Claims
- 1. An apparatus for forming a folding-line on a material comprising:
a base for placing the material; a rail mounted on the base; a carriage slidably mounted on the rail; and a blade mounted on the carriage, the blade including an arc-shaped portion for forming the folding-line on the material.
- 2. The apparatus of claim 1 wherein the arc-shaped portion surrounds the blade.
- 3. The apparatus of claim 1 wherein the blade is rotatable coupled to the carriage.
- 4. The apparatus of claim 1 wherein the blade is fixed to the carriage.
- 5. The apparatus of claim 4 wherein the base comprises a guiding slit along the rail.
- 6. The apparatus of claim 1 wherein a radius of the arc-shaped portion is half of a thickness of the blade.
- 7. The apparatus of claim 1 wherein the material is paper.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This is a continuation-in-part of application Ser. No. 10/244,776, filed Sep. 16, 2002, and which is included in its entirety herein by reference.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10244776 |
Sep 2002 |
US |
Child |
10708043 |
Feb 2004 |
US |