PIERCING PUNCH AND SHEET PIERCING DEVICE

• Main Authors: SUNAGO RYOMA, OSHIMA HIROAKI
• Format: Patent
• Language: English; Japanese
• Published: 28.11.2024
• Subjects: CUTTING; CUTTING-OUT; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING; HAND CUTTING TOOLS; PERFORATING; PERFORMING OPERATIONS; PUNCHING; SEVERING; SEVERING BY MEANS OTHER THAN CUTTING; STAMPING-OUT; TRANSPORTING

To provide a piercing punch which enables easy and reliable piercing of a sheet.SOLUTION: A piercing punch 1 includes: a punch body 2 having a storage part 5 at a center of a tip formed with a blade edge 3; and a flexible pressing member 10 held in the storage part 5 so that a tip protrudes from an opening 5b of the storage part 5. The pressing member 10 is housed in the storage part 5 while forming a gap therebetween so that a tip can be buried in the storage part 5 by deflection. It is preferable to form the pressing member 10 in a columnar shape. It is preferable to form a fixing part 5a to be fitted with a base end part of the pressing member 10 at a bottom part of the storage part 5.SELECTED DRAWING: Figure 2 【課題】用紙の穿孔を容易且つ確実に行うことができる穿孔用パンチを提供する。【解決手段】刃先３が形成された先端部の中央に収容部５を有するパンチ本体２と、収容部５の開口５ｂから先端が突出するように収容部５内に保持された可撓性の押圧部材１０とを備え、押圧部材１０は、撓み変形により先端が収容部５内に埋没可能となるように、収容部５に隙間をあけて収容されている穿孔用パンチ１である。押圧部材１０は、柱状に形成されていることが好ましく、収容部５の底部には、押圧部材１０の基端部が嵌合される固定部５ａが形成されていることが好ましい。【選択図】図２