Title:
CARRIAGE SEALING STRUCTURE FOR REFRIGERATOR CAR AND WORKING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/111879
Kind Code:
A1
Abstract:
A carriage sealing structure for refrigerator car is disclosed. The carriage is composed of core carriage plates provided with a heat preservation layer that is made of polyurethane. The carriage plates include a left side plate (5), a right side plate (6), a head plate (1), a soleplate (3), a front plate (4) and a backdoor plate (2). Notches are equipped at jointed sites of the left side plate, the right side plate, the head plate, the soleplate and the front plate, and an injection groove (7) is formed by the notches between mutually jointed carriage plates. High density polyurethane foam material is filled in the injection grooves in a high pressure manner so as to provide sealed connection between carriage plates. A working method for the carriage sealing structure is also disclosed. Assembled refrigerator car carriage is simple in structure and better in connection strength of the carriage plates. The structure can effectively reduce the cold air leakage or cold energy conduction of the carriage to improve the thermal insulation property of the carriage.
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Inventors:
WANG, Hong (Cross Qixin North Road, Shanqian Road Shiling Town, Huadu Distric, Guangzhou Guangdong 0, 510860, CN)
Application Number:
CN2009/076275
Publication Date:
October 07, 2010
Filing Date:
December 30, 2009
Export Citation:
Assignee:
GUANGZHOU BAIER COLD-CHAIN POLYURETHANE TECHNOLOGY CO., LTD (Cross Qixin North Road, Shanqian Road Shiling Town, Huadu Distric, Guangzhou Guangdong 0, 510860, CN)
广州拜尔冷链聚氨酯科技有限公司 (中国广东省广州市花都区狮岭镇山前大道旗新北路口, Guangdong 0, 510860, CN)
广州拜尔冷链聚氨酯科技有限公司 (中国广东省广州市花都区狮岭镇山前大道旗新北路口, Guangdong 0, 510860, CN)
International Classes:
B60P3/20; B32B5/18; B62D33/00; B65D90/08
Attorney, Agent or Firm:
HYLANDS LAW FIRM (5A5 5th Floor, Hanwei PlazaNo. 7 Guanghua Road, Chaoyang District, Beijing 4, 100004, CN)
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