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Patent Searching and Data


Title:
IMPROVED PROCESS FOR THE MANUFACTURE OF INTERPENETRATING POLYMER NETWORK SHEETING AND USEFUL ARTICLES THEREOF
Document Type and Number:
WIPO Patent Application WO2005049723
Kind Code:
A3
Abstract:
A roll (80) of carrier substrate (20) is passed through a reservoir (9) of liquid PDMS (10). Doctor blade (90) meters-off excess PDMS leaving coating (11). The ePTFE sheet (30) is applied from the ePTFE unwind (31) and idler roller (33) to coating (11) in carrier substrate (20) just prior to the textile fabric (40) being applied from the fabric unwind (41) and idler roller (43). The upper surface (35) of the textile fabric (40) contacts down-line machine parts such as rollers to avoid sticking, and is passed over the support idler (46) and serpentined and "S-wrapped" over and under the rollers (70) and passed to the oven (60).

Inventors:
DILLON MARK E (US)
Application Number:
PCT/US2004/037847
Publication Date:
December 01, 2005
Filing Date:
November 12, 2004
Export Citation:
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Assignee:
BIO MEDICAL SCIENCES INC (US)
DILLON MARK E (US)
International Classes:
A61L15/22; A61L15/24; A61L15/26; B32B27/12; B32B37/24; B32B38/08; (IPC1-7): B32B9/04; B32B5/18; B05D3/00; B05D3/12; C09J5/06; A01N25/34
Foreign References:
US6235662B12001-05-22
US4832009A1989-05-23
US5009224A1991-04-23
US5702503A1997-12-30
US5980923A1999-11-09
Other References:
See also references of EP 1691977A4
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