Coating hopper having a replaceable hopper lip element

Details Coating hopper having a replaceable hopper lip element Coating hopper having a replaceable hopper lip element

1998-09-09

2000-04-18

Lamb, Brenda A.

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118325, 118DIG2, B05C 302

Patent

active

06051065&

ABSTRACT:
A hopper bar having a longitudinal channel formed in the portion of the bar which normally would support a coating lip wherein a wall of the channel is a precision cylindrical locating pin, and has a replaceable hopper lip element, formed to fit within the channel, is provided with a precision round bushing for receiving the locating pin such that upon assembly of the element to the hopper there is no offset significant to the coating process between the slide surface of the hopper bar and the slide surface of the lip element. The lip element may be attached to the hopper wall along the remainder of their mutual length by either bolts or magnets to permit independent longitudinal thermal expansion of the hopper bar and lip element.

REFERENCES:
patent: 5639305 (1997-06-01), Brown et al.

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