The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 01, 2026

Filed:

Jun. 15, 2023
Applicant:

The Procter & Gamble Company, Cincinnati, OH (US);

Inventors:

Bryler Collins, Maineville, OH (US);

Gene Michael Altonen, West Chester, OH (US);

Assignee:

The Procter & Gamble Company, Cincinnati, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/76 (2006.01); B29C 45/50 (2006.01); B29C 45/77 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B29C 45/7646 (2013.01); B29C 45/50 (2013.01); B29C 45/77 (2013.01); B29C 2945/76053 (2013.01); B29C 2945/76187 (2013.01); B29C 2945/7621 (2013.01); B29C 2945/76381 (2013.01); B29C 2945/76478 (2013.01); B29C 2945/76498 (2013.01); B29C 2945/76665 (2013.01); B29C 2945/76829 (2013.01); B29C 2945/76939 (2013.01); B29K 2105/0094 (2013.01); B29K 2995/0063 (2013.01); B29K 2995/0078 (2013.01);
Abstract

Systems and approaches for controlling a molding machine having a mold forming a mold cavity, a nozzle, and a screw that moves from a first position to a second position toward the nozzle and being controlled according to a mold cycle. Injecting a molten polymer into the mold cavity and obtaining a first measurement of a variable during the injection cycle using a first sensor positioned at or near the screw. A second sensor positioned at or near the nozzle is used to obtain a second measurement of the variable during the injection cycle. A measured compressibility ratio value is determined in the form of a difference between the measured variable obtained by the first sensor and the measured variable obtained by the second sensor. The measured compressibility ratio value is compared with a reference compressibility ratio value and at least one control parameter is adjusted based on a difference between the reference compressibility ratio value and the measured compressibility ratio value.


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