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:
Apr. 04, 1989

Filed:

Jun. 19, 1987
Applicant:
Inventor:

Mitsuo Murano, Fujinomiya, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
2643288 ; 2642972 ; 425542 ; 425572 ; 425588 ;
Abstract

The front panel of an air conditioner unit or the like, including a louver-like intake grill comprising several transverse slats with outward-upward inclination is formed by injecting molten resin into cavities formed between a stationary mold and a movable mold along a parting line thereof, the molten resin being thus injected through pin-point gates formed on the stationary mold side and tab gates constituting parts of respective cavities and provided on the stationary mold side at part corresponding to the upper edge faces of the slats, the pin-point gates being connected to the upstream parts of the tab gates. By this method and apparatus a high feed rate of the resin is obtainable, and the molding time is shortened without impairment of the aesthetic appearance of the front panel due to unsightly cut marks left by the trimming of the residual sprue resin remaining in the pin-point gates.


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