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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.:

US 10611122 B1

PDFFull Text
Date of Patent:
Apr. 07, 2020

Filed:

Mar. 15, 2016

Process for sealing flexible fitment to flexible film

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Marcos Franca, Sao Paulo, BR;

Bruno Rufato Pereira, Sao Paulo, BR;

Raimund Gerstner, Bucaramanga, CO;

Assignee:

Dow Global Techologies LLC, Midland, MI (US);

Attorney:

Quarles & Brady LLP

Primary Examiner:

Mark A Osele

Assistant Examiner:

Nickolas R Harm

Int. Cl.
CPC ...
B29C 65/00 (2006.01); B32B 7/02 (2019.01); B29C 65/18 (2006.01); B31B 70/84 (2017.01); B32B 1/02 (2006.01); B32B 27/08 (2006.01); B32B 37/00 (2006.01); B32B 37/02 (2006.01); B32B 37/18 (2006.01); B29C 65/34 (2006.01); B29C 65/24 (2006.01); B29L 31/00 (2006.01); B31B 160/10 (2017.01);
U.S. Cl.
CPC ...
B32B 7/02 (2013.01); B29C 65/18 (2013.01); B29C 66/004 (2013.01); B29C 66/0324 (2013.01); B29C 66/1122 (2013.01); B29C 66/3262 (2013.01); B29C 66/3452 (2013.01); B29C 66/53262 (2013.01); B29C 66/53263 (2013.01); B29C 66/71 (2013.01); B29C 66/723 (2013.01); B29C 66/7315 (2013.01); B29C 66/73115 (2013.01); B29C 66/81431 (2013.01); B29C 66/81463 (2013.01); B29C 66/83221 (2013.01); B29C 66/91421 (2013.01); B29C 66/91933 (2013.01); B29C 66/91935 (2013.01); B29C 66/92445 (2013.01); B31B 70/844 (2017.08); B32B 1/02 (2013.01); B32B 27/08 (2013.01); B32B 37/0084 (2013.01); B32B 37/02 (2013.01); B32B 37/18 (2013.01); B29C 65/242 (2013.01); B29C 65/34 (2013.01); B29C 66/73116 (2013.01); B29C 66/81423 (2013.01); B29C 66/81811 (2013.01); B29C 66/919 (2013.01); B29C 66/929 (2013.01); B29C 66/949 (2013.01); B29K 2023/06 (2013.01); B29K 2995/0046 (2013.01); B29L 2031/712 (2013.01); B29L 2031/7148 (2013.01); B31B 2160/10 (2017.08); B32B 2307/51 (2013.01); B32B 2323/04 (2013.01); B32B 2439/00 (2013.01);
Abstract

The present disclosure provides a process. In an embodiment, the process includes A. providing a fitment with a base, the base comprising an ethylene/α-olefin multi-block copolymer; B. placing the base between two opposing multilayer films, each multilayer film having a respective seal layer comprising an olefin-based polymer; C. flat sealing the base to each multilayer film with opposing heated flat seal bars, the flat sealing forming opposing seal joints at the flattened base ends; and D. point sealing the opposing seal joints with opposing curved seal bars.

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