Title:
PAPER BOARD
Document Type and Number:
Japanese Patent JP2013234415
Kind Code:
A
Abstract:
To provide paperboard that has a low density and also causes less curl that is generated due to change in relative humidity, in the paperboard that is used in a covered portion of a pasted box, a photograph board, a file cover, a game board and the like.
The paperboard contains pulp and a wood-pulverized product as main components. The wood-pulverized product is obtained by pulverizing a taxodiaceae wood into a product passing through a mesh of 40-80. A content of the wood-pulverized product in a pulp raw material is 10 mass%-40 mass% in terms of a solid content.
Inventors:
ONOZUKA KATSUMI
FUKAWA MASANORI
MINAGAWA TORU
FUKAWA MASANORI
MINAGAWA TORU
Application Number:
JP2013073846A
Publication Date:
November 21, 2013
Filing Date:
March 29, 2013
Export Citation:
Assignee:
HOKUETSU KISHU PAPER CO LTD
International Classes:
D21H15/02
Domestic Patent References:
| JPS63295800A | 1988-12-02 | |||
| JPH02502659A | 1990-08-23 | |||
| JPH02502659A | 1990-08-23 |
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith
Katsunori Uenishi
Ichiro Torayama
Blacksmith
Katsunori Uenishi
Ichiro Torayama