JPH031143B2 - - Google Patents
Info
- Publication number
- JPH031143B2 JPH031143B2 JP2745482A JP2745482A JPH031143B2 JP H031143 B2 JPH031143 B2 JP H031143B2 JP 2745482 A JP2745482 A JP 2745482A JP 2745482 A JP2745482 A JP 2745482A JP H031143 B2 JPH031143 B2 JP H031143B2
- Authority
- JP
- Japan
- Prior art keywords
- polyethylene
- mold
- core
- crosslinking agent
- layer
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
-
- 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
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2745482A JPS58145412A (ja) | 1982-02-24 | 1982-02-24 | 熱収縮性ポリエチレンスリ−ブの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2745482A JPS58145412A (ja) | 1982-02-24 | 1982-02-24 | 熱収縮性ポリエチレンスリ−ブの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58145412A JPS58145412A (ja) | 1983-08-30 |
JPH031143B2 true JPH031143B2 (enrdf_load_stackoverflow) | 1991-01-09 |
Family
ID=12221564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2745482A Granted JPS58145412A (ja) | 1982-02-24 | 1982-02-24 | 熱収縮性ポリエチレンスリ−ブの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58145412A (enrdf_load_stackoverflow) |
-
1982
- 1982-02-24 JP JP2745482A patent/JPS58145412A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58145412A (ja) | 1983-08-30 |
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