Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1977-12-16
1980-12-23
Husar, Francis S.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
165105, 291573H, B23P 1526, F28D 1500
Patent
active
042401895
ABSTRACT:
A method of producing a heat pipe roller having a chamber for holding a heating medium therein is disclosed, wherein sealing means for sealing the heat pipe roller are connected to an upper end plate of the heat pipe roller through a hole formed in the upper end plate. The heat pipe roller containing a heating medium therein is heated at temperatures above the boiling point of the heating medium and finally the heat pipe roller is sealed by use of the sealing means after adjusting the degree of vacuum or pressure in the heat pipe roller to a predetermined degree.
REFERENCES:
patent: 2096250 (1937-10-01), Kasarjian
patent: 3587725 (1971-06-01), Basiulis
patent: 3672020 (1972-06-01), Freggens
patent: 3769674 (1973-11-01), Droughton et al.
patent: 3797086 (1974-03-01), Asselman
Husar Francis S.
Ricoh & Company, Ltd.
Rising V. K.
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