Nicotine powder delivery system with airflow management means

Patent metadata

Field	Value
Publication number	US-10070666-B2
Application number	US-201515319981-A
Country	US
Kind code	B2
Filing date	Jun 19, 2015
Priority date	Jun 20, 2014
Publication date	Sep 11, 2018
Grant date	Sep 11, 2018

Abstract

An aerosol-generating article is provided, including a nicotine powder receptacle containing a dose of nicotine powder; a corrugated inner wrapper wrapped around the nicotine powder receptacle; an outer wrapper wrapped around the corrugated inner wrapper; at least one airflow inlet upstream of the nicotine powder receptacle; and at least one airflow outlet downstream of the nicotine powder receptacle, wherein corrugations in the corrugated inner wrapper define a plurality of airflow channels in fluid communication with the at least one airflow inlet and the at least one airflow outlet.

First claim

The invention claimed is:

1. An aerosol-generating article, comprising:
a nicotine powder receptacle containing a dose of nicotine powder;
a corrugated inner wrapper wrapped around the nicotine powder receptacle;
an outer wrapper wrapped around the corrugated inner wrapper;
at least one airflow inlet upstream of the nicotine powder receptacle; and
at least one airflow outlet downstream of the nicotine powder receptacle,
wherein corrugations in the corrugated inner wrapper define a plurality of airflow channels in fluid communication with the at least one airflow inlet and the at least one airflow outlet.

2. The aerosol-generating article according to claim 1 , wherein the corrugated inner wrapper comprises a corrugated paper.

3. The aerosol-generating article according to claim 2 , wherein the corrugated paper has a basis weight of at least 70 grams per square meter.

4. The aerosol-generating article according to claim 2 , wherein the corrugated paper has a caliper of at least 100 micrometers.

5. The aerosol-generating article according to claim 1 , wherein the nicotine powder receptacle comprises a breakable capsule.

6. The aerosol-generating article according to claim 5 , wherein the breakable capsule comprises at least one of gelatine, hydroxy propyl methyl cellulose, polyethylene, polypropylene, polyurethane, fluorinated ethylene propylene, and combinations thereof.

7. The aerosol-generating article according to claim 5 , wherein the breakable capsule is breakable with a crushing force of less than 5 Newtons when measured in accordance with ASTM D6175.

8. The aerosol-generating article according to claim 1 , wherein the nicotine powder comprises a nicotine salt.

9. The aerosol-generating article according to claim 1 , wherein the nicotine powder comprises at least one of nicotine tartrate, nicotine aspartate, nicotine lactate, nicotine glutamate, nicotine bitartrate, nicotine salicylate, nicotine fumarate, nicotine mono-pyruvate, nicotine hydrochloride, and combinations thereof.

10. The aerosol-generating article according to claim 1 , further comprising a flavour delivery element.

11. The aerosol-generating article according to claim 10 , wherein the flavour delivery element is upstream of the nicotine powder receptacle.

12. The aerosol-generating article according to claim 10 , wherein the flavour delivery element is a breakable capsule.

13. The aerosol-generating article according to claim 10 , wherein the flavour delivery element comprises a liquid flavourant or a powdered flavourant.

14. The aerosol-generating article according to claim 10 , wherein the flavour delivery element is a thread impregnated with menthol.

15. A nicotine powder delivery system, comprising:
an aerosol-generating article, comprising:
a nicotine powder receptacle containing a dose of nicotine powder,
a corrugated inner wrapper wrapped around the nicotine powder receptacle,
an outer wrapper wrapped around the corrugated inner wrapper,
at least one airflow inlet upstream of the nicotine powder receptacle, and
at least one airflow outlet downstream of the nicotine powder receptacle,
wherein corrugations in the corrugated inner wrapper define a plurality of airflow channels in fluid communication with the at least one airflow inlet and the at least one airflow outlet; and

a nicotine powder inhalation device, comprising:
an outer housing configured to receive the aerosol-generating article, and
at least one piercing member configured to pierce the nicotine powder receptacle.

Assignees

• Philip Morris Products Sa

Inventors

• Buehler Frederic
• Emmett Robert

Classifications

• A24B15/16

  of tobacco substitutes · CPC title

• A61M15/0036

  hollow piercing means · CPC title

• A61M15/0035

  Piercing means · CPC title

• A61M15/0041

  with movable piercing or cutting means · CPC title

• A61M15/003

  using capsules, e.g. to be perforated or broken-up · CPC title