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.)
Fujikura Cable Works Ltd
Original Assignee
Fujikura Cable Works Ltd
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 filed by Fujikura Cable Works LtdfiledCriticalFujikura Cable Works Ltd
Priority to JP21763582ApriorityCriticalpatent/JPS59106920A/ja
Publication of JPS59106920ApublicationCriticalpatent/JPS59106920A/ja
Publication of JPH0120047B2publicationCriticalpatent/JPH0120047B2/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
Processing And Handling Of Plastics And Other Materials For Molding In General
(AREA)
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)