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. 23, 2021
Filed:
Jul. 13, 2017
Toyo Seikan Co., Ltd., Tokyo, JP;
Yuuichirou Katou, Yokohama, JP;
TOYO SEIKAN CO., LTD., Tokyo, JP;
Abstract
A decorative multilayered extrusion-blow-formed bottle having an inner layer of a polyethylene (A) and a metallic layer of a polyethylene (B) in which a metal pigment having an average thickness of not more than 600 nm is dispersed on the outer side of the inner layer. If the shear viscosities (Pa·s) of the resin forming the layer neighboring the metallic layer on the inner side thereof are denoted by Vand Vas measured at the shear rates 6 sandsthereof at a temperature of 210° C., then the shear viscosities (Pa·s) ηand ηof the polyethylene (B) measured at the shear rates 6 sandsthereof at a temperature of 210° C. satisfy the following viscosity condition formulas (1) and (2):η−2000  (1)η−2000  (2)