seiko, Inc. (Tokyo)
Inventor: Koui Inoue (Tokyo)
Primary Examiner: A. Hugo Word
Law Firm: Sughrue, Mion, Zinn, Macpeak, and Seas
Application Number: 6/663,725
Classifications
Current U.S. Class: D25/73; Rod (D22/142); D25/74