Package making – Methods – Conforming by stretching or shrinking of cover over contents
Patent
1982-10-29
1986-01-21
Spruill, Robert L.
Package making
Methods
Conforming by stretching or shrinking of cover over contents
53176, 53211, 53449, 53465, 53556, B65B 1104, B65B 1158, B65B 1302
Patent
active
045650519
ABSTRACT:
In wrapping cylindrical goods or articles the article (1) is rotated about its axis, a stretch film (14) being wrapped round the article (1) substantially in a plane containing the axis of the article. A web-like wrapping material (24) is pressed against the cylindrical surface of the article (1) for rolling out on the article by rotation thereof. The stretch film (14) is wound over the material web (24). The stretch film can be one with a smooth and a sticky side, and which is pulled out from a supply (4). Winding the stretch film can be interrupted when the supply (4) is opposite one end surface of the article while the article rotation is continued a half turn, whereby the stretch film is laterally reversed in relation to the article. The film (14) can be initially wound with its smooth side in contact with the article (1) and later easily laterally reversed so that its smooth side is turned outwards to form the exterior of the article wrapping.
REFERENCES:
patent: 1654258 (1927-04-01), Hooper
patent: 1870399 (1932-08-01), Butler et al.
patent: 3928939 (1975-12-01), Edwards et al.
Folkerts Michael D.
Spruill Robert L.
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