Method of moulding fillings and seats comprising such fillings
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United States of America Patent
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-
Jul 16, 2002
Grant Date -
N/A
app pub date -
Oct 1, 1999
filing date -
Oct 5, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing a filling for a seat consists in spraying a first polyurethane foam compound into a central part of a base of a mould, leaving the first foam compound to expand naturally so as to form a skin in contact with the air, injecting a second foam compound directly in contact with the skin and closing the mould, then allowing the second foam compound to expand, the first and second foam compounds being flexible foams.
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