METHOD FOR FORMING A VACUUM BAGGING FILM COMPRISING THE FORMATION OF RIBS BY BUCKLING OF THE FILM
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United States of America Patent
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Issued Date -
Aug 20, 2020
app pub date -
Feb 17, 2020
filing date -
Feb 19, 2019
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Abstract
A simple and inexpensive method for forming a vacuum bagging film includes formation of ribs, each by a sequence including placement of pressing members on the film, on either side of a region of the film, then translational displacement of at least a second of the pressing members, to reduce a distance mutually separating the pressing members, while exerting respective pressures on the film by each of the pressing members such that the pressing member in translation drives the film with it by friction, whereby the region of the film is deformed by buckling in forming the rib, then the stopping of the translational displacement, and then removal of the pressing members.
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