Special receptacle or package – For body treatment article or material – With gas permeable cover
Patent
1975-04-10
1977-05-10
Price, William
Special receptacle or package
For body treatment article or material
With gas permeable cover
206210, B65D 3318
Patent
active
040223248
ABSTRACT:
A container is disclosed including a relatively rigid tray sealed by a removable cover comprising a pair of plastic, bacteria-impermeable panels defining a generally linear passage for the introduction of sterilizing vapor for sterilizing the contents of the container after sealing thereof. The passage is sealed by a membrane, such as a paper strip, bonded to the panels about the passage. The paper strip is impermeable to bacteria but highly permeable to the sterilizing vapor.
The passage may be defined by overlapping margins of the plastic panels. Covers employing panels with overlapping margins may include discrete spaced-apart heat seals joining the margins along the length of their overlap to increase the strength of the cover and insure its removal in one piece. By making the panels of transparent plastic sheet material and using a paper strip having a small surface area relative to the overall surface area of the cover, the contents may be readily identified visually through the panels.
REFERENCES:
patent: 3061087 (1962-10-01), Scrivens et al.
patent: 3202271 (1965-08-01), Kirk
patent: 3472369 (1969-10-01), Schuster
patent: 3761013 (1973-09-01), Schuster
Moy Joseph M.
Price William
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