CA1288986C - Bras de barriere - Google Patents
Bras de barriereInfo
- Publication number
- CA1288986C CA1288986C CA000546736A CA546736A CA1288986C CA 1288986 C CA1288986 C CA 1288986C CA 000546736 A CA000546736 A CA 000546736A CA 546736 A CA546736 A CA 546736A CA 1288986 C CA1288986 C CA 1288986C
- Authority
- CA
- Canada
- Prior art keywords
- arm
- barrier gate
- gate arm
- sleeve
- wood
- 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.)
- Expired - Lifetime
Links
- 230000004888 barrier function Effects 0.000 title abstract description 9
- 239000004417 polycarbonate Substances 0.000 claims abstract description 7
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 7
- 239000002023 wood Substances 0.000 claims abstract description 7
- 239000003086 colorant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004616 structural foam Substances 0.000 description 1
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91490986A | 1986-10-03 | 1986-10-03 | |
| US914,909 | 1986-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1288986C true CA1288986C (fr) | 1991-09-17 |
Family
ID=25434952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000546736A Expired - Lifetime CA1288986C (fr) | 1986-10-03 | 1987-09-11 | Bras de barriere |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1288986C (fr) |
-
1987
- 1987-09-11 CA CA000546736A patent/CA1288986C/fr not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |