Hygienic pressure relief panel unit

Details Hygienic pressure relief panel unit Hygienic pressure relief panel unit

1988-03-10

1989-04-18

Marcus, Stephen

Receptacles

Closures

With condition responsive vent or valve

220 89A, 52 98, 52208, 52232, B65D 5116

Patent

active

048219096

ABSTRACT:
A hygienic pressure relief panel unit is provided which reliably ruptures at a predetermined pressure in order to prevent buildup of dangerous pressure within protected structure such as a vessel or the like defining an enclosed space, which prevents media passage therethrough before rupture, and which presents a sanitary, easily cleanable surface toward the vessel interior in order to inhibit accumulation of food particles, dust, or the like. The preferred panel unit includes a slotted stainless steel panel with the slots configured as a line of weakness for separation at a predetermined pressure, a sheet of PTFE material prepared on one side thereof to present an adhesive bonding surface, and an adhesive coupling the sheet and the panel, whereby the panel unit can be placed in a covering relationship with the vent opening of the protected structured in order to present the outer face of the PTFE sheet toward the vessel interior.

REFERENCES:
patent: 3039482 (1962-06-01), Goldberg
patent: 4067154 (1978-01-01), Fike, Jr.
patent: 4207913 (1980-06-01), Fike, Jr.
patent: 4498261 (1985-02-01), Wilson et al.
patent: 4512491 (1985-04-01), De Good et al.
patent: 4612739 (1986-09-01), Wilson
patent: 4662126 (1987-05-01), Malcolm

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