Riso Kagaku Corporation

Tadayuki Wakatabi

Kouki Mitani

Yasuo Yamamoto

Toshihiro Endo

Yoshihiro Noguchi

Akinori Maekawa

Yasuhiro Katada

Akiko Nozawa

In a sealed letter producing device which folds and seals, with a content, an envelope sheet on which pressure-sensitive adhesives are provided, sealing with pressure rollers smaller than in conventional rollers is achieved. Pressure-sensitive adhesivesare provided in both edge portions in the width direction of an envelope sheet, and remoistening pasteis provided inwardly of both edge portions. The remoistening paste is moistened when the envelope sheet wrapping a content is bent and formed into an envelope, the entire surface of the envelope is pressurized by low-pressure rollers and adhered with the remoistening paste, and further only both edge portions of the envelopeare pressurized by an upper and lower set and a left and right pair of the pressure rollershaving a small width to adhere the pressure-sensitive adhesive. High pressure required for adhesion of the pressure-sensitive adhesives is only necessary in both edge portions of the envelope, and therefore small pressure rollerswill suffice.

Sealed letter producing device and envelope sheet

Another coating part is formed along a sheet short side direction, on a region which is a part of an envelope outer side of a third component sheet and which contacts a flap by folding along a second folding line. A first cutout part and a second cutout part which respectively extend in an extension direction of a first coating part and a second coating part, are respectively formed on both side fringes in the sheet short side direction in the third component sheet. The minimum width of each of the first cutout part and the second cutout part in the sheet short side direction is set longer than a length from the side fringe of the envelope sheet in the sheet short side direction to the inner side fringe of each of the first coating part and the second coating part.

Envelope sheet

A sealed letter forming apparatus has a sheet feed unit containing an envelope sheet to be an envelope and a content sheet to be a content; a printer for printing on the respective sheets supplied from the paper feed unit; an enclosing and sealing unit for folding the respective sheets printed by the printer, and enclosing and sealing the respective sheets; and a controller to control the enclosing and sealing unit to stop the sealed letter forming processing when an error related to the envelope sheet or the content sheet in an n-th article occurs, and to perform the sealed letter forming processing without sealing a sealed letter of the n-th article as a sealed letter to be checked by a user when the error is canceled. A sealed letter forming processing is performed on each article which is a combination of the envelope sheet and the content sheet.

Sealed letter forming apparatus

The envelope sheet includes a first area provided with a flap, a second area extended from the first area with interposing a first fold line, a third area extended from the second area with interposing a second fold line, and an adhesive pasted area formed on the third area and extended along a direction perpendicular to a feed direction. The envelope sheet is configured to be, in a stuff and seal apparatus, preliminarily folded at the second fold line while a content is stuffed thereinto, and then fed forward together with the content by at least two pairs of the feed rollers. A length of the third area along the feed direction is made equal-to or longer-than a distance between the two pairs of feed rollers. According to the envelope sheet, the content can be prevented from being inadequately stuffed into an envelope transformed from the envelope sheet.

Paper for envelope

To make it possible with a post card making device composed of an original reading device and an image printing device that an image is prepared on an upward facing original image preparation surface, and in that condition, the original image can be read in by the original reading device as precisely positioned, and further the original reading device and the image printing device are assembled to an integral unit for storage, an original placing and storage assisting device is provided so as to present an original image preparing surface and to be connected to the image printing device by sandwiching the original reading device therebetween.

Growing community of inventors

Tokyo, Japan

Tadayuki Wakatabi