Dating metal zippers

Such a zipper is easier to open and close than a clipped version, and the slider has a gap above the zipper teeth for separating the ridge seal.

This seal is structurally weak against internal pressure, and can be separated by pressure within the sealed container pushing outward on the ridges, which simply flex and spread apart, potentially allowing air or liquid entry through the spread-open ridges. Ridge-sealed zippers are sometimes used on lower-cost surface dry suits. Some zippers include a designed ability for the slider to hold in a steady open or closed position, resisting forces that would try to move the slider and open the zipper unexpectedly.

There are two common ways this is accomplished:. The zipper handle can have a short protruding pin stamped into it, which inserts between the zipper teeth through a hole on the slider, when the handle is folded down flat against the zipper teeth. This appears on some brands of trousers. The handle of the fly zipper is folded flat against the teeth when it is not in use, and the handle is held down by both slider hinge tension and the fabric flap over the fly. The slider can also have a two-piece hinge assembly attaching the handle to the slider, with the base of the hinge under spring tension and with protruding pins on the bottom that insert between the zipper teeth.

To move the zipper, the handle is pulled outward against spring tension, lifting the pins out from between the teeth as the slider moves. When the handle is released the pins automatically engage between the zipper teeth again. They are called "auto-lock sliders". A three-piece version of the above uses a tiny pivoting arm held under tension inside the hinge.

Pulling on the handle from any direction lifts the pivoting arm's pins out of the zipper teeth so that the slider can move. Indian Tex Corp has also emerged as a significant supplier to the apparel industry. In Europe, Cremalleras Rubi company established in in Spain , continues to compete with the big multinationals selling over 30 million zippers in In , The Guardian reported that China had 80 percent of the international market. Most of its product is made in Qiaotou, Yongjia County. Zippers have entered into urban legends.

American folklorist Jan Brunvand noted that "The zipper has been the subject of jokes and legends since Those stories reflect "modern anxieties and desires", emphasizing embarrassments and accidents, primarily involving the flies of men's trousers in stories such as "The Unzipped Stranger" and "The Unzipped Fly". The zipper is often the least durable component in any garment or type of equipment. Most often the zipper fails to close due to a worn or bent slider not being able to apply the necessary force to the sides of the teeth to cause them to interlock. This problem can sometimes be redressed by using small pliers to carefully squeeze the back part of the slider together a fraction of a millimeter.

This can compensate for the wear of the slider. The slider is typically made as a magnesium diecast which breaks easily. It is necessary to reduce the force on the pliers before it can be felt that the slider actually gives in. If it is not yet possible to successfully close the zipper, the pressure applied to the slider should only gradually be increased.

Another way to reduce the gap of the open end of the slider is by preparing a small block of wood by sawing a slot into one end so that it fits over the upper arm of the slider.

File history

Then a hammer can be used to exact a force onto the slider by carefully hitting the wood. When the protective coating of the diecast slider has been worn off by prolonged usage, the material can corrode. The corrosion products are usually metal salts which can accumulate and block the slider from moving. When this happens the salt can often be dissolved by submerging the slider in vinegar or another mild acid.

Otherwise the slider needs to be removed and replaced. From Wikipedia, the free encyclopedia. For other uses, see Zipper disambiguation. For the racehorse, see Zipping horse. This article includes a list of references , but its sources remain unclear because it has insufficient inline citations. Please help to improve this article by introducing more precise citations. Beginning in the s when casual clothing became more popular for women, clothing companies found their home and style inspiration from the Hollywood glamour associated with the west coast lifestyle.

Companies like Alice of California , Murs of California , Koret of California , Marc of California above and Cole of California were born in the s and s and continued producing styles into the s. While Hawaii officially became an American state in , its influence on American fashion began in the s when tourism to the Pacific increased thanks to more cruise ships sailing to the islands.

Hale Hawaii and Kuu-Ipo Hawaii are other examples with more deliberate Hawiaan branding in their names. Without a size listed, earlier than With a size listed, you need to look at other aspects of the garment to determine its age, as sizing was used before just not in regulated fashion. If you find a piece produced by a brand and without a listed size, you can confidently conclude that garment was produced in or earlier. I am a size 6, roughly a This dress fits me perfectly, because a size 12 vintage is a modern size 6! The sizing system changed again in , to roughly 4 sizes bigger than modern size.

The tag of a prominent designer or in-house line, such as Emilio Pucci above or Lilly Pultizer below. Like the styles of clothing they created, the look of a designer tag changed throughout the history of the brand. Lilly Pulitzer the brand was born in , when Mrs. These styles of clothing usually included muumuu dresses, jumpsuits with culotte style wide pants and various polyester separates that could be mixed and matched into different outfits. While relaxed in fit and material, hostess wear was still elegant and thoughtfully designed as they were intended to be worn by the woman-of-the-household when hosting a social gathering at her home.

She needed to wear an attractive ensemble that still allowed her to manage the party and needs of her guests. Great list, Sammy — 4, 5, and 8 were all new to me.

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Pics are super helpful too. Thanks for sharing your knowledge! I am constantly learning new tricks too. Maybe you could submit your pictures to that page as well. This is the only resource I know of — the Ebay guide lost its photos! I really appreciate it! I need some buttons knowledge now for dating ;-.

Such a brilliant post, so useful and well researched. I learnt more reading this than I have in the last week. Ps love the Pucci fabric! This is incredibly helpful! I will be a scientist of vintage more often then. Thank you for your feedback! Hi, I have a long black Velvet gown that was made by Int ladies garment workers union the lable has acxo doesnt have USA but unclear what the other logo is second lable reads order style Is there a good source to get dates?

March 12, — I have bought a pair of vintage zxx.. May 16, — February 10, — Does anyone have any idea? It is a metal zipper. Any help is appreciated.

How to Date Clothing as Vintage

June 28, — Have you found an answer to your question yet? I have not had any luck so far. November 20, — Your dress dates to or later. May 30, — In I worked the evening shift, getting an early pass to skip a late study hall from Meadville High. Most production was for military uniforms because brass was scarce.

How to identify vintage zippers

One floor was producing other war items besides zippers. One zipper had a fast release on the top for navy pilots who would need to quickly remove their boots in a crash. Moved to Pittsburgh in How about Serval zipper????? I cannot find anything about this thing: There are no markings other than on the zipper.

January 4, — March 18, — Anyone know of a metal zipper in a dress with MARK engraved in the pull? On a dress, 50s 60s perhaps?? May 1, — It zips up with a solid Talon zipper on 2 sides of the folio. Trying to date it. Zipper appears to be brass and still works like a charm.

File:Coil plastic and metal zippers.jpg

June 11, — Does anyone know of a rather large zipper pull for handbags called Astro. I have a purse with this large zipper pull. The bag is made in Mexico.

Putting Pulls on Metal Zipper Tape

October 6, — It has Areitio on the inside of all the zippers. January 17, — Any help would be greatly app- recited.

plastic zipper with individual teeth

January 23, — I am trying to find out more information about a pair of pants I found. The pants are made by Gay-Town Toronto. The zipper is located on the side of the pants but instead of running vertically on the side it goes horizontally. The one piece says Trek Brantford Ontario. I have several pictures if seeing it might help. Thank you in advance.

March 23, — May 3, — June 23, — October 20, — This jacket is a higher quality item than I was wearing in the 80s, so I could be a bit off.. July 22, —