JP2006212474A - ポリエチレン樹脂被覆金属管の製造方法およびポリエチレン樹脂被覆金属管 - Google Patents
ポリエチレン樹脂被覆金属管の製造方法およびポリエチレン樹脂被覆金属管 Download PDFInfo
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- JP2006212474A JP2006212474A JP2005024895A JP2005024895A JP2006212474A JP 2006212474 A JP2006212474 A JP 2006212474A JP 2005024895 A JP2005024895 A JP 2005024895A JP 2005024895 A JP2005024895 A JP 2005024895A JP 2006212474 A JP2006212474 A JP 2006212474A
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- polyethylene resin
- metal tube
- coating layer
- polyethylene
- metal pipe
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Abstract
【構成】槽内に収納したポリエチレン樹脂粉体の下方から送風してポリエチレン樹脂の流動層を形成し、予熱した金属管を流動層中に浸漬し、浸漬後送風を停止し更に槽内の空気を吸引して金属管の外面に融着した該ポリエチレン樹脂の被覆層を形成する。金属管を、金属管の軸に水平となる箇所が発生しない向きに金属管を傾けて流動層中に浸漬することが好ましい。
【選択図】 図1
Description
2.多孔板
3.流動層
4.金属管
Claims (4)
- 槽内に収納したポリエチレン樹脂粉体の下方から送風して該ポリエチレン樹脂の流動層を形成し、該流動層中に予熱した金属管を浸漬して金属管の外面に融着した該ポリエチレン樹脂の被覆層を形成する流動浸漬法において、該流動層に予熱した金属管を浸漬した後で送風を停止し更に槽内の空気を吸引して金属管の外面に融着した該ポリエチレン樹脂の被覆層を形成する事を特徴とする、ポリエチレン樹脂被覆金属管の製造方法。
- 金属管が、他の2以上の金属管を相互に連結するための継手用の金属直管又は異形金属管である、請求項1に記載のポリエチレン樹脂被覆金属管の製造方法。
- 金属管の軸に水平となる箇所が発生しない向きに金属管を傾けて、予熱した該金属管を流動層中に浸漬することを特徴とする、請求項1又は2に記載のポリエチレン樹脂被覆金属管の製造方法。
- 請求項1〜3の何れかの製造方法で製造した、ポリエチレン樹脂被覆層の厚さが5mm以上である、ポリエチレン樹脂被覆金属管。
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JP2005024895A JP4961586B2 (ja) | 2005-02-01 | 2005-02-01 | ポリエチレン樹脂被覆金属管の製造方法およびポリエチレン樹脂被覆金属管 |
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JP2005024895A JP4961586B2 (ja) | 2005-02-01 | 2005-02-01 | ポリエチレン樹脂被覆金属管の製造方法およびポリエチレン樹脂被覆金属管 |
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JP2006212474A true JP2006212474A (ja) | 2006-08-17 |
JP4961586B2 JP4961586B2 (ja) | 2012-06-27 |
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JP2005024895A Expired - Fee Related JP4961586B2 (ja) | 2005-02-01 | 2005-02-01 | ポリエチレン樹脂被覆金属管の製造方法およびポリエチレン樹脂被覆金属管 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010122931A1 (ja) * | 2009-04-23 | 2010-10-28 | 黒沢建設株式会社 | Pc鋼より線の防錆被膜形成方法及びpc鋼より線 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49129754A (ja) * | 1973-04-16 | 1974-12-12 | ||
JPS54141861A (en) * | 1978-04-24 | 1979-11-05 | Kowa Kogyosho:Kk | Simultaneous covering of inner and outside surfaces of large-diameter metal tube |
JPS5959268A (ja) * | 1982-09-27 | 1984-04-05 | Nec Home Electronics Ltd | 粉体流動浸漬法 |
JPS5930470B2 (ja) * | 1977-05-17 | 1984-07-27 | 第一高周波工業株式会社 | 金属管の外面ライニング方法 |
JPS61111174A (ja) * | 1984-11-02 | 1986-05-29 | Nippon Steel Corp | 被塗装物回動式流動浸漬塗装法 |
JPH03109976A (ja) * | 1989-09-26 | 1991-05-09 | Sekisui Chem Co Ltd | 管体内面への樹脂被覆方法 |
JPH05138124A (ja) * | 1991-11-15 | 1993-06-01 | Sekisui Chem Co Ltd | 管体内面への樹脂被覆方法 |
JPH09143400A (ja) * | 1995-11-20 | 1997-06-03 | Ube Ind Ltd | 粉体塗料用樹脂組成物 |
JP2000117186A (ja) * | 1998-10-16 | 2000-04-25 | Nittetsu Boshoku Kk | 粉体塗料による部分厚膜被覆法 |
-
2005
- 2005-02-01 JP JP2005024895A patent/JP4961586B2/ja not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49129754A (ja) * | 1973-04-16 | 1974-12-12 | ||
JPS5930470B2 (ja) * | 1977-05-17 | 1984-07-27 | 第一高周波工業株式会社 | 金属管の外面ライニング方法 |
JPS54141861A (en) * | 1978-04-24 | 1979-11-05 | Kowa Kogyosho:Kk | Simultaneous covering of inner and outside surfaces of large-diameter metal tube |
JPS5959268A (ja) * | 1982-09-27 | 1984-04-05 | Nec Home Electronics Ltd | 粉体流動浸漬法 |
JPS61111174A (ja) * | 1984-11-02 | 1986-05-29 | Nippon Steel Corp | 被塗装物回動式流動浸漬塗装法 |
JPH03109976A (ja) * | 1989-09-26 | 1991-05-09 | Sekisui Chem Co Ltd | 管体内面への樹脂被覆方法 |
JPH05138124A (ja) * | 1991-11-15 | 1993-06-01 | Sekisui Chem Co Ltd | 管体内面への樹脂被覆方法 |
JPH09143400A (ja) * | 1995-11-20 | 1997-06-03 | Ube Ind Ltd | 粉体塗料用樹脂組成物 |
JP2000117186A (ja) * | 1998-10-16 | 2000-04-25 | Nittetsu Boshoku Kk | 粉体塗料による部分厚膜被覆法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010122931A1 (ja) * | 2009-04-23 | 2010-10-28 | 黒沢建設株式会社 | Pc鋼より線の防錆被膜形成方法及びpc鋼より線 |
US8191251B2 (en) | 2009-04-23 | 2012-06-05 | Kurosawa Construction Co., Ltd. | Method for forming rustproof film on a PC strand |
KR101278094B1 (ko) | 2009-04-23 | 2013-06-24 | 구로사와 겐세츠 가부시키가이샤 | Pc 강선의 방청 피막 형성 방법 및 pc 강선 |
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