Refractory fiber rope packing
AssigneeManville Service Corporation
InventorsJohn M. Pallo, Bernard L. Kotyuk
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Abstract
An asbestos-free rope packing comprising at least 3 strands of a twisted, ceramic fiber-containing paper wherein: (a) each of said strands contains at least one carrier insert; (b) said twisted ceramic fiber-containing paper contains about 3-9 wt. % of a suitable bonding agent; (c) said paper has a thickness of about 0.0015 to 0.045 inches; and (d) said paper has a width of about 0.50 to 4.0 inches. Also, a process for forming the rope packing from twisted strands of a ceramic fiber-containing paper is provided.
Claims18
A non-asbestos rope packing comprising at least 3 strands of a twisted, ceramic fiber-containing paper wherein:
- (a) each of said strands contains at least one carrier insert;
- (b) said twisted ceramic fiber-containing paper contains about 3-9 wt.% of a suitable bonding agent;
- (c) said paper has a thickness of about 0.015 to 0.045 inches;
- and
- (d) said paper has a width of about 0.50 to 4.0 inches.
A process for manufacturing an asbestos free rope packing comprising the steps of:
- (a) forming a sheet of ceramic fiber-containing paper and at least one carrier insert into a twisted strand;
- and
- (b) thereafter, taking at least three of said twisted strands and further twisting said strands together into a rope packing of desired dimensions.
Dependencies are inferred from the claim text.