Stock material or miscellaneous articles – Structurally defined web or sheet – Fold at edge
Patent
1996-07-03
1999-08-24
Davis, Jenna
Stock material or miscellaneous articles
Structurally defined web or sheet
Fold at edge
428156, 428343, C09J 702
Patent
active
059423080
ABSTRACT:
Disclosed are an expandable fixing tape comprising a base material composed of an expandable portion and a substantially non-stretchable portion, and a fixing means provided on at least one non-stretchable portion which is present at one end of the base material, wherein the expandable portion exhibits a load of not more than 5.0 kg/25 mm at 200% expanding and a permanent set of not less than 30% under the condition of 200% expanding, and the substantially non-stretchable portion has a ductility of less than twice under a load of not more than 0.5 kg/25 mm and a base material composed of an expandable portion, which is a thin layer portion having a thin thickness, at the central portion in the lengthwise direction and substantially non-stretchable portions, which are thick layer portions having a thick thickness, at both the end portions, a fixing means provided on at least one non-stretchable portion which is present at one end of the base material, wherein the expandable portion can be expanded to the length of at least three times under a load of 1.5 kg/25 mm and has a permanent set of at least 30% under the condition of 200% expanding, and the thickness of the expandable portion is not more than 90% of the thickness of the non-stretchable portion. These tapes can be easily expanded by a weak force at use and are very practical and easily usable, and are suitably used for packaging bags, boxes, etc. or for treating sanitary articles used.
REFERENCES:
patent: 4522853 (1985-06-01), Szone et al.
Arakawa Masaaki
Hori Katsumi
Maeda Kazuhisa
Sakashita Teiji
Davis Jenna
Nitto Denko Corporation
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