Package making – Partial cover application – Band or tube
Reexamination Certificate
2002-02-19
2004-02-10
Rada, Rinaldi I. (Department: 3721)
Package making
Partial cover application
Band or tube
C053S582000, C100S029000, C100S032000, C156S579000
Reexamination Certificate
active
06688085
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a packaging machine, particularly to one made integral of plastic by means of injection molding and having its padding sleeves wrapped inside a machine body and shaped together, possible to be mass-produced, lessening producing cost and lightening its whole weight.
A conventional packaging machine, as shown in
FIG. 1
, includes a machine body made of metallic material with a casting or a forging mode. The machine body
1
is provided with a bottom base
2
having two protruding-up side plates
3
fixed in parallel at one side. The side plates
3
are bored with a plurality of through holes
7
preset in number to conform to the locations where a cutting device
4
, a clamping device
5
and a band pressing device
6
are assembled.
The through holes
7
are drilled after the machine body is cast or forged. As the machine body
1
is cast or forged of metallic material at first and then a plurality of through holes have to be additionally drilled, the result is a comparatively heavy weight and complicated processes of the whole machine body
1
.
SUMMARY OF THE INVENTION
The objective of the invention is to offer a packaging machine made integral of plastic by means of injection molding and having its padding sleeves synchronously wrapped inside the machine body and shaped together, possible to be mass-produced, needless to additionally drill holes for other components, economizing producing cost and lightening its whole weight.
REFERENCES:
patent: 3944460 (1976-03-01), Karr
patent: 4717063 (1988-01-01), Ebihara
patent: 4795073 (1989-01-01), Yamamoto et al.
patent: 4878608 (1989-11-01), Mitsuhashi
patent: 5116453 (1992-05-01), Niedrig
patent: 5690268 (1997-11-01), Evans et al.
patent: 6085498 (2000-07-01), Hua
patent: 6412257 (2002-07-01), Liu et al.
Rada Rinaldi I.
Troxell Law Office PLLC
Truong Thanh
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