Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1984-09-17
1986-06-10
Turk, Arnold
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156617SP, 156DIG98, 269234, 279 1SG, 279 28, C30B 1532
Patent
active
045941270
ABSTRACT:
Method and apparatus for suspending a seed crystal over a fixed crucible containing a melt from a rotary and axially operable vertically disposed drive adaptor comprising the steps of forming a tubular receptacle adapted to be detachably secured at its upper end coaxially to the adapter, and having an internal bore formed therein with an internal step near its lower end for supporting the seed. The seed is formed in the shape of a cylinder of a diameter to pass axially through the stepped bore of the receptacle and having its upper end conically tapered downwardly and inwardly from the upper end thereof. A split sleeve is formed to be receivable downwardly within the internal bore of the tubular receptacle except as limited by the internal steps of the bore of the receptacle. The sleeve has an internal conical taper complimentary to the taper of the upper end of the seed about which it is disposed before insertion of the seed and sleeve within the bore of the receptacle. A light pull and turn of the seed seats the seed within the sleeve, and the sleeve within the receptacle in a manner to be coaxial with the receptacle without requiring mechanical fastenings that can generate stress in the seed and possibly cause breakage of the seed while growing a crystal.
REFERENCES:
patent: 206321 (1878-07-01), Heaton
patent: 1746759 (1930-02-01), Baker
patent: 2233794 (1941-03-01), Noble
patent: 3492032 (1970-01-01), Deike
patent: 3534989 (1970-10-01), Yonkers
patent: 3544142 (1970-12-01), Moss, Jr.
Fanale Donald J.
Lane Richard L.
FitzGerald Thomas R.
General Signal Corporation
Gzybowski Michael S.
Turk Arnold
Wynn Harold S.
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