The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2012
Filed:
Dec. 06, 2007
Takayuki Noguchi, Shizuoka, JP;
Toshiyuki Murofushi, Shizuoka, JP;
Takayuki Noguchi, Shizuoka, JP;
Toshiyuki Murofushi, Shizuoka, JP;
Other;
Abstract
There is provided a synthetic resin bag having an easy-opening function in which an opening operation can be easily made on a side of an opening section of a bag body while it is prevented on a side of an interior section of the bag body and comprising two front and back panel filmsandof the bag body and two easy peel tapesandeach including an easy peel layer and a thermally adhesive layer and disposed inside of the panel films of the bag body in an opening sectionthereof over the whole lateral widths thereof, the easy peel layers of the two easy peel tapes faced to each other being weakly adhered to each other as indicated by a reference numeraland the thermally adhesive layers of the two easy peel tapes being strongly adhered as indicated by reference numeralsandto the inner faces of the panel filmsandof the bag body, respectively, so that the thermally adhesive layers have adhesion width difference of long and short widths Cand Cin a direction perpendicular to the lateral width of the bag body whereby the easy peel tapes can be easily separated on the side of the opening sectionof the bag body while the easy peel tapes can be prevented from being separated on the side of the interior section of the bag body.