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Wine industry. Screw caps' use as an alternative to cork for sealing wine bottles is gaining increasing support. A screw cap is a metal cap that screws onto threads on the neck of a bottle, generally with a metal skirt down the neck to resemble the traditional wine capsule ("foil"). A layer of plastic (often PVDC), cork, rubber, or other soft ...
Screw. An assortment of screws, and a US quarter for size comparison. A wood screw: a) head; b) non-threaded shank; c) threaded shank; d) tip. The six classical simple machines. A screw is an externally helical threaded fastener capable of being tightened or released by a twisting force (torque) to the head. The most common uses of screws are ...
Bottle cap. A generic 21-tooth crown cork bottle cap. A bottle cap or bottle top is a common closure for the top opening of a bottle. A cap is sometimes colorfully decorated with the logo of the brand of contents. Metal caps with plastic backing are used for glass bottles, sometimes wrapped in decorative foil.
These feedthrough connectors are typically green, and are also called "screw-on grounding connectors". Another specialized connector version has a permanently attached wire pigtail protruding from the top of the insulated cap. The pigtail may be unterminated, or it may end in a preinstalled spade lug. If colored white, it typically may be used ...
A screw cap capsule ready to be fitted onto a wine bottle. A screw cap is a metal, normally aluminium, cap that screws onto threads on the neck of a wine bottle, generally with a metal skirt down the neck to resemble the traditional wine capsule ("foil"). A layer of plastic (often PVDC), cork, rubber, or other soft material is used as wad to ...
Screw clamps consist of a band, often galvanized or stainless steel, into which a screw thread pattern has been cut or pressed. One end of the band contains a captive screw. The clamp is put around the hose or tube to be connected, with the loose end being fed into a narrow space between the band and the captive screw.
Stelvin cap, disassembled. Screw caps or "Stelvin caps" are closures made only from aluminium material that threads onto the bottleneck. They are the predominant closure used by Austrian, Australian and New Zealand wineries. [8] [9] This can be attributed in part to the New Zealand screw cap initiative which promotes the use of screw caps ...
List of screw drives. At a minimum, a screw drive is a set of shaped cavities and protrusions on the screw head that allows torque to be applied to it. [1][2] Usually, it also involves a mating tool, such as a screwdriver, that is used to turn it. Some of the less-common drives are classified as being "tamper-resistant".