CA2247695A1 - Method and apparatus for combining a tensioned elastic garter with a substrate - Google Patents
Method and apparatus for combining a tensioned elastic garter with a substrateInfo
- Publication number
- CA2247695A1 CA2247695A1 CA2247695A CA2247695A CA2247695A1 CA 2247695 A1 CA2247695 A1 CA 2247695A1 CA 2247695 A CA2247695 A CA 2247695A CA 2247695 A CA2247695 A CA 2247695A CA 2247695 A1 CA2247695 A1 CA 2247695A1
- Authority
- CA
- Canada
- Prior art keywords
- garter
- substrate
- mandrel
- top surface
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000013013 elastic material Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Making Paper Articles (AREA)
Abstract
A method and apparatus for forming a tensioned garter and bondingit to a substrate while holding the garter in a predetermined shape. A garter is any continuous loop of elastic material or a laminate of elastic bands and one or more flexible backing sheets. In one embodiment mandrels having a perimeter of the desired garter shape are mounted to a rotating drum. Tensioned elastic ribbons are progressively wrapped, sealed, and cut around the mandrels to form individual tensioned garters which cling to the side walls of the mandrels. In another embodiment each mandrel has a top surface. The upper portion of a garter has sufficient elastic tension to cause it to fold over the mandrel top surface to form a garter flange thereon. A substrate is then engaged with the garter flange and an external sealing means seals the flange to the substrate, using the mandrel top surface as an anvil. In still another embodiment the mandrel top surface has a raised outer rim. An ultrasonic horn seals a garter flange to a substrate where they are supported by the mandrel rim.
The mandrel rim is shaped to provide a continuous seal which is weakened at its inner edge. When the weakened edge is broken, substrate and garter materials inside the seal edge are removed, thereby forming a hole around which the remaining portion of the garter may contract.
Vacuum is applied from the mandrel top surface to the substrate inside the garter in this embodiment in order to break the seal edge and remove this material as the substrate and garter are stripped off the mandrel.
The mandrel rim is shaped to provide a continuous seal which is weakened at its inner edge. When the weakened edge is broken, substrate and garter materials inside the seal edge are removed, thereby forming a hole around which the remaining portion of the garter may contract.
Vacuum is applied from the mandrel top surface to the substrate inside the garter in this embodiment in order to break the seal edge and remove this material as the substrate and garter are stripped off the mandrel.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/132,730 | 1993-10-06 | ||
US08/132,730 US5393360A (en) | 1993-10-06 | 1993-10-06 | Method and apparatus for combining a tensioned elastic garter with a substrate |
CA002173432A CA2173432C (en) | 1993-10-06 | 1994-10-06 | Method and apparatus for combining a tensioned elastic garter with a substrate |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002173432A Division CA2173432C (en) | 1993-10-06 | 1994-10-06 | Method and apparatus for combining a tensioned elastic garter with a substrate |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2247695A1 true CA2247695A1 (en) | 1995-04-13 |
CA2247695C CA2247695C (en) | 2000-12-19 |
Family
ID=25678409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002247695A Expired - Fee Related CA2247695C (en) | 1993-10-06 | 1994-10-06 | Method and apparatus for combining a tensioned elastic garter with a substrate |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2247695C (en) |
-
1994
- 1994-10-06 CA CA002247695A patent/CA2247695C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2247695C (en) | 2000-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |