Explosion proof enclosure

Details Explosion proof enclosure Explosion proof enclosure

1986-03-10

1987-05-12

Shoap, Allan N.

Receptacles

Outlet or junction box type

With closure

174 50, 174 52R, 174 58, 220 39, 220 72, 220 88R, 220327, 220378, B65D 142, B65D 4510, H02G 308, H02G 314

Patent

active

046642811

ABSTRACT:
An explosion proof electrical enclosure has a relieved joining flange at the junction between the cover and the body of the enclosure. The relieved portion provides an area reducing the bolt load in the event the enclosure is subjected to an internal explosion. As a result, fewer bolts may be used to join the enclosure, reducing the cost of the enclosure, increasing the convenience of access to the enclosure and reducing the labor required to remove or install the cover. The cover of the enclosure has increased stiffening structure at the corners so that the bolts in the corners of the enclosure may be eliminated.

REFERENCES:
patent: 1705131 (1929-03-01), Miller
patent: 2113776 (1938-04-01), Smith
patent: 3018127 (1962-01-01), Dobrosielski et al.
patent: 3240380 (1966-03-01), Larry
patent: 4063831 (1977-12-01), Meuret

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