Hydraulic and earth engineering – Marine structure or fabrication thereof – Structure protection
Reexamination Certificate
1999-09-28
2001-10-30
Bagnell, David (Department: 3673)
Hydraulic and earth engineering
Marine structure or fabrication thereof
Structure protection
C405S212000, C405S084000, C114S219000, C014S076000, C267S140000
Reexamination Certificate
active
06309140
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to bumper or fender systems for protecting walls or fascias during collisions with moving objects. In particular, the present invention relates to an array of overlapping panels and a system for supporting such panels adjacent to the fascia.
BACKGROUND
Bumper or fender systems are commonly used to protect rails and walls, also known as fascias, in a variety of land and marine applications. In such applications, the fender systems protect the fascias during a collision and impact with moving objects. Such fender systems are commonly employed to protect fascias, such as approach walls, along marine locks from the accidental impact of tows and barges as the tows line up to enter the locks. Current construction typically utilizes an in situ massive, monolithic concrete construction to resist such impact. Unfortunately, although providing a continuous contact surface, such monolithic concrete construction is extremely expensive and difficult to construct and repair. Proposed newer construction utilizes factory-built, lightweight, pre-stressed concrete construction. Such prestressed concrete construction is unable to withstand all ranges of incidental barge contact.
To avoid the high cost associated with monolithic concrete structures, locks can utilize side-by-side contact panels mounted in front of the wall or fascia by pairs of opposing energy-absorbing elements. To provide a “continuous” contact surface, the contact panels are normally hinged together. Although such systems satisfactorily protect the approach wall or fascia, such fender systems have several associated drawbacks. First, because the panels are hinged together, the contact panels are more difficult to install, are more subject to damage, and are more difficult to repair and replace. Second, the pair of opposing energy-absorbing elements mounted between the fascia and the contact panels provide a very abrupt retardation effect during impact with moving barges. This abrupt retardation effect transmits a large percentage of the forces into the approach wall or fascia. Thus, such fender systems require a more substantial approach wall or fascia to absorb such large forces. As a result, the more substantial approach wall required by such fender systems increases the costs associated with such fender systems.
Thus, there is a continuing need for a marine fender system for protecting approach walls or fascias of a lock that is capable of withstanding all ranges of incidental barge contacts while being lightweight, inexpensive, easy to install, repair and replace, and less susceptible to damage.
SUMMARY OF THE INVENTION
The present invention provides a fender system for use with at least one fascia to protect the at least one fascia during collision with at least one moving object. The fender system includes a first panel, a first support element coupled to the first panel and adapted to be coupled to the at least one fascia, and a second support element. The first and second support elements extend oblique to the first panel and extend parallel to one another.
The present invention also provides a fender system for use with at least one fascia to protect the at least one fascia from impact with objects generally moving in a first direction. The system includes a first panel, a second panel, a first support element coupled to one of the first and second panels and adapted to be coupled to the at least one fascia and a second support element coupled to one of the first and second panels and adapted to be coupled to the at least one fascia. The first support element extends oblique to said one of the first and second panels. The second support element extends oblique to said one of the first and second support panels. The first and second support elements consecutively extend along at least one of the first and second panels and extend parallel to one another.
The present invention provides the lock and dam system for waterway which includes a dam extending across the waterway, a channel having a first entry-exit opening on a first side of the dam and a second entry-exit opening on the second side of the dam. The channel includes a lock. The system further includes a fascia proximate first entry-exit opening of the channel and a fender system to protect the fascia from impact with objects generally moving in a first direction. The system includes a first panel, a second panel, a first support element coupled to one of the first and second panels and coupled to the at least one fascia and a second support element coupled to one of the first and second panels and coupled to the at least one fascia. The first support element extends oblique to said one of the first and second support panels while the second support element extends oblique to said one of the first and second panel. The first and second support elements consecutively extend along at least one of the first and second panels and extend parallel to one another.
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Svedala Brochure, Trellex Fender Systems (30 pages) (Undated).
Svedala Brochure, Trellex Application Manual (30 pages) (Undated).
Grimsley Michael J.
Kiedaisch Edward
Kiedaisch Thaddeus J.
Bagnell David
Foley & Lardner
Lagman Frederick L.
Svedala Industries Inc.
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