CA2044014A1 - Sac autoventile et methode de remplissage connexe - Google Patents
Sac autoventile et methode de remplissage connexeInfo
- Publication number
- CA2044014A1 CA2044014A1 CA 2044014 CA2044014A CA2044014A1 CA 2044014 A1 CA2044014 A1 CA 2044014A1 CA 2044014 CA2044014 CA 2044014 CA 2044014 A CA2044014 A CA 2044014A CA 2044014 A1 CA2044014 A1 CA 2044014A1
- Authority
- CA
- Canada
- Prior art keywords
- bag
- self
- venting
- nonwoven fabric
- filling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000013022 venting Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 14
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 29
- 230000035699 permeability Effects 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 52
- 238000012856 packing Methods 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- -1 i.e. Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Bag Frames (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2044014 CA2044014A1 (fr) | 1991-06-06 | 1991-06-06 | Sac autoventile et methode de remplissage connexe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2044014 CA2044014A1 (fr) | 1991-06-06 | 1991-06-06 | Sac autoventile et methode de remplissage connexe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2044014A1 true CA2044014A1 (fr) | 1992-12-07 |
Family
ID=4147752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2044014 Abandoned CA2044014A1 (fr) | 1991-06-06 | 1991-06-06 | Sac autoventile et methode de remplissage connexe |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2044014A1 (fr) |
-
1991
- 1991-06-06 CA CA 2044014 patent/CA2044014A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |