The bagging of seamed woven fabrics was estimated under the constant load conditions by a modified JIS method and the influence of the seam was considered in this study.
The results obtained were as follows;
1) There was a linear relationship between the amount of the residual deformation of fabrics without a seam and the number of load cycles on a semi-log graph. A linear relationship was obtained between the residual deformation normalized with that of the first cycle and the number of load cycles on a semi-log graph irrespective of constant load setting.
2) The amount of the residual deformation of seamed fabrics was influenced by some factors such as the characteristics of sewing thread and stitch density.
3) In the case of seamed fabrics, the largest residual deformation was observed at a certain angle between seam and warp direction. The residual deformation was correlated with the average of elastic moduli of both the fabric specimens parallel and perpendicular to the seam.
4) It was confirmed that the sewing angle between seam and warp direction was very influential on the bagging of a two-piece sleeve in model experiment.

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The effects of temperature, time and load on dry heat setting to crease fabrics are examined and a mutual relationship among them is discussed here.
The setting treatment is done to crease fabrics by using a scorch tester and an effect of the setting is evaluated with the crease-recovery angle.
An exponential change has been found that the crease-recovery angle decreases largely within a short period of treatment time and gradualy approaches to a constant value in a process of the treatment time. With the results on a semi-log graph, the authors found out the condition above which sufficient setting to crease fabrics can be done, and referred to as a “set point”.
The temperature of the set point varies nearly in inverse proportion to the logarithm of the time of it in each case of pressing load except for low temperature treatment (90°C) of wool fabrics, and following equation is obtained.
H=a log t+b
where, H and t are the temparature (°C) and the time of the set point (sec) respectively and a and b are constants.

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