US2021362211A1PendingUtilityA1

Stamping portions having metal flow receiving features

Assignee: HEWLETT PACKARD DEVELOPMENT COPriority: Jul 2, 2018Filed: Jul 2, 2018Published: Nov 25, 2021
Est. expiryJul 2, 2038(~11.9 yrs left)· nominal 20-yr term from priority
B21D 22/02B21D 37/01B21D 53/00B21D 22/04
47
PatentIndex Score
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Claims

Abstract

An example system includes a first stamping portion having a first surface to form a corresponding stamped surface on a metal component to be stamped, and a second stamping portion having a second surface, the second surface to oppose the first surface of the first stamping portion during stamping of the metal component. The second surface includes a metal flow receiving feature, the metal flow receiving feature including a non-flat surface to attenuate an amount of metal flowing therein during stamping of the metal component between the first stamping portion and the second stamping portion.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A system, comprising:
 a first stamping portion having a first surface to form a corresponding stamped surface on a metal component to be stamped; and   a second stamping portion having a second surface, the second surface to oppose the first surface of the first stamping portion during stamping of the metal component,   wherein the second surface includes a metal flow receiving feature, the metal flow receiving feature including a non-flat surface to attenuate an amount of metal flowing therein during stamping of the metal component between the first stamping portion and the second stamping portion.   
     
     
         2 . The system of  claim 1 , wherein the first stamping portion and the second stamping portion have a hardness greater than a hardness of the metal component. 
     
     
         3 . The system of  claim 1 , wherein the metal flow receiving feature includes at least one of a curved surface, a wave formation or a sawtooth formation. 
     
     
         4 . The system of  claim 3 , wherein the first surface of the first stamping portion includes a substantially flat portion. 
     
     
         5 . A system, comprising:
 a first stamping portion having a first surface, the flat surface having a substantially flat portion;   a second stamping portion having a second surface; and   a metal component positioned between the first surface of the first stamping portion and the second surface of the second stamping portion, the metal component having a stamped surface facing the first surface of the first stamping portion, the metal component having a non-stamped surface opposite the stamped surface and facing the second surface of the second stamping portion,   wherein the second surface of the second stamping portion includes a metal flow receiving feature, the metal flow receiving feature including a non-flat surface.   
     
     
         6 . The system of  claim 5 , wherein the first stamping portion and the second stamping portion have a hardness greater than a hardness of the metal component. 
     
     
         7 . The system of  claim 5 , wherein the metal flow receiving feature includes at least one of a curved surface, a wave formation or a sawtooth formation. 
     
     
         8 . The system of  claim 5 , wherein the first surface of the first stamping portion includes a substantially flat portion. 
     
     
         9 . The system of  claim 5 , wherein the metal component is a surface of an electronic device. 
     
     
         10 . The system of  claim 9 , wherein the stamped surface includes a finger recess for the surface of the electronic device. 
     
     
         11 . A method, comprising:
 positioning a metal component between a first stamping portion and a second stamping portion, the metal component having a stamped surface to be stamped and a non-stamped surface opposite the stamped surface, the first stamping portion having a first surface facing the stamped surface of the metal component, the second stamping portion having a second surface facing the non-stamped surface of the metal component, the second surface of the second stamping portion including a metal flow receiving feature;   stamping the metal component between the first stamping portion and the second stamping portion, the stamping including flowing material from the metal component into the metal flow feature.   
     
     
         12 . The method of  claim 11 , wherein the first stamping portion and the second stamping portion have a hardness greater than a hardness of the metal component. 
     
     
         13 . The method of  claim 11 , wherein the first surface of the first stamping portion includes a substantially flat portion. 
     
     
         14 . The method of  claim 11 , wherein the first surface of the first stamping portion includes a substantially flat portion. 
     
     
         15 . The method of  claim 11 , wherein the stamped surface of the metal component includes a finger tab for a surface of an electronic device.

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