Receptacles – Closures – With closure opening arrangements for means
Patent
1986-05-20
1987-09-29
Bell, Jr., Houston S.
Receptacles
Closures
With closure opening arrangements for means
220307, 141326, 222 81, 422 99, B65D 4304
Patent
active
046964118
ABSTRACT:
A chemical vessel having improved access means comprising an access tube forming an openable conduit, being closed at the internal end with a discoid breakseal during shipment, a chemical removal tube slidably mounted in gas tight relationship inside the access tube, and means for moving the removal tube into engagement with and breaking out the breakseal for permitting removal of chemical from the vessel is disclosed.
REFERENCES:
patent: 3494370 (1970-02-01), Wahl et al.
patent: 3609825 (1969-01-01), Pullos
Graf Hans-Juergen
Randke Peter T.
Air Products and Chemicals Inc.
Bell, Jr. Houston S.
Hubbard Grant L.
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