Title:
METHOD AND APPARATUS FOR BAG CLOSURE AND SEALING
Document Type and Number:
WIPO Patent Application WO/2011/016965
Kind Code:
A4
Abstract:
A method and system for closing and sealing an end of bag (100) taken from multiple bags each made of polymeric material and sealed at one end, conveying the bag along a hot air manifold (700) to heat adhesive material on a first section (202) of the bag to an adhesive state and to heat adhesive material on a stepped construction of the bag to an adhesive state, after the bag has been filled with contents and closed, and the bag creased to provide a fold line, a blade (606) to bias the stepped construction of the bag to follow along the manifold while the bag is being conveyed, a trailing end (606) of the blade to fold the bag and to be followed by applying clamping pressure to form an adhesive-to-adhesive seal, which seals the end of the bag through which end the bag has been filled with contents.
Inventors:
JANSEN MARK E (US)
Application Number:
PCT/US2010/042081
Publication Date:
March 17, 2011
Filing Date:
July 15, 2010
Export Citation:
Assignee:
COATING EXCELLENCE INT LLC (US)
JANSEN MARK E (US)
JANSEN MARK E (US)
International Classes:
B29C65/10; B29C65/50; B31B50/62; B31B50/64; B65B7/08; B65B51/10; B65D33/22
Attorney, Agent or Firm:
KITA, Gerald, K. et al. (30 S. 17th StreetPhiladelphia, PA, US)
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