| 摘要 |
<P>PROBLEM TO BE SOLVED: To join two cocoons together without adhesive. Ž<P>SOLUTION: The cocoon hollow structure uses a first cocoon 10 from which a pupa has been taken out through its one end made open, and a second cocoon 20 from which a pupa has been taken out through its one end made open. One end of the first cocoon 10 is inserted from the opening of the second cocoon 20. While the first and second cocoons 10 and 20 are kept combined, they are joined together in high temperature vapor. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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