ROD FIXING AND FIXING RELEASING MECHANISM OF MECHANICAL TUBE EXPANDING DEVICE

Title:

ROD FIXING AND FIXING RELEASING MECHANISM OF MECHANICAL TUBE EXPANDING DEVICE

Document Type and Number:

Japanese Patent JP2001137979

Kind Code:

A

Abstract:

To provide a mechanical tube expanding device capable of accommodating a tube expanding rod unused in an original position while fixing the tube expanding rod in use to a fin of a tube fin type heat exchanger.

In a mechanical tube expanding device to expand a tube T and to fix a fin F thereon, the mechanism, by which a tube expanding rod 21 is accommodated in a original position and an use of the tube expanding rod selected during operating is assisted, is provided.

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Inventors:

MILLIMAN JAMES G
SMALL DERRICK S
SMITH ROCKY L

Application Number:

JP2000287482A

Publication Date:

May 22, 2001

Filing Date:

September 21, 2000

Export Citation:

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Assignee:

BURR OAK TOOL & GAUGE

International Classes:

B21D39/20; B21D53/08; B23P15/26; F28F1/32; (IPC1-7): B21D39/20; B21D53/08; F28F1/32

Attorney, Agent or Firm:

Minoru Kinoshita (2 outside)

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