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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Plastics Industries 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 Mitsubishi Plastics Industries LtdfiledCriticalMitsubishi Plastics Industries Ltd
Priority to JP23358584ApriorityCriticalpatent/JPS61110532A/ja
Publication of JPS61110532ApublicationCriticalpatent/JPS61110532A/ja
Publication of JPH0442975B2publicationCriticalpatent/JPH0442975B2/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
B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
B29C57/02—Belling or enlarging, e.g. combined with forming a groove
B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)