Title:
VACUUM PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2008/131670
Kind Code:
A1
Abstract:
A vacuum packaging bag (10) includes a first sheet (14) with a smooth surface and
a second sheet (12) with ridges (13), and the first sheet (14) and the second sheet
(12) are at least boned on opposing lateral sides. Ridges (13) are spaced to one
another and arranged as a straight line along the direction of the lateral sides
to form a sequence of ridges (16,18), two sequences of ridges form an air guiding
unit (20). The first sequence of ridges (16) and the second sequence of ridges
(18) are spaced and offset to one another, which makes each ridge (13) in the second
sequence of ridges (18) face the clearance between the adjacent two ridges (13)
in the first seqence of ridges (16). The air guiding units (20) are spaced to one
another and arranged repeatedly until they distribute on the whole second sheet
(12). The vacuum packaging bag (10) of the invention makes it easy to evacuate
air from the bag fastly without air remained in the bag, and it is high intensity
and hard to be torn.
More Like This:
| WO/2006/125427 | CONTAINER WHICH MAY BE EVACUATED AND METHOD FOR EVACUATION THEREOF |
| WO/2001/083326 | THE PACKAGE FOR TOBACCO PRODUCTS AND THE PROCESS OF THE PACKING |
| WO/1987/000506 | LONG LIFE FOOD PRODUCT |
Inventors:
LIANG, Guoqiang (Room 701, No.18No.741, Dongfeng Road E., Yuexiu, Guangzhou Guangdong 0, 510080, CN)
Application Number:
CN2008/070707
Publication Date:
November 06, 2008
Filing Date:
April 14, 2008
Export Citation:
Assignee:
LIANG, Guoqiang (Room 701, No.18No.741, Dongfeng Road E., Yuexiu, Guangzhou Guangdong 0, 510080, CN)
International Classes:
B65D81/20; B65D30/10; B65D33/02; B65D81/20; B65D30/10; B65D33/02
Attorney, Agent or Firm:
GUANGZHOU SCIHEAD PATENT AGENT CO., LTD. (Room 1508, Huihua Commercial & Trade BuildingNo.80, Xianliezhong Road, Yuexiu, Guangzhou Guangdong 0, 510070, CN)
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