Title: Liquid packaging container with pouring spout and air inlet

Abstract: A packaging container of cardboard for liquids, rendered impermeable by an internal coating of plastic has at least at one side, a double-thickness wall portion the interior of which communicates with the interior of the container and includes on the wall of the portion a strip of cardboard which can be gripped with the fingers. At least one of the end wall portions includes at least one score-line penetrating through only one of the double-thicknesses and along which the wall portion is severable. Closely adjacent to the score line is at least one weld-seam by means of which the wall portions are welded to each other in a fluid-tight manner.

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Inventors: Reil, Wilhelm (Bensheim-Auerbach, DE)

Application Number: 06/179331
Filing Date: 1980-08-18
Publication_date: 1983-01-11
Assignee: Tetra, Pak Dev (CH)

Primary Class(es): 222/528 229/215, 229/216, 222/541.900
Other Classes: B65D5/06; B65D5/02; B65D47/10
US Patent Ref:

3301458	January, 1967	Rausing et al.	229/7R	Opening device for packages
3795359	March, 1974	Rausing	229/7R	PARALLELLEPIPEDIC PACKAGE
4126263	November, 1978	Martensson	229/17R	Packing container provided with opening arrangement

Other Refs: DE1486682DE2208891DE7705163DE2804812

November, 1970
August, 1973
February, 1977
August, 1979

Primary Examiner: Tollberg, Stanley H.
Assistant Examiner:
Attorney: Biebel, French & Nauman

Claims:

Wha