The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2004
Filed:
Mar. 22, 2001
Showa Denko Plastic Products Co., Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a straw tube capable of preventing reduction of pressure inside a drinking container when sucked, an apparatus, and a method for producing the straw tube and for using the apparatus. A straw tube has a tube body having a plurality of grooves extending in the longitudinal direction and a convex streak sandwiched by these grooves and projecting outward from the datum level of the outer circumferential wall. An apparatus has a rotating drum having tube loading grooves, a female rod having grooves and capable of reciprocating within the tube loading grooves by a cam mechanism, and a male roller having convex streaks corresponding to the grooves of the female rod so that the grooves of the female rod engage with the convex streaks through the tube and the female rod and the male roller are synchronized.