Cutting – Processes – Making and using a registration cut
Patent
1984-03-28
1985-11-19
Schran, Donald R.
Cutting
Processes
Making and using a registration cut
83 42, 83 71, 83210, 83371, B23Q 1512, B26D 520
Patent
active
045534586
ABSTRACT:
Sheets (10a,10b) of heat transfer element (12) for stacking in an element basket (50) of a rotary regenerative heat exchange are cut in such a manner that the spacing notches (24) formed in the element sheets (10a,10b) cannot nest when the element sheets are arranged in juxtaposition within an element basket (50).
REFERENCES:
patent: 3868877 (1975-03-01), Shoji et al.
patent: 3933069 (1976-01-01), Tall et al.
patent: 4034973 (1977-07-01), Hams
patent: 4056024 (1977-11-01), Baert et al.
patent: 4436008 (1984-03-01), Strunc
Habelt William W.
Schran Donald R.
The Air Preheater Company, Inc.
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