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:
Feb. 05, 2008
Filed:
Nov. 10, 2004
Kenji Abe, Koga, JP;
Akihiko Nakao, Fukuoka, JP;
Masahiro Naka, Sakura, JP;
Masahiro Sumida, Chiba, JP;
Kenji Abe, Koga, JP;
Akihiko Nakao, Fukuoka, JP;
Masahiro Naka, Sakura, JP;
Masahiro Sumida, Chiba, JP;
Miyakoshi Printing Machinery Co., Ltd., Narashino, JP;
AD. Printing Co., Ltd., Fukuoka, JP;
Abstract
Disclosed are a method and an apparatus designed to make a window envelope rapidly using a water-soluble clarifying agent without causing an inconvenience in its window area. Upstream of an envelope making stage wherein a continuous paper while traveling along a continuous path of travel is successively folded, pasted and cut to form an envelope, a water-soluble clarifying agent is applied to an area on the continuous paper that is designed to become the transparent window in the envelope and the continuous paper carrying the clarifying agent is wound on a plurality of drying cylinders so that its surface carrying the clarifying agent faces outwards to dry the clarifying agent while holding the surface of paper carrying the clarifying agent out of contact with the drying cylinders.