PROCESS FOR MAKING SLEEVE COMPONENTS

Japanese Patent JPS52135380

A

The disclosure relates to a method of making a container comprised of a glass bottle and a plastic covering thereon. The plastic is processed into sheet form and highly oriented for shrink property along one dimension. A minor orientation (one-half or less) is provided in the other dimension. The sheet is pre-printed and formed into strips fed to a mandrel-type machine for making individual, lap-seamed, cylindrical sleeves of the plastic, the major shrink orientation being oriented circumferentially of the sleeve. The sleeves are telescopically located to a predetermined height on a rigid base article a bottle that has been preheated to around 220 DEG F and the sleeve and bottle carried into an oven for shrinking the plastic onto the bottle. Differential surface skin is provided in the plastic, the greater depth skin being placed next to the bottle. Bottle heat is furnished either: (1) by an auxiliary pre-heat oven, or (2) by heat of formation of the container in its manufacture, such as obtained in the annealing lehr. The initial placement of the sleeve allows a bottom end overlap of the sleeve on the bottle and shrinking the plastic results in covering the bottle at least along its body, bottom corner and onto the bottom end at an annular bearing surface thereon.

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SUTEFUAN UORUTAA ANBERUGU
TOOMASU EDOWAADO DOOERUTEI
JIEIMUSU ARAMU KARABEDEIAN
KURAARENSU AASAA HEINE

JP1763777A

November 12, 1977

February 19, 1977

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OWENS ILLINOIS INC

B29C63/18; B29C45/00; B29C51/00; B29C53/00; B29C53/42; B29C55/00; B29C55/02; B29C59/00; B29C61/00; B29C63/00; B29C63/40; B29C63/42; B29C65/00; B29C67/20; B29C69/00; B29D7/01; B29D23/00; B31F1/00; B32B5/18; B41F17/00; B65C3/06; B65D23/08; B65D81/03; C08J5/18; C08J9/00; B29C48/00; B29C48/10; B29C53/36; B29C53/40; B29C65/18; (IPC1-7): B29C27/20; B29D23/10

JP35004778A
JP31007196A
JP34004692A
JPS348989Y1
JP36001269A
JP38024584A

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