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:
Dec. 01, 2015
Filed:
Feb. 12, 2015
Snecma, Paris, FR;
Raoul Jaussaud, Chavanay, FR;
Marc-Emmanuel Techer, Paris, FR;
Denis Pingon, Oyonnax, FR;
Dominique Magnaudeix, Yerres, FR;
SNECMA, Paris, FR;
Abstract
The invention provides an injection mold core () for making a composite material part having a closed box, the core being in the shape of a wedge that is to be inserted inside a closed box () of at least one fiber preform into which a matrix-precursor fluid is to be injected, the core presenting both an opening right section () through which the core is to be unmolded from the box of the preform after the matrix has set, and also a maximum right section () of greater size than the opening right section, the core comprising at least three distinct elements () that are assembled together, each core element presenting a maximum right section of size that is smaller than the opening section.