JPS57133027A - Control of film thickness of coated steel pipe - Google Patents
Control of film thickness of coated steel pipeInfo
- Publication number
- JPS57133027A JPS57133027A JP1932881A JP1932881A JPS57133027A JP S57133027 A JPS57133027 A JP S57133027A JP 1932881 A JP1932881 A JP 1932881A JP 1932881 A JP1932881 A JP 1932881A JP S57133027 A JPS57133027 A JP S57133027A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- weld bead
- rollers
- thickness
- polyethylene film
- 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.)
- Pending
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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
- B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
- B29C63/048—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like specially adapted for articles having local protrusions, e.g. tubes having a bead weld
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1932881A JPS57133027A (en) | 1981-02-12 | 1981-02-12 | Control of film thickness of coated steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1932881A JPS57133027A (en) | 1981-02-12 | 1981-02-12 | Control of film thickness of coated steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57133027A true JPS57133027A (en) | 1982-08-17 |
Family
ID=11996335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1932881A Pending JPS57133027A (en) | 1981-02-12 | 1981-02-12 | Control of film thickness of coated steel pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57133027A (ja) |
-
1981
- 1981-02-12 JP JP1932881A patent/JPS57133027A/ja active Pending
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