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:
Mar. 23, 2004
Filed:
Jan. 26, 2001
Applicant:
Inventors:
Gerard Emmer, Le Havre Cedex, FR;
Alain Evrard, Le Havre Cedex, FR;
Assignee:
Sidel, Le Havre Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/958 ; B29C 4/978 ;
U.S. Cl.
CPC ...
B29C 4/958 ; B29C 4/978 ;
Abstract
To blow plastic hollow bodies, each mold ( ) has its respective compression chamber ( ) connected to it, constituted by a cylinder ( )-piston ( ) assembly; pressure is initialized in the chamber; the fluid is compressed in the chamber; the chamber is connected ( ) with the blank ( ) when the piston position attains a predetermined position and chamber volume continues to be reduced to complete the blowing. The invention can be applied in particular to the blowing of small-volume hollow bodies.