In order to visualize the flow pattern on an air jet loom, the electrolytic tank analogue technique was studied to get the following results:
1) In case of an axisymmetric flow of a perfect fluid, the direct wedgetank analogue can be utilized easily and accurately for plotting of equipotentials, and the orthogonal hyperbolic tank analogue for plotting of stream lines.
2) The analogue technique mentioned above is applied to the flow in a nozzle to clarify the flow pattern there and to know the effect of the yarn guide length on the flow.
3) The same technique is also applied to the shed to show the rapid air flow against or through the slay. If the substreams are added, this flow is somewhat lessened, resulting in improvement of axial stream.

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The compressive deformation theory of carpets presented in the previous paper is improved in this paper.
At first, the compressive deformation of the carpet yarns by a lateral pressure is introduced in this theory.
Secondarily, the bending property of the yarn is used for theoretical calculation instead of the property of the fiber.
By these two improvements, the theory can extend its validity and becomes applicable to calculating the compressive property of the tufted and axminster carpets woven from two-folded yarns.
The experimental curves of the relation between compression and deformation of those tufted and axminster carpets have been compared with theoretical ones with fairly good agreement.

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There are many ingenious methods to provide nip uniformity by making the load distribution of a mangle uniform. In this paper the authors develop mathematical analysis of the effect of three such methods. The first is surface cambering which compensates the roller deflection by the distributed thickness of the roller covering along the length of the covered rollers. The second is moment compensation which applies a moment to each end of the roller shaft tending to deflect the covered roller in the opposite direction to that due to normal deflection. The last is a method in which the covered rollers are supported at some intermediate positions between the ends and the center, instead of at both ends.
The fundamental theory of the bending of symmetrical rubber-covered pressure rollers derived in the earlier paper is applied to these three cases mentioned above. The following is a summary of the conclusions obtained from theoretical analysis and numerical calculations:
(1) Surface cambering providing a rigorously uniform load distribution against a certain design load is the same as the deflection of the roller mandrel due to the uniformly distributed load which is equal to that design load.
(2) Once surface cambering is determined for one loading condition of a mangle, the load distribution becomes uneven when the mangle works under other loading conditions.
(3) Theoretical analysis of moment compensation method has revealed that there exists an optimum amount of the compensating moment which is proportional to a moment PL and that the moment is almost independent of λ below 1.0. The covered rollers on which exerts the optimum compensation moment excel the clamped-support covered rollers in nip uniformity.
(4) Intermediate-support covered rollers are the best in nip uniformity when they are supported at an optimum position. This optimum position is about 55% of half of the length of the covered rollers from the center, and is independent of the characteristic number λ and of the average load w.

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