Cutting – Processes – With reorientation of tool between cuts
Patent
1990-08-21
1991-08-27
Yost, Frank T.
Cutting
Processes
With reorientation of tool between cuts
83 56, 83 766, 83940, B26D 314, D06H 700
Patent
active
050423380
ABSTRACT:
In a method and apparatus for cutting a slit notch in a pattern piece during the cutting of the pattern piece from work material consisting of a single sheet or a lay-up of sheets of sheet material the slit notch is cut when a notch point is reached by the cutting tool in its cutting along the line defining the pattern piece periphery. After the slit notch is cut the tool is withdrawn from cutting engagement with the work material and returned to a point associated with a previously cut portion of the peripheral line and spaced rearwardly from the point of furthermost previous advance of the tool along the peripheral line before the cutting of the slit notch to assure the cutting of material which may shift in the vicinity of the point of furtherest advance between the tool's first and later appearance of at that point, thereby obtaining clean cutting of the pattern piece from the work material allowing it to be easily separated from the waste material.
REFERENCES:
patent: 3626799 (1971-12-01), Gerber et al.
patent: 3766813 (1973-10-01), Pearl
patent: 3838618 (1974-10-01), Eissfeldt et al.
patent: 4133233 (1979-01-01), Pearl
patent: 4667553 (1987-05-01), Gerber et al.
Gerber Garment Technology, Inc.
Jones Eugenia A.
Yost Frank T.
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