Mold for, and method of, fabricating a perforated body and perfo

Details Mold for, and method of, fabricating a perforated body and perfo Mold for, and method of, fabricating a perforated body and perfo

1989-09-20

1991-03-05

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 24, 204281, C25D 108

Patent

active

049975285

ABSTRACT:
The mold for producing a perforated body to be used as a friction spinning element comprises a mold body provided with throughpass holes extending between the opposite mold body surfaces. Each of the throughpass holes is filled with a non-conducting material. Thus, there can be simultaneously formed by electroforming at the opposite mold body surfaces two perforated bodies which may be of the same or different thickness. By virtue of the simultaneous fabrication of the two perforated bodies the openings or perforations thereof are exactly in alignment or coincident and, if desired, these two perforated bodies can be secured to one another in superposed orientation to form a composite friction spinning element, such as a friction spinning plate or disc or an endless friction spinning belt or band.

REFERENCES:
patent: 3046202 (1962-07-01), Horner
patent: 3616278 (1971-10-01), Jansen
Article in Publication Entitled "Metalloberflache", 19th Publication Year, vol. 12, Dec. 1965, pp. 369 to 372, Munich, West Germany.
Article of H. J. Heinrich Entitled "Galvanoplastische Siebherstellung"; ARticle in 20th Publication Year, vol. 8, Aug. 1966, pp. 333 to 336. J.
Article of H. J. Heinrich, Entitled "Verfahren zur Beeinflussung der Lochprofile bei der Galvanoplastischen Siebherstellung".

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