CA1051668A - Methode de controle de la courbure de zones dans une feuille thermoplastique faconnee - Google Patents
Methode de controle de la courbure de zones dans une feuille thermoplastique faconneeInfo
- Publication number
- CA1051668A CA1051668A CA190,318A CA190318A CA1051668A CA 1051668 A CA1051668 A CA 1051668A CA 190318 A CA190318 A CA 190318A CA 1051668 A CA1051668 A CA 1051668A
- Authority
- CA
- Canada
- Prior art keywords
- temperature
- sheet
- radius
- curvature
- region
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 16
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 79
- 239000011521 glass Substances 0.000 claims abstract description 71
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000001276 controlling effect Effects 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 14
- 230000002311 subsequent effect Effects 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 claims 4
- 238000005452 bending Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 description 17
- 238000004364 calculation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012935 Averaging Methods 0.000 description 4
- 238000010420 art technique Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00333603A US3839000A (en) | 1973-02-20 | 1973-02-20 | Method for controlling curvature of regions in a shaped thermoplastic sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1051668A true CA1051668A (fr) | 1979-04-03 |
Family
ID=23303497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA190,318A Expired CA1051668A (fr) | 1973-02-20 | 1974-01-16 | Methode de controle de la courbure de zones dans une feuille thermoplastique faconnee |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1051668A (fr) |
-
1974
- 1974-01-16 CA CA190,318A patent/CA1051668A/fr not_active Expired
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