Package making – Interrelated or safety controls
Patent
1977-01-13
1978-07-04
Spruill, Robert Louis
Package making
Interrelated or safety controls
53 35, 53184S, 53258, B65B 500, B65B 3900, B65B 5302
Patent
active
040980510
ABSTRACT:
The invention relates to a method of, and apparatus for packing a plurality of separate articles in a single package surrounded by a cover of shrunk-on foil. In a preferred embodiment, the articles to be packed are stacked, in a first guide forming a shaft open at its upper end, upon a supporting base loosely fitted in the shaft, whereupon the first guide is enclosed in a cover of shrinkable foil closed at its upper end and the first guide is enclosed externally by a second guide, the first guide being then separated from the assembly comprising the articles, the supporting base, the foil cover and the second guide in such a way that relative to the first guide, the articles and the supporting base pass through the open end of the shaft while the second guide, the cover, the stack and the supporting base maintain their relative positions. This assembly is then passed to an oven to shrink the foil cover, before the second guide is removed from the finished package.
REFERENCES:
patent: 797753 (1905-08-01), Roth
patent: 2500819 (1950-03-01), Hall et al.
patent: 3270485 (1966-09-01), Knepper
patent: 3473290 (1969-10-01), Culpepper
patent: 3585778 (1971-06-01), Winstead
patent: 3788463 (1974-01-01), Ruff
patent: 3910011 (1975-10-01), Beninger
Cordes Werner
Schneider Roland
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