Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FOAM MOLDING DIE FOR PLASTIC STRUCTURAL MEMBER AND MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/040553
Kind Code:
A1
Abstract:
A foam molding die for a plastic structural member and a molding method. The foam molding die comprises a product cavity (3), a heating medium channel (5), a cooling channel (4), a temperature-sensing element, and a heating and cooling control device. The heating medium channel (5) and the cooling channel (4) are provided with electronic signal control valves. The heating and cooling control device is separately connected to the temperature-sensing element and the electronic signal control valves. The heating medium channel (4) and the cooling channel (5) can adjust the temperature of the product cavity (3). The molding die and method use quick-acting heating medium channel (5) and cooling channel (4) for control, so that a product surface is glossy without silver streak, and low stress, low density and high quality microcellular foaming is implemented. The manufactured product has high surface hardness, and internal foaming of a material is more uniform.

Inventors:
LI, Zhoucai (1A Factory Building 1, Lexin Industrial Zone Hezhou Industrial Zone North 6th Road, Xixiang Street, Bao'an District, Guangdong 0, 518000, CN)
Application Number:
CN2017/078416
Publication Date:
March 08, 2018
Filing Date:
March 28, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHENZHEN LEXIN MOLDING CO.,LTD (1A Factory Building 1, Lexin Industrial Zone Hezhou Industrial Zone North 6th Road, Xixiang Street, Bao'an Distric, Shenzhen Guangdong 0, 518000, CN)
International Classes:
B29C44/58; B29C44/34; B29C44/40; B29C44/60
Attorney, Agent or Firm:
SZ KINDWALF INTELLECTUAL PROPERTY FIRM (Room 402, 4/F Building A, Shennan Garden, Shennan West Roa, Shenzhen Guangdong 7, 518057, CN)
Download PDF: