Guide member, endless belt, method of producing endless belt, and image forming apparatus using endless belt
An endless belt and guide technology, applied in the field of guides, can solve the problems of positional deviation of rib elements, irregular adhesion, etc., and achieve the effect of improving positioning accuracy and reducing small lateral meandering motions.
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Embodiment 1
[0139] The guide in Example 1 is based on the description in Figure 7 and Figure 8 prepared by the endless belt manufacturing method, and this guide is used to manufacture the endless belt. The materials used for each structural element described in these examples and the following comparative examples, as well as the characteristics of these structural elements, are specific to these described examples or comparative examples, and do not have any significance The constitution of the present invention is limited above.
[0140] Using the methods described previously, the parallelism and straightness of the prepared guides and endless strips were measured.
[0141]
[0142] The second thin film 42 as well as the first thin film 44 were produced in the shape and precision described below (not more than 0.1 mm in a Thompson mold). An adhesive layer 34 described below is formed on the first film 44 .
[0143] First film 44: biaxially oriented polyethylene terephthalate fil...
Embodiment 2
[0174] Using the second film 42 having a thickness of 200 μm and the first film 44 having a thickness of 80 μm, a guide was fabricated in the same manner as in Example 1. The parallelism measured for this guide was 0.1 mm using the measurement method described above. Ten endless strips were made in the same manner as in Example 1 except using this guide. The ten strips are cut, and the rib elements 20 ( Figure 5) was measured using a three-dimensional measuring device, and the result was that all ten bands reached 0.2 mm, indicating that the result was 0.5 mm or less. However, due to the large step difference between the second film and the polyimide tape, the shear force acting between the polyimide tape and the second film when the tape rotates may tend to concentrate in the polyimide tape , which may increase the likelihood of cracking.
Embodiment 3
[0176] Using the second film 42 having a thickness of 16 μm and the first film 44 having a thickness of 16 μm, a guide was fabricated in the same manner as in Example 1. The parallelism measured for this guide was 0.2 mm using the measurement method described above. Ten endless strips were made in the same manner as in Example 1 except using this guide. In the process of gluing the polyimide tapes against the guides the operation is poor, ten endless tapes are cut and the rib elements 20 ( Figure 5 ) was measured using a three-dimensional measuring device, the straightness of three bands was 0.7 mm, the straightness of three bands was 0.3 mm, and the straightness of four bands was 0.4 mm, which means that the straightness of seven bands 0.5mm or less.
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