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 is repeated over the full circumference of the tube, the bottom 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 opposite to that of FIG. 3;

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

FIG. 6 is an enlarged side elevational view of a portion of the tube shown in FIG. 2 taken about line 6--6.

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, lower left illustration.
Patent History
Patent number: D291834
Type: Grant
Filed: Oct 22, 1984
Date of Patent: Sep 8, 1987
Assignee: Daiwa Seiko, Inc.
Inventor: Yoshiyuki Matsui (Tokyo)
Primary Examiner: A. Hugo Word
Law Firm: Sughrue, Mion, Zinn, Macpeak, and Seas
Application Number: 6/663,721
Classifications
Current U.S. Class: D25/73; Rod (D22/142); D25/74