作者: Ronald Sargent
DOI:
关键词: Structural engineering 、 Groove (joinery) 、 Engineering 、 Mechanical engineering 、 Vacuum pump
摘要: A system, storage bag and method for evacuating air from a convention self-sealing bag. An valve assembly includes inner outer members, the member being positionable within having tapered piercing spout adapted to pierce through flexible panel. The has housing lockingly engagable over protruding outwardly perimeter edge of is sealingly against panel mating groove formed into member. configured temporary sealing engagement surface as removed interior out outlets by vacuum pump.