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 shown being repeated through the circumference of the tube, the bottom plan view being a mirror image thereof;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 3 is an end view thereof;

FIG. 4 is an end view thereof to the opposite end from that shown in FIG. 3; and

FIG. 5 is an enlarged top plan view of a portion of the tube shown in FIG. 1 taken about 5--5.

Referenced Cited
U.S. Patent Documents
4555113 November 26, 1985 Shimazaki et al.
Other references
  • Fiberglass Rod Making by Dale Clemens, c. 1974, p. 162, top left illustration.
Patent History
Patent number: D291600
Type: Grant
Filed: Oct 22, 1984
Date of Patent: Aug 25, 1987
Assignee: Daiwa Seiko, Inc. (Tokyo)
Inventor: Yoshiyuki Matsui (Tokyo)
Primary Examiner: A. Hugo Word
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/663,729
Classifications
Current U.S. Class: D25/73; Rod (D22/142); D25/74