Claims
- 1. A method for forming a one-sided cling stretch wrap film which comprises
- (a) providing a stretch wrap film structure in which one exposed surface exhibits a significant cling property;
- (b) adhering a particulate antiblock to the other exposed surface while the surface is in a semi-plastic state;
- (c) applying a particle-embedding force against said other exposed surface having particulate antiblock adhered thereto; and
- (d) removing excess particulate antiblock which has not been adhered and embedded into said other exposed surface, thereby forming a one-sided cling stretch wrap film possessing a cling property on one surface, and a slide property on the other surface of the film.
- 2. The method of claim 1 wherein step (b) is carried out by directing a stream of particulate antiblock agent against said other exposed surface.
- 3. The method of claim 1 wherein step (b) is carried out by electrostatically adhering particulate antiblock agent to said other exposed surface.
Parent Case Info
This is a divisional of copending application Ser. No. 039,891 filed on Apr. 17, 1987 now U.S. Pat. No. 4,833,017.
US Referenced Citations (22)
Foreign Referenced Citations (2)
Number |
Date |
Country |
775371 |
May 1957 |
CAX |
19528 |
Jan 1980 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
39891 |
Apr 1987 |
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