Stock material or miscellaneous articles – Layer or component removable to expose adhesive
Patent
1995-06-12
1998-05-05
Ahmad, Nasser
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
53399, 53580, 156162, 156185, 156212, 156213, 156229, 428 4131, 428 415, 428 418, 428 422, 428 43, 428194, 428906, C09J 702
Patent
active
057471312
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention is directed to a process for bundling and/or fixing of articles by use of an extensible plastic tape and to an extensible plastic tape having self-adhesive properties which may be used with particular advantage in the process according to the invention.
BACKGROUND OF THE INVENTION
U.S. patent application Ser. No. 07/731,341 suggests a means for securing articles during transport, storage and other occasions, wherein an extensible plastic tape is used which is completely coated with a pressure sensitive adhesive on one side, and is stretched in longitudinal direction thereby reducing its adhesive force.
U.S. patent application Ser. No. 07/802,061 suggests a self-adhesive plastic tape which, while capable of being attached to articles, at the same time will not cause damage to the article when removed. This is accomplished by using a self-adhesive plastic tape which reduces its adhesive force due to stretching in longitudinal direction and thus, is readily removed from the respective article. Such plastic tape has a Young modulus of at least 2,500 psi but less than 72,500 psi. Furthermore, the sheet supporting the adhesive has high tensile strength, an elongation at break of at least 150% when measured in longitudinal direction, and low recovery.
SUMMARY OF THE INVENTION
The basic problem addressed by the present invention is to provide a process for improved fixing and/or bundling of articles and to create a means by use of which articles can be bundled and/or fixed.
The technical problem is solved by the process having the features of claim 1. The following subclaims relate to preferred embodiments of the process according to the invention.
According to the invention, the means for bundling and/or fixing of articles is an extensible plastic tape having the features of claim 18. The following subclaims relate to preferred embodiments of the adhesive tape according to the invention.
According to the process of the invention, bundling and/or fixing of articles in the simplest case is effected using an extensible plastic take having a Young modulus of approximately 170 bars but less than 7,000 bars and an extensibility in longitudinal direction of at least 150%, with low recovery.
According to the invention, in one embodiment at least one plastic tape is stretched, and the stretched tape is arranged around the articles to be bundled and/or fixated. Thereafter, the loose ends of the stretched tape are bound together. In another embodiment, the stretched plastic tape preferably is fixed at one end and arranged around the articles to be bundled and/or fixated, whereafter the loose end is fixed. The first fixing position of the stretched plastic tape may be located at either the articles to be bundled and/or fixated themselves, or at a support whereon the articles are situated, or at any other position suitable in some other way. Fixation of the loose end after bundling and/or fixing the articles then may be effected using the plastic tape itself, or at an article of the articles to be bundled and/or fixated, or their package material, support (pallet), or another suitable position. In yet another embodiment of the process according to the invention, the plastic tape may be fixed first, then stretched and arranged around the articles to be bundled and/or fixated, whereafter the loose end is fixed. Fixation of the plastic tape in this embodiment may be effected in the same way as described above for the others.
Preferably, stretching of the plastic tape is effected by applying force acting in longitudinal direction of the tape while arranging the plastic tape around the articles to be bundled and/or fixated.
In the process of the invention, binding the loose ends together is preferably effected by knotting, cementing, clamping, clipping, sealing or combinations of these measures.
In cases where fixation of at least one of the two loose ends of the stretched extensible plastic tape is effected first, the aforesaid is done particularly by knotting, cementing, clamping, cli
REFERENCES:
patent: 3015916 (1962-01-01), Denton
patent: 4522853 (1985-06-01), Szonn
patent: 4770913 (1988-09-01), Yamamoto
patent: 5314557 (1994-05-01), Schwartz
patent: 5496599 (1996-03-01), Schwartz
Ahmad Nasser
Huebsch William L.
Minnesota Mining and Manufacturing Company
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