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 8419881 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 16, 2013

Filed:

Nov. 19, 2010
Applicants:

Heoung Jae Chun, Seoul, KR;

Wook Jin NA, Seongnam, KR;

Inventors:

Heoung Jae Chun, Seoul, KR;

Wook Jin Na, Seongnam, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/70 (2006.01); B29C 43/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a method for manufacturing a hollow composite structure by forming a prepreg product using a plurality of prepregs, forming a soft coating layer on an inner surface of the prepreg product, and compressing the prepreg product by applying pressurized air to the coating layer and, at the same time, applying heat to the prepregs.


Find Patent Forward Citations

Chun, Heoung. (2013). Method for manufacturing hollow composite structure (U.S. Patent No. 8419881). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8419881

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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