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Rubber stamping, also called stamping, is a craft in which some type of ink made of dye or pigment is applied to an image or pattern that has been carved, molded, laser engraved or vulcanized, onto a sheet of rubber. The rubber is often mounted onto a more stable object such as a wood, brick or an acrylic block. Increasingly the vulcanized rubber image with an adhesive foam backing is attached to a cling vinyl sheet which allows it to be used with an acrylic handle for support. These cling rubber stamps can be stored in a smaller amount of space and typically cost less than the wood mounted versions. They can also be positioned with a greater amount of accuracy due to the stamper's ability to see through the handle being used. Temporary stamps with simple designs can be carved from a potato. The ink coated rubber stamp is pressed onto any type of medium such that the colored image is transferred to the medium. The medium is generally some type of fabric or paper. Other media used are wood, metal, glass, plastic, rock. High volume batik uses liquid wax instead of ink on a metal stamp. Commercially available rubber stamps fall into three categories: stamps for use in the office, stamps used for decorating objects or those used as children's toys. == Business rubber stamps == There are three distinct types of rubber stamps: traditional, where the pad is in a separate container from the stamp; Self-inking stamps, which have a self-contained die that rests against the pad until the die is flipped 180 degrees to make an imprint; and pre-inked stamps, where the die itself is actually impregnated with the ink. Rubber stamps for business commonly show an address and corporate logo. They often have movable parts that allow the user to adjust the date or the wording of the stamp. They are used to date incoming mail, as well as to denote special handling for documents. In some countries it is common practice for formal documents such as contracts to be rubber-stamped over the signature as additional evidence of authenticity. Business stamps are generally available from stationers or direct from the manufacturer. Popular stamps include address stamps and check endorsement stamps. Among the few areas where business stamps are seeing sales growth is in the merging of the commercial stamp market with the creative/art side. Many people are opting to add color and art for a decorative effect to their address stamps. Some artists have been using such stamps to decorate pieces of art for special effects or in an ironic way. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rubber stamp」の詳細全文を読む スポンサード リンク
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