Search results
Results from the WOW.Com Content Network
Brass buttons from the uniform of a Danish World War I artillery lieutenant Modern buttons made from vegetable ivory. A button is a fastener that joins two pieces of fabric together by slipping through a loop or by sliding through a buttonhole. In modern clothing and fashion design, buttons are commonly made of plastic but also may be made of ...
Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869: John Wesley Hyatt discovers a method to simplify the production of celluloid, making industrial production possible. 1872: PVC was accidentally synthesized in 1872 by German chemist Eugen Baumann ...
The two halves of a riveted leather snap fastener. The top half has a groove which "snaps" in place when "pressed" into the bottom half. A snap fastener, also called snap button, press button, [1] press stud, [1] press fastener, dome fastener, popper, snap and tich (or tich button), is a pair of interlocking discs, made out of a metal or plastic, commonly used in place of traditional buttons ...
Please see external links for images of buttons (front & back) made from the material(s) in question. ("NBS name" refers to labelling used by the National Button Society, USA.) ("NBS name" refers to labelling used by the National Button Society, USA.)
Bakelite and other non-metal materials were tested for usage for the one cent coin in the US before the Mint settled on zinc-coated steel. [66] [67] During World War II, Bakelite buttons were part of British uniforms. These included brown buttons for the Army and black buttons for the RAF. [68]
Plastic-molded zippers are identical to metallic zippers, except that the teeth are plastic instead of metal. Metal zippers can be painted to match the surrounding fabric; plastic zippers can be made in any color of plastic. Plastic zippers mostly use polyacetal resin, though other thermoplastic polymers are used as well, such as polyethylene ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
By 1965, around 75% of U.S. breweries were using them, but in the mid-1970s, pressure from environmentalists due to litter led to the development of the non-removable tabs used today. By 1980, his company was supplying can-end machinery worldwide making over $500 million in annual revenue.