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Posted (edited)

I am trying to insert a zip into a slot I have cut in a piece of leather. As you can see from the picture the zip wont lay flat.

Any ideas how to stop this happening, I am thinking about glueing 2 small strips of leather to the under side of the zip to make it less flexible and then sewing right through.

17245010684_25fddfc3bb_b.jpg

Edited by leaky5
  • Members
Posted

Thinking about it, I may try and glue the zip to the leather in the picture first and then glue a small strip along the under side.

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Posted

Should help. It looks like your bottom feed dog is pushing the tape up and the top is not feeding as much.

Double sided tape.... Better than glue

This is hand stitched, are you refering to machine stitching ?

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Posted (edited)

Well, if you're actually talking about the item in the picture I'm afraid that you will not be able to salvage it. You'll need to remove the stitching and start over.

Regardless of how you attach the zipper to the leather prior to stitching (gluing or tape or whatever) it's there and then you'll be able to make any adjustments. If it's not lying flat just pull it off and start over. Once it's flat, start stitching. Using a stitching pony/clamp helps. Make sure not to pull away the zipper material of the leather as you stitch - difficult in the beginning but with practice it gets easier. I always push a stitching awl through all holes prior to stitching while having it flat against a rubber mat or similar. Makes it easier when sewing.

Also - the width of the gap for the zipper should be as little as possible. Yours seems a bit unnecessary wide - but it might be the photo. Finally, use metal zippers. Nylon/plastic zippers are usually of lower quality and that might also explain the stretchiness.

Good Luck.

Edited by ConradPark
  • Members
Posted (edited)

Well, if you're actually talking about the item in the picture I'm afraid that you will not be able to salvage it. You'll need to remove the stitching and start over.

Regardless of how you attach the zipper to the leather prior to stitching (gluing or tape or whatever) it's there and then you'll be able to make any adjustments. If it's not lying flat just pull it off and start over. Once it's flat, start stitching. Using a stitching pony/clamp helps. Make sure not to pull away the zipper material of the leather as you stitch - difficult in the beginning but with practice it gets easier. I always push a stitching awl through all holes prior to stitching while having it flat against a rubber mat or similar. Makes it easier when sewing.

Also - the width of the gap for the zipper should be as little as possible. Yours seems a bit unnecessary wide - but it might be the photo. Finally, use metal zippers. Nylon/plastic zippers are usually of lower quality and that might also explain the stretchiness.

Good Luck.

Thanks, lol, I have aready removed it once, I started by stiching all the way one way around and had the same problem. So then I started with two sets of needles and thread and worked down each side at the same time to try and keep it even, but it is now as above. I am in no rush to do this, so may start again and cut a smaller slot, it is a bit wide. I also may use this piece as a practice one. I will also look into metal zips.

Edited by leaky5
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Posted

lol, last time I stitched in a zipper, I ended up throwing it somewhere. ;) But Conrad is right on. Glue or tape it and it should work out.

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Posted (edited)

Am I right in thinking it would be wise to make the zipper opening narrow enough to not quite cover the teeth, yet close enough to cause the head of the zipper pull to spread or 'plow' the leather out of the way as it goes along?

Edited by Wicked Welts
Posted

Keep the leather and zipper flat. If you bend it while stitching, the inside radius is smaller, and if that is the side the zipper is on, it will bunch up. Glue or double sided tape helps, but keeping it flat is still required until all stitching is finished. Oh, and don't stretch the zipper fabric.

For those that use machines, walking foot compound machines feed both the top and bottom together. Bottom feed only with the zipper on the bottom is going to bunch up, and stretching to keep things straight may not help in all cases.

Tom

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