Integral packing housing and packing material unit

Details Integral packing housing and packing material unit Integral packing housing and packing material unit

2008-05-06

2008-05-06

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C122S379000, C122S380000

Reexamination Certificate

active

07367079

ABSTRACT:
An integral packing housing and packing material unit; a method for packing replacement, boiler cleaning; and a method for maintenance of a desired boiler output rating. The integral packing unit includes a housing for removably holding a sacrificial packing material that is configured to form a steam seal between a sootblower steam tube and lance spindle when the packing unit is installed in an operative position in association with the steam tube and the spindle and the packing material is loaded by applying compression to the packing material. A compression unit is typically coupled to the housing unit to apply such compression to load the packing material while the packing unit is installed in the operative position. The packing unit may also includes a detent mechanism, such set screws, for unloading the packing material to facilitate installing the packing unit on, and removing the packing unit from, the operative position.

REFERENCES:
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patent: 4924817 (1990-05-01), Seelen
patent: 5090087 (1992-02-01), Hipple et al.
patent: 5549305 (1996-08-01), Freund
patent: 575698 (1933-05-01), None
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patent: 3106421 (1982-11-01), None
patent: 1176785 (2002-01-01), None
patent: 0763702 (1997-03-01), None
patent: 1430776 (1965-04-01), None

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