Method of encapsulating spring units
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United States of America Patent
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Mar 12, 1996
Issued Date -
N/A
app pub date -
Jan 18, 1994
filing date -
Oct 18, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
A method of encapsulating spring units is disclosed. The method comprises inserting an uncompressed spring unit into an insertion device, moving the insertion device between a pair of webs, tightening or tensioning the webs around the insertion device, compressing the spring unit, tightening the webs around the compressed spring unit, withdrawing the insertion device as the webs are tightened, and, while the spring unit is compressed, connecting the webs together.
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