JP4757002B2 - 流体輸送用管体の連結構造に用いる抄造成形体 - Google Patents
流体輸送用管体の連結構造に用いる抄造成形体 Download PDFInfo
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Description
図1は、本発明の流体輸送用管体の連結構造及びそれに用いる抄造成形体を、鋳物製造における溶湯の輸送管体(湯道管)の連結に適用した一実施形態を示したものである。
ここで、普通紙とはJISで規定している紙及び板紙の定義に準じて以下の様に定義する。普通紙とは"有機繊維、植物繊維、その他の繊維をこう着させて製造した紙、又は木材パルプ、古紙等を原料として製造した紙"である。
一方、機能紙とは、ガラス繊維、合成高分子物質、無機材料等を配合等して製造された紙であり、普通紙が有していない性質(耐熱性、高剛性等)を有する紙のことである。
なお、耐水性は上述の撥水剤を抄紙原料に添加すれば普通紙でも発現することができる為、撥水性を有する紙は機能紙だけに制限されるものではない。
先ず、撥水性紙管層111及び耐熱性紙管層112の原紙となる普通紙及び耐熱性紙管用原紙をそれぞれ作製する。
これらの原紙は、前記撥水性紙管層及び前記耐熱性紙管層を構成する各成分を分散媒に分散させた原料スラリーをそれぞれ調製し、これら原料スラリーから湿式抄紙法によって抄紙し、脱水、乾燥させて作製する。
これらの原紙の抄紙方法には、例えば、連続抄紙式である円網抄紙機、長網抄紙機、短網抄紙機、ツインワイヤー抄紙機等を用いた抄紙方法、バッチ方式の抄紙方法である手漉法等の抄紙方法を採用することができる。
中継管12は、例えば、以下に説明するように、抄造型を用いた湿式抄造法により湿潤状態の繊維積層体を抄造した後、これを脱水・乾燥させ成形することにより製造される。なお、突条部121、122及び係止部123は、抄造時にも形成できるが、ここでは、乾燥時に形成する方法を示す。
乾燥型には、前記中継管12の外形に略一致したキャビティを有するとともに、形成される所望の突条部の形状に応じたスリット及び凹部が設けられている。前記乾燥型には、前記抄造型と同様に、二以上の割型を組み合わせることによって前記キャビティが形成されるものを用いることが好ましい。前記中子にはシリコーンゴム等の耐熱性を有する弾性体からなるものを用いることが好ましい。
また、図6及び図7並びに図10及び図11に示す実施形態の中継管12’のように、二股に分岐した形態に成形し、各端部に、巻回層を有する管体を嵌合によって連結させる形態とすることもできる。
11 湯道管(第1の管体)
12 中継管(第2の管体)
Claims (2)
- 溶湯の輸送用管体の連結に用いられる流体輸送用管体の連結構造で、抄造シートが螺旋状に巻回されて管状に成形された巻回層を有する第1の管体と、湿式抄造法により一体的に成形された抄造成形体である第2の管体とがそれらの端部どうしの嵌合によって連結され且つ第1の管体が第2の管体の端部の外周面を覆うように嵌合されている、流体輸送用管体の連結構造における第2の管体を構成する抄造成形体であって、
その外周面に嵌合によって摩滅する凸部と、前記第1の管体が嵌合されたときにその端面に当接する係止部とが、それぞれ、該外周面に対して一体的に設けられている抄造成形体。 - 前記凸部として、前記第1の管体への挿入方向に沿って伸びている第1の凸部と、該挿入方向と交差する方向に伸びている閉じた環状の第2の凸部とを有しており、該第2の凸部は、前記第2の管体の長さ方向に所定間隔をおいて複数設けられている請求項1に記載の抄造成形体。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665689U (ja) * | 1993-02-25 | 1994-09-16 | 株式会社竹中工務店 | 管継手 |
JP2004175520A (ja) * | 2002-11-27 | 2004-06-24 | Shuichi Inagaki | 紙管の接合方法 |
JP2004174605A (ja) * | 2002-11-13 | 2004-06-24 | Kao Corp | 鋳物製造用部品 |
JP2004195547A (ja) * | 2002-03-13 | 2004-07-15 | Kao Corp | 鋳物製造用抄造部品 |
JP2005153003A (ja) * | 2002-11-29 | 2005-06-16 | Kao Corp | 鋳物製造用の鋳型又は構造体 |
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JPS60145157U (ja) * | 1984-03-07 | 1985-09-26 | 田中紙管株式会社 | 糸巻二重紙管 |
JPS61203664A (ja) * | 1985-03-07 | 1986-09-09 | Fuji Electric Co Ltd | 一次元視覚センサ |
JPH01278935A (ja) * | 1988-04-28 | 1989-11-09 | Kamogawa Kogyo Kk | 消失模型鋳造用湯口系構造 |
JPH0791573A (ja) * | 1993-09-24 | 1995-04-04 | Fuji Electric Co Ltd | 飲料供給機の管継手構造 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665689U (ja) * | 1993-02-25 | 1994-09-16 | 株式会社竹中工務店 | 管継手 |
JP2004195547A (ja) * | 2002-03-13 | 2004-07-15 | Kao Corp | 鋳物製造用抄造部品 |
JP2004174605A (ja) * | 2002-11-13 | 2004-06-24 | Kao Corp | 鋳物製造用部品 |
JP2004175520A (ja) * | 2002-11-27 | 2004-06-24 | Shuichi Inagaki | 紙管の接合方法 |
JP2005153003A (ja) * | 2002-11-29 | 2005-06-16 | Kao Corp | 鋳物製造用の鋳型又は構造体 |
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