Title: Laminated paper container with sealed seams

Abstract: A container is disclosed made of paper which has an inner liner of synthetic resin material. Where the paper is exposed at the lap joint of the side, the joint between the bottom and the side, and the rolled lip, these are all sealed by a layer of resin material disposited as a powder and bonded to the inner liner by melting the powder resin while the same is in contact with the liner.

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Inventors: Itoh, Tsutomu (Tokyo, JP)

Application Number: 967988
Filing Date: 1978-12-11
Publication_date: 1980-07-08
Assignee: Onoda Cement Co., Ltd. (Onoda, JP)
Primary Class(es): 229/400
Other Classes:
US Patent Ref:

2141556	Dec, 1938	Reifsnyder	229/3.
2754044	Jul, 1956	Bergstein	229/48.
2775395	Dec, 1956	Bergstrom	229/3.
2917215	Dec, 1959	Psaty et al.	229/1.
3049277	Aug, 1962	Shappell	229/1.
3182882	May, 1965	Aelle, Jr. et al.	229/1.
3213890	Oct, 1965	Battersby et al.	229/3.
3268143	Aug, 1966	Bolcato	229/1.
3409168	Nov, 1968	Chmielowiec	220/67.
3419183	Dec, 1968	Khoury	220/77.
3526027	Sep, 1970	Manuel et al.	427/195.
3745035	Jul, 1973	Troughton	427/181.
3760750	Sep, 1973	Rentmeester	113/120.
3904930	Sep, 1975	Waldron et al.	427/195.
4025660	May, 1977	Crose et al.	427/181.

Other Refs:
Primary Examiner: Shoap, Allan N.
Assistant Examiner:
Attorney: Price, Heneveld, Huizenga & Cooper