Title:
MOLD, IN-MOLD COATING METHOD AND FORMED ARTICLE WITH COATING
Document Type and Number:
WIPO Patent Application WO/2006/070813
Kind Code:
A1
Abstract:
An in-mold coating method, which comprises a reaction injection molding step wherein a molding material is reacted in a cavity (28) formed inside a mold (20) by clamping a cavity mold (26) and a core mold (24) of the mold (20) to prepare a molded product, a gas splaying step, being carried out after the above reaction injection molding step, wherein a gas is sprayed into the cavity (28) through a gas introduction hole (264) provided in the above cavity mold (26), and a coating film forming step, being carried out after the above gas splaying step, wherein a coating agent is injected into a first gap (G) formed between the above molded article and the inner surface (262) of the above cavity mold (26) and then cured, to form a coating film on the above molded article. The above in-mold coating method is free from the cause of a coating defect on the surface of a molded article.
Inventors:
TAKEUCHI MASAKI (JP)
Application Number:
PCT/JP2005/023922
Publication Date:
July 06, 2006
Filing Date:
December 27, 2005
Export Citation:
Assignee:
RIMTEC CORP (JP)
TAKEUCHI MASAKI (JP)
TAKEUCHI MASAKI (JP)
International Classes:
B29C45/34; B29C45/00; B29C45/16; B29K45/00; B29L9/00
Foreign References:
| JPH02258319A | 1990-10-19 | |||
| JP2004174812A | 2004-06-24 | |||
| JPH04329112A | 1992-11-17 | |||
| JP2002172657A | 2002-06-18 | |||
| JP2004195693A | 2004-07-15 | |||
| JP2001138334A | 2001-05-22 |
Attorney, Agent or Firm:
Maeda, Hitoshi (2F Tokyodo Jinboucho 3rd Bldg., 1-17,
Kandajinboucho 1-chom, Chiyoda-ku Tokyo 51, JP)
Download PDF: