Title:
ENVELOPE ELEMENT, ENVELOPE BLANK AND ENVELOPE FORMED FROM SAID ENVELOPE BLANK
Document Type and Number:
WIPO Patent Application WO/1987/000145
Kind Code:
A1
Abstract:
An envelope element, and envelope blank and an envelope formed from said envelope blank, which is capable of protecting an article, which is inserted therein, against an impact imparted thereto from the outside, and obtaining an internal space therein in conformity with the shape of the article when it is inserted thereinto, and retaining the article stored stably therein. The envelope blank consists of a cardboard having a relief portion (416) with relief means (410, 412, 430, 443, 444, 449, 450). The envelope blank consists of a front section (5) having a pair of side edges (2, 3) and an end edge (41), and a back section (6) joined to the other end edge of the front section (5) via a creasing line (4) and having a pair of side edges (2, 3) and an end edge (42). The portion which surrounds the creasing line (4) is provided with relief portions (10, 11) having relief means (21, 22, 23, 24, 26, 27, 28, 29, 30).
Inventors:
YOSUTANIYA ISAMU (JP)
Application Number:
PCT/JP1986/000266
Publication Date:
January 15, 1987
Filing Date:
May 24, 1986
Export Citation:
Assignee:
YOSUTANIYA ISAMU
International Classes:
B65D30/08; B65D5/18; B65D5/50; B65D27/02; B65D30/18; B65D81/02; (IPC1-7): B65D30/16; B65D27/02; B65D30/20
Foreign References:
| JPS5010619U | 1975-02-03 | |||
| JPS5530853Y2 | 1980-07-23 | |||
| JPS388838Y1 | ||||
| JPS5313774A | 1978-02-07 | |||
| JPS5521939U | 1980-02-13 | |||
| JPS5025385B1 | 1975-08-22 |
Other References:
See also references of EP 0229182A4
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