Back to results
US 9,347,576 B2Granted
Pressure relief device having laser-defined line of opening
AssigneeFike Corporation
InventorsJoe Walker, Bon Shaw, Michael Krebill
Life of this patent
Estimating the term…
Abstract
A pressure relief device and method of making the same are provided. The pressure relief device includes an over-pressure relief area with a plurality of co-linear spaced apart recesses located thereon. Gap segments are interspersed between the recesses to define a line of opening having desired performance characteristics during opening of the over-pressure relief area.
Claims25
A pressure relief device comprising:
- an over-pressure relief area comprising a pair of opposing faces;
- and
- a circumscribing flange portion,
- said over-pressure relief area comprising a line of opening formed in at least one face thereof, said line of opening comprising a plurality of co-linear spaced-apart lased recesses formed thereon, said lased recesses extending from one of said faces through said over-pressure relief area without penetrating the opposing face,
- said line of opening defining, at least in part, a relief area petal that is formed upon opening of said relief area,
- said line opening further comprising a plurality of gap segments interspersed with said recesses, said gap segments having a depth that is less than the depth of said lased recesses.
3 more elements
A method of forming a line of opening in a pressure relief device comprising:
- providing a pressure relief device comprising an over-pressure relief area having a pair of opposing faces and a circumscribing flange portion;
- and
- forming said line of opening in said over-pressure relief area by using a laser to selectively remove material from at least one of said faces and form a plurality of co-linear spaced-apart lased recesses, said line of opening defining, at least in part, a relief area petal that is formed upon opening of said relief area.
Dependencies are inferred from the claim text.