Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1979-01-08
1981-03-31
Rolla, Joseph J.
Dispensing
With cutter and/or punch
To form dispensing opening in container
128249, 206222, 222 94, B65D 1742
Patent
active
042588634
ABSTRACT:
An envelope-like packet defining a closed chamber for fluid to be dispensed and having side walls, at least one of which is flexible, and a rupturable end portion. An extensible envelope rupturing member is disposed in the chamber and includes an envelope rupturing point directed toward said rupturable portion. The rupturing member has spaced portions engaging the side walls, and is responsive to inward pressure imparted to said side walls against said spaced portions to extend the point into rupturing engagement with the rupturable portion of the envelope.
REFERENCES:
patent: 2642064 (1953-06-01), Lawshe
patent: 2753105 (1956-07-01), Werner et al.
patent: 2849321 (1958-08-01), Lhermite et al.
patent: 2898744 (1959-08-01), Robbins
patent: 2907173 (1953-10-01), Robbins
patent: 2908601 (1959-10-01), Brown
patent: 2916886 (1959-12-01), Robbins
patent: 3239105 (1966-03-01), Woodson
patent: 3255923 (1966-06-01), Soto
patent: 3397820 (1968-08-01), Smith
patent: 3543966 (1970-12-01), Ryan et al.
patent: 3596801 (1971-08-01), Barnack
patent: 3652174 (1972-03-01), Boone
patent: 3736933 (1973-06-01), Szabo
patent: 3882999 (1975-05-01), Wellman
patent: 3889804 (1975-06-01), Ravich
patent: 3930500 (1976-01-01), Marke et al.
patent: 3981304 (1976-09-01), Szpur
Handren Frederick R.
Rolla Joseph J.
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