This is what I'd say for a textile product. I found a Canadian government site that leads me to believe that it would be the same for your context.

In FIG. 7, illustrated as 741, 742, 743 and 744 are campanulate-, column-, pipe- and gather-shaped agents, respectively. These agents from 741 to 744 can be attached to the material to be tested by hanging the agent from the material by a hanging portion 745 or by winding the agent around the material.
http://www.everypatent.com/comp/pat6159489.html

fronce nf (cout.) - gather
froncé adj - gathered
froncage nm - gathering
1 froncer v (un tissu) - to gather
1 forme nf - shape
mise en forme - shaping
Lexique textile de Pierre Hirsch

[54] PROCEDE DE PRODUCTION D’UNE PATE CARBONEE DESTINEE A ETRE MISE EN FORME EN SORTIE D’UN MALAXEUR
[54] PROCESS FOR THE PRODUCTION OF A CARBON-CONTAINING PASTE TO BE SHAPED AFTER EXITING A MIXER

[54] POT-SHAPED GRINDING WHEEL
[54] MEULE EN FORME DE POT

[54] OUTILLAGE DE MISE EN FORME POUR LA POLYMERISATION DE PIECES PROFILEES EN MATERIAU COMPOSITE
[54] FORMING EQUIPMENT FOR POLYMERISATION OF SHAPED PARTS IN COMPOSITE MATERIAL

[54] ABSORBENT ARTICLE HAVING A POCKET CUFF WITH A GLUTEAL GROOVE SPACER
[54] ARTICLE ABSORBANT COMPORTANT UNE POCHE FRONCEE POURVUE D’UN SEPARATEUR SE PLACANT CONTRE LE SILLON INTERFESSIER
http://dsp-psd.pwgsc.gc.ca/Collection/RG42-1-130-16.pdf

Foulard: Etole/Foulard MIAOU chat noir -30% Pelotonnez-vous Superbe écharpe fantaisie 100 % polyester. **Forme froncée originale.** Fermeture : à nouer et à croiser autour du cou, 8 façons de la porter. Dimension : 103 cm environ. Style : ...Disponibilité: en stock
http://www.webmarchand.ch/a/liste_produit/idx/6050300/mot/Ec...

FERAUD - FERAUD Archive
Les empiècements en lin qu'agrémentent des broderies ajourées confèrent aux ... imprimé pois, de coupe évasée ou de **forme froncée** Empire, misent sur la féminité. ...
www.feraud.com/contenu.php?id=25&langage=fr

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Note added at 4 days (2007-06-22 13:46:56 GMT) Post-grading
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You're welcome and thank you :-)