Claims
- 1. A thermoinsulating and/or structural molded body, which comprises an inner thermoplastic expanded pre-mold thermosoldered between two sheets of thermoplastic polymer thermoformed on said expanded pre-mold after the premold had been cooled in a refrigerated environment.
- 2. A thermoinsulating and/or structural molded body according to claim 1, wherein the inner expanded pre-mold and the sheets are made of a material selected in the group consisting of polystyrol, shock-resistant polystyrol, polypropylene and shock-resistant polypropylene.
- 3. A thermoinsulating and/or structural molded body according to claim 1, wherein each of the two sheets has average thickness ranging from 0,5 to 20 mm.
Priority Claims (1)
Number |
Date |
Country |
Kind |
MI91A001797 |
Jun 1991 |
ITX |
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Parent Case Info
This is a divisional, of U.S. application Ser. No. 07/904,832, filed Jun. 26, 1992, now U.S. Pat. No. 5,308,557.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5308557 |
Addeo et al. |
May 1994 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
904832 |
Jun 1992 |
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