Adhesive applying apparatus for hull

Details Adhesive applying apparatus for hull Adhesive applying apparatus for hull

2002-11-26

2003-12-09

Crispino, Richard (Department: 1734)

Coating apparatus

Projection or spray type

Moving projector

C427S207100, C427S421100, C156S060000, C156S391000, C156S579000

Reexamination Certificate

active

06660087

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to an adhesive applying apparatus for use in joining together a hull and a deck with an adhesive to thereby form a body of a boat.
BACKGROUND OF THE INVENTION
Known small-sized boats include engines and jet pumps mounted to sterns thereof. The jet pumps are driven by the engines to pump water thereinto. The water thus drawn into the jet pumps are caused to jet rearwardly to thereby thrust the boats. These boats include hulls and decks joined together.
FIG. 11
hereof illustrates one example of the above boats. A body
200
of a boat includes a deck
205
and a hull
201
. The body
200
is formed using an adhesive applying gun as described hereinbelow. The gun includes a nozzle for ejecting an adhesive
206
onto an upper edge
202
and a pair of ribs
203
,
203
of the hull
201
. With the adhesive
206
applied to the edge
202
and the ribs
203
,
203
, the deck
205
adheres to the hull
201
to form the body
200
.
To effect the application of the adhesive
206
to the edge
202
and the ribs
203
,
203
, the gun needs to move along the edge
202
and the ribs
203
,
203
, ejecting the adhesive
206
thereonto. This can be done in a variety of manners. A human operator may move the gun along the edge
202
and the ribs
203
,
203
, holding the same by hand, for example.
Because the gun is relatively heavy, however, it is difficult for the human operator to precisely move the gun along the ribs
203
,
203
and especially any curved portion of the edge
202
with the nozzle directed towards the same. This leads to increased burden imposed on the operator.
SUMMARY OF THE INVENTION
An object of the present invention is to provide an adhesive applying apparatus designed to apply an adhesive to an upper edge portion of a hull, moving therealong in such a manner as to provide a reduced burden imposed on the operator.
According to one aspect of the present invention, there is provided an adhesive applying apparatus for use in joining a hull and a deck together with an adhesive, the hull having a hull body and an upper edge portion formed integrally with the hull body, the adhesive applying apparatus comprising: an adhesive applying gun for ejecting the adhesive; and a guide device mounted to the adhesive applying gun for guiding the adhesive applying gun such that the adhesive applying gun moves along the upper edge portion to apply the adhesive to the upper edge portion.
Since the guide device guides the adhesive applying gun such that the gun moves along the upper edge portion of the hull, an operator can easily move the gun along the upper edge portion of the hull. Thus, the operator can readily perform an operation of applying the adhesive to the upper edge portion of the hull. This results in a reduced burden imposed on the operator.
Because the guide device guides the gun along the upper edge portion of the hull, the gun can be precisely moved along the upper edge portion of the hull. It thus becomes possible to accurately apply the adhesive to the upper edge portion of the hull.
In a preferred form of the present invention, the upper edge portion of the hull has a horizontal portion extending outwardly from an upper end of the hull body and a side flange extending downwardly from an outer end of the horizontal portion, and wherein the guide device comprises plural rollers disposed on opposite sides of the side flange to sandwich the side flange. In a further preferred form of the present invention, the plural rollers comprise a pair of outer rollers disposed outside the side flange and juxtaposed in parallel to the upper edge portion, and an inner roller disposed inside the side flange.
The rollers are disposed on the opposite sides of the side flange to sandwich the side flange. It becomes possible to ensure that the gun precisely moves along the upper edge portion of the hull.
In a further preferred form of the present invention, the guide device further comprises a height positioning member disposed to abut on a back surface of the horizontal portion to keep a distance between the upper edge portion and the adhesive applying gun to a constant.
The height positioning member is arranged to abut against the back surface of the horizontal portion to thereby maintain the gun a fixed distance above the horizontal portion.
The adhesive applying gun can be moved along the horizontal portion in addition to being spaced from the horizontal portion by the fixed distance, and hence the operator can perform the operation of applying the adhesive to any desired location of the horizontal portion with accuracy.


REFERENCES:
patent: 4074383 (1978-02-01), Kaplan et al.
patent: 4295439 (1981-10-01), Kruszona
patent: 4564410 (1986-01-01), Clitheros et al.
patent: 5714099 (1998-02-01), Merser

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