Microwave package with pinhole vents

Details Microwave package with pinhole vents Microwave package with pinhole vents

1988-07-28

1989-08-29

Pellinen, A. D.

Electric heating

Metal heating

Of cylinders

426107, 426113, 426118, 426243, 229905, 229DIG14, 383100, 99DIG14, H05B 680, B65B 2522

Patent

active

048619574

ABSTRACT:
A package for microwave heating of food products includes a multi-layer sheet material having a first paper layer defining an exterior portion of the assembled package. A metallized polyester is laminated to the paper layer and defines the interior portion of the assembled package. A plurality of pinholes extend completely through the sheet material. Peripheral regions of the sheet material are left free of any pinholes to receive an adhesive for securing the sheet material to itself and form the completed package. Absence of the pinholes inhibits passage of the adhesive to the interior of the assembled package.

REFERENCES:
patent: 4015085 (1977-03-01), Woods
patent: 4268738 (1981-05-01), Flautt, Jr. et al.
patent: 4363851 (1982-12-01), Mishina et al.
patent: 4404241 (1983-09-01), Mueller et al.
patent: 4553010 (1985-11-01), Bohrer et al.
patent: 4567341 (1986-01-01), Brown
patent: 4590078 (1986-05-01), Umina
patent: 4599275 (1986-07-01), Hayashi et al.
patent: 4678882 (1987-07-01), Bohrer et al.
patent: 4713510 (1987-12-01), Quick et al.
patent: 4720410 (1988-01-01), Lundquist et al.

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