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Evaluation of Heat-Seal Quality of Liquid Packaging Bags Made of Plastic Films by Infrared Thermography

Eisaku UMEZAKI, Hideki YAMAGUCHI
Dept. of Mechanical Engineering, Nippon Institute of Technology
Gakuendai, Miyashiro, Saitama 345-8501, Japan
Tel: +81-480-33-7632, Fax: +81-480-33-7645, Email: umezaki@nit.ac.jp
Katsunori FUTASE, Hiroyuki AOKI and Yukihiko KAMATA
Taisei Lamick Co. Ltd
778-2 Shinozu, Shiraoka, Saitama 349-0293, Japan

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ABSTRACT:

1. INTRODUCTION

2. SPECIMENS

3. EXPERIMENTS

4. FINITE-ELEMENT ANALYSIS

5. COMPARISON BETWEEN EXPERIMENTAL AND ANALYTICAL RESULTS

6. CONCLUSIONS

REFERENCES

  1. Aoki, H., Shimamoto, A., Futase, K. and Kamata, Y., 2000, "Reinforcement Effect and Effective Length of Heat Seal in Liquid Packing Bag", J. Japanese Soc. NDI (in Japanese), 49-2:116-120.
  2. Futase, K., Shimamoto, A. and Takahashi, S., 1994a, "Impact Strength Test on a Heat Sealed Portion of Laminated Film for a Liquid-Filled Bag", Trans. Japan Soc. Mech. Eng., Ser. A (in Japanese), 60-580:2891-2896.
  3. Futase, K., Shimamoto, A. and Takahashi, S., 1994b, "Changes in Internal Pressure of Composite Film Packages by Their Drop Impact", Trans. Japan Soc. Mech. Eng., Ser. A (in Japanese), 60-580:215-220.
  4. Futase, K., Shimamoto, A., Takahashi, S. and Aoki, H., 1996, "Tensile Strength of Heat-Sealing Part of Laminated Film Used for Liquid Pckage Bags: Effect of Material and Thickness Variations of Sealant Layers", J. Japanese Soc. NDI (in Japanese), 45-12:874-879.
  5. Umezaki, E., Kubota, Y., Shimamoto, A. and Futase, K., 1997, "Elastoplastic Finite-Element Analysis of Heat-Sealed Area in Laminated Plastic Film Used for Liquid Packaging Bags under Different Temperatures", Proc. 11th Int. Conf. on Composite Materials (ICCM-11) (Gold Coast, Australia), 4:547-558.

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