Tube holder and method

Details Tube holder and method Tube holder and method

1988-11-02

1990-08-28

Kastler, S.

Dispensing

Molten metal dispensing

222606, B22D 4134

Patent

active

049518518

ABSTRACT:
The configuration of a thickened tube holder which flares outwardly at its downstream portion leaving an undercut which is engaged by a rocker arm spring loaded assembly. The pour tube is provided with a collar at its upstream portion, and an undercut mount immediately beneath the collar. Means are provided to induce a vertical force component on the undercut mount in the form of a clamping member which secures the pour tube holder to a depending pour tube mount. In all of the embodiments, compression is induced in the pour tube holder and at the interface between the pour tube and the pour tube holder to inhibit aspiration. Quick disconnect is also provided, and quick makeup for changing pour tubes and pour tube holders. The method of the invention contemplates securing a pour tube holder in a compressive state and to a pour tube in a compressive relationship in which the forces induced to cause the compressive relationship do not act upon the flat plate portion of the tube holder, but rather within the body of the pour tube holder and upon the depending portion of the pour tube holder collector nozzle and the upstream collar portion of the pour tube.

REFERENCES:
patent: 2569333 (1951-09-01), Peterson
patent: 3212798 (1965-10-01), Lewis et al.
patent: 3459346 (1969-08-01), Tinnes
patent: 3841539 (1974-10-01), Shapland, Jr. et al.
patent: 3977709 (1976-08-01), Hatzis
patent: 4488743 (1984-12-01), Schulke
patent: 4568115 (1986-02-01), Zimmerly
patent: 4607851 (1986-08-01), Usher
patent: 4637641 (1987-01-01), Kennedy, Jr.
patent: 4854488 (1989-08-01), Trenkle et al.

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