Method of making two-part knob
First Claim
1. A method of making a knob comprising the steps of:
- (a) molding a polymeric material to provide a polymeric body, which has a boss having an end face and having an external wall extending between the end face and a recessed floor, (b) stamping and drawing a metal sheet or a metal strip to provide a metal cup, which is adapted to fit over the boss, with a circular plate adapted to cover the end face of the boss when the metal cup fits over the boss, and a skirt adapted to encompass the external wall of the boss when the metal cup fits over the boss, the skirt being unitary with the circular plate, and (c) fitting the metal cup over the boss so that the plate covers the end face of the boss, and so that the skirt encompasses the external wall of the boss and defines the outer face of said knob between said circular plate and said floor, and securing the metal cup to the polymeric body.
1 Assignment
0 Petitions
Accused Products
Abstract
An appliance knob has a polymeric body, which is molded, and a metal cup, which is made by stamping and drawing a metal sheet or a metal strip. The polymeric body has a central boss, which has an end face, a cylindrical wall, and an annular recess encompassing the central boss and having an annular floor. The cylindrical wall adjoins the annular floor. The metal cup, which is adapted to fit over the central boss, has a circular plate covering the end face top of the central boss and a cylindrical skirt encompassing the cylindrical wall of the central boss. The cylindrical skirt is unitary with the circular plate. The metal cup is secured to the polymeric body via two unitary tabs, which project through associated slots in the annular floor and coact with the polymeric body, as well as adhesively.
86 Citations
10 Claims
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1. A method of making a knob comprising the steps of:
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(a) molding a polymeric material to provide a polymeric body, which has a boss having an end face and having an external wall extending between the end face and a recessed floor, (b) stamping and drawing a metal sheet or a metal strip to provide a metal cup, which is adapted to fit over the boss, with a circular plate adapted to cover the end face of the boss when the metal cup fits over the boss, and a skirt adapted to encompass the external wall of the boss when the metal cup fits over the boss, the skirt being unitary with the circular plate, and (c) fitting the metal cup over the boss so that the plate covers the end face of the boss, and so that the skirt encompasses the external wall of the boss and defines the outer face of said knob between said circular plate and said floor, and securing the metal cup to the polymeric body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification