Package making – Methods – Forming a cover adjunct or application of a cover adjunct to...
Patent
1995-06-16
1998-09-15
Sipos, John
Package making
Methods
Forming a cover adjunct or application of a cover adjunct to...
156251, 1563084, 156515, 493194, 53479, 531338, B65B 6118
Patent
active
058062807
ABSTRACT:
A method of packaging an article comprises wrapping the article in a plastic film; and heat sealing the film using a sealing apparatus comprising a main sealing element, and a second sealing element attached at an angle to the main sealing element, and shorter than the main sealing element, such that when the film is sealed, a sealed notch that can be used to initiate opening of the package is made. A package comprises an article wrapped in a plastic film, the film being heat sealed to form a seal, the seal comprising a main seal, and a second seal attached at an angle to the main seal, and shorter than the main seal, and defining a sealed notch that can be used to initiate opening of the package. A sealing apparatus for making an easily opened package comprises a main sealing element, and a second sealing element attached at an angle to the main sealing element, and shorter than the main sealing element, and capable of creating a sealed notch that can be used to initiate opening of the package.
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Paradiso John
Quatt Mark B.
Sipos John
W. R. Grace & Co.,-Conn.
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