CA1294100C - Dispositif de soufflage et de stabilisation de la bulle dans un procede de production continue de pellicule extrudee-soufflee
- Google Patents
Dispositif de soufflage et de stabilisation de la bulle dans un procede de production continue de pellicule extrudee-soufflee
Info
Publication number
CA1294100C
CA1294100CCA000564429ACA564429ACA1294100CCA 1294100 CCA1294100 CCA 1294100CCA 000564429 ACA000564429 ACA 000564429ACA 564429 ACA564429 ACA 564429ACA 1294100 CCA1294100 CCA 1294100C
Authority
CA
Canada
Prior art keywords
mandrel
die
bubble
blown film
air
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.)
Individual
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 US07/112,187external-prioritypatent/US4846645A/en
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of CA1294100CpublicationCriticalpatent/CA1294100C/fr
CA000564429A1987-10-261988-04-18Dispositif de soufflage et de stabilisation de la bulle dans un procede de production continue de pellicule extrudee-soufflee
Expired - LifetimeCA1294100C
(fr)