发明名称 Leather button mfr. - using material leather deep drawn and filled with plastic material
摘要 Calotte-shaped leather button is made by deep drawing a natural leather patch to a hemispherical shape and trimming it on an equatorial plane. The inside is filled and sealed by polyamide or polyester of the same colour and a small eye is formed at one end for the sewing cotton. ADVANTAGE - Leather buttons are resistant to the washing and cleaning process.
申请公布号 DE4010044(A1) 申请公布日期 1991.01.24
申请号 DE19904010044 申请日期 1990.03.29
申请人 HOLLE JUN., HANS-JOACHIM, 4320 HATTINGEN, DE 发明人 HOLLE JUN., HANS-JOACHIM, 4320 HATTINGEN, DE
分类号 A44B1/02;A44B1/10 主分类号 A44B1/02
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