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HP Forum Archive 13

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HP 41 rubber feets
Message #1 Posted by Frederic on 26 Aug 2003, 12:35 p.m.

Hi, i just repair my HP-41C and fully clean it. To finish the job, i need all the four black rubber feet tht had been lost with time.

What material can i use to replace these rubber feets and what to use to glue them in place?

I think about using a old tire inside trip but nothing for the glue.

      
Re: HP 41 rubber feets
Message #2 Posted by Naim on 26 Aug 2003, 12:50 p.m.,
in response to message #1 by Frederic

"feets"? Anyway, I used a good quality tyre tube with much success.

      
Re: HP 41 rubber feets
Message #3 Posted by David Ramsey on 26 Aug 2003, 1:03 p.m.,
in response to message #1 by Frederic

To glue the feet in place, use automotive interior trim adhesive. It comes in a spray can and one can will be a lifetime supply-- easily enough for thousands of rubber feet. This stuff is available at any auto supply store and is normally used for things like repairing sagging roof liners.

Place the foot or foot substitue face down on wax paper. Lightly spray the foot with the adhesive. Carefully pick it up and stick it on the calculator.

            
Re: HP 41 rubber feets
Message #4 Posted by Renato on 26 Aug 2003, 1:25 p.m.,
in response to message #3 by David Ramsey

Double sided scotch tape is ok for me. It is also very easy to apply.

      
Re: HP 41 rubber feets
Message #5 Posted by bill platt on 26 Aug 2003, 2:05 p.m.,
in response to message #1 by Frederic

Bonjour Frederic,

try searching the current forum, as well as the most recent archive. There was quite a bit of activity on wht sort of rubber sheet material to buy.

Regards,

Bill

            
Re: HP 41 rubber feets
Message #6 Posted by Randy Sloyer on 26 Aug 2003, 5:47 p.m.,
in response to message #5 by bill platt

Double sided carpet tape works well as it has a high shear strength adhesive just like the original 3M stick-ums. I just wish I could find it in the original black color.

                  
Re: HP 41 rubber feet
Message #7 Posted by Katie on 27 Aug 2003, 9:49 a.m.,
in response to message #6 by Randy Sloyer

Randy,

I use carpet tape as well and it's white. But since it's not visible under the rubber feet (if you cut it right) why do (would) you want to use black tape. Isn't that carrying authenticity a bit too far! ;-)

-Katie

                        
Re: HP 41 rubber feet
Message #8 Posted by Randy Sloyer on 27 Aug 2003, 12:13 p.m.,
in response to message #7 by Katie

I'm into preserving perfection :^)

I have found a good way to hide the white. First, clean the rubber sheet, and apply the tape so you can cut both the foot and tape in the same operation. I then cut with a rotary wheel cutter on a resilient cutting pad using a small metal T-square. It makes for very smooth, straight sided cuts. Almost as good as...

                              
Re: HP 41 rubber feet
Message #9 Posted by David Smith on 28 Aug 2003, 2:24 p.m.,
in response to message #8 by Randy Sloyer

3M makes all sorts of double sided sticky industrial adhesives. I had some samples of some that was an exact physical match for the stuff HP used. I think it was rated at around 2000 lbs per square inch of material... them footsies ain't gonna fall off.

                                    
Re: HP 41 rubber feet
Message #10 Posted by Randy Sloyer on 28 Aug 2003, 5:02 p.m.,
in response to message #9 by David Smith

Do you know what the 3M product number was? I went through their website for double-sided tapes but I never found any black carrier products.

                                          
Re: HP 41 rubber feet
Message #11 Posted by David Smith on 30 Aug 2003, 1:07 p.m.,
in response to message #10 by Randy Sloyer

I check the pieces that I have. They have no number on them. Only "3M Hi Performance"... The pieces were cut out of a larger sheet and any number was probably there. The earlier material I have was a dark grey color. The later was clear.

      
Re: HP 41 rubber feets
Message #12 Posted by Stefan Hauschild on 27 Aug 2003, 7:01 a.m.,
in response to message #1 by Frederic

Spare rubber feet for some case sizes are available at our local parts store (Conrad Electronic). If I needed some I would try to cut them down.

Best regards

Stefan

            
Re: HP 41 rubber feets
Message #13 Posted by Michael Meyer on 28 Aug 2003, 3:49 a.m.,
in response to message #12 by Stefan Hauschild

I just tonight stuck 4 new feet on a 62A printer. I used the "roll-on" adhesive tape method (the new press and roll dispensers). Works great on many things and allows simple, fast, complete coverage of surfaces.

Michael


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