CA1339460C - Machine a ourler des draps-housses
- Google Patents
Machine a ourler des draps-housses
Info
Publication number
CA1339460C
CA1339460CCA 617035CA617035ACA1339460CCA 1339460 CCA1339460 CCA 1339460CCA 617035 CA617035 CA 617035CA 617035 ACA617035 ACA 617035ACA 1339460 CCA1339460 CCA 1339460C
Authority
CA
Canada
Prior art keywords
segment
turn
sheet material
body portion
segments
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.)
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.)
Sew Simple Systems Inc
Original Assignee
Sew Simple Systems Inc
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 US07/111,915external-prioritypatent/US4773341A/en
Priority claimed from CA000616822Aexternal-prioritypatent/CA1338130C/fr
Application filed by Sew Simple Systems IncfiledCriticalSew Simple Systems Inc
Priority to CA 617035priorityCriticalpatent/CA1339460C/fr
Application grantedgrantedCritical
Publication of CA1339460CpublicationCriticalpatent/CA1339460C/fr
Method and assembly for producing protective covers for mattresses including: sewing elastic bands, corner seams, hemming, measuring, conveying & positioning fabric & having adjustable sewing needle trajectories