Composite tape preform for abradable seals

Details Composite tape preform for abradable seals Composite tape preform for abradable seals

1983-05-02

1985-10-08

Miller, Edward A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

419 40, 428550, 415174, 75231, 420445, B22F 300, B22F 700

Patent

active

045460477

ABSTRACT:
Honeycomb structures, such as those used in turbine engine abradable seals, are provided with a uniform density filling of a suitable abradable material. The abradable material is prepared as a tape preform using an organic binder. The preform is forced into the honeycomb using a rubber tool.

REFERENCES:
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patent: 3293072 (1961-06-01), Doolittle et al.
patent: 3817719 (1974-06-01), Schilke et al.
patent: 3879831 (1975-04-01), Rigney et al.
patent: 3975165 (1976-08-01), Elbert et al.
patent: 4003716 (1977-01-01), Steigelman et al.
patent: 4094673 (1978-06-01), Erickson et al.
patent: 4243169 (1981-01-01), Sara
patent: 4409054 (1983-10-01), Ryan

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