Dual bobbin mandrel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 2, 2001
Grant Date -
N/A
app pub date -
Feb 24, 1998
filing date -
Feb 24, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved mandrel for use on a dual bobbin spindle apparatus, the mandrel being an expandable contractible cylindrical sleeve having a plurality of expansion members and at least one interstitial resilient member separating the expansion members, providing positive engagement of a plurality of reels or bobbins containing wound webs of flexible material.
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International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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