An improved apparatus is disclosed in which a tensioned plastic strap loop is placed about an article. The invention includes a laterally adjustable forward guide. The guide is pivotally connected to the feed nip of the drive mechanism so as to provide a constant gap between the nip and guide. The rear...http://www.google.fr/patents/US4536248?utm_source=gb-gplus-shareBrevet US4536248 - Strapping apparatus