With the purpose of producing beautiful frills of uniform shape, the wave form press machine that can be easily used even by inexperienced dressmaker was designed and fabricated and an experimental use of this wave form press machine was attempted.
In this experiment, six types of fabrics of different quality were employed. After fine lock stitches were made on the edge of these fabrics, the difference in gathered frill shape was compared when the wave form press machine was applied and when it was not. In addition, a study was made on the effectiveness of the wave form press machine in producing frills.
Next, as for its application in handicraft, attempts were made in producing flower vase cloth with this wave form press machine.
The results of these efforts elucidated the following :
1) In producing frills with the use of the wave press, the shape of the frills closely resembled the shape of the wave form press machine and the dispersion of the width and height of the wave pattern of the frill was also small, enabling production of frills of great uniformity.
The degree of correspondence between the shape of the wave form press machine and the shape of the frill wave was high. The desired frill could be produced by making the wave pattern of the wave form press machine identical to the shape of the desired frill.
2) The ratio of interval to amplitude of the frill shape was obtained by applying the theory of drape wave pattern and its relationship to the ratio of bending rigidity to shearing rigidity of the fabric was studied. A negative correlation was demonstrated.
3) The wave form press machine could produce flower vase-mat having uniform frills. Furthermore, it could also be applied in forming frills on the fabric edge of seat back cover and armrest cover.
Our study demonstrated that the fabricated the wave form press machine is easy to use and is effective in producing frills having wave pattern of uniform height. Though pressing of straight fabrics was feasible, it was difficult to cope with curves.
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