Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Dividing work to form plural articles
Patent
1975-04-09
1976-12-07
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Dividing work to form plural articles
264271, 264275, 264294, 264299, 264330, B29C 500, B29C 1708
Patent
active
039963268
ABSTRACT:
A method of providing a specimen section embedded in a section of paraffin wax includes providing a mold having a cover and upper and lower portions with a body of solidified paraffin wax therein, heating the paraffin wax while in the mold until it becomes molten, removing the cover of the mold, placing a specimen in the liquid paraffin in the lower mold portion, cooling the paraffin until it becomes a hardened body, and removing the lower mold portion to provide a hardened block of paraffin secured to the upper mold portion with a lower end portion extending below the lower end of the upper mold portion and containing the embedded specimen. The upper mold portion with the paraffin block is disposed within a microtome so that one or more slices of the hardened paraffin block may be cut therefrom to provide a slice of the block which includes a section of the embedded specimen.
REFERENCES:
patent: 2996762 (1961-08-01), McCormick
patent: 3234595 (1966-02-01), Weichselbaum et al.
patent: 3456300 (1969-07-01), Pickett
patent: 3674396 (1972-07-01), McCormick
Humason, Animal Tissue Techniques, W. H. Freeman & Co., San Francisco (1972) p. A2.
Garber Stanley N.
Hoag Willard E.
O'Meara William R.
Sherwood Medical Industries Inc.
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