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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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 Toyobo Co LtdfiledCriticalToyobo Co Ltd
Priority to JP56040085ApriorityCriticalpatent/JPS57152918A/ja
Publication of JPS57152918ApublicationCriticalpatent/JPS57152918A/ja
Publication of JPH0349826B2publicationCriticalpatent/JPH0349826B2/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
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
B29K2023/10—Polymers of propylene
B29K2023/12—PP, i.e. polypropylene
Landscapes
Lining Or Joining Of Plastics Or The Like
(AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Packages
(AREA)
JP56040085A1981-03-181981-03-18Package wherein use is made of shrinked film
GrantedJPS57152918A
(en)
Filme fundido biorientado de uma ou multiplas camadas,processo para produzir um filme biorientado de uma ou multiplas camadas,e processo para embalar um artigo