Sealed single-dose break-open package

Details Sealed single-dose break-open package Sealed single-dose break-open package

2007-05-18

2011-12-06

Gehman, Bryon P (Department: 3728)

Special receptacle or package

Article housing attached to panel

Movable or detachable housing closure

C222S541600, C229S237000, C383S202000

Reexamination Certificate

active

08069985

ABSTRACT:
A sealed single-dose break-open package (1) having: a first sheet (2) of semirigid plastic material; a second sheet (3) of flexible plastic material superimposed on and sealed to the first sheet (2) of semirigid plastic material to define a sealed pocket (4) containing a dose of a product (5); and an incision (6) formed in the first sheet (2) of semirigid plastic material to guide controlled breakage of the first sheet (2) along the incision (6) and form an outlet opening for the product (5) through the first sheet (2); the incision (6) varies in depth lengthwise to break the first sheet (2) gradually along the incision (6).

REFERENCES:
patent: 2215705 (1940-09-01), Lenz
patent: 3075684 (1963-01-01), Rothmann
patent: 3472368 (1969-10-01), Hellstrom
patent: 4236652 (1980-12-01), Beguhn
patent: 4762230 (1988-08-01), Croce
patent: 5395298 (1995-03-01), Moesmann
patent: 6041930 (2000-03-01), Cockburn
patent: 6945391 (2005-09-01), Moodie
patent: 7506762 (2009-03-01), Nelson et al.
patent: 73761 (1960-09-01), None
patent: 1476746 (1967-04-01), None
patent: WO 9220595 (1992-11-01), None
patent: WO 9706073 (1997-02-01), None
patent: WO 03000162 (2003-01-01), None
Internation Search Report date of mailing May 2, 2008; Application No. WO 2008/038074 publication dated Apr. 3, 2008; 9 pages.

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