CA2310993A1 - System for fabricating contour muntin bars from sheet material - Google Patents
System for fabricating contour muntin bars from sheet material Download PDFInfo
- Publication number
- CA2310993A1 CA2310993A1 CA 2310993 CA2310993A CA2310993A1 CA 2310993 A1 CA2310993 A1 CA 2310993A1 CA 2310993 CA2310993 CA 2310993 CA 2310993 A CA2310993 A CA 2310993A CA 2310993 A1 CA2310993 A1 CA 2310993A1
- Authority
- CA
- Canada
- Prior art keywords
- ribbon
- contoured
- sheet material
- muntin bar
- station
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Method and apparatus for making a contoured muntin bar. A supply of sheet material having a finished surface on at least one side in the form of a coiled ribbon is unwound and fed along a strip path of travel to a punch station. At the punch station a ribbon punching mechanism punches the ribbon at a precisely predetermined locations along the ribbon to form one of a plurality notch patterns that define a portion of a contoured muntin bar. Downstream along the travel path from the punch station the ribbon is fed through a forming station having a succession of forming rolls that define a succession of forming roll nips to bend the ribbon and form a generally closed cross-sectional tube. The rolls form a number of bending stages to produce a muntin bar tube having a contoured shape with raised sides to provide an attractive appearance to a muntin grid.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13822599P | 1999-06-09 | 1999-06-09 | |
US60/138,225 | 1999-06-09 | ||
US09/525,349 US6438819B1 (en) | 1997-02-07 | 2000-03-15 | System for fabricating contour muntin bars from sheet material |
US09/525,349 | 2000-03-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2310993A1 true CA2310993A1 (en) | 2000-12-09 |
CA2310993C CA2310993C (en) | 2007-03-27 |
Family
ID=26835992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2310993 Expired - Lifetime CA2310993C (en) | 1999-06-09 | 2000-06-08 | System for fabricating contour muntin bars from sheet material |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2310993C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009084940A1 (en) * | 2007-12-31 | 2009-07-09 | Hong Liang Ng | Roll forming apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109396767A (en) * | 2018-12-01 | 2019-03-01 | 上海海钊民防设备有限公司 | A kind of closed guard gate's manufacture craft |
-
2000
- 2000-06-08 CA CA 2310993 patent/CA2310993C/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009084940A1 (en) * | 2007-12-31 | 2009-07-09 | Hong Liang Ng | Roll forming apparatus |
Also Published As
Publication number | Publication date |
---|---|
CA2310993C (en) | 2007-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20200608 |