Apparatus and associated method for inspecting containers for bu

Details Apparatus and associated method for inspecting containers for bu Apparatus and associated method for inspecting containers for bu

1997-12-04

1998-12-01

Font, Frank G.

Optics: measuring and testing

Inspection of flaws or impurities

Containers or enclosures

G01N 2100

Patent

active

058446770

ABSTRACT:
Apparatus for inspecting containers has a support arm for supporting and transporting the containers. The support arm has a pair of movable arms defining a gap and having a recess for engaging the exterior of the finish or neck of the containers. A light source directs lights onto the movable arms and a detector receives light passing through the gap between the movable arms. The detector emits a responsive electrical signal to a processor which determines whether the container has a bulge and whether it is a reject. The movable arms are so structured and positioned as to enlarge the gap when a bulge is present on the exterior of the finish or neck of the container. One or more support arms are preferably disposed within a container forming machine which forms blow molded resinous plastic containers. An associated method is disclosed.

REFERENCES:
patent: 3782542 (1974-01-01), Scribner
patent: 4349112 (1982-09-01), Wilks et al.
patent: 4731649 (1988-03-01), Chang et al.
patent: 5591462 (1997-01-01), Darling et al.

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