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Method of making sealed housings containing delicate structures

  • US 4,701,999 A
  • Filed: 12/17/1985
  • Issued: 10/27/1987
  • Est. Priority Date: 12/17/1985
  • Status: Expired due to Fees
First Claim
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1. The method of sealing a delicate structure, connected to a flexibly deformable connection sheet, within a housing having a side wall rim extending between top and bottom walls, said delicate structure being subject to damage by passage of or contact with flowing plastic material, said method comprising in combination(a) forming a bottom wall insert,(b) forming a top wall cap,(c) associating said connection sheet with a mold cavity while injecting a plastic material in flowable state, and causing said material to solidify, to form said rim which captures and bonds to said connection sheet,(d) locating said bottom wall insert in general proximity to the region to be occupied by the lower edges of the rim,(e) subsequent to said step (d), creating a seal between the edges of said bottom wall insert and said rim,(f) subsequent to said step (c), installing said delicate structure and making connections between it and the exposed upper surfaces of said sheet,(g) subsequent to said step (f), locating said top wall cap above the delicate structure and in proximity to the upper edges of said rim, and(h) subsequent to said step (g), creating a seal between the edges of said cap and said rim, said step (d) being performed prior to step (c) and said steps (c) and (e) being performed concurrently.

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