Printing – Embossing or penetrating – Hot die machines
Patent
1973-07-23
1977-01-18
Coven, Edward M.
Printing
Embossing or penetrating
Hot die machines
101 31, 101379, B44B 502
Patent
active
040033066
ABSTRACT:
A punch press is utilized for rapidly embossing ceiling tile. The embossing plate in the press is backed up with a high output heater to assist in the embossing operation.
REFERENCES:
patent: 1572494 (1926-02-01), Krause
patent: 1906094 (1933-04-01), Pomell
patent: 1937195 (1933-11-01), Freeman et al.
patent: 2165286 (1939-07-01), Mattlage
patent: 2356951 (1944-08-01), Runton
patent: 2547331 (1951-04-01), Lent
patent: 2621435 (1952-12-01), Weber
patent: 2803188 (1957-08-01), Duval
patent: 3601047 (1971-08-01), Waibel
patent: 3613570 (1971-10-01), Gladen
Garrick John R.
Hager, Jr. Nathaniel E.
Waters, Jr. Ernest B.
Armstrong Cork Company
Coven Edward M.
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