Patent ID: 7892390

Claim:
A process for making a laminate having an integrated pressure release valve, the process comprising the steps of: a. providing a first lamina having first and second sides, the first lamina having an inlet channel passing through the first lamina from the first side to the second side, the inlet channel providing gaseous communication from the first side of the first lamina to the second side of the first lamina; b. applying a liquid film to the second side of the first lamina; and c. joining a second lamina having first and second sides to the first lamina, the second lamina having a outlet channel passing through the second lamina from the first side to the second side, the outlet channel of the second lamina providing gaseous communication from the first side of the first lamina to the second side of the second lamina; wherein the inlet channel of the first lamina and the outlet channel of the second lamina are both in gaseous communication with the liquid film.