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.)
Pola Chemical Industries Inc
Sumitomo Bakelite Co Ltd
Original Assignee
Pola Chemical Industries Inc
Sumitomo Bakelite Co 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 Pola Chemical Industries Inc, Sumitomo Bakelite Co LtdfiledCriticalPola Chemical Industries Inc
Priority to JP9671776ApriorityCriticalpatent/JPS53137789A/en
Publication of JPS53137789ApublicationCriticalpatent/JPS53137789A/en
Publication of JPS5612536B2publicationCriticalpatent/JPS5612536B2/ja
JP9671776A1976-08-121976-08-12Method of and device for treating separable lug of thermally contracted film sealed in cap state at head of container
GrantedJPS53137789A
(en)