JPS5666355A - Continuous casting method of pipe - Google Patents

Continuous casting method of pipe

Info

Publication number
JPS5666355A
JPS5666355A JP14363479A JP14363479A JPS5666355A JP S5666355 A JPS5666355 A JP S5666355A JP 14363479 A JP14363479 A JP 14363479A JP 14363479 A JP14363479 A JP 14363479A JP S5666355 A JPS5666355 A JP S5666355A
Authority
JP
Japan
Prior art keywords
pipe
sleeve
core
part
centerline
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
Application number
JP14363479A
Inventor
Teishiro Oda
Original Assignee
Mitsubishi Heavy Ind 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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Priority to JP14363479A priority Critical patent/JPS5666355A/en
Publication of JPS5666355A publication Critical patent/JPS5666355A/en
Application status is Pending legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/006Continuous casting of metals, i.e. casting in indefinite lengths of tubes

Abstract

PURPOSE:To draw a pipe without rupturing by preventing clamping of a core while force-expanding the inside diameter of the pipe in the state that the temp. is still sufficiently high right after freezing and is low in strength by means of the revolving core of a special shape. CONSTITUTION:A core 1 is constituted of a driving part including a driving shaft 1a revolving around the centerline AA and a disc part 1b having a radius (a) and a sleeve part 2 fitting to this. Although the centerline AA and the centerline B of the part 1b are parallel, the slightly differ in position. Now, if melt is poured between a core sleeve 2 and an outside mold 3, the outside circumferential part of the sleeve 2 corresponding to the contact part thereof force expands the inside surface of a pipe 4 to the outside mold 3 direction. However, the position where the circumferential surface of the sleeve 2 contacts the inside surface of the pipe 4 changes momentarily along with the revolution of the core 1 even with respect to the sleeve 2, hence the pipe 4 does not clamp the sleeve 2, and this makes it possible to prevent friction, galling, etc. and to continuously draw the pipe.
JP14363479A 1979-11-06 1979-11-06 Continuous casting method of pipe Pending JPS5666355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14363479A JPS5666355A (en) 1979-11-06 1979-11-06 Continuous casting method of pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14363479A JPS5666355A (en) 1979-11-06 1979-11-06 Continuous casting method of pipe

Publications (1)

Publication Number Publication Date
JPS5666355A true JPS5666355A (en) 1981-06-04

Family

ID=15343314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14363479A Pending JPS5666355A (en) 1979-11-06 1979-11-06 Continuous casting method of pipe

Country Status (1)

Country Link
JP (1) JPS5666355A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160250507A1 (en) * 2011-05-27 2016-09-01 Victaulic Company Flexible dry sprinkler
US10449402B2 (en) 2012-12-20 2019-10-22 Victaulic Company Dry sprinkler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160250507A1 (en) * 2011-05-27 2016-09-01 Victaulic Company Flexible dry sprinkler
US10143872B2 (en) 2011-05-27 2018-12-04 Victaulic Company Flexible dry sprinkler
US10449402B2 (en) 2012-12-20 2019-10-22 Victaulic Company Dry sprinkler

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