Sheet metal container making – Apparatus to form container closure – Having means to apply seal or liner
Patent
1987-11-16
1989-06-27
Schmidt, Frederick R.
Sheet metal container making
Apparatus to form container closure
Having means to apply seal or liner
413 18, 413 19, 413 58, 118 50, 118410, B21D 5146
Patent
active
048424692
ABSTRACT:
A device for applying a viscous sealant (D) in annular form onto a substantially flat surface, specifically on to a can end (14) is provided with an approximately horizontal annular transfer surface (2a, 3a) provided at the free upper end of a material transfer head (1). A pass (4) opening towards the transfer surface (2a, 3a) is provided in the material transfer head (1) and is fed with sealant from a continuously operating pump device (P1). An open-top interior (8) surrounded by the transfer surface (2a, 3a) and provided in the material transfer head (1), which is connected to a backflow pipe (9) for excess sealant, is, in addition, permanently connected to a vacuum source (P2). Further, a transfer device (18) is provided by which the can end (14) is vertically movable in relation to the transfer surface (2a, 3a). (FIG. 1).
REFERENCES:
patent: 2766484 (1956-10-01), Sanderson
patent: 3981652 (1976-09-01), Lovell et al.
patent: 3999494 (1976-12-01), Miyamatsu et al.
patent: 4102304 (1978-07-01), Debenham
patent: 4340621 (1982-07-01), Matsomiga et al.
Schmidt Frederick R.
Showalter Robert
The Broken Hill Proprietary Company Limited
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