发明公开
EP0758986A1 SELF-CLOSING SEALABLE VALVE BAG 失效
SELBTSCHLIESSENDER,SEAL ABLE阀口袋

SELF-CLOSING SEALABLE VALVE BAG
摘要:
A valve bag (80) is provided having a self-closing feature (92, 106, 108), to preclude sifting losses after filling, but before the bag is fully sealed, while enabling the facilitated final secure closure of the bag (80).
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