sewing nylon or polyester

Hi Dianne, "Soldering that nylon sounds interesting. The heat causes it to melt and bond with the subsequent layers?" Yes, and if you put a piece of metal underneath you get a nice, neat little hole. The writer proposed the low heat type, you know, the ones that are for electronic work, with the fine point. He also said to put a spring on the end, so that when you lift your iron away from the fabric it doesn't just pop-up, before cooling. I have some memory wire here that I made a spring from, just the right diameter. Really works quite nicely. Of course. the bond won't withstand much pull, but enough for handling. Thanks again for your help, Dianne. I'll probably be calling on you down the road. But for now I have to do a lot of measuring, and then a lot of sewing. I have some, fairly heavy thread here. It'll cut your hand before you can break it. Maybe that's the ticket? It's noticeable heavier than normal thread, but STRONG.

John

Reply to
Shinnen
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Hi Dianne, What about invisible thread? It's very strong.

John

Reply to
Shinnen

Reply to
Dianne Lewandowski

Ladies, When I look at the machine sewn panels, it appears that they've folded over the edges, then sewn the four layers together. Why would they fold the two layers over to make four, rather than just sew the two layers together, no fold? Either way the stitch is only pulling two layers together.

John

Reply to
Shinnen

Not having pulled an umbrella apart, I can't help you! :-) I haven't a clue. It may be for support. There's an extreme amount of stress on the seams of an open umbrella.

Dianne

Sh> Ladies,

Reply to
Dianne Lewandowski

What you describe is called in some places a French seam , it is meant to stop fraying of the very thin material used for umbrelas, as well as stop water from dripping in between the stiches of the cloth . My OPA used to manufacture Umbrellas and Sunshades, Years ago in Venlo Holland. Thus i have a very soft spot for Umbrellas. Lately i found a Catalog of an Artist who used many Umbrellas in his Art ,, Ricardo Brey. mirjam

Reply to
Mirjam Bruck-Cohen

Maybe it's to stop the ends fraying. My machine does that when hemming.

Catherine

Reply to
Catherine Milton

Reply to
Dianne Lewandowski

Reply to
Brenda Lewis

I have Several Umbrellas , Alas None made by my OPA, I looked at them.

No need to wait till it falls apart, just raise the the metal. On the foldable 'Zoom" Unbrella [ no country of origin mentioned], The parts are sewn together with asynthethic thread once , than the seam folded ONCE on the inside and seamed again [not in the usual French seam that is a Double fold]. Thus you have one seam on the seam and another side seam, on the inside , it looks more like when sewing clothes and than Zigzaging the inside. As to Fraying when i gently rubbed the edge it frayed a bit, One shouldn`t forget that Impregnation also serves partly to stop fraying . mirjam

Reply to
Mirjam Bruck-Cohen

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