Flower stem bag wrap with outer plastic covering
a bag wrap and stem technology, applied in the field of bag wraps, can solve the problems of flower petals discoloration, flower death, and impede the flow of water up the stem,
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Publication Date
- 2006-03-23
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The application is a continuation-in-part of U.S. patent application Ser. No. 10 / 670,531 filed on Sep. 26, 2003.TECHNICAL FIELD OF THE INVENTION
[0002] The present invention relates generally to the use of a bag wrap for transporting cut flowers and plants. More particularly, this invention relates to a plastic bag having an internal cup shaped stem wrap formed of polyisocyanate foam material using diphenylmethane diisocyanates which holds flower stems and is secured with a strap which is secured around the bag. BACKGROUND OF THE INVENTION
[0003] I. Field of the Invention
[0004] The present invention relates generally to floriculture. In particular, the present invention relates to a device and method for holding the stems of cut flowers during shipment and hydrating the flowers.
[0005] II. Discussion of Background
[0006] The flower industry is a multi-billion dollar industry worldwide. In the U.S. alone, sales of cut roses exceed hundr...
Examples
Embodiment Construction
[0025] The preferred embodiment and best mode of the invention is shown in FIGS. 1 through 6.
[0026] The invention is directed toward a rectangular shaped foam member 10 formed of an aromatic polyisocyanate polymer diphenylmethane diisocyanate (MDI) flexible foam material using no filler material which hydrates cut flowers in shipment by directing water absorbed in the foam wrap to the stems.
[0027] The polyisocyanate used in the foam material is an aromatic polyisocyanate which includes aromatic diisocyanates having 6 to 16 carbon atoms (excluding those contained in NCO groups; this applies to the polyisocyanates mentioned below), aromatic triisocyanates having 6 to 20 carbon atoms and crude products of these isocyanates, etc. Examples of aromatic polyisocyanate include 1,3- and 1,4-phenylene diisocyanates, 2,4- and / or 2,6-tolylene diisocyanates (TDI), crude TDI and 2,4′- and / or 4,4′-diphenylmethane diisocyanate (MDI) as well as crude MDI.
[0028] The preferred material which is use...