Bag filter thimble

Details Bag filter thimble Bag filter thimble

1979-05-21

1981-01-20

Lacey, David L.

Gas separation

Flexible or collapsible bag type

With securing or supporting means

65341NT, B01D 4602

Patent

active

042460140

ABSTRACT:
A thimble construction for filter bags used in baghouses and the like which reduces the pressure drop in air approaching the thimble radially along a wall surface by causing a generally laminar flow of such air as it enters the thimble opening. The invention also contemplates a new and improved configuration in the upper portion of the thimble which provides a wedging action against the inner surface of a filter bag to promote a tighter seal and prevent gas leakage.

REFERENCES:
patent: 1821202 (1931-09-01), Birkholz
patent: 1835093 (1931-12-01), Ruemelin
patent: 2079315 (1937-05-01), Dickerson
patent: 3401505 (1968-09-01), Ballard
patent: 4003727 (1977-01-01), O'Dell

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