Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Reexamination Certificate
1999-01-06
2001-04-03
Sakran, Victor N. (Department: 3626)
Buckles, buttons, clasps, etc.
Strap-end-attaching devices
Buckle connected
C024S300000, C024S598500, C101S415100
Reexamination Certificate
active
06209174
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to devices used to secure a printing plate to a high speed roller machine.
BACKGROUND OF THE INVENTION
High speed roller machines are used to imprint a desired pattern on a variety of commercial articles. Typically, a printing plate having a desired pattern to be imprinted upon the article is attached to a drum of the high speed roller machine. Conventional high speed roller machines have used a multiple-piece strap to secure the printing plate to the drum. Such conventional multiple-piece straps consist of a rigid latch member connected to a rigid body member by a preformed elastomeric interconnect member. The rigid latch member and the rigid body member are each secured to the elastomeric member by an adhesive material. Such conventional multiple-piece straps have several drawbacks. By way of example only, exposure of such conventional multiple-piece straps to high rotational speeds over a short period of time causes the adhesive to degrade which results in the rigid latch members and/or the rigid body member becoming disengaged from the elastomeric interconnect member and ultimately the failure of the strap to secure the printing plates to the drum of the high speed roller machine.
The principal object of the present invention is to develop a strap for securing printing plates to a high speed roller machine which is significantly stronger and more durable then conventional straps thereby increasing the life of the strap and a process for manufacturing the same.
Another object of the present invention is to develop a strap for securing printing plates to a high speed roller machine which is less expensive to produce then conventional straps and a process for manufacturing the same.
SUMMARY OF THE INVENTION
The present invention is a one-piece molded strap used to secure a printing plate to a drum of a high speed roller machine. The one-piece molded strap comprises a rigid latch portion, a rigid elongated body portion and an elastomeric portion. The rigid latch portion is integrally formed with and chemically bonded to one end of the elastomeric portion. The rigid elongated body portion is integrally formed with and chemically bonded to the other end of the elastomeric portion. The one-piece molded strap is formed by an injection molding process whereby the material composition of the rigid latch portion and the rigid elongated body portion are compatible with the material composition of the elastomeric portion.
REFERENCES:
patent: 2059825 (1936-11-01), Talbott
patent: 2500561 (1950-03-01), Norton
patent: 2861311 (1958-11-01), Kurland
patent: 2931085 (1960-04-01), Benlian
patent: 3934509 (1976-01-01), Saunders et al.
patent: 4559677 (1985-12-01), Tracy
patent: 5088408 (1992-02-01), Philpot
patent: 5168605 (1992-12-01), Bartlett
patent: 5638584 (1997-06-01), De Anfrasio
patent: 5797167 (1998-08-01), Schwab
patent: 5970585 (1999-10-01), Scholey
Fox, Esq. Steven N.
Sakran Victor N.
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