| abstract |
(57) [Summary] [Object] The present invention provides a calendar that uses a biodegradable resin molding for a fastener for fixing the paper portion of a calendar, solves a waste treatment problem, and is useful for environmental protection. The purpose is to do. [Structure] Using a biodegradable plastic, an extruder is used to perform profile extrusion to produce a calendar fastener 2, and the fastener 2 is used to fix a calendar printing paper 6 and a hook 5 separately produced. Attach to the fastener 2 and calendar 1 To produce. |