CA2310993A1 - System for fabricating contour muntin bars from sheet material - Google Patents

System for fabricating contour muntin bars from sheet material Download PDF

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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
Application number
CA 2310993
Other languages
French (fr)
Other versions
CA2310993C (en
Inventor
Timothy B. Mcglinchy
Mohamed Chrif Khalfoun
John Louis Grismer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GED Integrated Solutions Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/525,349 external-priority patent/US6438819B1/en
Application filed by Individual filed Critical Individual
Publication of CA2310993A1 publication Critical patent/CA2310993A1/en
Application granted granted Critical
Publication of CA2310993C publication Critical patent/CA2310993C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • 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.
CA 2310993 1999-06-09 2000-06-08 System for fabricating contour muntin bars from sheet material Expired - Lifetime CA2310993C (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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