Heat-shrinkable polyester film

Details Heat-shrinkable polyester film Heat-shrinkable polyester film

2007-10-09

2007-10-09

Nutter, Nathan M. (Department: 1711)

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

C428S035100

Reexamination Certificate

active

10512412

ABSTRACT:
A heat-shrinkable polyester film characterized in that:(A) the heat shrinkage percentages in the maximum shrinkage direction thereof is 10 to 50% in hot water at 70° C.;(B) the heat shrinkage percentages in the maximum shrinkage direction thereof is 70% or more and that in the direction orthogonal to the maximum shrinkage direction is 10% or less in hot water at 85° C.; and(C) when the heat shrinkage percentage in the maximum shrinkage direction in hot water at 95° C. is designated as X0(%) and the heat shrinkage percentage in the maximum shrinkage direction of a film obtained by previously heat-shrinking said film to an extent of 10% in hot water at 95° C. is designated as X10(%), the difference in heat shrinkage percentage Δ (%) calculated according to the following equation is 10 to 20%in-line-formulae description="In-line Formulae" end="lead"?Δ=X0−X10.in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
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patent: 2000 169601 (2000-06-01), None
patent: 2000 169602 (2000-06-01), None
patent: 2000 327806 (2000-11-01), None
patent: 2001 205703 (2001-07-01), None
patent: 2002 046176 (2002-02-01), None
patent: 2002 046178 (2002-02-01), None
Two-Page Summary of First Examination Report issued Feb. 10, 2006 in a corresponding Chinese Patent Application No. 03808340X, and its English translation.
Page 1 of examiner's remarks in First Examination Report issued Feb. 10, 2006 in the corresponding Chinese Patent Application No. 03808340X, and its English translation.
English Abstract JP 2000 167928, T. Tahoda, Publication Date Jun. 20, 2000.
English Abstract JP 2000 327806, H. Ito, Publication Date Nov. 28, 2000.
English Abstract JP 2001 205703, H. Ito, Publication Date Jul. 31, 2001.
English Abstract JP 2002 046173, S. Hayakawa, Publication Date Feb. 12, 2002.
English Abstract JP 2002 046176, H. Ito, Publication Date Feb. 12, 2002.
English Abstract JP 2000 135737, T. Tahoda, Publication Date May 16, 2000.
English Abstract JP 2000 169601, T. Tahoda, Publication Date Jun. 20, 2000.
English Abstract JP 2000 169602, T. Tahoda, Publication Date Jun. 20, 2000.
English Abstract JP 2002 046178, H. Ito, Publication Date Feb. 12, 2000.
English Abstract JP 11263856, M. Kosuge, Publication Date Sep. 28, 1999.

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