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. 26, 2001
Filed:
Jun. 20, 1996
Applicant:
Inventors:
Dante Siano, Cologno Monzese, IT;
Luigi Vecchiarino, Vaprio d'Adda, IT;
Assignee:
Commer, S.p.A., , IT;
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/503 ; B29C 4/516 ;
U.S. Cl.
CPC ...
B29C 4/503 ; B29C 4/516 ;
Abstract
An article having complex geometrical shape is obtained by consecutively coinjection molding a first and a second material substantially without stopping time between the two injections. Pressure, temperature and mass flow rate are controlled to obtain a homogeneous distribution of the several flows of injected material and to have them meet in a fluid condition and melt together at the meeting point.