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:
Jun. 19, 2012
Filed:
May. 06, 2011
Applicants:
Mathias Keller, Wil SG, CH;
Daniel Abderhalden, St. Gallen, CH;
Philipp Boos, Frauenfeld, CH;
Inventors:
Assignees:
Norgren GmbH, Alpen, DE;
KHS Corpoplast GmbH & Co. KG, Hamburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 49/00 (2006.01); F16K 31/143 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blow molding machine having the valves integrated into the valve block is disclosed. The valve pistons form annular rings stacked vertically along the stretch rod axis. The valve pistons activate by moving up/down along the stretch rod axis. The valve seat for each vertically stacked valve is formed radially around the stretch rod.