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.

Date of Patent:
Nov. 25, 1997

Filed:

Nov. 29, 1995
Applicant:
Inventors:

Giampiero Pirotta, Virgilio, IT;

Romano Reggiani, Mantova, IT;

Assignee:

Enichem S.P.A, Milan, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264 454 ; 264127 ; 249142 ;
Abstract

Process for the production of thermoinsulating structural elements, which includes: a)producing by thermoforming a cell made of thermoplastic material; b)pulling on such cell on a male die half shell; c)closing the die with a negative half shell suitable to form a cavity between the half shells, d)inserting in the cavity bored hollow elements e)filling the cavity with foamed pearls in thermoplastic polymers; f)sintering the pearls with steam fed through hollow elements. g)cooling and extracting the hollow elements h)extracting the structural element from the die.


Find Patent Forward Citations

Pirotta, Giampiero. (1997). Process for the production of structural thermoinsulating elements (U.S. Patent No. 5690871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5690871

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

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