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.)
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
Application filedfiledCritical
Priority to JP1443078ApriorityCriticalpatent/JPS54107974A/ja
Publication of JPS54107974ApublicationCriticalpatent/JPS54107974A/ja
Publication of JPS5643019B2publicationCriticalpatent/JPS5643019B2/ja
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
B29C61/06—Making preforms having internal stresses, e.g. plastic memory
B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes
Landscapes
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)
JP1443078A1978-02-101978-02-10System for making heat-shrinkable tubes
GrantedJPS54107974A
(en)
