Flexible Steel Lacing Company v. Conveyor Accessories, Inc.

CourtDistrict Court, N.D. Illinois
DecidedMay 2, 2019
Docket1:17-cv-05540
StatusUnknown

This text of Flexible Steel Lacing Company v. Conveyor Accessories, Inc. (Flexible Steel Lacing Company v. Conveyor Accessories, Inc.) is published on Counsel Stack Legal Research, covering District Court, N.D. Illinois primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Flexible Steel Lacing Company v. Conveyor Accessories, Inc., (N.D. Ill. 2019).

Opinion

UNITED STATES DISTRICT COURT NORTHERN DISTRICT OF ILLINOIS EASTERN DIVISION FLEXIBLE STEEL LACING CO., ) Plaintiff/Counter-Defendant, ) No. 17 C 5540 v. ) ) □ Chief Judge Rubén Castillo CONVEYOR ACCESSORIES, INC., ) Defendant/Counter-Plaintiff. MEMORANDUM OPINION AND ORDER Plaintiff/Counter-Defendant Flexible Steel Lacing Co. (“‘Flexco”) brought this action for trade dress infringement and unfair competition. (R. 1, Compl.) Flexco alleges that Defendant/Counter-Plaintiff Conveyor Accessories, Inc. (“CAI”) infringed its registered and common law trade dress by promoting and selling conveyor belt fasteners having a non- functional product configuration confusingly similar to that belonging to Flexco. (/d. J 2.) Before the Court is CAI’s motion for summary judgment of invalidity (R. 71, Def.’s Mot.), and Flexco’s motion for partial summary judgment on CAI’s declaratory judgment counterclaim and its affirmative defense of unclean hands (R. 80, PI.’s Mot.). For the reasons discussed below, CAI’s motion is granted, and Flexco’s motion is denied as moot. RELEVANT FACTS The following facts are undisputed unless otherwise stated. Flexco is an Illinois corporation with its principal place of business in Downers Grove, Illinois. (R. 83-1, Pl.’s Resp. Def.’s SOF { 1.) CAI is a Delaware corporation with its principal of business in Burr Ridge, Illinois. (Jd. §] 2.) Flexco sells rivet hinged fasteners for connecting the ends of conveyor belts together. (/d. 6-7.) The Flexco fasteners attach to each of the two ends of a conveyor belt by

inserting rivets through each aperture on the top of the upper surface of the fastener. Ud. { 8.) The choice of an appropriate hinged fastener in various operations involves considerations such as the tensile strength of the belts employed and the pulley diameters in the conveyor drive system. (id. | 9.) A fastener is designed to provide strong holding capacity for its particular application without being too thick so as to ensure that it avoids interfering with the pulleys, belt cleaners, and other conveyor belt components. (/d.) To avoid catching on other components, Flexco’s fasteners have traditionally been coined or beveled. (R. 83-1, Pl.’s Resp. Def.’s SOF { 36.) In 1997, Flexco modified its fastener from a straight beveled leading edge, to a scalloped leading edge. (/d. JJ 10, 35.) Flexco’s then-engineer manager Edward Musil was involved in the development of the scalloped leading edge fastener. Ud. F§ 34, 35.) At the time, he explained that the “main purpose of a scalloped edge will be to prevent fasteners from getting scraped off by the cleaner.”! (Jd. 4 35.) He also visited a testing site in 1998 and observed that the scalloped fastener had a “noticeably gentler impact with the various cleaners,” than the straight edge one, and that mine personnel believed it would result in longer lives of the conveyor belt splice and cleaner blades. (/d. § 38.) Flexco engineers also tested the configuration and determined it performed better or at least equal to its conventional straight leading edge fastener. (Jd. { 39.) Flexco’s president Rick White testified, however, that the reason for introducing the scalloped edge of other fasteners was to differentiate the Flexco

' The Court finds that the parties’ references to this document and several others discussed in this paragraph should not be sealed. Neither the parties’ filings nor their exhibits contain trade secrets (or information from which trade secrets could be copied or reverse engineered), privileged information, or other information required to be confidential. Baxter Int'l v. Abbott Labs., 297 F.3d 544, 545 (Although the parties’ confidentiality agreement might suffice at the discovery stage, “those documents, usually a small subset of all discovery, that influence or underpin the judicial decision are open to public inspection unless they meet the definition of trade secrets or other categories of bona fide long-term confidentiality.”).

