Compostable Sealing Member
AssigneeSelig France
InventorsRafael Zamora, Timea Cilmi
Life of this patent
Estimating the term…
Abstract
Various forms of sealing members are described along with the laminates from which the sealing members are formed. In some forms, the sealing members may generally be formed from materials that may be compostable. In some forms, the sealing members are substantially free of plastic materials. In one form, the sealing members do not include any metal foil layers such as would traditionally be included in induction heated seals. Instead, the seals may be applied in other manners, such as using ultrasonic sealing, conduction heating, pressure sensitive adhesives, and the like.
Claims20
A compostable sealing member for sealing to a rim surrounding a container opening, the compostable sealing member comprising:
- a multi-layer laminate including an upper laminate portion bonded to a lower laminate portion,
- the lower laminate portion positioned below the upper laminate portion and including at least one film layer and a sealant layer for bonding to the container rim,
- the upper laminate portion including a support layer, and
- the compostable sealing member being substantially free of plastic materials.
A laminate for forming a compostable sealing member, the laminate comprising:
- an upper laminate portion including a support layer;
- and
- a lower laminate portion including at least one film layer and a sealant layer for bonding to the container rim,
- the upper laminate portion bonded to a lower laminate portion, the laminate being substantially free of plastic materials.
A method for sealing a container, the method comprising the steps of:
- providing a compostable sealing member, the compostable sealing member comprising a multi-layer laminate including an upper laminate portion bonded to a lower laminate portion, the lower laminate portion including at least one film layer and a sealant layer, the upper laminate portion including a support layer, and the compostable sealing member being substantially free of plastic materials;
- applying the compostable sealing member to a rim of the container;
- and
- providing heat to at least one of the compostable sealing member and the container to adhere the sealant layer to the container rim.
A compostable resealable member comprising:
- a compostable support member;
- a compostable adhesive;
- and
- a compostable film layer.
Dependencies are inferred from the claim text.