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Title:
MANUFACTURING METHOD OF FOLDING FAN
Document Type and Number:
Japanese Patent JP2007301330
Kind Code:
A
Abstract:

To reduce environmental load and production cost by forming a folding fan only with a circle segment of a sheet of paper or recycled paper and with a pivot, in a manufacturing method of a folding fan without using bamboo or synthetic resin sticks.

In the manufacturing method of the folding fan, pivot holes (3), (3) are drilled in a circle segment (1) and then, integrated paper leaf/sticks (2), (2) having the pivot holes (3), (3) are arranged radially and with equal angular spaces apart. The method includes; a process of forming the circle segment (1) by connecting the integrated paper leaf/sticks (2), (2) into one unit with folding-interlocking parts (4), (4) that interconnect these leaf/sticks (2), (2); a process of making mountain folds (5), (5), valley folds (6), (6), and additional valley folds (7), (7) on the folding-interlocking parts (4), (4); a process of reinforcing the circle segment (1) with integrated paper leaf/stick guards (8A), (8B); and a process of adjusting the pivot holes (3), (3) to insert the pivot (9) therein.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
SAKAE MASAMICHI
Application Number:
JP2006159057A
Publication Date:
November 22, 2007
Filing Date:
May 11, 2006
Export Citation:
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Assignee:
HOKKAIDO JIKI INSATSU KK
IMAGE BOX:KK
International Classes:
A45B27/00
Domestic Patent References:
JPH0327614U
JPH03106926U
JPH0374444A
JPH03114461A
JPS6447215A
JPS62136814U
JP2003052433A