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Document Number
US Patent 4537308
Issued Date
August 27, 1985
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Abstract
A package comprising a cylindrical plastic tube closed at each end by an ultrasonic band seal. The seal at one end has a sealed region which is narrower than any portion of the other seal whereby squeezing of the package produces an immediate one-shot dispensing of liquid contained therein by causing rupture of the narrow region of the seal. Various package forms include perpendicularly arranged bands to provide a tetrahedral shape, a tab extending beyond one seal to provide identification of the contents of the package, notched seals providing a tear open package, and a multiple package construction in which one fluid containing tube is contained within another.
Drawing
Rupturable packages - US Patent 4537308 Drawing
Drawing from US Patent 4537308
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Number of Claims:
4
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Owner
Glass; John P. (Essington, PA)
Published
August 27, 1985
Application Number
06/119,863
Filed
February 8, 1980
US Classification
206/484   206/219 206/221 206/534 222/107 383/210 426/115 426/120 426/85
Int'l Classification
B65D   81/32   (20060101)   B65D   75/52   (20060101)   B65D   75/58   (20060101)   B65D   75/00   (20060101)   B65D   75/48   (20060101)  
Assistant Examiner
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a divisional of my patent application Ser. No. 938,774, filed on Sept. 1, 1978, now U.S. Pat. No. 4,227,614 which is a divisional of my patent application Ser. No. 720,084, filed on Sept. 2, 1976, now abandoned.
USPTO Field of Search
206/219   206/221   206/229   206/459   206/484   206/534   206/601   206/602   206/606   206/620   206/627   206/629   206/631   116/205  
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Description
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