The sewing machine eye is provided as a section for opening, when opening from where of start origin of the four corners the full opening opening die envelope whose opening is possible

摘要

Topic The specific envelope which provides the section for part opening and extensive opening making use of the surface is offered.SolutionsMaking use of the surface, to be the specific envelope which provides the section which can choose part opening full opening opening, address name: The surface which writes address Name in the surface, the surface, the right-hand side and the lower arm, in the left-hand side, the sewing machine eye is provided as a section for part opening and full opening opening. The specific envelope which had the feature which the surface A - B and the right-hand side B - C, the lower arm C - D, the left-hand side D - like A provides the sewing machine eye, from ABCD which origin can do opening start. Choice figure Drawing 1