Ancient ‘otter bear’ may have popped clams off rocks like a bottle opener

Science ◽  
2016 ◽  
Author(s):  
Sid Perkins
Keyword(s):  
2015 ◽  
Vol 30 (5) ◽  
pp. 895 ◽  
Author(s):  
Young-Kyun Lee ◽  
Yong-Chan Ha ◽  
Kyung-Hoi Koo
Keyword(s):  

2013 ◽  
Vol 19 (4) ◽  
pp. 1145-1148
Author(s):  
Zhiqiang Yu ◽  
Shuying Qu ◽  
Huijin Chen ◽  
Shanshan Hao
Keyword(s):  

2014 ◽  
Vol 496-500 ◽  
pp. 823-826
Author(s):  
Zhen Wang

This article ameliorated the process of the bottle opener. It determined the molds kind and structure. And the major components of the molds key points in the design were introduced in detail. At last it can improve the productivity and low the cost.Then some corresponding process method for the same Stamping parts were proposed.


2021 ◽  
Vol 6 (2) ◽  
pp. 1065-1073
Author(s):  
Suchada Sitjongsataporn ◽  
Kornika Moolpho ◽  
Sethakarn Prongnuch
Keyword(s):  

Author(s):  
Tudor Catalin Apostolescu ◽  
Silviu Petrache ◽  
Georgeta Ionascu ◽  
Lucian Bogatu ◽  
Laurentiu Adrian Cartal
Keyword(s):  

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