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.)
YKK Corp
Original Assignee
YKK Corp
Yoshida Kogyo KK
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 YKK Corp, Yoshida Kogyo KKfiledCriticalYKK Corp
Priority to JP55148414ApriorityCriticalpatent/JPS5772815A/ja
Publication of JPS5772815ApublicationCriticalpatent/JPS5772815A/ja
Publication of JPS6121156B2publicationCriticalpatent/JPS6121156B2/ja
Procedimento e dispositivo per l'unione senza collante di elementi di polistirolo espanso, particolarmente di due semiparti di un modello a perdere per fonderia con cavita' di anima.