Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1978-02-27
1980-07-29
Spar, Robert J.
Dispensing
With cutter and/or punch
To form dispensing opening in container
222105, 222183, 222500, 222525, B67B 726, B67B 728
Patent
active
042146755
ABSTRACT:
This invention relates to a liquid containing pouch sealed in a carton with the pouch having a spout connected thereto. The spout projects through a hole in the carton and is secured to the carton. The pouch is sealed at the spout and is opened by means of a piercing device incorporated within the spout which is moved axially in the spout for opening the pouch. The piercing device is mechanically actuated through movement of a tubular portion of the spout telescopically fitted therein and carrying the piercing element. Further axial movement of the piercing device is obtained through rotatable movement between the spout and the tubular portion to fold flap portions of the pouch, pierced by the piercing element, such as to enable complete dispensing of liquids therefrom. The spout includes a valve which seals the pouch after opening by the piercing element such that liquid may be extracted from the pouch as the pouch is collapsed within the carton. The valve forms an airlock to restrict passage of air into the pouch during and after dispersing of liquids therefrom.
REFERENCES:
patent: 1137248 (1915-04-01), Whitney
patent: 1745382 (1930-02-01), Rogers
patent: 3233817 (1966-02-01), Casady
patent: 3363807 (1968-01-01), Powell
patent: 3493146 (1970-02-01), Conners et al.
patent: 3779429 (1973-12-01), Porcelli
patent: 3930286 (1976-01-01), McGowen
Handren Frederick R.
Spar Robert J.
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