product from competition. (R. 90-1, Def.’s Resp. Pl.’s Add’1 SOF 1.) Mr. Musil similarly testified that the scalloped shape was selected because “it looked good.” (R. 83-1, PI.’s Resp. Def.’s SOF § 35.) In 1997, Flexco filed a patent application with the U.S. Patent and Trademark Office (“USPTO”). (Id. at § 10.) The application issued in April 2000 as U.S. Patent Number 6,053,308 (“the ‘308 Patent”), and expired in September 2017. (/d.; R. 71-4, ‘308 Patent.) Figure 2 of the ‘308 Patent depicts a belt fastener before riveting the upper and lower plates to a belt:

28 2 2 a VE 4 S- “he 8) bejikx = @s SS tor” — 40 (<> Cate E> 4 GS as (E> pober Se ES SN A ‘4 Se Soret S4S< © Feor ~ 22S, 60 44 Nour 88 98 90 26 8 46

(R. 83-1, Pl.’s Resp. Def.’s SOF 7 11.) The ‘308 Patent’s specification states that the two- rivet fastener as shown in Figures 2 and 4 of the patent is a preferred embodiment.

? Although Flexco failed to attach the cited page of Mr. White’s deposition transcript, CAI does not dispute Flexco’s characterization of his testimony. (R. 90-1, Def.’s Resp. Pl.’s Add’1 SOF 4 1; R. 83-2, White Dep. Tr.)

(R. 105-1, Pl.’s Resp. Def.’s Add’] SOF { 3.) The summary of the invention declares that a “belt fastener using more than two rivets . . . will still fall within the purview of this invention.” (/d.) The specification describes the known functional benefits of beveling the leading edge of a fastener: For improved belt gripping and for a lower lead-in profile for the belt fasteners, it is known to bevel or coin the outboard edges 44 and 46 of hinged fasteners so that the edges of the plates provide a lower profile and grip into the belts when the plates are clamped hereto. The outboard edges 44 and 46 of the present two rivet fastener 14 are similarly beveled for biting into the belt carcass. (R. 83-1, Pl.’s Resp. SOF 12; R. 71-4, 308 Patent at col. 10, Ins 18-24.) Another feature of present belt fasteners that assist in providing good holding power and a low profile fastener attached onto the belt end is that the outer or outboard edge of the plates are generally beveled or coined so that when the plates of the fastener are claimed to the belt surfaces, the sharp edges of the plates will bite into the belt surface. (R. 83-1, Pl.’s Resp. SOF ¥ 12; R. 71-4, 308 Patent at col. 10, Ins 40-45.) The ‘308 Patent described and claimed in part scalloping the leading edge of the fastener: [OJne problem that has been observed where there are two rivets adjacent the fastener outboard edges such as in the two rivet fastener 14 herein, is that the sinking of the coined edges into the belt 18 for a lower profile of the fastener 14 can be compromised because there is too much plate material spaced from the plate rivet receiving apertures. In this regard, the lower plate 26 of the fastener 14 herein is provided with a scalloped or contoured outboard edge 46 so that it generally follows the contour around the rivet apertures 32 formed in the lower plate 26. Thus, the lower plate outboard edge 46 includes two outer sections 88 that are curved and meet at an inner oppositely curved section 90 so that the outboard edge 46 generally curves around the circular rivet openings 32, as best seen in FIGS 2 and 4. (R. 83-1, Pl.’s Resp. SOF 14; R. 71-4, 308 Patent at col. 10, Ins 24-39.) With such a scalloped edge 46, there is less plate material spaced from the rivet apertures 32 such as if the edge 46 extended straight across between the outer peaks of the outer curved sections 88. By scalloping the outboard edge 46, the bite thereof into the belt carcass 17 is improved when fasteners

are rivet to the belt end 18.

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Bluebook (online)
Flexible Steel Lacing Company v. Conveyor Accessories, Inc., Counsel Stack Legal Research, https://law.counselstack.com/opinion/flexible-steel-lacing-company-v-conveyor-accessories-inc-ilnd-2019.