Metal sheet member having high plastic bonding strength
AssigneeYuan Deng Metals Industrial Co., Ltd.
InventorChin-Hsing Horng
Life of this patent
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Abstract
A metal sheet member for insert molding with a plastic member is disclosed having a plurality of bonding portions arranged on the top wall thereof for enhancing the bonding strength of the plastic member to the metal sheet member, each bonding portion including a groove located on the top wall of the metal sheet member and a lug formed of a part of the metal sheet member and obliquely upwardly curved from one end of the groove.
Claims9
A metal sheet member for insert molding with a plastic member, having a plurality of bonding portions arranged on a top wall thereof for enhancing the bonding strength of the plastic member to the metal sheet member, each said bonding portion comprising a groove located on the top wall of said metal sheet member that does not pass through said metal sheet member, and a lug formed of a part of said metal sheet member and upwardly oriented from an end of said groove, each said bonding portion having two wings respectively extending from two opposite lateral sides of the lug to two opposite lateral sides of the associated groove.
A method of forming a metal sheet member with a plastic member, comprising:
- utilizing a cutting tool to form both a groove on a top surface of the metal sheet member that does not pass through the metal sheet member and a lug formed from a part of said metal sheet member and upwardly extending from an end of said groove, with two wings respectively extending from two opposite lateral sides of the lug to two opposite lateral sides of the groove;
- and
- performing a molding process to form a plastic member on the top surface, the lug disposed within the plastic member.
Dependencies are inferred from the claim text.