초록 ▼

A flexible drum liner assembly having a fitting which mates with a specially cut hole in the lid of the drum. The fitting of a preferred embodiment of the present invention has a mouth with internal and external threads. A standard externally threaded bung hole cover fits in the mouth and mates with

A flexible drum liner assembly having a fitting which mates with a specially cut hole in the lid of the drum. The fitting of a preferred embodiment of the present invention has a mouth with internal and external threads. A standard externally threaded bung hole cover fits in the mouth and mates with its external threads. A vertical slot is cut on either side of the mouth of the fitting interrupting the external threads. A circular bung hole with two opposed inwardly directed tabs is cut into the lid of the drum. The two tabs act as keys and fit into the keyways defined by the vertical slots on either side of the mouth of the fitting.

대표청구항 ▼

A drum liner assembly comprising: bag means for holding material therein; fitting means connected to said bag means for providing access to the inside of said bag, wherein said fitting means comprises: mounting ring means for connecting said bag means to said fitting means; shoulder means connected

A drum liner assembly comprising: bag means for holding material therein; fitting means connected to said bag means for providing access to the inside of said bag, wherein said fitting means comprises: mounting ring means for connecting said bag means to said fitting means; shoulder means connected to said mounting ring means for providing a support surface; mouth means integral with said shoulder means having internal and external threads, wherein said mouth means has a plurality of vertical keyways cut through said external threads; drum lid means supported by said shoulder means, having a bung hole cut therein, wherein said bung hole is configured with a plurality of inwardly directed keys for engaging said keyways of said mouth means; lock ring means for mating with said external threads of said mouth means to lock said fitting means in said drum lid means; and securing means for securing said drum lid to a drum.