Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
2000-01-04
2000-11-14
Sipos, John
Package making
Progressively seamed cover web or web folds
With closing of web between package units
533754, 533756, 53390, B65B 920
Patent
active
061452831
ABSTRACT:
An apparatus for air and liquid-tight packing of objects for disposal, such as sanitary towels, disposable nappies, hypodermic needles and other hospital wastes comprises a pair of supply rolls of mutually adhesive foil strips. The side edge of the foil strips are urged towards each other to seal the respective side edges together while a transport system engages the side edges and moves the foil strips through the apparatus. A pressing system includes a pair of substantially flat elements, at least one of which is rotatable, which extend substantially over the width of the foil strips and guide the strips together capturing and sealing an object to be packed therebetween, and sealing the foil strips together across their width after passage of the object.
REFERENCES:
patent: 2541387 (1951-02-01), Salfisberg
patent: 2597041 (1952-05-01), Stokes
patent: 2616232 (1952-11-01), Meyer
patent: 3432988 (1969-03-01), Minten
patent: 3846569 (1974-11-01), Kaplan
patent: 4074505 (1978-02-01), Keren
patent: 4376365 (1983-03-01), Moertel
Montijn Frederic A.
Noordenbos Gideon
CWS International AG
Sipos John
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