Title:
FALLING PREVENTIVE DEVICE FOR DEVICE FOR DRAWING TUBE FROM TUBE SUBSTRATE FOR HEAT EXCHANGER
Document Type and Number:
Japanese Patent JPS61288944
Kind Code:
A
Abstract:
A crash protection apparatus for a pulling device having a hollow piston cylinder and a pulling claw for pulling a tube out of a tube sheet of a heat exchanger chamber in which the pulling device is disposed, the crash protection apparatus includes another cylinder without a piston rod having an axis substantially parallel to the axis of the hollow-piston cylinder and being fixed relative to the tube sheet in the chamber, a piston of the other cylinder, a bracket extending from the piston substantially at a right angle to the axis of the other cylinder for supporting the pulling device with a supporting force provided by the other cylinder, and a device for controlling the supporting force for compensating only the weight of the pulling device in each position of the pulling device.
More Like This:
| WO/2002/074612 | INTERNAL JIGGING |
| JP2001038548 | ASSEMBLING METHOD OF CAMSHAFT AND CAMSHAFT MANUFACTURED THEREBY |
Inventors:
HANSU HARAA
Application Number:
JP13634486A
Publication Date:
December 19, 1986
Filing Date:
June 13, 1986
Export Citation:
Assignee:
BBC REAKTOR GMBH
International Classes:
B23P21/00; B23P19/02; B25B27/02; F22B37/00; F22B37/58; (IPC1-7): B23P19/04
Attorney, Agent or Firm:
Takehiko Suzue
Previous Patent: MANUFACTURE OF STAINLESS CUTTER COATED WITH FLUORORESIN
Next Patent: END-EFFECTER FOR FASTENING AND LOOSENING BOLT
Next Patent: END-EFFECTER FOR FASTENING AND LOOSENING BOLT