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.
Patent No.:
Date of Patent:
Sep. 07, 2021
Filed:
May. 15, 2018
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Katsumi Shinohara, Niigata, JP;
Tsutomu Nitanda, Niigata, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
An object of the present invention is to provide a method for producing resin pellets, in which occurrence of defective pellets is suppressed. The method for producing resin pellets of the present invention includes the following steps, and a strand-shaped resin has a diameter of 1.5 to 4.5 mm, is discharged at a take-off speed of 1.5 m/s to 10 m/s, a die has 10 or more die holes, and a strand interval X defined by Formula 2 satisfies the following Formula 1; step 1: discharging a molten thermoplastic resin through a die in the form of a strand; step 2: cooling the discharged strand-shaped resin using a refrigerant; and step 3: cutting the cooled strand-shaped resin to obtain resin pellets;1.73×≤2.81×  Formula 1