Plastic self-compressing adapter with grooves, attached to the jaws of a bench vise, secures thin-wall tubing vertically or horizontally during cutting and flaring operations without marring or damaging it. Magnets incorporated in both sections of the adapter prevent detachment from the jaws when the vise is opened

Howland, B. T.

Jones, A. S., Jr.

English

NASA Technical Reports Server

February 1966
	 Brief 66-10056 
NASA TECH BRIEF 
NASA Tech Briefs are issued to summarize specific innovations derived from the U. S. space 
program and to encourage their commercial application. Copies are available to the public from 
the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151. 
Bench Vise Adapter Grips Tubing Securely and Safely 
Vertical Grooves 
The problem: 
Securing thin-walled tubing verticallyor horizontally 
in a bench vise during cutting and flaring operations, 
without marring or damaging it. 
The solution: 
A plastic self-compressing adapter with grooves, 
which attaches to the jaws of a bench vise. 
How it's done: 
The adapter is in two sections that fit over the jaws 
of a bench vise. Rounded grooves corresponding to
the radius of the tubing to be worked are formed hori-
zontally and vertically along the clamping surface of 
each section. When the two sections are brought to-
gether by the closing jaws of the vise, the grooves mate 
to hold the tubing securely. Any practical size and num-
ber of grooves can be incorporated; the grooves can 
even be made to run diagonally. Use of a plastic ma-
terial, because of its resilience, provides a good grip 
on tubing and reduces deforming and marring hazards. 
Compression springs within each section prevent the 
collapse or deformation of tubing under excessive vise 
pressure, and ensure that the work remains in place 
when vise pressure is partially released.
(continued overleaf) mew
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Notes: 
I. This development is in the conceptual stage only 
and as of the date of this publication neither a 
model nor a prototype has been constructed. 
2. Magnets could be incorporated in both sections to 
prevent detachment from the jaws when the vise 
is opened. 
3. The adapter could find application in the plumb-
ing, air-conditioning, and aerospace industries, or 
in any industry where work with thin-wall tubing is 
done.
4. Inquiries concerning this innovation may be di-
rected to: 
Technology Utilization Officer 
Manned Spacecraft Center 
P.O. Box 1537 
Houston, Texas, 77001 
Reference: B66-10056 
Patent status: 
No patent action is contemplated by NASA. 
Source: Benjamin T. Howland 
and Albert S. Jones, Jr., 
of North American Aviation, Inc., 
under contract to 
Manned Spacecraft Center 
(MSC-279) 
Brief 66-10056	 Category 05


Bench vise adapter grips tubing securely and safely

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