Package making – Methods – Closing package or filled receptacle
Patent
1984-12-12
1986-10-21
Culver, Horace M.
Package making
Methods
Closing package or filled receptacle
53373, 156219, 264339, B65B 706, B65B 5116, B65B 718
Patent
active
046177817
ABSTRACT:
A voided polypropylene film tampon wrap having end seals which are formed by mechanical crimping and a process for sealing the ends of the voided polypropylene film tampon wrap by mechanical crimping. A notch is formed adjacent to each end seal but remote from the enclosed tampon. Each end seal is formed by a pair of horizontal teeth wheels each having a pitch of 50 teeth per inch. One of the pair of wheels is heated to a temperature of 125.degree..+-.15.degree., and force is applied to at least one wheel to seal that end of the wrap by the pair of wheels.
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Ingersoll Willard A.
Norquest Robert C.
Weber Richard A.
Culver Horace M.
Fried Stewart J.
International Playtex, Inc.
Ruggiero Charles N. J.
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