Polypropylene wrap end seals and process for making same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 21, 1986
Grant Date -
N/A
app pub date -
Dec 12, 1984
filing date -
Dec 12, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A voided polypropylene film tampon wrap having end seals which are formed by mechanical crimping and a process for sealing the ends of the voided polypropylene film tampon wrap by mechanical crimping. A notch is formed adjacent to each end seal but remote from the enclosed tampon. Each end seal is formed by a pair of horizontal teeth wheels each having a pitch of 50 teeth per inch. One of the pair of wheels is heated to a temperature of 125.degree..+-.15.degree., and force is applied to at least one wheel to seal that end of the wrap by the pair of wheels.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully