PUNCH DIE FOR CARDBOARD BOX WITH TEAR STRIP

Title:

PUNCH DIE FOR CARDBOARD BOX WITH TEAR STRIP

Document Type and Number:

WIPO Patent Application WO/2008/018533

Kind Code:

A1

Abstract:

Punch die for making a cardboard box easy to unseal by a tear strip without causing inferior box-making. A die cutter-use punch die for making a cardboard box in such ways that a vertical surface plate (2) and a horizontal surface plate (3) are provided continuously via a ridge rule (1), an unsealing tear strip (7) and its starting part (8) parallel to the ridge rule (1) are provided, the tear strip (7) is formed of a wave-form cut line (7a), this cut line (7a) is used as a lead rule where full cut portions penetrating through the front and rear surfaces of the cardboard and a half cut portions cutting the cardboard from the rear surface side to the middle in its thickness direction are alternately formed intermittently, and the vertical surface plate (2) and the horizontal surface plate (3) are folded along the ridge rule (1) to make a box, wherein in order to form the wave-form cut line (7a) of the tear strip (7) along with a pressing member (10) in which a ridge rule (1) is scored, a wave-form lead rule blade (11) in which high blade portions and low blade portions are formed alternately is provided, and subsequently a full cutting blade (12) for forming the cut line (8a) of the staring part (8) is provided.

Inventors:

HASHIMOTO KATSUJI (JP)
TAKEUCHI TAKAYUKI (JP)

Application Number:

PCT/JP2007/065592

Publication Date:

February 14, 2008

Filing Date:

August 09, 2007

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NIPPON DIE STEEL KK (JP)
HASHIMOTO KATSUJI (JP)
TAKEUCHI TAKAYUKI (JP)

International Classes:

B65D5/54; B31B50/22; B31B50/25; B31B1/90

Foreign References:

JP2003246320A	2003-09-02
JP2005118900A	2005-05-12

Other References: