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Re: [ARSCLIST] Another little chemistry observation
At 08:17 PM 9/14/2005, Mike Csontos wrote:
Many years ago, when these reels were relatively new, a friend of mine had a
similar experience with some tape stored on a 3M self-takeup reel. He
complained to 3M, they confirmed that this was a problem with the
adhesive used to
catch the end of the tape at the hub, and sent him a replacement
reel with the
warning not to use it to store tape.
I don't think one should draw conclusions about vinegar syndrome from this
experience. There are other reels that have little or no side
openings so one
could look for problems with them.
Mike,
This reel didn't appear to have adhesive but rather three metal clips
that spring from the inside of one of the flanges and narrow the
width of the opening for about 10 mm. The three clips or grabbers
extend farthest into the space normally occupied by the tape at the
hub. At the 10 mm point, they are actually recessed into slots
moulded in the flanges so the tape would contact the flange before
the spring. The outside (adjacent to the flange) of the springs are
silvery looking, the insides (which were adjacent to and/or touching
the tape are green. The flange opposite the clips is frosted and I
haven't gotten a good look at the surface of the clips/grabbers.
Cheers,
Richard
Richard L. Hess email: richard@xxxxxxxxxxxxxxx
Vignettes
Media web: http://www.richardhess.com/tape/
Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX
Detailed contact information: http://www.richardhess.com/tape/contact.htm