Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Plural or complex apparatus
Reexamination Certificate
2000-05-19
2002-06-18
Crane, Daniel C. (Department: 3725)
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
Plural or complex apparatus
C072S319000
Reexamination Certificate
active
06405574
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a folding system of a cutting blade used in forming a folding line on a sheet matter so that the sheet matter, such as paper or plastic, etc., may be made into a predetermined shape, and more particularly to a folding system of the cutting blade being used so that cutting and folding functions associated with the cutting blade can be performed in one process.
2. Description of the Related Art
Generally, the cutting blade is attached to a pattern for use in pressing a folding or a cutting line on plate matters such as paper, canvas, leather, plastic, etc. The plate matters with such pressed lines can be used in a folded shape like a box. Accordingly, in order to assemble and process the plate matter into a predetermined box shape with the cutting blade, it is necessary that the cutting blade is folded in a shape suitable to forming the processing line in the box shape.
Conventional art for the folding device of cutting blade is disclosed, for example, in Japan Patent No. 1988-309328 and No. 1990-20619. In the conventional art, however, a folded member used as a cutting blade is constructed by a rotary body that converts only a straight line movement into an orthogonal direction against the folded member on an end part of the folded member, or performs only a revolving movement centered about one point. Therefore, a disadvantage along with the use of the prior art cutting blade assemblies is that the folded angle of a processed member is limited to a single range of motion. Also, since two discrete functions are required, namely after a cutting work in separated places, then moving it into a folding device individually, and then the folding work is performed, or after the folding work, then moving it into a cutting device one by one, and then the cutting work is performed, additional time and labor are required, and the overall efficiency of the process decreases.
SUMMARY OF THE INVENTION
Therefore, to solve the above problem, it is an object of the present invention to provide a system for folding a cutting blade to improve a work efficiency and a productivity, by continuously performing all work elements needed in the cutting and folding works of the cutting blade provided in a sheet matter molding, in one work line, the system comprising:
a transferring unit for transferring the cutting blade;
Cutting means, situated between the transferring unit and a guide nozzle, for cutting the cutting blade, which is supplied from the transferring unit, in a length substantially corresponding to the sheet material molding configuration, wherein a cutting tip is formed on the cutting blade;
a guide member of a hollow shape, interposed the cutting means and a folding means and configured to connect the cutting means and the folding means, said guide member having a passage for guiding the cutting blade through the cutting means to the folding means;
folding means, supported such that it may be revolved and moved in a straight line direction to apply a force against the cutting blade passing through the guide member, the folding means positioned adjacent the guide member, and for folding the cutting blade to a predetermined angle, the folding means including at least two folding members;
first driving means configured to engage the folding means, for revolving and driving the folding means against the cutting blade; and
second driving means configured to engage the folding means and move at least one of the folding members of the folding means to a position adjacent the cutting blade, prior to driving the first driving means.
REFERENCES:
patent: 3581535 (1971-06-01), Hinks
patent: 3584660 (1971-06-01), Paine
patent: 3803893 (1974-04-01), Peddinghaus et al.
patent: 3823749 (1974-07-01), Ritter
patent: 4996866 (1991-03-01), Masera
patent: 5461893 (1995-10-01), Tyler
patent: 5463890 (1995-11-01), Tachibana
patent: 5495741 (1996-03-01), Yamada
patent: 62-181835 (1987-08-01), None
Litigation material from SDS USA, Inc. v. Ken Specialities, Inc. (99-133/WHW), 107 Fed. Supp. 2d 574.
Crane Daniel C.
F. Chau & Associates LLP
SDS USA, Inc.
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