Method and device for manufacturing seal film, method of manufacturing inner seal attachment container, inner seal member, and method of sealing cap attachment container using the same
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United States of America Patent
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Sep 30, 2014
Grant Date -
Mar 11, 2010
app pub date -
Sep 25, 2009
filing date -
Mar 28, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A first base is interfolded along a folding line 1c extending in a flow direction thereof, one portion 1a of two portions divided by the folding line of the first base overlaps with a second base so as to be sealed thereto, a laminated structure formed by the first to third bases is punched into a predetermined shape so as to include the folding line portion, and a handle portion is formed by sealed portions of the first and second bases.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B31F:MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARD....
- B31D:MAKING OTHER PAPER ARTICLES
- B31B:MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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